JP2000052050A - Compound element of different kind materials and manufacture thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a compound element of different kind materials which can be easily manufactured so as to reduce cost. SOLUTION: A pair of engaging groove form plates 12, 13 are welded at left and right on the surface 11a of a base material 11, and are connected at the welding parts 14. An intermediate connecting element 15, a cross section of which is reverse T shape, is inserted in an engaging concave part K having engaging grooves 12c, 13c to be formed inside of the two engaging groove form plates 12c, 13c. A titanium plate 16 is mounted on an upper face of the intermediate connecting element 15 body 15a and welded by a welder so as to combine the intermediate connecting element 15 and the titanium plate 16 at a welding part 17. The titanium plate 16 and the intermediate connecting element 15 are combined in a manner to make a relative movement in P arrow direction against the base material 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a composite of different materials and a method for producing the same.

[0002]

2. Description of the Related Art Titanium is used as a lining material for forming chemical plants and various liquid storage tanks because of its excellent corrosion resistance and heat resistance. However, since titanium is expensive and difficult to process, it is not desirable to form the entire storage tank or structural member from titanium. For this reason, only necessary parts are made of titanium material,
Other parts are generally made of inexpensive metal, for example, steel.

[0003] As a conventional method for producing a titanium composite, first, a titanium plate and another metal plate are stacked and the explosive energy of the explosive is used to join the two together, and a second method is a pressure welding method.
There is a pressure rolling method in which a brazing material is interposed between a titanium plate and another metal and hot rolling is performed.

However, the first explosive pressure welding method uses an explosive and has safety problems, and requires a special device, so that it cannot be easily installed in any place.

[0005] On the other hand, in the second pressure rolling method, it is necessary to completely bond all the contact portions between the titanium plate and the other metal plate. There are some problems in production, such as controlling the sheet pressure accurately and performing surface finishing after hot rolling.

In order to solve the above-mentioned problem, Japanese Patent Laid-Open Publication No.
No. 178244 has been proposed. This composite is constituted by interposing a plurality of metal members having one end firmly connected to the other metal plate and the other end welded to the titanium plate at appropriate locations between the titanium plate and the other metal plate. Have been. That is, female screw holes are formed in several places with respect to other metal plates,
A titanium bolt is screwed into the female screw hole. And
A titanium plate is brought into contact with the upper surface of the plurality of bolts, and the titanium plate and the bolt are fixed by welding.

[0007]

However, in the above-mentioned conventional composite, screw holes are formed at many places with respect to other metal plates, and titanium bolts are screwed into the respective screw holes, and then the bolts are formed. Since the structure is such that the titanium plate is fixed by welding, there is a problem that manufacturing is very troublesome.

In addition, since mechanical processing is performed on the other metal plate, there has been a problem that the mechanical strength of the other metal plate is apt to decrease. Furthermore, since the other metal plate and the titanium plate are fixed to each other, when building a product by bending the composite, the titanium plate located inside is compressed, and stress concentration acts on the welded portion of the bolt. Then, the titanium plate is compressed in a direction orthogonal to the plate thickness. For this reason, there is a problem that the titanium plate is more likely to wrinkle, and the adhered state of the welded portion is reduced due to an increase in internal stress.

A first object of the present invention is to provide a composite of dissimilar materials and a method for producing the same, which can solve the problems of the above-mentioned conventional technology and can be easily produced.

A second object of the present invention is to provide, in addition to the first object, a composite of different materials which can prevent a decrease in mechanical strength of a base material and a method for producing the same. .

A second object of the present invention is to provide, in addition to the first or second object, a composite of a dissimilar material capable of suppressing wrinkling of a lining metal plate and stress concentration on a welded portion during bending, and a composite thereof. It is to provide a manufacturing method.

[0012]

In order to achieve the above object, according to the first aspect of the present invention, an engaging recess having an engaging groove is provided in a base material, and the engaging groove is formed in the engaging recess. And a lining metal plate made of a material different from that of the base material and made of the same material as the intermediate connector is engaged with the intermediate connector. .

According to the second aspect of the present invention, in the first aspect, the intermediate connector is movably engaged in the width direction of the engagement groove or the longitudinal direction of the engagement groove within the engagement recess. According to a third aspect of the present invention, in the first or second aspect, the engagement recess is formed by a pair of engagement recess forming bodies welded to the surface of the base material.

According to a fourth aspect of the present invention, in the third aspect, the engaging recess forming body is formed by a pair of engaging groove forming plates welded to the surface of the base material in parallel with each other, and the intermediate connecting body is formed. Is constituted by a main body and a pair of engaging projections formed on both sides thereof and engaged with the pair of engaging grooves, and a lining metal plate is welded to a surface of the main body.

According to a fifth aspect of the present invention, in the fourth aspect, the intermediate connector includes a main body made of a band-shaped flat plate,
The left and right sides are formed of a pair of engaging projections formed by curving downward, and a spacer made of a metal material similar to the intermediate connector is welded to the lower surface of the main body of the intermediate connector. The spacer is in contact with the surface of the base material, and the spacer is also interposed between the back surface of the lining metal plate located outside the both engagement groove forming plates and the surface of the base material.

According to a sixth aspect of the present invention, in the fourth aspect, the engagement groove forming plate includes a main body made of a band-shaped flat plate, and a left and right side portion which are curved upward to form a surface of the base material. The intermediate connecting member is formed of a band-shaped flat plate member, and the left and right sides of the main body are curved downward in a horizontal U-shape, respectively. A spacer is interposed between the back surface of the main body of the intermediate connector and the main body surface of the engagement groove forming plate, and is located outside the engagement groove forming plate. A spacer is also interposed between the back surface of the lining metal plate and the surface of the base material.

According to a seventh aspect of the present invention, in the third aspect, the engaging recess forming body is formed by an engaging groove forming plate having one engaging groove welded to the surface of the base material. The intermediate connector is integrally formed by bending an edge of the lining metal plate into a horizontal U shape so as to engage with the engagement groove, and the lining is located outside the engagement groove forming plate. A spacer is interposed between the back surface of the metal plate and the surface of the base material.

According to an eighth aspect of the present invention, in the fourth aspect, the engagement groove forming plate is a pair of lower layer engagement groove forming plates welded to the surface of the base material at a predetermined interval. It is formed by a pair of upper-layer engaging groove forming plates welded to the upper surface of the lower-layer engaging groove forming plate at a smaller interval than the above-mentioned interval.

According to a ninth aspect of the present invention, in the fourth aspect, the engaging groove forming plate is welded to the surface of the base material at a predetermined interval, and has a slope formed with an engaging groove on an opposing surface. Have.

[0020] According to a tenth aspect of the present invention, in the first or second aspect, the engaging concave portion is formed by recessing the surface of the base material. In the invention according to claim 11, a through hole is provided in the base material, an intermediate connector is inserted into the through hole, and the front and back surfaces of the base material and the intermediate connector are made of a different material from the base material.
Also, the lining metal plate made of the same material as the intermediate connector is brought into contact, and both lining metal plates are welded to the intermediate connector.

In the twelfth aspect of the present invention,
In any one of 11, the base material is formed of an iron-based metal, and the intermediate connector and the lining metal plate are formed of titanium.

According to a thirteenth aspect of the present invention, the base material is provided with an engagement recess having an engagement groove, and the material for forming the intermediate connector having the engagement protrusion in the engagement recess is accommodated. Is pressurized in a heated state and the material is plastically deformed in the engagement recess to form an intermediate connector, and the main body is made of a different material from the base material and a material similar to the connector with respect to the main body surface of the intermediate connector. The lining metal plate is brought into contact with the connection body to weld the lining metal plate.

According to the fourteenth aspect of the present invention,
In the above, the plastic deformation of the material in the engaging recess and the welding of the lining material to the surface of the material are performed in synchronization with each other.

According to the fifteenth aspect, in the thirteenth aspect,
In the above, the material is plastically deformed in the engagement recess after being welded to the lining metal plate in advance. According to a sixteenth aspect of the present invention, in any one of the thirteenth to fifteenth aspects, the material has a substantially rectangular cross section, and a groove for promoting plastic deformation is formed on a tip surface thereof.

According to the seventeenth aspect of the present invention, there is provided the thirteenth aspect.
In any one of (1) to (16), the material is previously formed integrally with the lining metal plate.

[0026]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a composite of different materials according to the present invention will be described below with reference to FIGS.

The base material 11 formed by cutting a flat plate material into a square shape is formed of, for example, SS400 iron according to JIS standards. A pair of left and right engagement groove forming plates 12 and 13 are placed on the upper surface 11 a of the base material 11, and the flat main bodies 12 a and 13 a of the two engagement groove forming plates 12 and 13 are attached to the base material 1.
1 is fixed to the surface 11a by TIG welding or the like. Engaging groove forming plate portion 1 of both engaging groove forming plates 12 and 13
A pair of left and right engagement grooves 12c, 13c is formed between the base material 2b and the front surface 11a of the base material 11 by 13b. The engagement groove forming plate portions 12b, 13 of the both engagement groove forming plates 12, 13
b, a predetermined space is provided, and the space and the pair of left and right engagement grooves 12c and 13c define an inverse flat T
A letter-shaped engagement recess K is formed.

The engagement recess K houses an intermediate connector 15 made of titanium and having a flat inverted T-shaped cross section. On both sides of the lower half portion of the main body 15a of the intermediate connector 15, an engagement projection 15 inserted into the engagement grooves 12c and 13c is provided.
b and 15c are integrally formed. The intermediate connector 1
5 and the engagement groove forming plate portion 12
predetermined gaps G1 and G1
Is provided, and a predetermined gap G is provided between the distal end surfaces of the engaging projections 15b, 15c and the inner top surfaces of the engaging grooves 12c, 13c.
2, G2 is formed. In addition, the two engaging projections 15
The vertical thickness of each of the engagement grooves 12c and 13c
Are formed slightly smaller than the width in the vertical direction, and the intermediate connector 15 can reciprocate in the horizontal direction within the range of the gaps G1 and G2 as shown by the arrow P in FIG.
The intermediate connector 15 is movable in the longitudinal direction of the engaging grooves 12c and 13c, that is, in the direction perpendicular to the plane of FIG. 1A.

The gaps G1 and G2 are equal, and are set, for example, in the range of 3 mm to 20 mm. The upper surfaces of the pair of engagement groove forming plates 12b and 13b and the intermediate connector 15
The upper surface of the main body 15a is set at substantially the same height position, and a back surface (lower surface) 16a of a titanium plate 16 formed in a square plate shape as shown in FIG. In this state, the main body 15a of the intermediate connector 15 and the titanium plate 16 are welded by the seam welding machine, and the titanium plate 16 and the intermediate connector 15 are fixed to each other by the welding portion 17.

FIG. 2 is a perspective view showing a composite body 21 in which a base material 11 made of an iron-based material and a titanium plate 16 are connected to each other. In FIG. 2, the composite body 21 is arranged such that the titanium plate 16 moves in the width direction of the engaging grooves 12c, 13c with respect to the base material 11, that is, in the direction of the arrow P and in the longitudinal direction of the engaging groove, in the direction of the arrow Q. It is configured.

When a cylindrical water storage tank 22 is manufactured from the composite 21 manufactured in this manner, for example, FIG.
As shown in (2), the composite 21 may be curved in a cylindrical shape so that the titanium plate 16 is on the inside, and both ends of the composite 21 may be joined and welded.

In the curved state of the composite 21, the intermediate connector 15 fixed to the outer peripheral surface of the titanium plate 16 by the welded portion 17 can move in the circumferential direction (the direction of the arrow P) in the engagement recess K. Therefore, a plurality (3 in FIG. 3)
Stress concentration does not occur at the welded portion 17 at the point (1). In addition, wrinkles of the titanium plate 16 in the cylindrical state are suppressed, so that local stress is not concentrated on the welded portion 14 or 17, and the joined state can be stably maintained.

Although not shown, the complex 2 shown in FIG.
When bending 1 into a cylindrical shape, it is also possible to curve so that the intermediate connector 15 becomes annular. Also in this case, the base material 11 and the intermediate connector 15 move relative to each other, so that stress is not concentrated on the welded portion 17 and wrinkles generated on the titanium plate 16 can be suppressed.

Next, the effects of the composite 21 configured as described above will be listed together with the configuration. (1) In the above-described embodiment, a pair of left and right engagement groove forming plates 12 and 13 is fixed to the upper surface 11a of the base material 11 by the welding portion 14, and the engaging recess formed between the both forming plates 12 and 13 is formed. The intermediate connector 15 is accommodated in the movable groove K so as to be relatively movable in the width direction and the longitudinal direction of the engagement groove. Further, a titanium plate 16 was joined to the upper surface of the main body 15 a of the intermediate connector 15 by a welded portion 17. Therefore, when forming the cylindrical water storage tank 22 by bending the composite body 21 so that the titanium plate 16 is on the inside,
The inner titanium plate 16 can be prevented from moving relative to the surface 11a of the base material 11 together with the intermediate connector 15 to generate wrinkles on the titanium plate 16, and local stress concentration on the welds 14, 17 can be prevented. Therefore, the production of the water storage tank 22 can be stably performed.

(2) In the above embodiment, since both the engagement groove forming plates 12 and 13 are formed of plate materials, the manufacturing can be easily performed. (3) In the above-described embodiment, since both the engagement groove forming plates 12 and 13 and the intermediate connector 15 are formed symmetrically in the left-right direction, manufacturing can be easily performed.

Next, another embodiment of the present invention will be described sequentially with reference to FIGS. (Alternative Example 1) An alternative example 1 shown in FIG. 5 is a configuration in which the intermediate connector 15 has a flat main body 15a, and engaging projections 15b and 15c which are integrally formed on both sides of the main body 15a so as to be bent obliquely downward. It consists of. The spacer 18 is welded to the back surface of the main body 15 a by the welded portion 17, and the back surface of the spacer 18 is slidably in contact with the surface of the base material 11. On both left and right sides of the engagement groove forming plates 12 and 13, spacers 19,
19 are interposed. Reference numerals 20-1 and 20-2
Is a welded portion of the abutting surface of the titanium plate 16.

In this embodiment, the base material 11 and the titanium plate 1
Since the spacer 19 is interposed between the titanium plate 6 and the water tank 6, no gap is formed between them, and therefore, even if the spacer 19 is applied to the water storage tank 22 which receives a large water pressure, the titanium plate 16 is prevented from being deformed. Further, since the intermediate connector 15 is formed of a plate material, it can be easily manufactured. Other functions and effects of the other example 1 are the same as the effects (1) to (3) of the embodiment.

(Alternative Example 2) In an alternative example 2 shown in FIG. 6, the engaging groove forming plate 123 is a main body 123 made of a band-shaped flat plate.
a, and engagement groove forming portions 12b, 13b which form engagement grooves 12c, 13c between the left and right sides of the base material 11 and the front surface 11a of the base material 11 by curving upward. The intermediate connector 15 includes a main body 15a made of a band-shaped flat plate, and a pair of opposing engaging projections 15b and 15c formed by bending right and left sides of the main body 15a downward into a horizontal U shape. . A spacer 1 is provided between the back surface of the main body 15a of the intermediate connector 15 and the front surface of the main body 123a of the engagement groove forming plate 123.
8 are interposed. The back surface of the lining metal plate 16 located outside the engagement groove forming plate 123 and the base material 11
Spacers 19, 19 are also interposed between the surface 19a and the surface 11a. The other configuration is the same as that of the first alternative example shown in FIG.

Therefore, in the second embodiment, the titanium plate 16 is relatively moved with respect to the base material 11, and substantially the same effect as in the first embodiment is obtained. (Another Example 3) In another example 3 shown in FIG. 7, an engagement groove forming plate 12 in which one engagement groove 12 c is formed on the surface of a base material 11 is fixed by a welded portion 14. The intermediate connector 15 is formed integrally by bending the edge of the titanium plate 16 into a horizontal U-shape so as to engage with the engagement groove 12c. Spacers 19, 19 are interposed between the back surface of the titanium plate 16 located outside the engagement groove forming plate 12 and the front surface of the base material 11. Other configurations are the same as those of the above-described another example shown in FIG.

Therefore, also in the third embodiment, the titanium plate 16 is relatively moved with respect to the base material 11, and the same effect as in the first embodiment is obtained. (Example 4) In Example 4 shown in FIGS. 8 and 9, the dovetail-shaped engaging grooves 11b and 11c parallel to each other are mechanically cut at a plurality of positions on the surface 11a of the base material 11. An intermediate connector 15 made of long titanium having a trapezoidal cross section is inserted into the engagement recess K formed by the two engagement grooves 11b. At this time, the dovetail-shaped engaging projections 15b, 15c formed on the left and right sides of the main body 15a of the intermediate connector 15 loosely engage with the engaging grooves 11b, 11c. In this state, the titanium plate 16 is placed on the base material 11 and the upper surface of the intermediate connector 15, and the intermediate connector 15 and the titanium plate 16 are welded by the weld 17 using a seam welding machine.

Instead of the above manufacturing method, the intermediate connector 15
May be welded to the titanium plate 16 in advance, and then the intermediate connector 15 may be inserted into the engagement recess K. Since the titanium plate 16 in FIG. 9 is movable in the direction of the arrow P or the direction of the arrow Q in FIG. Is formed, wrinkles to be generated on the titanium plate 16 can be suppressed, and local stress concentration on the welded portion 17 can be reduced.

In this alternative example 4, even when the composite 21 is curved so that the intermediate connector 15 is formed in an annular shape, the engaging projections 15b of the intermediate connector 15 are formed along the engagement grooves 11b. , 15c move in the longitudinal direction, so that wrinkling of the titanium plate 16 is suppressed, and stress concentration on the welded portion 17 is also reduced.

(Alternative Example 5) An alternative example 5 shown in FIG.
A pair of left and right engaging grooves 11b and 11c are formed in the first groove 1, and the engaging grooves and the surface 11a are communicated with each other through a through hole 11d.
Engagement projections 15b, 15c constituting the intermediate connector 15 are accommodated in the engagement grooves 11b, 11c so as to be able to reciprocate in the left-right direction. An intermediate connector 15 is provided in the through hole 11d.
Is mounted and welded by the welded portion 17. The main body 15a and the titanium plate 16 are also welded portions 17
Is welded.

Therefore, also in this alternative example 5, since the intermediate connector 15 is reciprocated in the direction of the arrow P (left and right) in the engaging recess K together with the titanium plate 16, when the composite 21 is curved, wrinkles are formed. It can prevent you from approaching,
Local stress concentration in the welded portion 17 can be prevented.

(Another Example 6) Another example 6 shown in FIG.
A pair of left and right engagement groove forming plates 23 and 24 come into contact with the surface of the base material 1 and are fixed to the base material 11 by the welded portion 14. The facing slopes 23a and 24a of the two engagement groove forming plates 23 and 24 and the base material 1
Engaging grooves 23b and 24b are formed between the first and second surfaces 11a and 11a. Then, the intermediate connector 15 is inserted into the engagement recess K formed by the pair of left and right engagement grooves 23a and 24a only in the longitudinal direction of the engagement grooves 23a and 24a (the direction indicated by the arrow Q perpendicular to the plane of FIG. 11). It is slidably inserted. The titanium plate 16 is welded to the intermediate connector 15 by a weld 17.

Therefore, in the composite 21, when the water storage tank 22 is formed by bending the composite 21 into a cylindrical shape such that the intermediate connector 15 has an annular shape, the base material 11 and the titanium plate 16 move relative to each other. Therefore, generation of wrinkles in the titanium plate 16 can be suppressed, and stress concentration on the welded portion 17 can be reduced.

(Alternative Example 7) An alternative example 7 shown in FIG. 12 and FIG.
Is different from the above-described embodiment in that the intermediate connector 15 is fixed to the engagement grooves 11b and 11c formed in the base material 11 by pressure bonding, and the titanium plate 16 is fixed to the intermediate connector 15 by the welded portion 17. .

A method of manufacturing the composite 21 of the seventh embodiment will be described. As shown in FIG.
The engagement grooves 11b and 11c are formed by cutting into a, and the engagement recess K is formed linearly so as to be continuous.

Next, FIG.
As shown in the figure, the intermediate connector 15 has a vertically-long rectangular cross section.
Is accommodated. Furthermore, this material 1
The intermediate connector 15 is formed by heating and pressurizing 51 so as to be plastically deformed in the engagement concave portion K as shown in FIG.

Next, a titanium plate 16 is attached to the intermediate connector 15.
Are brought into contact with each other and welded by the welding portion 17. This complex 21
Details of the manufacturing method will be described with reference to FIG.

FIG. 13A shows the material 151 as a vertical section. In FIG. 13A, the material 151 is heated by the heated air injected from the heating burner 25.
Thereafter, the upper surface of the material 151 is pressed by a predetermined pressing force by one of the pair of rollers 26 and 27, and the material 151 is plastically deformed by the other roller 27 and is compressed downward. As shown in b), the material 151 is plastically deformed into a trapezoidal shape in the engagement recess K, and becomes the intermediate connector 15.

Next, the titanium plate 16 is placed on the upper surface of the plastically deformed intermediate connector 15 and the spot welding electrode 28
As a result, the titanium plate 16 is spot-welded, and the intermediate connector 15 and the titanium plate 16 are temporarily fixed by the welded portion 30.

Next, the intermediate connector 15 and the titanium plate 16 are welded by the seam welding electrode 29, and the titanium plate 16 and the intermediate connector 15 are connected by the weld 17. In this alternative example 7, the intermediate connector 15 is press-fitted into the base material 11 by press fitting, and the titanium plate 16 is fixed to the intermediate connector 15 by the welded portion 17. For this reason, relative movement between the base material 11 and the titanium plate 16 is prevented, and wrinkles generated in the titanium plate 16 when the composite 21 is bent into a cylindrical shape cannot be suppressed. It is good to apply to a square water tank.

(Another Example 8) Another example 8 shown in FIG.
In another example 7 shown in FIG. 13, an inverted V-shaped notch groove 151 a is formed on the lower surface of the material 151 of the intermediate connector 15. When the material 151 is press-fitted while being plastically deformed in the engagement concave portion K, the material 151 is inserted into the left and right engagement grooves 11b,
11c to facilitate filling.

(Another Example 9) In another example 9 shown in FIG. 15, the upper surface of the material 151 is welded to the lower surface of the titanium plate 16 by seam welding and fixed by a welded portion 17, and the material 151 is fixed to the engaging recess K. The material 151 is rolled by a rolling roller (not shown) and plastically deforms the material 151 into the engaging concave portion K.

(Another Example 10) In another example 10 shown in FIG. 16, a wedge member 31 is interposed between one engagement protrusion 15b of the intermediate connector 15 and one engagement groove 11b of the base material 11. I have. Then, the intermediate connector 15 is fixed so as not to move in the engagement recess K.

The composite 21 of this alternative example is also preferably used for a water storage tank that can be used as a flat plate. (Alternative Example 11) The composite 21 of Alternative Example 11 shown in FIGS. 17A to 17D is manufactured as follows.

As shown in FIG. 17 (a), a pair of left and right lower engagement groove forming plates 32, 33 are brought into contact with the surface of the base material 11 and welded by the welding portion 14, and the two plates 32, 33 The engaging projections 15b and 15c of the intermediate connector 15 are accommodated between them.

Next, as shown in FIG. 17 (b), upper engaging groove forming plates 34, 35 are further placed on the upper surfaces of the lower engaging groove forming plates 32, 33, and connected by the welding portion 14. I do. At this time, the main body 15a of the intermediate connector 15 is made to protrude from the upper surfaces of the forming plates 34 and 35, and a slight gap G3 is formed on both left and right sides.

Further, as shown in FIG. 17 (c), the titanium plate 16 is placed on the upper surfaces of the engagement groove forming plates 34 and 35. At this time, a swelling portion 16b is formed in a portion of the titanium plate 16 corresponding to the intermediate connector 15, and the swelling portion 16b is rolled by a rolling roller, and then welded by a seam welding electrode 29 as shown in FIG. Then, the intermediate connector 15 and the titanium plate 16 are connected by a weld 17.

Also in this alternative example 11, since the base material 11 and the titanium plate 16 do not move relative to each other, it is preferable to use the composite 21 as a flat plate. (Alternative Example 12) An alternative example 12 shown in FIG. 18 is such that the engagement groove forming plates 23 and 24 come into contact with the surface of the base material 11 and are connected by the welded portion 14, and the opposite slopes of the both forming plates 23 and 24. 23
a, 24a are formed with engagement grooves 23b, 24b, and a material 151 is accommodated in an engagement recess K formed by both engagement grooves, and a bulging portion 16 of a titanium plate 16 is provided on the upper surface of the material 151.
Put b. In this state, the material 151 is plastically deformed into the engagement concave portion K while being heated and pressed, and a titanium plate 16 is formed on the surface of the intermediate connector 15 (not shown).
Are welded by a seam welding machine to join the intermediate connector 15 and the titanium plate 16.

Also in this alternative example 12, since the base material 11 and the titanium plate 16 do not move relative to each other, it is preferable to use the composite 21 as a flat plate. (Alternative Example 13) An alternative example 13 shown in FIGS. 19 (a) and (b) is a method in which flange portions 151b, 151b integrally formed on the right and left sides of a material 151 on the rear surface side of a titanium plate 16 are welded in advance.
The material 151 is inserted into the engaging recess K formed in the base material 11 and heated and rolled, and the material 151 is plastically deformed in the engaging recess K to form the intermediate connector 15.

Also in this alternative example 13, since the base material 11 and the titanium plate 16 do not move relative to each other, it is preferable to use the composite 21 as a flat plate. (Alternative Example 14) In an alternative example 14 shown in FIG. 20, a material 151 is integrally formed on the back surface side of the titanium plate 16, and the material 151 is inserted into the engaging concave portion K of the base material 11 and heated and rolled to form the material 151. The intermediate connector 15 is plastically deformed in the joint recess K to form the intermediate material 1.
1 and the titanium plate 16 are joined.

In this alternative example 14, the intermediate connector 15
Therefore, it is not necessary to weld the titanium plate 16 and the titanium plate 16, so that the production can be easily performed. Since the base material 11 and the titanium plate 16 do not move relative to each other, it is preferable to use the composite 21 as a flat plate.

(Alternative Example 15) In an alternative example 15 shown in FIG. 21, a through hole 11e is formed in the base material 11, the intermediate connector 15 is inserted into the through hole 11e, and titanium plates are provided on both front and back surfaces of the base material 11. 16 and 16 are brought into contact with each other,
5 is welded to the titanium plates 16
Thereby, both titanium plates 16 and 16 are connected to base material 11.

In this alternative example 15, the titanium plate 16 can be connected to both the front and back surfaces of the base material 11 with a simple structure. (Application Example) FIG. 22 shows an application example of the composite 21 configured as described above.

Reference numeral 41 denotes a water storage tank, which is a rectangular frame 4.
2 is a combination of H-shaped steels 43 to 43,
The water tank main body 44 is constructed in 2. This body 44
Are welded by combining the composites 21 to 21 in a square frame shape.

FIG. 23 shows the mounting structure of the titanium plate 16 to the H-shaped steel 43. FIG. 23A is a partial detailed view of FIG. 22 in which the base material 11 is welded to the edge of the H-shaped steel 43.

FIG. 23 (b) shows a state in which the intermediate connector 15 is directly accommodated in the H-section steel 43, and the intermediate connector 15 and the titanium plate 16 are accommodated.
Are connected by a weld 17. FIG. 23 (c) shows that the intermediate connector 15 is accommodated in each of the left and right sides of the H-shaped steel 43, and the titanium plate 16 is connected by the welded portion 17.

FIG. 24 shows a modified example of the composite 21. The composite 21 has titanium plates 16 on both sides of the base material 11.
16 are brought into contact with each other and integrally fixed by the intermediate connectors 15 to 15 and the welded portion 17. Reference numeral 45 denotes a panel made of a titanium plate, which covers the left and right side edges or the entire peripheral edge of the base material 11.

[0071]

As described above, according to the present invention, the lining metal plate can be easily connected to the base material.

According to the second aspect of the present invention, wrinkling of the lining metal plate can be suppressed when the lining metal plate is curved, and stress concentration at a weld between the intermediate connector and the lining metal plate can be reduced. it can.

According to the third aspect of the present invention, since the engaging concave portion is formed in the base material without notching the concave portion, it is possible to prevent a decrease in mechanical strength of the base material.

[Brief description of the drawings]

FIG. 1A is a cross-sectional view of a main part before welding a titanium plate, showing a method of manufacturing a composite material embodying the present invention, and FIG. 1B is a cross-sectional view of a main part after welding the titanium plate.

FIG. 2 is a partially broken perspective view of the composite.

FIG. 3 is a cross-sectional view showing a state where the composite is curved in a cylindrical shape.

FIG. 4 is a schematic perspective view of a water storage tank.

FIG. 5 is a partial sectional view showing another embodiment 1 of the present invention.

FIG. 6 is a partial sectional view showing another example 2 of the present invention.

FIG. 7 is a partial sectional view showing another embodiment 3 of the present invention.

FIG. 8 is a partial sectional view showing another example 4 of the present invention.

FIG. 9 is a partially cutaway perspective view of a composite of another example 4 of FIG.

FIG. 10 is a partial sectional view showing another embodiment 5 of the present invention.

FIG. 11 is a partial sectional view showing another embodiment 6 of the present invention.

12 (a) to 12 (c) are partial cross-sectional views illustrating steps for manufacturing a composite according to another embodiment 7 of the present invention.

13A and 13B are cross-sectional views showing details of a method for manufacturing the composite shown in FIG.

FIG. 14 is a partial cross-sectional view showing a further example 8 of the present invention during a manufacturing step.

FIG. 15 is a partial cross-sectional view showing a state in the middle of a manufacturing step according to another embodiment 9 of the present invention.

FIG. 16 is a partial cross-sectional view showing another example 10 of the invention.

17 (a) to (d) are partial cross-sectional views illustrating a manufacturing process of a composite according to another embodiment 11 of the present invention.

FIG. 18 is a partial cross-sectional view illustrating a twelfth embodiment of the present invention during a manufacturing step.

FIGS. 19 (a) and (b) are partial cross-sectional views showing steps of manufacturing a composite according to another embodiment 13 of the present invention.

FIG. 20 is a partial sectional view of a composite according to another embodiment 14 of the present invention.

FIG. 21 is a partial cross-sectional view of a composite of another example 15 of the invention.

FIG. 22 is a plan view of a water storage tank showing an application example of the composite.

FIGS. 23A to 23C are cross-sectional views showing a joint structure between an H-shaped steel and a titanium plate.

FIG. 24 is a cross-sectional view illustrating another example of the composite.

[Explanation of symbols]

11: base material, 11b: left engaging groove, 11c: right engaging groove, 11d: through hole, 12: engaging groove forming plate, 12a ...
Main body, 12b: engagement groove forming plate portion, 12c: engagement groove, 13
... engagement groove forming plate, 13a ... body, 13b ... engagement groove forming plate portion, 13c ... engagement groove, 14 ... welded part, 15 ... intermediate connector, 151 ... material, 15a ... body, 15b ... engagement convex Department,
15c: engaging projection, 151a: notched groove, 16: titanium plate as lining metal plate, 17: welded portion, 18: spacer, 19: spacer, 20: welded portion, 21: composite,
22: water storage tank, 23: engagement groove forming plate, 23a: slope, 2
3b: engagement groove, 24: engagement groove forming plate, 24a: slope, 2
4b: engagement groove, K: engagement recess.

Claims (17)

[Claims] An engaging recess having an engaging groove is provided in a base material,
An intermediate connector having an engagement protrusion engaged with the engagement groove is engaged with the engagement recess, and a material different from the base material and a material similar to the intermediate connector is used for the intermediate connector. A composite of dissimilar materials that combines lining metal plates. 2. The composite material according to claim 1, wherein the intermediate connector is movably engaged in a width direction of the engagement groove or a longitudinal direction of the engagement groove in the engagement recess. 3. A composite of different materials according to claim 1, wherein said engaging recess is formed by a pair of engaging recess forming bodies welded to a surface of a base material. 4. The engaging recess forming body according to claim 3, wherein the engaging recess forming body is formed by a pair of engaging groove forming plates welded to the surface of the base material in parallel with each other, and the intermediate connecting body is formed on both sides of the main body. And a pair of engaging projections engaged with the pair of engaging grooves, wherein a lining metal plate is welded to a surface of the main body. 5. The intermediate connection body according to claim 4, wherein the intermediate connection body is formed of a main body made of a band-shaped flat plate, and a pair of engagement projections formed by bending right and left sides of the main body downward. A spacer made of a metal material similar to the intermediate connector is welded to the lower surface of the body of the body, and the spacer is brought into contact with the surface of the base material, and the lining metal positioned outside the both engagement groove forming plates. A composite of different materials in which a spacer is also interposed between the back surface of the plate and the surface of the base material. 6. The engagement groove forming plate according to claim 4, wherein the engagement groove forming plate forms an engagement groove between a main body made of a band-shaped flat plate material and upper and lower left and right sides thereof bent upward. The intermediate connecting body is made of a band-shaped flat plate, and the left and right sides thereof are respectively laterally downwardly formed.
A pair of opposing engaging projections formed in a curved shape, and a spacer is interposed between the back surface of the main body of the intermediate connector and the main body surface of the engaging groove forming plate. A composite of dissimilar materials in which a spacer is also interposed between the back surface of the lining metal plate located outside the mating groove forming plate and the surface of the base material. 7. The engaging recess forming body according to claim 3, wherein the engaging recess forming body is formed by an engaging groove forming plate having one engaging groove welded to a surface of a base material. An edge of the lining metal plate is formed integrally by bending an edge of the lining metal plate into a horizontal U-shape so as to engage with the mating groove, and a back surface of the lining metal plate located outside the engagement groove forming plate and a base material A composite of dissimilar materials in which a spacer is interposed between the surface and the surface. 8. The engaging groove forming plate according to claim 4, wherein said engaging groove forming plate is a pair of lower engaging groove forming plates welded to the surface of the base material at a predetermined interval. A composite of different materials formed by a pair of upper-layer engagement groove forming plates welded to the upper surface of the pair at an interval smaller than the interval. 9. The dissimilar material according to claim 4, wherein the engagement groove forming plate is welded to the surface of the base material at a predetermined interval and has a slope forming an engagement groove on an opposing surface. Complex. 10. The composite material according to claim 1, wherein the engaging recess is formed in a surface of a base material. 11. A base material is provided with a through-hole, an intermediate connector is inserted into the through-hole, and both surfaces of the base material and the intermediate connector are made of a different material from the base material, and A composite of dissimilar materials in which lining metal plates made of the same material are brought into contact and both lining metal plates are welded to an intermediate connector. 12. The method according to claim 1, wherein
The composite of different materials, wherein the base material is formed of an iron-based metal, and the intermediate connector and the lining metal plate are formed of titanium. 13. A base material is provided with an engagement recess having an engagement groove, a material for forming an intermediate connector having an engagement protrusion in the engagement recess is accommodated, and the material is pressurized in a heated state. In the engagement recess, the material is plastically deformed into an intermediate connector, and a lining metal plate made of a different material from the base material and a material similar to the connector is brought into contact with the main body surface of the intermediate connector. 2. The method according to claim 1, wherein the connecting body and the lining metal plate are welded. 14. The method according to claim 13, wherein the plastic deformation of the material in the engaging recess and the welding of the lining material to the surface of the material are performed in synchronization. 15. The method according to claim 13, wherein the raw material is welded in advance to the lining metal plate and then plastically deformed in the engagement recess. 16. A composite of a heterogeneous material according to any one of claims 13 to 15, wherein the material has a substantially rectangular cross section and a groove for promoting plastic deformation is formed at a tip end surface thereof. Production method. 17. The method according to claim 13, wherein the raw material is formed integrally with a lining metal plate in advance.