CN214137644U - Composite of resin laminated plate and metal plate - Google Patents
Composite of resin laminated plate and metal plate Download PDFInfo
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- CN214137644U CN214137644U CN202022796028.4U CN202022796028U CN214137644U CN 214137644 U CN214137644 U CN 214137644U CN 202022796028 U CN202022796028 U CN 202022796028U CN 214137644 U CN214137644 U CN 214137644U
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Abstract
The utility model discloses a complex body of resin lamination board and metal sheet, it includes: the composite flat plate part comprises a metal plate and a resin laminated plate which are transversely jointed, wherein the resin laminated plate is obtained by butt joint of a resin lamination and the metal plate and hot pressing and curing, and the resin lamination comprises a lower surface layer, a core layer and an upper surface layer which are vertically laminated in sequence; the composite flat plate part further comprises a special-shaped part which is obtained by processing the metal plate of the composite flat plate part. The utility model discloses transversely joint back hot pressing formation compound flat plate portion with metal sheet and resin stromatolite earlier ingeniously, then carry out the machine-shaping to the metal sheet of compound flat plate portion again and form special-shaped portion, then carry out the machine-shaping to the metal sheet and form special-shaped piece, it is high to obtain existing light in weight intensity, can form the composite sheet for more complicated structural shape again at the position of needs simultaneously, the problem that current fiber resin stromatolite is difficult to the shaping becomes the more complicated special-shaped piece of structure has been solved.
Description
Technical Field
The utility model relates to a lamination composite sheet technical field especially has related to a complex body of resin lamination board and metal sheet.
Background
Due to excellent insulation, high mechanical strength, low density and strong designability, fiber resin laminates are increasingly used in the field of consumer electronics, such as mobile phone and tablet computer back covers, keyboard substrates, connectors for rotating shafts, and the like. However, in specific applications, it is sometimes necessary to partially form the fiber resin laminate into a special-shaped structure with a unique appearance so as to meet the application requirements under different conditions. The thermosetting fiber laminated board is mainly formed into a special-shaped piece through a compression molding process, but has the following problems: the mold is expensive, the production efficiency is low, the complicated structural shape is difficult to form, and if the mold is integrally formed by mold pressing, the utilization rate of the mold is low, and the cost is high.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a composite of a resin laminate and a metal plate in order to solve the above-described problems.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a composite of a resin laminate and a metal plate, comprising: the composite flat plate part comprises a metal plate and a resin laminated plate which are transversely jointed, wherein the resin laminated plate is obtained by butt joint of a resin lamination and the metal plate and hot pressing and curing, and the resin lamination comprises a lower surface layer, a core layer and an upper surface layer which are vertically laminated in sequence; the composite flat plate part further comprises a special-shaped part which is obtained by processing the metal plate of the composite flat plate part.
As the utility model provides a resin laminate and metal sheet's a preferred embodiment of complex, the metal sheet with butt joint face is provided with the grafting structure between the resin stromatolite.
As the utility model provides a preferred implementation mode of the composite body of resin laminate and metal sheet, the grafting structure is assorted protruding type portion and concave type portion. It is to be understood that the male portion may be provided on the metal plate or on the resin laminate, and correspondingly, the female portion may be provided on the resin laminate or on the metal plate.
As a preferred embodiment of the composite of the resin laminate and the metal plate provided in the present invention, the convex portion is formed at the end of the metal plate before the butt joint; the concave part is formed by dislocation and inward concavity when the core layer is vertically laminated with the upper surface layer and the lower surface layer.
As the utility model provides a composite body of resin laminate and metal sheet's a preferred embodiment, sandwich layer, top layer and lower top layer are the fibre prepreg or the resin prepreg who is impregnated with the resin.
As a preferred embodiment of the composite of the resin laminate and the metal plate provided in the present invention, the core layer is a low-density core plate; the upper surface layer and the lower surface layer are fiber prepregs or resin prepregs impregnated with resin. The low density core is preferably, but not limited to, a synthetic foam filled with hollow glass microspheres, PEI foam, honeycomb panels, or other low density material.
As a preferred embodiment of the composite of the resin laminate and the metal plate provided in the present invention, the resin is any one of thermosetting resins selected from epoxy resin, vinyl ester resin, unsaturated polyester resin, MMA resin, acrylic resin, polyurethane resin and melamine resin.
As a preferred embodiment of the composite of the resin laminate and the metal plate provided in the present invention, the metal plate is aluminum, an aluminum alloy, steel, stainless steel, titanium, a titanium alloy, magnesium, or a magnesium alloy, but is not limited thereto.
As a preferred embodiment of the composite of the resin laminate and the metal plate provided by the present invention, the fiber of the fiber prepreg includes at least one selected from the group consisting of carbon fiber, glass fiber, aramid fiber, polyester fiber, nylon fiber, polyarylate fiber, polyvinyl alcohol fiber, and benzoxazole fiber.
As the utility model provides a composite body of resin laminate and metal sheet a preferred embodiment, the protruding type portion is from the thickness of inner to outer end on horizontal thickening gradually to the interlock intensity between reinforcing protruding type portion and the concave type portion.
Compared with the prior art, the utility model discloses there is following beneficial effect:
the utility model discloses transversely joint earlier metal sheet and resin stromatolite subtly and then hot pressing forms compound flat board portion, then carries out machine-shaping to the metal sheet of compound flat board portion and forms special-shaped portion (being special-shaped spare), obtains one kind and has light in weight intensity height, can form the complex body of more complicated structural shape again in the position that needs simultaneously, has solved the problem that current fibre resin stromatolite is difficult to form into the special-shaped spare of structure more complicated; the utility model discloses need not to change hot pressing die, adopt conventional flat hot pressing die can, the commonality is strong, and the high-usage need develop the supporting mould of many money, the problem that the cost is higher and the utilization ratio is low when having solved the different dysmorphism pieces of current fibre resin stromatolite integrated into one piece.
Drawings
FIG. 1 is a schematic structural view of the composite body of the present invention before the metal plates are butted;
FIG. 2 is a schematic structural diagram of the composite body of the present invention before the resin lamination is butted;
FIG. 3 is a schematic structural diagram of the composite flat plate of the present invention before the metal plate is deformed;
FIG. 4 is a schematic structural view of the composite flat plate portion of the composite body of the present invention being processed into a C-shaped irregular portion;
FIG. 5 is a schematic structural view of the composite flat plate of the composite body of the present invention being processed into a U-shaped special-shaped portion;
FIG. 6 is a schematic structural view of the complex of the present invention in which the metal plate of the composite flat plate portion is processed into a spiral-shaped irregular portion;
FIG. 7 is a schematic structural diagram corresponding to each step of a first method for manufacturing a composite body according to the present invention;
FIG. 8 is a perspective view of an embodiment of the composite of the present invention;
FIG. 9 is another schematic structural view of the composite body of the present invention before the metal plates are butted;
fig. 10 is a schematic structural view of another embodiment of the composite body of the present invention.
Detailed Description
In order to solve the technical problems described in the background art, the present inventors vertically laminate a metal plate with a fiber prepreg or a resin prepreg to enhance the profile processing of the fiber-resin laminate by the ductile and easy-to-process characteristics of the metal plate, but have the following problems: the thin wall and the design freedom are lacked, and the whole mass is heavier and the weight is lacked. The inventor further optimizes, process the metal sheet into the dysmorphism piece earlier, then compound with the resin plate, because the metal sheet is the dysmorphism piece, the resin plate is the flat plate spare, both composite processes are more difficult, compound manufacturing inefficiency, still need develop supporting new hot pressing die, and the composite process is difficult to avoid causing certain influence to the dysmorphism piece that has processed, especially need a plurality of dysmorphism pieces and resin plate complex, compound the degree of difficulty is bigger, the defective rate is higher. The present inventors have made extensive experiments to provide a composite of a resin laminate and a metal plate and a method for manufacturing the same.
In particular, the amount of the solvent to be used,
a composite of a resin laminate and a metal plate, comprising: the composite flat plate part comprises a metal plate and a resin laminated plate which are transversely jointed, wherein the resin laminated plate is obtained by butt joint of a resin lamination and the metal plate and hot pressing and curing, and the resin lamination comprises a lower surface layer, a core layer and an upper surface layer which are vertically laminated in sequence; the composite flat plate part further comprises a special-shaped part which is obtained by processing the metal plate of the composite flat plate part.
A method for manufacturing a composite of a resin laminate and a metal plate, which is the first method or the second method, wherein,
the first method comprises the following steps:
providing a metal plate, and processing the end part of the metal plate to be butted into a convex part;
providing a lower surface layer, a core layer and an upper surface layer, and sequentially vertically laminating the lower surface layer, the core layer and the upper surface layer to form a resin lamination layer; when laminating, the core layer, the upper surface layer and the lower surface layer are staggered and concave to form a concave part;
the convex part is butted into the concave part to form a composite board to be hot-pressed;
carrying out hot-pressing curing on the composite board to be hot-pressed to form a composite flat plate part;
processing the metal plate of the composite flat plate part after hot-pressing solidification into a special-shaped part to obtain a composite body;
the second method comprises the following steps:
providing a metal plate, and processing the end part of the metal plate to be butted into a convex part;
providing a lower surface layer, a core layer and an upper surface layer, and placing the lower surface layer in a hot-pressing curing mold;
placing the metal plate in a hot-pressing curing mold, wherein the lower end of the convex part of the metal plate is lapped on the end part of the lower surface layer;
laminating a core layer on the lower skin layer with an end abutting an end of the male portion;
laminating an upper layer on the core layer, wherein the lower end of the end part of the upper layer is lapped on the upper end of the convex part of the metal plate to form a composite plate to be hot-pressed;
carrying out hot-pressing curing on the composite board to be hot-pressed to form a composite flat plate part;
and processing the metal plate of the composite flat plate part after hot-pressing solidification into a special-shaped part to obtain a composite body.
The utility model discloses transversely joint earlier metal sheet and resin stromatolite subtly and then the hot pressing solidification forms compound flat plate portion, then carries out machine-shaping to the metal sheet of compound flat plate portion and forms special-shaped portion, obtains one kind and has light in weight intensity height, can form the composite sheet of more complicated structural shape again in the position that needs simultaneously, has solved the problem that current fiber resin laminated board is difficult to form into the profile part of more complicated structure; the utility model has the advantages that the hot-pressing mould is not required to be changed, the conventional flat plate type hot-pressing mould is adopted, the universality is strong, the utilization rate is high, and the problems that a plurality of matched moulds are required to be developed, the cost is high and the utilization rate is low when different special-shaped pieces are integrally formed by the conventional fiber resin lamination are solved; the problems that a composite plate formed by vertically laminating metal plates and resin plates is lack of thin wall property and design freedom degree, and the overall quality is heavy and light are solved. The utility model discloses can be with the arbitrary side tip of metal sheet horizontal joint at resin stromatolite, can be one side, both sides end, three side ends or four sides, the design degree of freedom is strong, also need not to develop hot pressing mold again, has solved earlier and has processed into dysmorphism with the metal sheet, then with the compound difficult, compound manufacturing inefficiency, the yield that exist of resin sheet complex again (especially multilateral dysmorphism piece), and need develop hot pressing mold's problem again.
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Example 1
The present embodiment provides a composite 1 of a resin laminate 12 and a metal plate 11, which includes:
the composite flat plate part 10 comprises a metal plate 11 and a resin laminated plate 12 which are transversely jointed, wherein the resin laminated plate 12 is obtained by butt joint of a resin laminated layer and the metal plate 11 and then hot pressing and curing (as shown in fig. 3), and the resin laminated layer comprises a lower surface layer 121, a core layer 122 and an upper surface layer 123 which are vertically laminated in sequence; also included is a profiled portion 112 obtained by machining the metal sheet 11 of the composite flat portion 10.
In this embodiment, the convex portion 111 is formed on the end of the metal plate 11 by machining before the butt joint, as shown in fig. 1; the core layer 122 is vertically stacked with the upper surface layer 123 and the lower surface layer 121, and is displaced and recessed to form a concave portion 124, as shown in fig. 2. It will be appreciated that the thickness of the male portion 111 is adapted to the thickness of the core layer 122, wherein the core layer 122 may be a single or multiple layers of sheet-like substrate. Similarly, the upper surface layer 123 and the lower surface layer 121 may be a single sheet-shaped substrate or may be a plurality of sheet-shaped substrates.
In the present embodiment, the lower surface layer 121, the core layer 122, and the upper surface layer 123 are all carbon fiber prepregs impregnated with epoxy resin, that is, the sheet-shaped base materials are all carbon fiber prepregs impregnated with epoxy resin.
In the present embodiment, the metal plate 11 is an aluminum plate.
In order to improve the overall aesthetic appearance of composite panel 1, upper surface 123 is preferably flush with the upper side of said metal plate 11; the lower skin 121 is flush with the underside of the metal plate 11.
Referring to fig. 7 and 8, the method for manufacturing the composite plate 1 of the composite resin laminate 12 and the metal plate 11 includes the following steps:
providing a metal plate 11, and processing the end part of the metal plate 11 to be butted into a convex part 111;
providing a lower surface layer 121, a core layer 122 and an upper surface layer 123, and vertically laminating the lower surface layer 121, the core layer 122 and the upper surface layer 123 in sequence to form a resin lamination; when laminating, the core layer 122, the upper surface layer 123 and the lower surface layer 121 are staggered and concave to form a concave part 124;
joining the male portion 111 into the female portion 124 to form a composite board to be hot-pressed;
carrying out hot-pressing curing on the composite board to be hot-pressed to form a composite flat plate part 10; wherein the hot-pressing solidification is carried out under the conditions of high temperature, high pressure and vacuum, the temperature is 130-200 ℃, the pressure is 40-180 psi, and the vacuum degree under the vacuum condition is 20-60 torr;
the metal plate 11 of the composite flat plate portion 10 after hot press curing is processed into the deformed portion 112, and the composite 1 is obtained.
The structure of the special-shaped part 112 can be freely designed according to actual needs, such as a C-shaped part (as shown in fig. 4), a U-shaped part (as shown in fig. 5), an S-shaped part, an O-shaped part or a spiral part (as shown in fig. 6), and the like.
Example 2
The present embodiment is different from embodiment 1 in that: the core layer 122 is a low-density core material to further satisfy the requirement of light weight.
Among them, the low-density core material is preferably, but not limited to, an epoxy resin prepreg filled with hollow glass beads, and the like.
Example 3
The present embodiment is different from embodiment 1 in that: the lower surface layer 121, the core layer 122, and the upper surface layer 123 are all glass fiber prepregs impregnated with a vinyl ester resin. The metal plate 11 is a stainless steel plate.
Example 4
The present embodiment is different from embodiment 1 in that: the lower surface layer 121, the core layer 122, and the upper surface layer 123 are all nylon fiber prepregs impregnated with polyurethane resin. The metal plate 11 is a magnesium alloy plate.
Example 5
The present embodiment is different from embodiment 1 in that: before the butt joint, the butt joint surfaces of the male portions 111 and the female portions 124 are subjected to a coupling agent solution treatment to enhance the connection strength.
Example 6
The present embodiment is different from embodiment 1 in that: before the butt joint, the convex part 111 is subjected to surface treatment to obtain a rough surface, so that the connection strength is enhanced.
Example 7
The present embodiment is different from embodiment 1 in that: the male portion 111 is progressively thicker in transverse direction from the inner end to the outer end to increase the strength of the snap fit between the male portion 111 and the female portion 124, as shown in figure 9.
Example 8
The present embodiment is different from embodiment 1 in that: the lower skin layer 121, the core layer 122 and the upper skin layer 123 are all MMA resin prepregs. The metal plate 11 is a magnesium plate.
Example 9
Referring to fig. 10, the present embodiment provides a composite plate 1 composed of a composite resin laminate 12 and a metal plate 11, which includes:
a composite flat plate portion 10 including a resin laminate 12 and two metal plates 11 joined laterally to both end portions of the resin laminate 12, respectively; the resin laminated plate 12 is obtained by abutting a resin laminated layer and a metal plate 11 and then performing hot-pressing curing (as shown in fig. 3), wherein the resin laminated layer comprises a lower surface layer 121, a core layer 122 and an upper surface layer 123 which are vertically laminated in sequence; also comprises a special-shaped part 112 obtained by processing the two metal plates 11 of the composite flat plate part 10.
In the present embodiment, the convex portion 111 is formed on the end of the metal plate 11 by machining before the butt joint; the core layer 122 is vertically stacked with the upper surface layer 123 and the lower surface layer 121, and is staggered and recessed to form a concave part 124. It will be appreciated that the thickness of the male portion 111 is adapted to the thickness of the core layer 122, wherein the core layer 122 may be a single or multiple layers of sheet-like substrate. Similarly, the upper surface layer 123 and the lower surface layer 121 may be a single sheet-shaped substrate or may be a plurality of sheet-shaped substrates.
In the present embodiment, the lower surface layer 121, the core layer 122, and the upper surface layer 123 are all polyester fiber prepregs impregnated with acrylic resin.
In the present embodiment, the metal plate 11 is a steel plate.
In order to improve the overall aesthetic appearance of the composite plate 1, it is preferable that the upper side of the upper surface layer 123 and the lower side of the lower surface layer 121 are respectively flush with the lower sides of the upper sides of the metal plates 11.
The method for manufacturing the composite of the resin laminated plate and the metal plate comprises the following steps:
providing two metal plates, and processing the end part to be butted of each metal plate into a convex part;
providing a lower surface layer, a core layer and an upper surface layer, and placing the lower surface layer in a hot-pressing curing mold;
placing the two metal plates in a hot-pressing curing mold, wherein the lower end of the convex part of each metal plate is lapped on the end part of the lower surface layer;
laminating a core layer on the lower skin layer with an end abutting an end of the male portion;
laminating an upper layer on the core layer, wherein the lower end of the end part of the upper layer is lapped on the upper end of the convex part of the metal plate to form a composite plate to be hot-pressed;
carrying out hot-pressing curing on the composite board to be hot-pressed to form a composite flat plate part 10; wherein the hot-pressing solidification is carried out under the conditions of high temperature, high pressure and vacuum, the temperature is 130-200 ℃, the pressure is 40-180 psi, and the vacuum degree under the vacuum condition is 20-60 torr;
the two metal plates of the composite flat plate portion 10 after hot press curing are processed into a special-shaped portion, and a composite is obtained. The structure of the special-shaped part 112 can be freely designed according to actual needs, such as a C-shaped part, a U-shaped part, an S-shaped part, an O-shaped part or a spiral part, and the like.
Example 10
This embodiment is different from embodiment 9 in that: the number of the metal plates is 3, the end part of each metal plate is processed with a convex part, correspondingly, three concave parts are formed on three side end parts of the resin laminate, so that the convex parts of the 3 metal plates are butted into the three concave parts of the resin laminate, namely, the resin laminate is transversely jointed with the three metal plates.
Example 11
This embodiment is different from embodiment 9 in that: the number of the resin lamination layers is 2, and the 2 resin lamination layers and the 2 metal plates are transversely jointed at intervals, namely a metal plate, a resin lamination layer, a metal plate and a resin lamination layer are sequentially transversely jointed. Correspondingly, the concave part and the convex part are formed at the two ends of the core layer and the metal plate which are positioned at the inner side.
When the special-shaped part is machined, the two metal plates can be machined into special-shaped parts so as to design a required special-shaped component with a more complex structure.
Comparative example 1
This comparative example differs from example 1 in that: the resin lamination is 2 layers, namely an upper surface layer and a lower surface layer; the splicing structure of the metal plate and the resin lamination is an L-shaped structure, namely, the end part of the metal plate is processed into a step, the upper surface layer and the lower surface layer are staggered to form an inverted step when being laminated, the inverted step is lapped on the step when being butted, and then the composite flat plate part is formed by hot pressing and curing.
However, the composite obtained in comparative example 1 had a lower bonding strength than the composite obtained in example 1, and was prone to have a problem of tearing or lifting of the bonded area during the processing of the metal plates, and had a high defective rate.
It should be apparent that the above-described embodiments are only some of the embodiments of the present application, and not all of the embodiments. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the content of the specification of the present application are directly or indirectly applied to other related technical fields, and the same is within the protection scope of the present application.
Claims (9)
1. A composite of a resin laminate and a metal plate, comprising: the composite flat plate part comprises a metal plate and a resin laminated plate which are transversely jointed, wherein the resin laminated plate is obtained by butt joint of a resin lamination and the metal plate and hot pressing and curing, and the resin lamination comprises a lower surface layer, a core layer and an upper surface layer which are vertically laminated in sequence; the composite flat plate part further comprises a special-shaped part which is obtained by processing the metal plate of the composite flat plate part.
2. The composite of resin laminate and metal plate as claimed in claim 1, wherein the abutting joint surface between the metal plate and the resin laminate is provided with an insertion structure.
3. The resin laminate and metal plate composite of claim 2 wherein the mating structures are male and female mating portions.
4. The composite of resin laminate and metal plate as claimed in claim 3, wherein the male portion is formed by machining at the end of the metal plate before butt-joining; the concave part is formed by dislocation and inward concavity when the core layer is vertically laminated with the upper surface layer and the lower surface layer.
5. A composite of resin laminate and metal plate according to claim 3 or 4, wherein the thickness of the convex portion is gradually increased from the inner end to the outer end in the transverse direction.
6. The composite of resin laminate and metal plate according to claim 1, wherein the core layer, the upper skin layer and the lower skin layer are each a resin-impregnated fiber prepreg or a resin prepreg.
7. The composite of resin laminate and metal sheet according to claim 1, wherein the core layer is a low density core sheet; the upper surface layer and the lower surface layer are fiber prepregs or resin prepregs impregnated with resin.
8. The composite of resin laminate and metal plate according to claim 6 or 7, wherein the resin in the resin-impregnated fiber prepreg is selected from any one of thermosetting resins of epoxy resin, vinyl ester resin, unsaturated polyester resin, MMA resin, acrylic resin, polyurethane resin, and melamine resin; or the resin in the resin prepreg is any one thermosetting resin selected from epoxy resin, vinyl ester resin, unsaturated polyester resin, MMA resin, acrylic resin, polyurethane resin and melamine resin.
9. The composite of resin laminate and metal plate according to claim 1, wherein the metal plate is aluminum, aluminum alloy, steel, stainless steel, titanium alloy, magnesium or magnesium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022796028.4U CN214137644U (en) | 2020-11-27 | 2020-11-27 | Composite of resin laminated plate and metal plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022796028.4U CN214137644U (en) | 2020-11-27 | 2020-11-27 | Composite of resin laminated plate and metal plate |
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| Publication Number | Publication Date |
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| CN214137644U true CN214137644U (en) | 2021-09-07 |
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| CN202022796028.4U Active CN214137644U (en) | 2020-11-27 | 2020-11-27 | Composite of resin laminated plate and metal plate |
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Address after: 526071 building B1, No. 7, Xingsheng Fourth Road, Yong'an Town, Dinghu District, Zhaoqing City, Guangdong Province Patentee after: Zhongke Weihe Technology (Zhaoqing) Co.,Ltd. Address before: 526070 building B1, No.7, Xingsheng 4th Road, Yong'an Town, Dinghu District, Zhaoqing City, Guangdong Province Patentee before: Zhongke Weihe Technology (Zhaoqing) Co.,Ltd. |