CN211641179U - Firmly combined composite material plate - Google Patents
Firmly combined composite material plate Download PDFInfo
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- CN211641179U CN211641179U CN201921942610.8U CN201921942610U CN211641179U CN 211641179 U CN211641179 U CN 211641179U CN 201921942610 U CN201921942610 U CN 201921942610U CN 211641179 U CN211641179 U CN 211641179U
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- composite material
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Abstract
The utility model discloses a composite material plate with firm combination, which comprises a composite material plate (1) and a thermoplastic material frame (2) connected to the periphery of the composite material plate (1) in an injection molding mode; the end surface of the composite material plate (1) is cut with a concave-convex surface, and the concave-convex surface filled with the thermoplastic material on the end surface is combined with the composite material plate (1); a sawtooth groove is formed in the composite material plate (1) or the thermoplastic material frame (2), and the composite material plate (1) and the thermoplastic material frame (2) are meshed and connected with each other through the sawtooth groove; the shapes of two adjacent sawtooth grooves on the composite material plate (1) or the thermoplastic material frame (2) are the same or different; more than 1 groove with opening size larger than the opening of the sawtooth groove is arranged in the sawtooth groove. The utility model has the advantages of reasonable design, adopt the zigzag groove meshing more than 1 to connect, bonding strength is high, sound construction, connection simple process, the feature of environmental protection is good.
Description
Technical Field
The utility model relates to a fiber material panel, concretely relates to combine firm combined material panel.
Background
With the rapid development of economy in China, various household appliances, electronic products, motor vehicles and aerospace equipment are rapidly developed, and shells of the products generally need strong hardness, strong impact resistance, heat resistance and corrosion resistance.
For example, in the prior art, if a plastic shell is adopted for a computer shell, the defects of low strength, weak impact resistance and the like exist, if a composite material shell such as carbon fiber is adopted for the shell, the weight is light, the strength is high, the impact resistance is strong, the existing composite material and the plastic shell are spliced and bonded in a glue spraying mode, the bonding force is poor, the bonding is not firm, in addition, the glue spraying has the defects of large environmental pollution, adverse influence on the body of an operator, more operation procedures are needed, and the production cost is high.
The existing other buckle connection modes need high pressure to extrude the sandwich layer in the composite material plate or high pressure to extrude plastic into the sandwich layer for connection, the connection mode has higher process cost,
therefore, it is necessary to design and develop a composite material plate which has reasonable structural design, high strength, simple connection mode and strong bonding force between the composite material plate and the peripheral thermoplastic material frame based on the prior art.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims to solve the technical problem that overcome prior art not enough, provide a structural design is reasonable, and intensity is high, and the connected mode is simple, composite material board that combined force is strong with peripheral thermoplastic material frame.
The technical scheme is as follows: in order to realize the above purpose, the utility model discloses the technical scheme who takes does:
a firmly-bonded composite material plate comprises a composite material plate and a thermoplastic material frame connected to the periphery of the composite material plate in an injection molding mode; the end surface of the composite material plate is cut with a concave-convex surface, and the concave-convex surface filled with the thermoplastic material on the end surface is combined with the composite material plate;
the composite material plate or the thermoplastic material frame is provided with a sawtooth groove, and the composite material plate and the thermoplastic material frame are meshed and connected with each other through the sawtooth groove; the shapes of two adjacent sawtooth grooves on the composite material plate or the thermoplastic material frame are the same or different; more than 1 groove with opening size larger than that of the opening of the sawtooth groove is arranged in the sawtooth groove.
The composite material plate comprises a solid plate and a sandwich plate; wherein the sandwich board comprises a solid sandwich and a foaming structure sandwich. The sandwich board is provided with a material layer capable of being fused with the thermoplastic material, and the thermoplastic material can be fused and bonded with the material layer in the sandwich board when plastic is molded, so that the displacement of the thermoplastic material frame and the composite material in the thickness direction can be limited.
As another preferred scheme, in the firmly-combined composite material plate, the combined cross sections of the sandwich layer and the thermoplastic material frame in the sandwich plate are not embedded into each other.
According to the composite material plate with firm combination, the concave-convex surface is cut on the end surface of the composite material plate, and the concave-convex surface filled in the end surface of the thermoplastic material is combined, so that the friction force in the shearing direction between the thermoplastic material frame and the composite material plate is formed, and the displacement of the thermoplastic material frame and the composite material plate in the thickness direction is limited.
Preferably, the thickness of the composite material plate and the thickness of the thermoplastic frame are equal or different.
According to the composite material plate with firm combination, the composite material plate and the thermoplastic material frame are provided with the steps, and the composite material plate and the thermoplastic material frame are connected in a clamping mode through the sawtooth grooves after being lapped through the steps.
Preferably, in the composite material plate with the firm combination, the cross sections of the sandwich layer and the thermoplastic material frame in the sandwich plate are not embedded into each other.
Preferably, in the composite material plate with firm bonding, the thermoplastic material frame is provided with a raised edge.
In the composite material plate with firm combination, the solid sandwich and the foaming structure sandwich are provided with the skins made of fibers and resin materials at the upper part and the lower part as the preferable scheme. The fiber can be selected from carbon fiber, glass fiber, aramid fiber or basalt fiber, and the resin can be selected from epoxy resin.
The thermoplastic material frame can be made of PA (nylon, polyamide), PC (polycarbonate), PP (polypropylene), PPS (polyphenylene sulfide), PET (polyethylene terephthalate), PVC (polyvinyl chloride), PE (polyethylene), TPU (polyurethane), PMMA (polymethyl methacrylate), PEEK (polyether ether ketone) or PC/ABS plastic as a base material.
Has the advantages that: the utility model provides a combine firm combined material panel compares with prior art and has following advantage:
the utility model provides a combine firm combined material panel, structural design is reasonable, adopts the zigzag groove meshing more than 1 to connect, and bonding strength is high, and sound construction connects simple process, and the feature of environmental protection is good.
Drawings
Fig. 1 is a schematic structural diagram of a first cross section of a composite material plate with firm bonding provided by the present invention.
Fig. 2 is a schematic structural diagram of a second cross section of the composite material plate with firm bonding provided by the present invention.
Fig. 3 is a schematic structural view of a first engagement of the composite material plates with firm bonding according to the present invention.
Fig. 4 is a schematic structural diagram of a second engagement of the composite material plates with firm bonding according to the present invention.
Fig. 5 is a schematic structural diagram of a third engagement of the composite material plates with firm bonding according to the present invention.
Fig. 6 is a schematic structural diagram of a fourth engagement of the composite material plates with firm bonding according to the present invention.
Detailed Description
The present invention will be further explained with reference to specific examples, which are to be understood as illustrative only and not as limiting the scope of the invention, and modifications to the various equivalent forms of the invention, which may occur to those skilled in the art upon reading the present invention, fall within the scope of the appended claims.
Example 1
As shown in fig. 1 and 3, a firmly bonded composite material plate comprises a composite material plate 1, a thermoplastic material frame 2 connected to the periphery of the composite material plate 1 by injection molding; the end surface of the composite material plate 1 is cut with a concave-convex surface, and the concave-convex surface of the thermoplastic material filled end surface is combined with the composite material plate 1;
the composite material plate 1 is provided with a sawtooth groove 3, and the composite material plate 1 and the thermoplastic material frame 2 are meshed and connected with each other through the sawtooth groove 3; the two adjacent sawtooth grooves on the composite material plate 1 are the same in shape; 1 groove with the opening size larger than that of the sawtooth groove is formed in the sawtooth groove 3;
the composite material plate 1 comprises a solid plate and a sandwich plate; wherein the sandwich board comprises a solid sandwich and a foaming structure sandwich. The sandwich board is provided with a material layer which can be fused with a thermoplastic material;
the solid sandwich and the foaming structure sandwich are provided with skins made of one or a mixture of carbon fiber or glass fiber and epoxy resin material at the upper and lower parts.
In the composite material plate with the firm bonding, the thicknesses of the composite material plate 1 and the thermoplastic material frame 2 are equal or different.
In the composite material plate with firm combination, the thermoplastic material frame 2 is provided with the raised edge.
Example 2
As shown in fig. 1, 4 and 5, a firmly bonded composite material plate comprises a composite material plate 1, a thermoplastic material frame 2 connected to the periphery of the composite material plate 1 by injection molding; the end surface of the composite material plate 1 is cut with a concave-convex surface, and the concave-convex surface of the thermoplastic material filled end surface is combined with the composite material plate 1;
the composite material plate 1 is provided with a sawtooth groove 3, and the composite material plate 1 and the thermoplastic material frame 2 are meshed and connected with each other through the sawtooth groove 3; the shapes of two adjacent sawtooth grooves on the composite material plate 1 are different; 1 groove with the opening size larger than that of the sawtooth groove is formed in the sawtooth groove 3;
the composite material plate 1 comprises a solid plate and a sandwich plate; wherein the sandwich board comprises a solid sandwich and a foaming structure sandwich; the sandwich board is provided with a material layer which can be fused with thermoplastic materials. . The solid sandwich and the foaming structure sandwich are provided with skins made of one or a mixture of carbon fiber or glass fiber and epoxy resin material at the upper and lower parts.
In the composite material plate with the firm bonding, the thicknesses of the composite material plate 1 and the thermoplastic material frame 2 are equal or different.
In the composite material plate with firm combination, the thermoplastic material frame 2 is provided with the raised edge.
Example 3
As shown in fig. 2 and fig. 6, a firmly bonded composite material plate comprises a composite material plate 1, a thermoplastic material frame 2 connected to the periphery of the composite material plate 1 by injection molding;
the composite material plate 1 is provided with a sawtooth groove 3, and the composite material plate 1 and the thermoplastic material frame 2 are meshed and connected with each other through the sawtooth groove 3; the two adjacent sawtooth grooves 3 on the composite material plate 1 are the same in shape; 2 grooves with opening sizes larger than that of the openings of the sawtooth grooves 3 are formed in the sawtooth grooves 3;
the composite material plate 1 comprises a solid plate and a sandwich plate; wherein the sandwich board comprises a solid sandwich and a foaming structure sandwich. The solid sandwich and the foaming structure sandwich are provided with skins made of fiber and resin materials at the upper and lower parts.
The composite material plate is firmly combined, the composite material plate 1 and the thermoplastic material frame 2 are provided with the steps, and the composite material plate 1 and the thermoplastic material frame 2 are connected in a clamping mode through the sawtooth grooves 3 after being lapped through the steps.
In the composite material plate with firm combination, the thermoplastic material frame 2 is provided with the raised edge.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the spirit of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The composite material plate with firm bonding is characterized by comprising a composite material plate (1) and a thermoplastic material frame (2) connected to the periphery of the composite material plate (1) in an injection molding mode; the end surface of the composite material plate (1) is cut with a concave-convex surface, and the concave-convex surface filled with the thermoplastic material on the end surface is combined with the composite material plate (1);
the composite material plate (1) or the thermoplastic material frame (2) is provided with a sawtooth groove, and the composite material plate (1) and the thermoplastic material frame (2) are meshed and connected with each other through the sawtooth groove; the shapes of two adjacent sawtooth grooves on the composite material plate (1) or the thermoplastic material frame (2) are the same or different; more than 1 groove with opening size larger than the opening of the sawtooth groove is arranged in the sawtooth groove;
the composite material plate (1) comprises a solid plate or a sandwich plate; wherein the sandwich board comprises a solid sandwich and a foaming structure sandwich; the sandwich board is provided with a material layer which can be fused with thermoplastic materials.
2. A composite panel with strong bonding as claimed in claim 1, characterized in that the composite panel (1) and the thermoplastic frame (2) have equal or different thickness.
3. The composite board with firm combination according to claim 1, wherein the combination section of the sandwich layer and the thermoplastic material frame (2) in the sandwich board is not embedded.
4. The composite material plate with the firm combination according to claim 1, wherein steps are arranged on the composite material plate (1) and the thermoplastic material frame (2), and the composite material plate (1) and the thermoplastic material frame (2) are connected in an overlapping mode through the steps and then meshed through sawtooth grooves.
5. The composite material plate with firm combination as claimed in claim 1, wherein the sawtooth grooves are provided with more than 2 to 3 grooves with opening sizes larger than those of the openings of the sawtooth grooves.
6. A composite material panel as claimed in any one of claims 1 to 5 in which the thermoplastic material frame (2) is provided with raised edges.
7. The composite material plate with firm combination as claimed in claim 6, wherein the solid core and the foaming core are provided with outer skins made of fiber and resin materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921942610.8U CN211641179U (en) | 2019-11-12 | 2019-11-12 | Firmly combined composite material plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921942610.8U CN211641179U (en) | 2019-11-12 | 2019-11-12 | Firmly combined composite material plate |
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| Publication Number | Publication Date |
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| CN211641179U true CN211641179U (en) | 2020-10-09 |
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| CN201921942610.8U Active CN211641179U (en) | 2019-11-12 | 2019-11-12 | Firmly combined composite material plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110744871A (en) * | 2019-11-12 | 2020-02-04 | 合肥山秀碳纤科技有限公司 | Firmly combined composite material plate |
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2019
- 2019-11-12 CN CN201921942610.8U patent/CN211641179U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110744871A (en) * | 2019-11-12 | 2020-02-04 | 合肥山秀碳纤科技有限公司 | Firmly combined composite material plate |
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