Carbon fiber prepreg preforming device

Abstract

The utility model discloses a carbon fiber prepreg preforming device which comprises a fixed base, fixed side plates are symmetrically installed on the fixed base, a lower supporting base is installed on the fixed base and located between the fixed side plates, and a lower preforming mold component is installed in the lower supporting base. Supporting vertical plates are symmetrically installed on the fixed base, a fixed transverse plate is installed between the tops of the supporting vertical plates, a compression bolt is arranged at the center of the fixed transverse plate in a threaded and penetrating mode, and the center of the top of the upper sealing baffle is connected with the compression bolt through a bearing. The device has the beneficial effects that the device is simple in structure and convenient to use, the lower prefabricated forming mold component and the upper prefabricated forming mold component are detachably arranged and are convenient to replace, meanwhile, the device is convenient to use, and the production efficiency is improved. The sealing performance between the lower prefabricated forming mold component and the upper prefabricated forming mold component is better.

Description

Technical Field

[0001] The utility model relates to the technical field of prepreg preforming, in particular to a carbon fiber prepreg preforming device. Background Art

[0002] Prepreg, commonly known as molding compound, is a combination of continuous fibers and fabrics impregnated with resin under strictly controlled conditions. It is an intermediate for manufacturing advanced composite materials. It is a structural unit with certain mechanical properties, which can be used for structural design. Some of its properties are directly transplanted into composite products. The quality of prepreg directly affects the quality of composite materials. Prepreg is an intermediate of composite materials. According to the type of resin selected, it can be divided into: thermosetting prepreg and thermoplastic prepreg; according to the type of resin selected, it can be divided into: epoxy prepreg, polyamide prepreg, phenolic prepreg, cyanate prepreg, polysulfone prepreg, polyether prepreg, etc.; according to the type of reinforcement material, it can be divided into: carbon fiber prepreg, glass fiber prepreg, aramid fiber prepreg, basalt fiber prepreg, boron fiber prepreg, etc.; according to the structural type of reinforcement material, it can be divided into: unidirectional fiber prepreg, chopped fiber prepreg, fabric prepreg, etc.

[0003] The existing heating method for carbon fiber prepreg is usually to place the mold in a vacuum bag to evacuate the air, and then put it into an oven for baking. This is relatively cumbersome, and the temperature change of the oven fluctuates greatly, which affects the heating and molding quality of the thermoplastic prepreg. At the same time, the existing carbon fiber prepreg molding mold has a poor sealing effect, which affects the vacuum effect.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a carbon fiber prepreg preforming device.

[0006] In order to achieve the above purpose, the utility model is implemented through the following technical solutions:

[0007] A carbon fiber prepreg preforming device comprises a fixed base, fixed side plates are symmetrically installed on the fixed base, a lower supporting base is installed on the fixed base between the fixed side plates, a lower prefabricated molding mold component is installed in the lower supporting base, supporting vertical plates are symmetrically installed on the fixed base, a fixed horizontal plate is installed between the tops of the supporting vertical plates, a clamping bolt is threadedly penetrated through the center of the fixed horizontal plate, an upper sealing baffle is movably arranged between the supporting vertical plates below the fixed horizontal plate, the top center of the upper sealing baffle is connected to the clamping bolt through a bearing, and an upper prefabricated molding mold component is installed at the bottom of the upper sealing baffle.

[0008] Preferably, an inner cavity is opened in the lower supporting base, an electric heating structure is installed in the inner cavity, the lower prefabricated molding mold component includes a lower prefabricated molding mold located in the inner cavity, a prefabricated molding groove is provided in the lower prefabricated molding mold, an arc-shaped piece is integrally provided on the side of the prefabricated molding groove, and a sealing protrusion is provided on the lower prefabricated molding mold.

[0009] Preferably, a suction hole is provided on one side of the lower prefabricated molding mold, a vacuum suction tube connected to the suction hole is penetrated on one side of the lower supporting base, a positioning strip is integrally connected to the side of the inner cavity, and a positioning groove matching the positioning strip is provided on the outer side of the lower prefabricated molding mold.

[0010] Preferably, the electric heating structure comprises an outer heat-insulating shell, an inner insulation board is installed in the outer heat-insulating shell, an electric heating board is installed on the inner insulation board, and the electric heating board contacts a heat-conducting board located on the outer heat-insulating shell.

[0011] Preferably, the upper sealing baffle is provided with a mounting groove, the upper prefabricated molding mold component includes an upper prefabricated molding mold, the upper prefabricated molding mold is provided with a sealing groove matching the sealing protrusion, and a pressure plate is integrally provided at the center of the upper prefabricated molding mold.

[0012] Preferably, mounting threaded holes are provided at both ends of the upper prefabricated molding mold, and mounting screws are threadedly penetrated at both ends of the upper sealing baffle, and the mounting threaded holes match the mounting screws.

[0013] Preferably, guide slide blocks are integrally connected to both sides of the upper sealing baffle, and guide slide grooves are provided on the inner walls of the supporting vertical plates, and the guide slide blocks are movably arranged in the guide slide grooves.

[0014] The utility model provides a carbon fiber prepreg preforming device, which has the following beneficial effects:

[0015] By installing the fixed side plate on the fixed base, the installation and fixation of the lower supporting base is facilitated, and the lower prefabricated molding mold component is set in the lower supporting base, and installation and disassembly work can be carried out. The supporting vertical plate is used to support the fixed horizontal plate, and the thread of the clamping bolt penetrates the fixed horizontal plate and is connected to the upper sealing baffle through the bearing, and then the upper prefabricated molding mold component is installed on the upper sealing baffle to realize the installation work of the device. The carbon fiber prepreg is placed in the lower prefabricated molding mold component, and the clamping bolt is rotated to lower the upper prefabricated molding mold component, and the lower prefabricated molding mold component is compressed and sealed with the lower prefabricated molding mold component, which is convenient for vacuuming and heating. The device of the present application has a simple structure and is easy to use. The lower prefabricated molding mold component and the upper prefabricated molding mold component are both detachable, which is convenient for replacement. At the same time, the sealing between the lower prefabricated molding mold component and the upper prefabricated molding mold component is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a front view of a carbon fiber prepreg preforming device according to an embodiment of the utility model;

[0018] Figure 2 It is a structural schematic diagram of a lower prefabricated molding die component in a carbon fiber prepreg preforming device according to an embodiment of the utility model;

[0019] Figure 3 It is a structural schematic diagram of an electric heating structure in a carbon fiber prepreg preforming device according to an embodiment of the utility model;

[0020] Figure 4 It is a structural schematic diagram of an upper prefabricated molding die component in a carbon fiber prepreg preforming device according to an embodiment of the utility model;

[0021] Figure 5 It is a schematic diagram of the connection structure of a supporting vertical plate and an upper sealing baffle in a carbon fiber prepreg preforming device according to an embodiment of the utility model.

[0022] In the figure:

[0023] 1. Fixed base; 2. Fixed side plate; 3. Lower supporting base; 4. Lower prefabricated molding die member; 5. Supporting vertical plate; 6. Fixed horizontal plate; 7. Holding bolt; 8. Upper sealing baffle; 9. Bearing; 10. Upper prefabricated molding die member; 11. Electric heating structure; 12. Lower prefabricated molding die; 13. Prefabricated molding groove; 14. Arc sheet; 15. Air suction hole; 16. Vacuum suction tube; 17. Positioning strip; 18. Positioning groove; 19. Sealing protrusion; 20. Inner insulation board; 21. Electric heating board; 22. Heat conducting board; 23. Mounting groove; 24. Upper prefabricated molding die; 25. Sealing groove; 26. Press plate; 27. Mounting threaded hole; 28. Mounting screw; 29. ​​External insulation shell; 30. Guide slide groove; 31. Guide slider. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] See also Figure 1-5 According to an embodiment of the utility model, a carbon fiber prepreg preforming device comprises a fixed base 1, on which a fixed side panel 2 is symmetrically installed, and a lower supporting base 3 is installed on the fixed base 1 between the fixed side panels 2, and a lower prefabricated molding mold component 4 is installed in the lower supporting base 3. By installing the fixed side panel 2 on the fixed base 1, the installation and fixation of the lower supporting base 3 is facilitated, and the lower prefabricated molding mold component 4 is arranged in the lower supporting base 3, so that installation and disassembly work can be performed, and supporting vertical plates 5 are symmetrically installed on the fixed base 1, and a fixed horizontal plate 6 is installed between the tops of the supporting vertical plates 5. A clamping bolt 7 is threadedly penetrated at the center of the fixed horizontal plate 6, and an upper sealing baffle 8 is movably arranged between the supporting vertical plates 5 below the fixed horizontal plate 6, and the top center of the upper sealing baffle 8 is aligned with the clamping bolt 7. The tightening bolts 7 are connected by bearings 9, and an upper prefabricated molding mold component 10 is installed at the bottom of the upper sealing baffle 8. The supporting vertical plate 5 is used to support the fixed horizontal plate 6. The tightening bolts 7 are threaded through the fixed horizontal plate 6 and connected to the upper sealing baffle 8 through the bearings 9, and then the upper prefabricated molding mold component 10 is installed on the upper sealing baffle 8. The installation of the device can be realized. The carbon fiber prepreg is placed in the lower prefabricated molding mold component 4, and the tightening bolts 7 are rotated to lower the upper prefabricated molding mold component 10, and the upper prefabricated molding mold component 10 is pressed and sealed with the lower prefabricated molding mold component 4, which is convenient for vacuuming and heating. The device of the present application has a simple structure and is easy to use. The lower prefabricated molding mold component 4 and the upper prefabricated molding mold component 10 are both detachable, which is convenient for replacement. At the same time, the sealing between the lower prefabricated molding mold component 4 and the upper prefabricated molding mold component 10 is better.

[0026] In one embodiment, please refer to the attached manual. Figure 2 As shown, the lower supporting base 3 is provided with an inner cavity, and an electric heating structure 11 is installed in the inner cavity. The lower prefabricated molding mold component 4 includes a lower prefabricated molding mold 12 located in the inner cavity, and a prefabricated molding groove 13 is provided in the lower prefabricated molding mold 12. The side of the prefabricated molding groove 13 is integrally provided with an arc-shaped piece 14, and a sealing protrusion 19 is provided on the lower prefabricated molding mold 12. A suction hole 15 is provided on one side of the lower prefabricated molding mold 12, and a vacuum suction tube 16 connected with the suction hole 15 is penetrated on one side of the lower supporting base 3. A positioning strip 17 is integrally connected to the side of the inner cavity, and a positioning groove 18 matching the positioning strip 17 is provided on the outer side of the lower prefabricated molding mold 12. The lower prefabricated molding mold 12 is installed in the inner cavity through the provided inner cavity, and the positioning work is performed by using the positioning strip 17 and the positioning groove 18. The provided suction hole 15 is connected to the vacuum suction tube 16, so that the vacuum suction tube 16 is conveniently connected to the external vacuum suction equipment to perform vacuum suction work. The provided prefabricated molding groove 13 is used to place the carbon fiber prepreg, and the arc-shaped sheet 14 facilitates the removal of the carbon fiber prepreg.

[0027] In one embodiment, please refer to the attached manual. Figure 3 As shown, the electric heating structure 11 includes an outer heat-insulating shell 29, an inner insulating plate 20 is installed in the outer heat-insulating shell 29, an electric heating plate 21 is installed on the inner insulating plate 20, and the electric heating plate 21 contacts a heat-conducting plate 22 located on the outer heat-insulating shell 29. The electric heating plate 21 heats the heat-conducting plate 22, so that the heat is transferred to the lower prefabricated molding mold component 4 to achieve heating. The inner insulating plate 20 and the outer heat-insulating shell 29 play the role of insulation and heat insulation, thereby improving safety.

[0028] In one embodiment, please refer to the attached manual. Figure 4 As shown, the upper sealing baffle 8 is provided with a mounting groove 23, the upper prefabricated molding mold component 10 includes an upper prefabricated molding mold 24, the upper prefabricated molding mold 24 is provided with a sealing groove 25 matching the sealing protrusion 19, a pressing plate 26 is integrally provided at the center of the upper prefabricated molding mold 24, mounting threaded holes 27 are provided at both ends of the upper prefabricated molding mold 24, and mounting screws 28 are threadedly penetrated at both ends of the upper sealing baffle 8, and the mounting threaded holes 27 match the mounting screws 28. The upper prefabricated molding mold 24 is installed through the provided mounting groove 23, and is installed and fixed through the mounting threaded holes 27 and the mounting screws 28, and the provided sealing groove 25 cooperates with the sealing protrusion 19 to achieve a sealed connection between the upper prefabricated molding mold 24 and the lower prefabricated molding mold 12.

[0029] In one embodiment, please refer to the attached manual. Figure 5As shown, guide sliders 31 are integrally connected to both sides of the upper sealing baffle 8, and guide slots 30 are provided on the inner wall of the supporting vertical plate 5, and the guide sliders 31 are movably arranged in the guide slots 30. The guide sliders 31 cooperate with the guide slots 30 to make the upper sealing baffle 8 more stable when it is lifted or lowered.

[0030] When the upper and lower parts of the mold are in a state of being loose, the upper and lower parts of the mold are easily broken, and the upper and lower parts of the mold are easily broken.

[0031] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A carbon fiber prepreg preforming device, characterized in that: The invention comprises a fixed base (1), fixed side plates (2) are symmetrically mounted on the fixed base (1), a lower support base (3) is mounted on the fixed base (1) and located between the fixed side plates (2), a lower prefabricated molding die component (4) is mounted in the lower support base (3), support vertical plates (5) are symmetrically mounted on the fixed base (1), a fixed horizontal plate (6) is mounted between the tops of the support vertical plates (5), a clamping bolt (7) is threadedly penetrated at the center of the fixed horizontal plate (6), an upper sealing baffle (8) is movably mounted below the fixed horizontal plate (6) and located between the support vertical plates (5), the top center of the upper sealing baffle (8) is connected to the clamping bolt (7) via a bearing (9), and an upper prefabricated molding die component (10) is mounted at the bottom of the upper sealing baffle (8).

2. A carbon fiber prepreg preforming device according to claim 1, characterized in that: The lower support base (3) is provided with an inner cavity, an electric heating structure (11) is installed in the inner cavity, the lower prefabricated molding mold component (4) comprises a lower prefabricated molding mold (12) located in the inner cavity, a prefabricated molding groove (13) is provided in the lower prefabricated molding mold (12), a curved piece (14) is integrally provided on the side of the prefabricated molding groove (13), and a sealing protrusion (19) is provided on the lower prefabricated molding mold (12).

3. A carbon fiber prepreg preforming device according to claim 2, characterized in that: An air suction hole (15) is provided on one side of the lower prefabrication molding die (12); a vacuum suction pipe (16) connected to the air suction hole (15) is provided through one side of the lower support base (3); a positioning strip (17) is integrally connected to the side of the inner cavity; and a positioning groove (18) matching the positioning strip (17) is provided on the outer side of the lower prefabrication molding die (12).

4. A carbon fiber prepreg preforming device according to claim 3, characterized in that: The electric heating structure (11) comprises an outer heat-insulating shell (29), an inner insulation plate (20) is installed inside the outer heat-insulating shell (29), an electric heating plate (21) is installed on the inner insulation plate (20), and the electric heating plate (21) is in contact with a heat-conducting plate (22) located on the outer heat-insulating shell (29).

5. A carbon fiber prepreg preforming device according to claim 4, characterized in that: The upper sealing baffle (8) is provided with a mounting groove (23), the upper prefabricated molding die component (10) comprises an upper prefabricated molding die (24), the upper prefabricated molding die (24) is provided with a sealing groove (25) matching the sealing protrusion (19), and a pressing plate (26) is integrally provided at the center of the upper prefabricated molding die (24).

6. A carbon fiber prepreg preforming device according to claim 5, characterized in that: The upper prefabricated molding die (24) is provided with mounting threaded holes (27) at both ends, and mounting screws (28) are threadedly penetrated at both ends of the upper sealing baffle (8), and the mounting threaded holes (27) match the mounting screws (28).

7. A carbon fiber prepreg preforming device according to claim 6, characterized in that: Guide slide blocks (31) are integrally connected to both sides of the upper sealing baffle (8), a guide slide groove (30) is provided on the inner wall of the supporting vertical plate (5), and the guide slide block (31) is movably arranged in the guide slide groove (30).

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