CN219855644U - Preparation mold for thermoplastic continuous carbon fiber composite corner connector - Google Patents
Preparation mold for thermoplastic continuous carbon fiber composite corner connector Download PDFInfo
- Publication number
- CN219855644U CN219855644U CN202320677074.3U CN202320677074U CN219855644U CN 219855644 U CN219855644 U CN 219855644U CN 202320677074 U CN202320677074 U CN 202320677074U CN 219855644 U CN219855644 U CN 219855644U
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- groove
- pressure
- carbon fiber
- pressing
- fiber composite
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- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 27
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 27
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 23
- 239000004416 thermosoftening plastic Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 238000003825 pressing Methods 0.000 claims abstract description 72
- 238000007493 shaping process Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims description 18
- 239000000498 cooling water Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 239000004696 Poly ether ether ketone Substances 0.000 description 7
- 229920002530 polyetherether ketone Polymers 0.000 description 7
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011157 advanced composite material Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The preparation mould for the thermoplastic continuous carbon fiber composite corner connector comprises a pressing part and a pressure-bearing groove which are oppositely arranged and matched with the pressing part, wherein a shaping space is arranged between the pressing part and the pressure-bearing groove; a plurality of guide posts are arranged on one side of the pressure applying part facing the pressure bearing groove, and the pressure bearing groove is provided with guide grooves which are arranged opposite to the guide posts. The utility model adopts the pressing part and the pressure-bearing groove to form a shaping space, and then under the action of the guide post and the guide groove, the pressing part can stably slide in the pressure-bearing groove, thereby ensuring the quality of the workpiece after the thermoplastic pressing of the composite corner connector.
Description
Technical Field
The utility model relates to a preparation mold for a thermoplastic continuous carbon fiber composite corner connector.
Background
The corner connector commonly called as corner piece is a connecting piece for connecting 90-degree right-angle intersecting members, and is usually a hardware for supporting objects, the model and form of the corner connector and the type of materials are determined according to the stress of the connected members, and various types of models exist, such as steel corner connector, plastic corner connector, thermosetting composite corner connector, thermoplastic composite corner connector and the like.
Thermoplastic materials have the property of being capable of undergoing flow deformation when heated and retaining a shape after cooling. Therefore, the method can be carried out by adopting a mould production mode, and common thermoplastic substances such as polyether-ether-ketone are linear aromatic high molecular compounds containing chain links in a molecular main chain. The structural unit is oxygen-p-phenylene-carbonyl-p-phenylene, is semicrystalline and thermoplastic plastic, has a melting point of 343 ℃, and has the characteristics of high mechanical strength, high temperature resistance, impact resistance, corrosion resistance, hydrolysis resistance, wear resistance and fatigue resistance. Carbon fiber can be added into the material as a composite material, and the carbon fiber mainly comprises carbon element, is a high-strength and high-modulus fiber material with carbon content of more than 95%, and has the characteristics of high temperature resistance, friction resistance, heat conduction, corrosion resistance and the like. The graphite crystallite structure has high strength and modulus along the fiber axis direction because of the preferential orientation along the fiber axis. The density is small, the specific strength and the specific modulus are high, the peristaltic motion is avoided, and the high temperature resistance, friction resistance and fatigue resistance are realized under a non-oxidation annular state; specific heat and conductivity are between nonmetal and metal, and the heat expansion coefficient is small, the anisotropy is provided, and the corrosion resistance is good. The main purpose of the carbon fiber is to manufacture advanced composite materials as reinforcing materials and resins, and the specific strength and specific modulus are highest among the existing engineering materials.
The traditional method of thermoplastic continuous carbon fiber composite corner connector is to adopt PEEK carbon fiber fabric or PEEK carbon fiber unidirectional tape to be layered and molded into right-angle plates according to the relative proportion weight, and then the corner connector is processed by CNC processing means. Because the corner connector is more in type, the right-angle plate is directly formed, the layering is troublesome, the compression molding is complex, and the efficiency is low.
Disclosure of Invention
In order to solve the problems, the utility model provides a preparation mould for a thermoplastic continuous carbon fiber composite corner brace, which comprises a pressing part and a pressure-bearing groove, wherein the pressing part and the pressure-bearing groove are oppositely arranged, the pressure-bearing groove is matched with the pressing part, and a shaping space is arranged between the pressing part and the pressure-bearing groove; a plurality of guide posts are arranged on one side of the pressure applying part facing the pressure bearing groove, and the pressure bearing groove is provided with guide grooves which are arranged opposite to the guide posts. The utility model adopts the pressing part and the pressure-bearing groove to form a shaping space, and then under the action of the guide post and the guide groove, the pressing part can stably slide in the pressure-bearing groove, thereby ensuring the quality of the workpiece after the thermoplastic pressing of the composite corner connector.
Preferably, the pressing part comprises an upper heating element, an upper connecting plate is fixedly arranged below the upper heating element through a connecting bolt, and a convex pressing plate is arranged below the upper connecting plate.
Preferably, the convex pressing plate comprises a pressing plate base, and the pressing plate base is provided with a pressing plate body.
Preferably, an upper heat insulation layer is further arranged on the outer side of the convex pressing plate, and the guide post is fixedly inserted on the pressing plate base; the height of the upper heat preservation layer is higher than that of the pressing plate base. The pressing plate base is a basis for temperature adjustment, can be heated by the upper heating piece and can be cooled by the upper cooling water pipe, so that the requirements of composite plastic deformation of the temperatures and the temperature change trend of the convex pressing plate and the concave pressing groove in the pressing process are met.
Preferably, an upper cooling water pipe is provided on the platen base.
Preferably, the pressure-bearing groove comprises a lower heating part, a lower connecting plate is fixedly connected above the lower heating part through a fixing bolt, a concave pressure groove is arranged above the lower connecting plate, and the molding space is arranged between the convex pressing plate and the concave pressure groove.
Preferably, the concave pressing groove comprises a groove base, and the groove base is provided with a groove body.
Preferably, a lower heat insulation layer is arranged on the outer side of the concave pressing groove, the guide groove is arranged on the groove base, and the guide groove consists of a copper pipe; the height of the lower heat-insulating layer is lower than that of the concave pressing groove. The guide groove is formed by adopting the copper pipe, so that the reliability of the insertion sliding between the guide groove and the guide post is ensured, and the reliability of the feeding process in the pressing process is ensured.
Preferably, the upper heat-insulating layer and the lower heat-insulating layer are in sealing abutting connection.
Preferably, a lower cooling water pipe is arranged on the groove base.
The utility model has the following beneficial effects:
1. the utility model adopts the pressing part and the pressure-bearing groove to form a shaping space, and then under the action of the guide post and the guide groove, the pressing part can stably slide in the pressure-bearing groove, thereby ensuring the quality of the workpiece after the thermoplastic pressing of the composite corner connector.
2. The pressing plate base is a basis for temperature adjustment, can be heated by the upper heating piece and can be cooled by the upper cooling water pipe, so that the requirements of composite plastic deformation of the temperatures and the temperature change trend of the convex pressing plate and the concave pressing groove in the pressing process are met.
3. The guide groove is formed by adopting the copper pipe, so that the reliability of the insertion sliding between the guide groove and the guide post is ensured, and the reliability of the feeding process in the pressing process is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic diagram of a composite corner key production process.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings.
In a first embodiment, as shown in fig. 1-2, a preparation mold for a thermoplastic continuous carbon fiber composite corner brace comprises a pressing part 1 and a pressure-bearing groove 2 which are arranged oppositely, wherein the pressure-bearing groove 2 is matched with the pressing part 1, and a shaping space 3 is arranged between the pressing part 1 and the pressure-bearing groove 2; a plurality of guide posts 4 are arranged on one side of the pressure part 1 facing the pressure-bearing groove 2, and a guide groove 5 which is arranged opposite to the guide posts 4 is arranged on the pressure-bearing groove 2.
When the PEEK carbon fiber composite plate is used, the PEEK carbon fiber composite plate is placed above the pressure-bearing groove 2, then the pressure-bearing groove 2 and the pressure-bearing part 1 are pressed by external force, and under the guiding action of the guide groove 5 and the guide column 4, the composite plate is deformed according to the shape of the molding space, and then the first two operations are completed.
In a second embodiment, as shown in fig. 1-2, a preparation mold for a thermoplastic continuous carbon fiber composite corner brace comprises a pressing part 1 and a pressure-bearing groove 2 which are oppositely arranged and matched with the pressing part 1, wherein a shaping space 3 is arranged between the pressing part 1 and the pressure-bearing groove 2; a plurality of guide posts 4 are arranged on one side of the pressure part 1 facing the pressure-bearing groove 2, and a guide groove 5 which is arranged opposite to the guide posts 4 is arranged on the pressure-bearing groove 2. The pressing part 1 comprises an upper heating element 6, an upper connecting plate 8 is fixedly arranged below the upper heating element 6 through a connecting bolt 7, and a convex pressing plate 9 is arranged below the upper connecting plate 8. The male platen 9 includes a platen base 10, and a platen body 11 is provided on the platen base 10. An upper heat insulation layer 12 is further arranged on the outer side of the convex pressing plate 9, and the guide post 4 is fixedly inserted on the pressing plate base 10; the upper insulation layer 12 is higher than the platen base 10. An upper cooling water pipe 13 is provided on the platen base 10. The pressure-bearing groove 2 comprises a lower heating element 14, a lower connecting plate 16 is fixedly connected above the lower heating element 14 through a fixing bolt 15, a concave pressure groove 17 is arranged above the lower connecting plate 16, and a molding space is arranged between the convex pressing plate 9 and the concave pressure groove 17. The concave pressing groove 17 comprises a groove base 18, and a groove body 19 is arranged on the groove base 18. A lower heat insulation layer 20 is arranged on the outer side of the concave pressing groove 17, the guide groove 5 is arranged on the groove base 18, and the guide groove 5 consists of a copper pipe 21; the lower insulation layer 20 has a lower height than the concave indent 17. The upper heat preservation layer 12 is in sealing abutting connection with the lower heat preservation layer 20. A lower cooling water pipe 22 is provided on the groove base 18.
When the die is used, the die is mounted on the hydraulic press, the die can be smoothly opened and closed by the debugged equipment, the guide groove 5 and the guide post 4 are smoothly matched without clamping, and limit control is well performed. Starting a hydraulic press to slowly close the die, starting a heating system to enable the temperature of an upper heating element 6 to be 300 ℃ and the temperature of a lower heating element 14 to be 300 ℃, putting the PEEK carbon fiber composite board into a high-temperature oven, and setting the temperature of the oven to be 340 ℃; when the temperature of the high-temperature oven reaches 340 ℃, preserving heat for a period of time, starting a hydraulic press to start the die when the temperature of the upper die and the lower die of the die reaches 300 ℃, placing PEEK carbon fiber composite flat plate blanks in the high-temperature oven above a concave pressing groove by using a tool, quickly lowering the upper die part of the die to smoothly clamp the die, setting a certain pressure for the hydraulic press, preserving heat and maintaining pressure for 2 minutes. And after the heat preservation and pressure maintaining are finished, closing the heating, starting the cooling, performing forced water cooling through an upper cooling water pipe and a lower cooling water pipe, and opening the die to take out the blank when the temperature is reduced to 200 ℃, thus finishing the first two operations.
The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.
Claims (10)
1. A preparation mould for thermal plastic continuous carbon fiber composite corner connector is characterized in that: the device comprises a pressing part and a pressure-bearing groove, wherein the pressing part and the pressure-bearing groove are oppositely arranged, and a shaping space is arranged between the pressing part and the pressure-bearing groove; a plurality of guide posts are arranged on one side of the pressure applying part facing the pressure bearing groove, and the pressure bearing groove is provided with guide grooves which are arranged opposite to the guide posts.
2. The preparation mold for thermoplastic continuous carbon fiber composite corner connector according to claim 1, wherein: the pressing part comprises an upper heating piece, an upper connecting plate is fixedly arranged below the upper heating piece through a connecting bolt, and a convex pressing plate is arranged below the upper connecting plate.
3. The preparation mold for thermoplastic continuous carbon fiber composite corner connector according to claim 2, wherein: the convex pressing plate comprises a pressing plate base, and a pressing plate body is arranged on the pressing plate base.
4. A preparation mould for thermoplastic continuous carbon fiber composite corner fitting according to claim 3, characterized in that: an upper heat-insulating layer is further arranged on the outer side of the convex pressing plate, and the guide post is fixedly inserted on the pressing plate base; the height of the upper heat preservation layer is higher than that of the pressing plate base.
5. A preparation mould for thermoplastic continuous carbon fiber composite corner fitting according to claim 3, characterized in that: an upper cooling water pipe is arranged on the pressing plate base.
6. The preparation mold for thermoplastic continuous carbon fiber composite corner connector according to claim 4, wherein: the pressure-bearing groove comprises a lower heating part, a lower connecting plate is fixedly connected above the lower heating part through a fixing bolt, a concave pressing groove is formed above the lower connecting plate, and the molding space is arranged between the convex pressing plate and the concave pressing groove.
7. The preparation mold for thermoplastic continuous carbon fiber composite corner fitting according to claim 6, wherein: the concave pressing groove comprises a groove base, and a groove body is arranged on the groove base.
8. The preparation mold for thermoplastic continuous carbon fiber composite corner fitting according to claim 7, wherein: the outer side of the concave pressing groove is also provided with a lower heat insulation layer, the guide groove is arranged on the groove base, and the guide groove consists of a copper pipe; the height of the lower heat-insulating layer is lower than that of the concave pressing groove.
9. The preparation mold for thermoplastic continuous carbon fiber composite corner fitting according to claim 8, wherein: the upper heat preservation layer is in sealing abutting connection with the lower heat preservation layer.
10. The preparation mold for thermoplastic continuous carbon fiber composite corner fitting according to claim 6, wherein: a lower cooling water pipe is arranged on the groove base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320677074.3U CN219855644U (en) | 2023-03-28 | 2023-03-28 | Preparation mold for thermoplastic continuous carbon fiber composite corner connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320677074.3U CN219855644U (en) | 2023-03-28 | 2023-03-28 | Preparation mold for thermoplastic continuous carbon fiber composite corner connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219855644U true CN219855644U (en) | 2023-10-20 |
Family
ID=88372816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320677074.3U Active CN219855644U (en) | 2023-03-28 | 2023-03-28 | Preparation mold for thermoplastic continuous carbon fiber composite corner connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219855644U (en) |
-
2023
- 2023-03-28 CN CN202320677074.3U patent/CN219855644U/en active Active
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