CN106994806A - Composite metal piece and manufacturing method thereof - Google Patents

Abstract

The invention relates to a composite metal piece and a manufacturing method thereof, wherein the composite metal piece comprises a first metal plate, a second metal plate and an intermediate layer, wherein a plurality of first conical blocks and a plurality of first lantern rings are formed on one surface of the first metal plate; the second metal plate is in press joint with the first metal plate, a plurality of second taper blocks and a plurality of second lantern rings are formed on one surface of the second metal plate, each first taper block and each second lantern ring are mutually embedded and combined, and each second taper block and each first lantern ring are mutually embedded and combined; the intermediate layer is clamped among the first conical blocks, the first lantern rings, the second conical blocks and the second lantern rings of the first metal plate. Therefore, the integral strength of the two metal plates after combination can be improved, the manufacturing process can be simplified, and the manufacturing time can be shortened.

Description

Composite metal part and method of making the same

technical field

The invention relates to a joining technology of composite materials, in particular to a composite metal piece and a manufacturing method thereof.

Background technique

With the continuous progress and development of science and technology, the application of composite materials in various products has become increasingly common, such as casings and mechanism accessories of mobile phones, tablet computers, notebook computers, etc.; fan blades, auto parts, medical equipment, Housing or spare parts of home appliances, safety helmets; exterior sheet metal parts and internal structural parts of automobiles and motorcycles, internal and external parts of aircraft, propellers, general hull structural parts, military helmets, bulletproof parts, sanitary equipment, building materials, etc., the list goes on and on. The finished product not only has many advantages such as light weight, thin profile, and good appearance and texture, but also can effectively reduce the leakage of electromagnetic waves.

A commonly used composite metal plate includes a base layer, an active solder layer and an outer layer, the base layer includes a structural strength metal; the active solder layer is located on a first side surface of the base layer, and the active solder layer includes an active solder; The outer layer is located on an outer surface of the active solder layer. The base layer, the active solder layer and the outer layer are sequentially stacked together, and then joined by explosive welding to form a composite metal plate.

However, the problem with clad metal sheets is that explosive welding between layers requires a large amount of energy, is highly dangerous, and is not easy to achieve mass production. Production yield. In addition, the base layer and the outer layer are only bonded by solder, and when it is applied to the occasion subjected to shear force, it is very easy to cause the base layer and the outer layer to slip and detach. Furthermore, it uses solder to join by explosive welding, which is not suitable for some specific metals (such as magnesium or magnesium alloys), and needs to be improved urgently.

Contents of the invention

The purpose of the present invention is to provide a composite metal part and its manufacturing method, which can improve the overall strength of the two metal plates combined, and can simplify the manufacturing process and shorten the manufacturing time.

To achieve the above object, the invention provides a method for making a composite metal part, the steps comprising:

a) forming a plurality of first cone blocks and a plurality of first collars by forming on a surface of a first metal plate;

b) forming a plurality of second cone blocks and a plurality of second collars by forming on a surface of a second metal plate;

c) The second metal plate is stacked on the first metal plate, each of the first cone blocks is arranged opposite to each of the second collars, and each of the second cone blocks is arranged opposite to each of the first collars;

d) sandwiching an interposer between the first metal plate and the second metal plate; and

e) Apply crimping to the first metal plate and the second metal plate with a pressing tool, so that the intermediary layer, each of the first cone blocks and each of the second collars are embedded and combined with each other, and the intermediary The layers, each of the second cone blocks and each of the first collars are embedded and firmly combined with each other.

Further, in step e), each of the first cone blocks is inserted into each of the second collars and each of the second collars is stretched outward, and each of the second cone blocks is inserted into each of the first collars and outwards Stretch each of the first collars.

Further, the forming process in step a) or step b) is rolling, stamping, laser or in-mold forming.

To achieve the above object, the present invention also provides a method for making a composite metal part, the steps comprising:

f) Forming a plurality of first cone blocks and a plurality of first collars by forming on opposite two surfaces of a first metal plate;

g) forming a plurality of second cone blocks and a plurality of second collars by forming on a surface of a second metal plate;

h) forming a plurality of third cone blocks and a plurality of third collars by forming on a surface of a third metal plate;

i) The second metal plate and the third metal plate are stacked on both sides of the first metal plate, and each of the first cone blocks is respectively arranged opposite to each of the second collar and each of the third collar, Each of the second cone blocks and each of the third cone blocks are arranged opposite to each of the first collars;

j) providing two intermediary layers, one of the intermediary layers is sandwiched between the first metal plate and the second metal plate, and the other intermediary layer is sandwiched between the first metal plate and the third metal plate between the boards; and

k) Apply crimping process to the first metal plate, the second metal plate and the third metal plate with a pressing tool, so that the interposer, each of the first cone blocks and each of the second collars are respectively and each of the third collars is embedded and combined with each other, and the intermediary layer, each of the second cone blocks and each of the third cone blocks are respectively embedded and combined with each of the first collars.

Further, in step k), each of the first cone blocks is respectively inserted into each of the second collar and each of the third collar and each of the second collar and each of the third collar is stretched outward, and each of the The second cone block and each of the third cone blocks are respectively inserted into each of the first collars and stretch each of the first collars outward.

Further, the forming process in step f), step g) or step h) is rolling, stamping, laser or in-mold forming.

To achieve the above object, the present invention also provides a composite metal part, comprising:

A first metal plate, a surface of the first metal plate is formed with a plurality of first cone blocks and a plurality of first collars;

A second metal plate is crimped on the first metal plate, a surface of the second metal plate is formed with a plurality of second cone blocks and a plurality of second collars, each of the first cone blocks and each of the first cone blocks The two collars are embedded and combined with each other, and each of the second cone blocks is embedded and combined with each of the first collars; and

An intermediate layer is clamped between each of the first cone blocks and each of the first collars of the first metal plate and each of the second cone blocks and each of the second collars of the second metal plate.

Further, each of the first cone blocks has a first outer ring wall, each of the second cone blocks has a second outer ring wall, and each of the first collars is tightly sleeved on each of the second outer ring walls. The ring wall, each of the second rings is tightly sleeved on each of the first outer ring walls.

Further, each of the first cone blocks and each of the first collars are arranged adjacently and side by side in a staggered manner, and each of the second cone blocks and each of the second collars are arranged adjacently and side by side in a staggered manner, the intermediary layer, each The first collar and each of the second collars are tightly attached to each other.

Further, the first metal plate is formed with a plurality of filling blocks, each of the filling blocks, each of the first cone blocks and each of the first collars are arranged adjacently and side by side in a staggered manner, and the second metal plate is formed with a plurality of The flattened area, each of the flattened areas, each of the second cone blocks and each of the second collars are arranged adjacently and juxtaposed in a staggered manner, and the intermediary layer, each of the first cone blocks and each of the flattened areas are embedded and combined with each other.

Further, the shape of each of the first cones is triangular, quadrangular or hexagonal, the shape of each of the second collars matches the shape of the first cone, and the shape of each of the second cones is a triangle , quadrilateral or hexagonal, the shape of each of the first collar matches the shape of the second cone block.

Further, each of the first collars is polygonal in shape and has a plurality of first corner ends, each of the first corner ends has a first slit from the top to the bottom, and each of the second collars has a shape of It is polygonal and has a plurality of second corner ends, and each second corner end defines a second slit from the top to the bottom.

Further, each of the first sectional grooves is a tapered groove whose diameter gradually decreases from the top of the first angular end toward the bottom, and each of the second sectional grooves gradually decreases from the top of the second angular end toward the bottom. A tapered groove of the caliber.

Further, the composite metal part also includes a third metal plate and another intermediary layer, and the other surface of the first metal plate is formed with a plurality of first cone blocks and a plurality of first collars through forming process, The second metal plate and the third metal plate are respectively crimped on both sides of the first metal plate, and a surface of the third metal plate is formed with a plurality of third cone blocks and a plurality of third collars, each of which The first cone block and each of the third collars are embedded and combined with each other, each of the third cone blocks and each of the first collars are embedded and combined with each other, and the other intermediary layer is clamped on each of the first metal plates. Between the first cone block, each of the first collars, and each of the third cone blocks and each of the third collars of the third metal plate.

Further, each of the first cone blocks has a first outer ring wall, each of the second cone blocks has a second outer ring wall, each of the third cone blocks has a third outer ring wall, and each of the The first collar is tightly sleeved on each of the second outer ring wall and each of the third outer ring walls, and each of the second collar and each of the third collar is tightly sleeved on each of the first outer ring walls ring wall.

Further, each of the first cone blocks and each of the first collars are arranged side by side in a staggered manner, each of the second cone blocks and each of the second collars are arranged in a staggered manner adjacent to each other, and each of the third cones The blocks and the third collars are arranged side by side in a staggered manner, and the two intermediary layers, the first collars, the second collars, and the third collars are tightly attached to each other.

Further, the first metal plate is formed with a plurality of filling blocks, each of the filling blocks, each of the first cone blocks and each of the first collars are arranged adjacently and side by side in a staggered manner, and the second metal plate is formed with a plurality of Each of the flat areas, each of the second cone blocks and each of the second collars are arranged side by side in a staggered manner, and the third metal plate is formed with a plurality of planar areas, each of the planar areas, each of the third The cone blocks and each of the third collars are adjacently arranged side by side in a staggered manner, and the two intermediary layers and each of the first cone blocks are embedded and firmly combined with each of the flat areas and each of the planar areas.

Further, the shape of each of the first cones is triangular, quadrangular or hexagonal, the shape of each of the second collar and each of the third collars matches the shape of the first cone, and each of the The shape of the second cone block and each of the third cone blocks is triangular, quadrangular or hexagonal, and the shape of each of the first collars matches the shape of the second cone block.

Further, the intermediate layer is carbon fiber, glass fiber, steel wire, steel mesh or Kevlar.

The beneficial effect of the present invention is that the shape of the cone can be easily inserted into the collar to form a tight riveting structure, which can not only withstand vibration, impact, thermal expansion and contraction, but also maintain the strength and integrity of the overall structure sex. In addition, the shape of the cone block can be inserted into the collar and then gradually expand the collar outward, so as to greatly reduce the existence of gaps, thereby improving the consolidation strength of the first metal plate and the second metal plate. Furthermore, the manufacturing method of the present invention not only enables rapid mass production and greatly reduces the cost, but also has many advantages such as thinning, light weight, high strength, good appearance and texture, and easy molding and manufacturing.

Description of drawings

Fig. 1 is a flow chart of the manufacturing method of the composite metal part of the present invention.

FIG. 2 is a schematic perspective view of the first metal plate of the present invention.

FIG. 3 is a three-dimensional enlarged view of the dotted line area in FIG. 2 of the present invention.

FIG. 4 is an enlarged top view of the dotted line area in FIG. 2 of the present invention.

Fig. 5 is a schematic cross-sectional view of the first metal plate of the present invention.

FIG. 6 is a schematic perspective view of the second metal plate of the present invention.

FIG. 7 is a three-dimensional enlarged view of the dotted line area in FIG. 6 of the present invention.

FIG. 8 is an enlarged top view of the dotted line area in FIG. 6 of the present invention.

9 is a schematic cross-sectional view of the second metal plate of the present invention.

Fig. 10 is a schematic diagram of the present invention where the second metal plate is stacked on the first metal plate.

Fig. 11 is a schematic diagram of the pressing tool of the present invention performing crimping on the first metal plate and the second metal plate.

Fig. 12 is a cross-sectional combined view of the composite metal part of the present invention.

Fig. 13a is a partial perspective view of another embodiment of the first metal plate of the present invention.

Fig. 13b is a partial perspective view of another embodiment of the second metal plate of the present invention.

Fig. 14a is a partial perspective view of another embodiment of the first metal plate of the present invention.

Fig. 14b is a partial perspective view of another embodiment of the second metal plate of the present invention.

Fig. 15 is a flow chart of the manufacturing method of another embodiment of the composite metal part of the present invention.

FIG. 16 is a schematic diagram of stacking the second metal plate and the third metal plate on both sides of the first metal plate.

Fig. 17 is a combined cross-sectional view of another embodiment of the composite metal part of the present invention.

Fig. 18 is a partial perspective enlarged view of another embodiment of the first metal plate of the present invention.

Fig. 19 is a partial perspective enlarged view of another embodiment of the second metal plate of the present invention.

Among them, reference signs

10…Composite metal parts

1...first metal plate

11, 11'...the first cone block

111, 111'...the first outer ring wall

12, 12'...first collar

121...first angle end

122...First cut groove

13…Filler block

2…second metal plate

21...Second cone block

211...the second outer ring wall

22…second collar

221...Second angle end

222...Second slot

23…levelling area

3…third metal plate

31...the third cone block

311...the third outer ring wall

32…third collar

4, 4'... Interposer

6...Pressure tool

60…Roller set

61…Upper roller

62…Lower roller

a～k…steps

detailed description

The detailed description and technical content of the present invention will be described as follows with the accompanying drawings, but the attached drawings are only for illustration purposes and are not intended to limit the present invention.

Please refer to FIG. 1 to FIG. 12 , the present invention provides a method for manufacturing a composite metal part, and the steps are described in detail as follows.

As shown in step a of FIG. 1 and FIG. 2 to FIG. 5 , in step a, a plurality of first cone blocks 11 and a plurality of first collars 12 are formed on a surface of a first metal plate 1 by forming. Among them, the first metal plate 1 can be a plate made of metal materials such as stainless steel, copper alloy, aluminum alloy, magnesium alloy or aluminum-magnesium alloy, and the above-mentioned forming process can be rolling, stamping, laser, in-mold forming and so on.

As shown in step b of FIG. 1 and FIGS. 6 to 9 , in step b, a plurality of second cone blocks 21 and a plurality of second collars 22 are formed on a surface of a second metal plate 2 by forming. Wherein, the second metal plate 2 can be a plate made of metal materials such as stainless steel, copper alloy, aluminum alloy, magnesium alloy or aluminum-magnesium alloy, and the above-mentioned forming process can be rolling, stamping, laser, in-mold forming and so on.

As shown in step c of Figure 1 and Figure 10, in step c, the second metal plate 2 is stacked on the first metal plate 1, and each first cone block 11 is arranged opposite to each second collar 22, and each second The cone block 21 is arranged opposite to each first collar 12 .

As shown in step d of FIG. 1 and FIG. 10 , in step d, an interposer 4 is sandwiched between the first metal plate 1 and the second metal plate 2 . Wherein, the intermediary layer 4 can be carbon fiber, glass fiber, steel wire, steel mesh or Kevlar (Kevlar, or poly-p-phenylene terephthalamide) and the like.

As shown in step e of FIG. 1 and FIG. 11 to FIG. 12, in step e, the first metal plate 1 and the second metal plate 2 are crimped with a pressing tool 6, so that the interposer 4, each first The cone block 11 and each second collar 22 are embedded and combined with each other, and the intermediary layer 4 , each second cone block 21 and each first collar 12 are embedded and combined with each other.

The details are as follows, the pressing tool 6 can be a crimping mold or a roller set 60, wherein the roller set 60 includes an upper roller 61 and a lower roller 62 arranged at the position directly below the upper roller 61, wherein the crimping The processing can be carried out in cold work or hot work mode, and the first metal plate 1 and the second metal plate 2 that have completed the aforementioned stacking operation are sent between the upper roller 61 and the lower roller 62 for rolling processing, so that After being crimped by each roller 61, 62, each first cone block 11 will drive the intermediary layer 4 to be inserted into each second collar 22 and gradually expand each second collar 22 outward, so that each first cone The blocks 11 and the second collars 22 form a tight riveting structure and are embedded and combined, and the second cone blocks 21 will drive the intermediary layer 4 to be inserted into the first collars 12 and gradually expand the first collars 12 outwards. The collar 12 makes each second cone block 21 and each first collar 12 form a tight riveting structure and is embedded and combined, so that the bonding strength between the first metal plate 1 and the second metal plate 2 can be improved.

In addition, each first cone block 11 gradually increases the peripheral dimension from the top surface toward the first metal plate 1, so that the first cone block 11 can be easily inserted into the second collar 22 to form a pressing riveting structure. The second cone block 21 gradually increases the peripheral dimension from the top surface to the direction of the second metal plate 2, so that the second cone block 21 can be easily inserted into the first collar 12 to form a tight riveting structure, so as to withstand vibration, Shock and thermal expansion and contraction, etc., can better maintain the strength and integrity of the overall structure.

Furthermore, each first cone block 11 will be inserted into each second collar 22 and then gradually stretch each second collar 22 outward, and each second cone block 21 will be inserted into each first collar 12 and then gradually outward Stretch the first collars 12, thereby effectively reducing the problems such as gaps caused by the unsmooth plastic flow path of the first metal plate 1 and the second metal plate 2 during the flow process, and then being able to lift the first metal plate 1 and the second metal plate 1. The bonding strength of the two metal plates 2.

Moreover, the production method of the present invention can not only quickly mass-produce and greatly reduce the cost, but also the composite metal piece 10 of the present invention can be rolled for many times during the production process, so that the finished product has a thin profile. It has many advantages such as simplification, light weight, high strength, good appearance and texture, and easy molding and manufacturing.

Please refer to FIG. 2 to FIG. 12 again, the aforementioned manufacturing method can produce a composite metal part 10 , which mainly includes a first metal plate 1 , a second metal plate 2 and an intermediate layer 4 .

As shown in Figures 2 to 5, a surface of the first metal plate 1 is formed with a plurality of first cone blocks 11 and a plurality of first collars 12; wherein, each first cone block 11 has a first outer ring wall 111.

Furthermore, each first cone block 11 and each first collar 12 are adjacently arranged side by side in a staggered manner; further description is as follows, as shown in Figure 3 and Figure 4, each first cone block 11 is provided with staggered The first cone block 11 and the first collar 12 of configuration, the periphery of each first collar 12 is provided with the first cone block 11 and the first collar 12 that are arranged in a staggered manner, so that each first cone block 11 and The first collars 12 are staggered and adjacently arranged, and the shape of each first cone 11 can be a quadrangle such as a rhombus or a square.

As shown in Figures 6 to 9, the second metal plate 2 is crimped on the first metal plate 1, and a surface of the second metal plate 2 is formed with a plurality of second cone blocks 21 and a plurality of second collars 22, Each second cone block 21 has a second outer ring wall 211, and each second collar 22 is tightly sleeved on each first outer ring wall 111, so that each first cone block 11 and each second collar 22 Embedded and combined with each other, each first collar 12 is tightly sleeved on each second outer ring wall 211 , so that each second cone block 21 and each first collar 12 are embedded and combined with each other.

Wherein, each second cone block 21 and each second collar 22 are adjacently arranged side by side in a staggered manner; further description is as follows, as shown in Figure 7 and Figure 8, each second cone block 21 is provided with a staggered configuration The second cone block 21 and the second collar 22, the periphery of each second collar 22 is provided with the second cone block 21 and the second collar 22 which are staggered, so that each second cone block 21 and each The second collars 22 are staggered and adjacently arranged, and the shape of each second cone 21 can be a quadrangle such as a rhombus or a square.

In addition, the shape of each second collar 22 will match the shape of the first cone block 11, that is, the shape of the second collar 22 will be the same as the shape of the first cone block 11, which is a quadrilateral such as a rhombus or a square; The shape of the first collar 12 matches the shape of the second cone 21 , that is, the shape of the first collar 12 is the same as that of the second cone 21 , such as a rhombus, a square, or a quadrilateral.

As shown in Figure 12, the intermediary layer 4 is clamped on each first cone block 11 of the first metal plate 1, each first collar 12 and each second cone block 21 and each second ring of the second metal plate 2. Between rings 22.

Moreover, each of the above-mentioned first cone blocks 11 and each of the first collars 12 are arranged side by side in a staggered manner, and each second cone block 21 and each of the second collars 22 are arranged in a staggered manner adjacent to each other, so that each The first cone block 11 is embedded and fixed between several second cone blocks 21, and each second cone block 21 is embedded and fixed between several first cone blocks 11, and then pushed against the intermediary layer 4 and each first collar 12 and the second collars 22 are tightly attached to each other to reduce the gap between the first metal plate 1 and the second metal plate 2, thereby strengthening the solidity of the first metal plate 1 and the second metal plate 2. knot strength.

As shown in Figure 12, the combination of the composite metal parts 10 of the present invention utilizes a surface of the first metal plate 1 to form a plurality of first cone blocks 11 and a plurality of first collars 12; the second metal plate 2 is crimped On the first metal plate 1, a surface of the second metal plate 2 is formed with a plurality of second cone blocks 21 and a plurality of second collars 22, and each first cone block 11 and each second collar 22 are embedded with each other Combined, each second cone block 21 and each first collar 12 are embedded and combined with each other; the intermediary layer 4 is clamped on each first cone block 11, each first collar 12 and the second metal plate of the first metal plate 1 2 between each second cone block 21 and each second collar 22. In this way, the intermediary layer 4, each first collar 12 and each second outer ring wall 211 form a tight riveting structure and are embedded and combined. The intermediary layer 4, each second collar 22 and each first outer ring The wall 111 forms a tight riveting structure and is embedded and combined to enhance the overall strength of the combined first metal plate 1 and the second metal plate 2 , simplify the manufacturing process and shorten the manufacturing time.

Please refer to Fig. 13a, Fig. 13b, Fig. 14a and Fig. 14b, which are other embodiments of the first metal plate 1 and the second metal plate 2 of the present invention, the embodiment of Fig. 13a, Fig. 13b, Fig. 14a and Fig. 14b The embodiment of Fig. 1 to Fig. 12 is roughly the same, but the embodiment of Fig. 13a, Fig. 13b, Fig. 14a and Fig. 14b is different from the embodiment of Fig. 1 to Fig. 12 in that the first metal plate 1 and the second metal plate 2 The shape and part structure are different.

Detailed description is as follows, as shown in Figure 3, Figure 7, Figure 13a, Figure 13b, Figure 14a and Figure 14b, the shape of each first cone block 11 can be triangular, quadrangular or hexagonal, and each second cone block The shape of 21 can be triangular, quadrangular or hexagonal. Wherein, the shape of the second collar 22 will be the same as the shape of the first cone block 11, which is triangular, quadrangular or hexagonal, and the shape of the first collar 12 will be the same as the shape of the second cone block 21, which is triangular, quadrangular or hexagonal. hexagon.

In addition, as shown in Figure 14a, the first metal plate 1 is formed with a plurality of filling blocks 13, and each filling block 13, each first cone block 11 and each first collar 12 are arranged adjacently and side by side in a staggered manner, that is, each The first cone block 11 is provided with staggered filling blocks 13 and first collars 12 around the periphery, and each first collar 12 is provided with staggered first cone blocks 11 and filling blocks 13 around its periphery.

Furthermore, as shown in Figure 14b, the second metal plate 2 is formed with a plurality of flat areas 23, each flat area 23 keeps the surface of the second metal plate 2 flat, and each flat area 23 is positioned lower than the surrounding second The cone block 21 and the second collar 22 are in a concave shape, and each flat area 23, each second cone block 21 and each second collar 22 are arranged side by side in a staggered manner, that is, the periphery of each second cone block 21 Surrounded by staggered flat areas 23 and second collars 22, each second collar 22 is surrounded by staggered second cone blocks 21 and flat areas 23, the intermediary layer 4, each first cone block 11 and each flat area 23 are embedded and firmly combined with each other. In this way, the same functions and effects as those of the embodiment shown in FIG. 1 to FIG. 12 can be achieved.

Please refer to Fig. 15 to Fig. 17, which is another embodiment of the composite metal part 10 and its manufacturing method of the present invention. The embodiment of Fig. 15 to Fig. 17 is substantially the same as that of Fig. 1 to Fig. 12, but The difference between the embodiment shown in FIG. 17 and the embodiment shown in FIGS. 1-12 is that the composite metal part 10 and its manufacturing method further include a third metal plate 3 .

As shown in steps f, g, h, i, j of Figure 15 and Figure 16, in the step f, a plurality of first cone blocks 11, 11' and A plurality of first collars 12, 12'; in step g, a plurality of second cone blocks 21 and a plurality of second collars 22 are formed by forming on a surface of a second metal plate 2; in step h, in a first One surface of the three metal plates 3 is processed to form a plurality of third cone blocks 31 and a plurality of third collars 32; in step i, the second metal plate 2 and the third metal plate 3 are stacked on the first metal plate 1 Each first cone block 11, 11' is arranged opposite to each second collar 22 and each third collar 32 respectively, and each second cone block 21 and each third cone block 31 are respectively connected to each first set of The rings 12, 12' are arranged oppositely; in step j, two intermediary layers 4, 4' are provided, one intermediary layer 4 is sandwiched between the first metal plate 1 and the second metal plate 2, and the other intermediary layer 4 'Interposed between the first metal plate 1 and the third metal plate 3.

As shown in step k of FIG. 15 and FIG. 17, the first metal plate 1, the second metal plate 2 and the third metal plate 3 are crimped with a press tool (refer to the press tool 6 of FIG. 11 ), thereby The intermediary layer 4, each first cone block 11 is respectively embedded and combined with each second collar 22, and the intermediary layer 4', each first cone block 11' is respectively embedded and combined with each third collar 32, and the intermediary The layer 4 and each second cone block 21 are respectively embedded and combined with each first collar 12 , and the intermediary layer 4 ′ and each third cone block 31 are respectively embedded and combined with each first collar 12 ′.

The details are as follows, each first cone block 11, 11' is respectively inserted into each second collar 22 and each third collar 32 and gradually stretches each second collar 22 and each third collar 32 outward, so that The intermediary layers 4, 4', each first cone block 11, 11' form a pressing riveting structure with each second collar 22 and each third collar 32 respectively, and are embedded and combined, and each second cone block 21 and each third cone block 31 are respectively inserted into each first collar 12, 12' and gradually stretch each first collar 12, 12' outward, so that each second cone block 21 and each third cone block 31, The intermediary layers 4, 4' and the first collars 12, 12' respectively form a pressing riveting structure and are embedded and combined.

Please refer to FIG. 17 again, which is a composite metal part 10 made by the aforementioned manufacturing method, which mainly includes a first metal plate 1, a second metal plate 2, a third metal plate 3 and two intermediary layers 4, 4', the other surface of the first metal plate 1 is formed with a plurality of first cone blocks 11' and a plurality of first collars 12' by forming, and the second metal plate 2 and the third metal plate 3 are respectively crimped on On both sides of the first metal plate 1, a surface of the third metal plate 3 is formed with a plurality of third cone blocks 31 and a plurality of third collars 32, and each first cone block 11' is connected to each third collar 32. Embedding combination, each third cone block 31 and each first collar 12' are embedded and combined with each other, and another intermediary layer 4' is clamped on each first cone block 11' of the first metal plate 1, each first ring Between the ring 12 ′ and each third cone block 31 and each third collar 32 of the third metal plate 3 . In this way, the same functions and effects as those of the embodiment shown in FIG. 1 to FIG. 12 are realized.

In addition, each first cone block 11' has a first outer ring wall 111', each third cone block 31 has a third outer ring wall 311, and each first collar 12' is tightly sleeved on each The third outer ring wall 311 , and each third collar 32 is sleeved on each first outer ring wall 111 ′ in a pressing manner. Wherein, the third metal plate 3 can be a metal material such as stainless steel, copper alloy, aluminum alloy, magnesium alloy or aluminum-magnesium alloy.

In addition, each first cone block 11' and each first collar 12' are arranged adjacently and side by side in a staggered manner, and the third cone blocks 31 and each third collar 32 are arranged adjacently and side by side in a staggered manner (refer to Fig. 13a, Fig. 13b), so that each first cone block 11' is embedded between several third cone blocks 31, and each third cone block 31 is embedded between several first cone blocks 11', thereby pushing The interlayer 4, the first collars 12' and the third collars 32 are tightly attached to each other to reduce the gap between the first metal plate 1 and the third metal plate 3, thereby strengthening the first metal plate 1 and the third metal plate 3. The bonding strength of the metal plate 1 and the third metal plate 3.

Moreover, the shape of each first cone block 11' can be triangular, quadrangular or hexagonal, and the shape of each third collar 32 will match the shape of the first cone block 11', and the shape of each third cone block 31 The shape can be triangular, quadrangular or hexagonal, and the shape of each first collar 12' will match the shape of the third cone 31 (refer to FIG. 13a, FIG. 13b, FIG. 14a and FIG. 14b).

And, as shown in Figure 14a and Figure 14b, similarly, the first metal plate 1 of this embodiment can also be formed with a plurality of filling blocks, each filling block, each first cone block 11, 11' and each first set The rings 12, 12' are arranged side by side in a staggered manner, and the second metal plate 2 can also be formed with a plurality of flat areas 23, and each flat area 23, each second cone block 21 and each second collar 22 are arranged in a staggered manner. Arranged side by side, the third metal plate 3 can also be formed with a plurality of plane areas, each plane area keeps the surface of the third metal plate 3 flat, and the position of each plane area is lower than the surrounding third cone block 31 and the third The collar 32 is in a concave shape, and each of the planar areas, each of the third cone blocks 31 and each of the third collars 32 are arranged side by side in a staggered manner, wherein an intermediary layer 4, each of the first cone blocks 11 and each of the flat areas 23 are embedded and combined with each other, and another intermediary layer 4', each first cone block 11' and each plane area are embedded and combined with each other.

Please refer to FIG. 18 to FIG. 19 , which is another embodiment of the first metal plate 1 and the second metal plate 2 of the present invention. The embodiment in FIG. 18 to FIG. 19 is substantially the same as the embodiment in FIG. 2 to FIG. 12 . But the embodiment of Fig. 18 to Fig. 19 is different from the embodiment of Fig. 2 to Fig. 12 in that each first collar 12 is provided with a plurality of first slits 122, and each second collar 22 is provided with a plurality of The second split groove 222 .

Further description is as follows, the shape of each first collar 12 can be a polygon such as triangle, quadrangle or hexagon and has a plurality of first corner ends 121, and each first corner end 121 has a first section from the top to the bottom. Grooves 122 , each of the first sectional grooves 122 is a tapered groove whose diameter gradually decreases from the top of the first angular end 121 to the bottom.

In addition, the shape of each second collar 22 can be a polygon such as a triangle, a quadrangle or a hexagon, and has a plurality of second corner ends 221, and each second corner end 221 defines a second slit 222 from the top to the bottom. , each second split groove 222 is a tapered groove whose diameter gradually decreases from the top of the second angular end 221 toward the bottom.

Thereby, each first cone block 11 is embedded and combined with each second collar 22 respectively, and when each second cone block 21 is respectively embedded and combined with each first collar 12, the first cone block 11 gives the second The outward expansion force of the collar 22 can be released through the second split groove 222, and the outward expansion force given by the second cone block 21 to the first collar 12 can be released through the first split groove 122, preventing the first collar 12 and the second collar from The ring 22 ruptures due to excessive outward expansion force.

Furthermore, the best embodiment of the first split groove 122 and the second split groove 222 is a tapered groove, which can best match the shapes of the first tapered block 11 and the second tapered block 21 . However, the shapes of the first sectional groove 122 and the second sectional groove 222 can be other shapes, which are not limited to the tapered groove.

Similarly, as shown in Figure 16, in order to prevent the first collar 12' and the third collar 32 from being ruptured due to excessive outward expansion force, each corner end of the first collar 12' and the third collar 32 can also be There is a slot from the top to the bottom.

Certainly, the present invention also can have other various embodiments, without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding changes and deformations according to the present invention, but these corresponding changes All changes and modifications should belong to the protection scope of the claims of the present invention.

Claims (19)

1. A method for making a composite metal part, characterized in that the steps comprise: a) forming a plurality of first cone blocks and a plurality of first collars by forming on a surface of a first metal plate; b) forming a plurality of second cone blocks and a plurality of second collars by forming on a surface of a second metal plate; c) The second metal plate is stacked on the first metal plate, each of the first cone blocks is arranged opposite to each of the second collars, and each of the second cone blocks is arranged opposite to each of the first collars; d) sandwiching an interposer between the first metal plate and the second metal plate; and e) Apply crimping to the first metal plate and the second metal plate with a pressing tool, so that the intermediary layer, each of the first cone blocks and each of the second collars are embedded and combined with each other, and the intermediary The layers, each of the second cone blocks and each of the first collars are embedded and firmly combined with each other. 2. The manufacturing method of a composite metal part according to claim 1, wherein in step e), each of the first cone blocks is inserted into each of the second collars and each of the second collars is stretched outward, Each of the second cone blocks is inserted into each of the first collars and stretches each of the first collars outward. 3. The manufacturing method of a composite metal part according to claim 1, characterized in that, the forming process in step a) or step b) is rolling, stamping, laser or in-mold forming. 4. A method for making a composite metal part, characterized in that the steps comprise: f) Forming a plurality of first cone blocks and a plurality of first collars by forming on opposite two surfaces of a first metal plate; g) forming a plurality of second cone blocks and a plurality of second collars by forming on a surface of a second metal plate; h) forming a plurality of third cone blocks and a plurality of third collars by forming on a surface of a third metal plate; i) The second metal plate and the third metal plate are stacked on both sides of the first metal plate, and each of the first cone blocks is respectively arranged opposite to each of the second collar and each of the third collar, Each of the second cone blocks and each of the third cone blocks are arranged opposite to each of the first collars; j) providing two intermediary layers, one of the intermediary layers is sandwiched between the first metal plate and the second metal plate, and the other intermediary layer is sandwiched between the first metal plate and the third metal plate between the boards; and k) Apply crimping process to the first metal plate, the second metal plate and the third metal plate with a pressing tool, so that the interposer, each of the first cone blocks and each of the second collars are respectively and each of the third collars is embedded and combined with each other, and the intermediary layer, each of the second cone blocks and each of the third cone blocks are respectively embedded and combined with each of the first collars. 5. The manufacturing method of a composite metal part according to claim 4, characterized in that, in step k), each of the first cone blocks is respectively inserted into each of the second collar and each of the third collar and braced outward Open each of the second collar and each of the third collars, each of the second cone blocks and each of the third cone blocks are respectively inserted into each of the first collars and stretch each of the first collars outward. 6. The manufacturing method of a composite metal part according to claim 4, characterized in that, the forming process in step f), step g) or step h) is rolling, stamping, laser or in-mold forming. 7. A composite metal part, characterized in that, comprising: A first metal plate, a surface of the first metal plate is formed with a plurality of first cone blocks and a plurality of first collars; A second metal plate is crimped on the first metal plate, a surface of the second metal plate is formed with a plurality of second cone blocks and a plurality of second collars, each of the first cone blocks and each of the first cone blocks The two collars are embedded and combined with each other, and each of the second cone blocks is embedded and combined with each of the first collars; and An intermediate layer is clamped between each of the first cone blocks and each of the first collars of the first metal plate and each of the second cone blocks and each of the second collars of the second metal plate. 8. The composite metal part according to claim 7, wherein each of the first cone blocks has a first outer ring wall, each of the second cone blocks has a second outer ring wall, and each of the first cone blocks has a second outer ring wall. A set of rings is sleeved on each of the second outer ring walls in a pressing manner, and each of the second rings is sleeved on each of the first outer ring walls in a pressing type. 9. The composite metal part according to claim 7, characterized in that, each of the first cone blocks and each of the first collars are arranged side by side in a staggered manner, and each of the second cone blocks and each of the second sleeves The rings are arranged adjacent to each other in a staggered manner, and the intermediary layer, each of the first collars and each of the second collars are closely attached to each other. 10. The composite metal part according to claim 7, wherein the first metal plate is formed with a plurality of filling blocks, each of the filling blocks, each of the first cone blocks and each of the first collars in a staggered manner Arranged side by side, the second metal plate is formed with a plurality of flattened areas, each of the flattened areas, each of the second cone blocks and each of the second collars are arranged side by side in a staggered manner, the intermediary layer, each of the first A cone block is embedded and firmly combined with each of the flat areas. 11. The composite metal part according to claim 9 or 10, characterized in that, the shape of each of the first cones is triangular, quadrangular or hexagonal, and the shape of each of the second collars matches the shape of the first The shape of the cone block, the shape of each second cone block is triangular, quadrangular or hexagonal, and the shape of each of the first collar matches the shape of the second cone block. 12. The composite metal part according to claim 9 or 10, wherein each of the first collars is polygonal in shape and has a plurality of first corner ends, and each of the first corner ends extends from top to bottom A first sectional groove is opened, and each second collar is polygonal in shape and has a plurality of second corner ends, and each second corner end is provided with a second sectional groove from the top to the bottom. 13. The composite metal part according to claim 12, wherein each of the first sectional grooves is a tapered groove whose diameter gradually decreases from the top of the first corner end toward the bottom, and each of the second sectional grooves The groove is a tapered groove whose diameter gradually decreases from the top of the second angle end toward the bottom. 14. The composite metal part according to claim 7, further comprising a third metal plate and another intermediary layer, the other surface of the first metal plate is formed with a plurality of first cone blocks by forming and a plurality of first collars, the second metal plate and the third metal plate are respectively crimped on both sides of the first metal plate, and a surface of the third metal plate is formed with a plurality of third cone blocks and a plurality of a third collar, each of the first cone blocks and each of the third collars are embedded and combined with each other, each of the third cone blocks and each of the first collars are embedded and combined with each other, and the other intermediary layer is clamped on Between each of the first cone blocks and each of the first collars of the first metal plate and each of the third cone blocks and each of the third collars of the third metal plate. 15. The composite metal part according to claim 14, wherein each of the first cone blocks has a first outer ring wall, each of the second cone blocks has a second outer ring wall, and each of the The third cone block has a third outer ring wall, each of the first rings is tightly sleeved on each of the second outer ring walls and each of the third outer ring walls, each of the second rings and each of the first rings The three rings are sleeved on each of the first outer ring walls in a pressing manner. 16. The composite metal part according to claim 14, characterized in that, each of the first cone blocks and each of the first collars are arranged side by side in a staggered manner, and each of the second cone blocks and each of the second sleeves The rings are arranged side by side in a staggered manner, each of the third cone blocks and each of the third collars are arranged adjacent to each other in a staggered manner, and the two intermediary layers, each of the first collars are respectively connected with each of the second collars and each of the third collars. Each of the third collars is tightly attached to each other. 17. The composite metal part according to claim 14, wherein the first metal sheet is formed with a plurality of filling blocks, each of the filling blocks, each of the first cone blocks and each of the first collars in a staggered manner Arranged side by side, the second metal plate is formed with a plurality of flattened areas, each of the flattened areas, each of the second cone blocks and each of the second collars are arranged side by side in a staggered manner, and the third metal plate is formed with A plurality of planar areas, each of the planar areas, each of the third cone blocks and each of the third collars are arranged side by side in a staggered manner, and the two intermediary layers, each of the first cone blocks are respectively connected to each of the flat areas and each of the third collars The planar regions are interlocked and combined with each other. 18. The composite metal part according to claim 16 or 17, characterized in that, each of the first cones is triangular, quadrilateral or hexagonal in shape, each of the second collars and each of the third The shape of the collar matches the shape of the first cone, the shape of each of the second cones and each of the third cones is triangular, quadrilateral or hexagonal, and the shape of each of the first collars matches the shape of the first cone. The shape of the second cone. 19. The composite metal part according to claim 7 or 14, characterized in that the intermediary layer is carbon fiber, glass fiber, steel wire, steel mesh or Kevlar.