Hot pressing device for preparing carbon composite material

Abstract

The utility model discloses a hot pressing device for preparing a carbon composite material, and relates to the technical field of carbon fiber material processing. The ends, away from the foot pipes, of the supporting pipes are connected with a working platform, a static pressing plate is arranged on the working platform, and a movable pressing plate is arranged on the working platform. The handle drives the first connecting rod and the second connecting rod to enable the two vertical pressing plates to press a product placed on the workbench, in the cooling process of the product, the pressure of the pressing plates on the product is kept within about 30-50 minutes, and in the time period, the product is kept stable under the action of the pressing plates and cannot be bent and deformed, so that the production efficiency is improved, and the production cost is reduced. When the pressure is maintained, the product is gradually cooled and solidified, the product does not deform in the cooling process due to the action of the pressing plate, the material shrinks due to temperature change in the cooling and solidifying process of the product, the shrinkage force can be counteracted by maintaining the constant pressure, and bending or deformation of the product caused by uneven shrinkage is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to carbon fiber material processing technical field, concretely relates to a kind of hot-pressing device for carbon composite material preparation. BACKGROUND

[0002] A kind of hot-pressing device for carbon composite material preparation is mainly used to produce carbon fiber reinforced composite material (CFRP) product, the device is formed and solidified carbon fiber composite material by high temperature and high pressure process, carbon fiber and resin matrix material are placed in mould, high temperature and high pressure are applied by hot-pressing device, carbon fiber and resin matrix material are tightly combined, predetermined shape and size are formed, hot-pressing process helps to improve the mechanical properties of composite material, such as strength, stiffness and durability, high temperature and high pressure help resin to fully penetrate carbon fiber, form uniform composite material structure, hot-pressing device can produce complex shape carbon fiber composite material product, such as aircraft parts, automobile parts, sports equipment etc.;

[0003] Chinese patent authorized announcement number CN214927263U, name is the preparation device of high-thermal-conductivity carbon fiber composite material, including hot-pressing platform, hot-pressing platform is equipped with positioning frame, and hot-pressing platform upper end surface is equipped with prepreg positioning structure, and positioning frame is equipped with the material scraping assembly for scraping prepreg and can be axially moved along hot-pressing platform by sliding mechanism on both sides of hot-pressing platform, material scraping assembly both ends are connected with sliding mechanism, and positioning frame is equipped with the mould pressing assembly that is correspondingly arranged with hot-pressing platform upper end surface, and the driving cylinder that can drive positioning frame to lift and move so as to mutually adhere or separate with hot-pressing platform is connected on the upper end of mould pressing assembly.The utility model has the advantages of being capable of effectively positioning and scraping prepreg, improving impregnation effect;

[0004] The above scheme has the following disadvantages: although the above scheme can effectively position and scrape prepreg, there is lack of effective pressure maintaining and cooling measures for high-temperature products after demolding. After demolding, the product is directly placed in the environment for natural cooling. Due to the lack of external constraints, the product is prone to deformation such as bending and warping due to uneven thermal shrinkage during the cooling process, which affects the dimensional accuracy and shape stability of the final product. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a hot-pressing device for carbon composite material preparation to solve the problem of deformation of hot-pressed products during the cooling process due to the lack of stable external force.

[0006] The technical problem to be solved by the utility model can be solved by the following technical solutions:

[0007] A hot-pressing device for carbon composite material preparation, comprising two groups of support pipes.

[0008] The working platform is provided with a static pressure plate, and a dynamic pressure plate is arranged on the working platform.

[0009] The working platform is provided with a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are provided with a workbench at a side away from the working platform, a connecting rod base is connected between the first connecting rod and the second connecting rod, a hinge is connected between one end of the second connecting rod and the dynamic pressure plate, a bearing seat is arranged on the working platform, a lead screw is connected in the bearing seat, one end of the lead screw is fixedly connected with a handle, the lead screw is rotatably connected with an edge position of the working platform through the bearing seat, the other end of the lead screw penetrates into an inner side of the first connecting rod and is threadedly connected with the first connecting rod, and the first connecting rod is slidably attached to the workbench.

[0010] As a further scheme of the utility model, the working platform bottom is connected with a cross pipe, two groups of the support pipes are connected with a connecting pipe, the support pipes are connected with foot pipes at the ends, the working platform is provided with a track, and the track is arranged in cooperation with the dynamic pressure plate.

[0011] As a further scheme of the utility model, the static pressure plate is made of aluminum alloy.

[0012] As a further scheme of the utility model, the dynamic pressure plate is made of aluminum alloy.

[0013] As a further scheme of the utility model, the static pressure plate is connected with a support plate at one side, and the support plate is L-shaped.

[0014] As a further scheme of the utility model, the support plate is a steel structure.

[0015] As a further scheme of the utility model, the workbench is a smooth platform.

[0016] As a further scheme of the utility model, the workbench is connected with a baffle at the end.

[0017] As a further scheme of the utility model, the handle is long-strip-shaped.

[0018] As a further scheme of the utility model, the handle is provided with anti-skid lines.

[0019] The utility model has the advantages of the following:

[0020] 1. The utility model discloses a handle drives connecting rod one and connecting rod two, makes two vertical pressing plate compress the product placed on the work platform, keeps the pressure of pressing plate to the product in the product cooling process, needs about thirty to fifty minutes, the product keeps stable under the action of pressing plate in this time period, and the bending deformation does not occur, and the product gradually cools and solidifies while keeping the pressure, due to the action of pressing plate, the product does not occur deformation in the cooling process, and the material can produce shrinkage because of temperature change in the product cooling and solidification process, keeps constant pressure and can offset this shrinkage force, prevents the bending or deformation of product from the uneven shrinkage, through keeping pressure, ensure that the size and shape of product after cooling meet the design requirement.

[0021] 2. The utility model discloses the product after forming is under high temperature state from the mould, due to the higher temperature, product is soft before cooling to room temperature completely, and it is easy to bend and deform, in order to avoid the deformation of product in the cooling process, places the product after demoulding on the workbench immediately, and the workbench is a smooth platform, and its end is connected with the baffle and is used for preventing product from falling, due to the soft product under high temperature state, it is easy to bend and deform. Through using the baffle, the movement range of product can be limited, and the deformation caused by uneven shrinkage in the cooling process is reduced, and the smooth workbench helps product surface to contact with air, improves heat exchange efficiency, to speed up the cooling speed. DRAWINGS

[0022] The utility model will be further explained in connection with the drawings.

[0023] Figure 1 It is the whole sectional view structure schematic diagram of the utility model;

[0024] Figure 2 It is the overhead structure schematic diagram of the utility model;

[0025] Figure 3 It is the whole structure schematic diagram in the utility model;

[0026] Figure 4 It is the connecting structure schematic diagram of dynamic pressing plate and connecting rod one and connecting rod two in the utility model.

[0027] In the drawing: 1, connecting rod one;2, connecting rod two;3, workbench;4, baffle;5, dynamic pressing plate;6、

[0028] Static pressing plate;7, support plate;8, work platform;9, cross pipe;10, support pipe;11, foot pipe;12, coupling pipe;13, bearing seat;14, handle;15, hinge;16, track;17, screw;18, connecting rod seat. DETAILED DESCRIPTION

[0029] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0030] As shown in Figures 1-4 A kind of hot-pressing device for carbon composite material preparation, including two groups of support pipe 10, two groups of the support pipe 10 are connected with coupling pipe 12, two groups of the support pipe 10 end are connected with foot pipe 11, the end of the support pipe 10 away from foot pipe 11 is connected with working platform 8, the bottom of the working platform 8 is connected with cross pipe 9, the working platform 8 is connected with static pressure plate 6, the working platform 8 is equipped with dynamic pressure plate 5, the static pressure plate 6 is made of aluminium alloy material, the dynamic pressure plate 5 is made of aluminium alloy material, the static pressure plate 6 one side is connected with support plate 7, the support plate 7 is L-shaped, the support plate 7 is steel structure body;

[0031] The working platform 8 is connected with connecting rod one 1 and connecting rod two 2, the side of the connecting rod one 1 and connecting rod two 2 away from working platform 8 is provided with workbench 3, the connecting rod one 1 and connecting rod two 2 are connected with connecting rod seat 18, the end of the connecting rod two 2 and dynamic pressure plate 5 are connected with hinge 15, the workbench 3 is smooth platform, the end of the workbench 3 is connected with baffle 4, the working platform 8 is connected with bearing seat 13;The working platform 8 is equipped with track 16, the track 16 is matched with dynamic pressure plate 5, the bearing seat 13 is connected with lead screw 17, one end of the lead screw 17 is fixedly connected with handle 14, the handle 14 is long strip-shaped, the handle 14 is distributed with anti-skid line, and the lead screw 17 is rotationally connected with the edge position of the working platform 8 through the bearing seat 13, that is, the lead screw 17 can rotate, the other

[0032] end of the lead screw 17 penetrates to the inside of connecting rod one 1, and both are threadedly connected, connecting rod one 1 is slidably attached on workbench 3, that is, connecting rod one 1 can slide transversely along workbench 3, connecting rod two 2 moves under the pushing of lead screw 17;When rotating handle 14, the rotary motion of handle 14 is transmitted through lead screw 17, lead screw 17 starts to rotate under the rotation of handle 14, the rotation of lead screw 17 will drive connecting rod one 1 to move along the axial direction of lead screw 17, at the same time, connecting rod two 2 moves with connecting rod one 1, the movement of connecting rod two 2 drives dynamic pressure plate 5 to move, with the movement of connecting rod two 2, vertical direction force is applied to dynamic pressure plate 5, so as to press dynamic pressure plate 5 and static pressure plate 6 tightly.

[0033] The utility model discloses a working principle: carbon fiber composite material is treated in the mould through high temperature and high pressure, and makes its form the required board or part, and the product after forming is released from the mould under high temperature (110-160 DEG C) state. Because temperature is higher, product is soft before cooling to room temperature completely, and is easy to bend and deform, in order to avoid product deformation in the cooling process, the product after demoulding is placed immediately on workbench 3, and workbench 3 is a smooth platform, and the end is connected with baffle 4, is used to prevent product from sliding, and hinge 15 is connected between the one end of connecting rod two 2 and dynamic pressure plate 5, when screw rod 17 rotates and pushes connecting rod two 2 to move, connecting rod two 2 drives dynamic pressure plate 5 to move away from static pressure plate 6, and product is placed vertically in dynamic pressure plate 5, static pressure plate 6 and is pressed tightly, and workbench 3 and dynamic pressure plate 5, static pressure plate 6 are perpendicular 90 degrees, and product is cooled after static pressure 30 minutes in dynamic pressure plate 5, static pressure plate 6, and then is placed on workbench 3 to carry out the inspection of size and appearance, and in product cooling process, keep the pressure of pressure plate to product, and it needs about thirty to fifty minutes, and in this time period, product keeps stable under the action of pressure plate, and will not bend and deform, and gradually cool and solidify while keeping the pressure of pressure plate, and product will not deform in the cooling process due to the action of pressure plate, when product cools completely and solidifies, release the pressure of pressure plate to product, and take out product, and after taking out product, place on workbench 3 to carry out the inspection of size, appearance and weight, and the hot-pressing device can keep the shape of product in the cooling process, prevents the deformation due to uneven cooling, thereby ensuring the quality of carbon composite material product, and simultaneously, this design will not affect production progress, because the next mould product has not reached demoulding time.

[0034] The above embodiment of the utility model has been described in detail, but the content is only the preferred embodiment of the utility model, and cannot be considered as used for limiting the implementation scope of the utility model. Any equivalent change and improvement in the application scope of the utility model should still belong to the patent coverage scope of the utility model.

Claims

1. A hot pressing device for preparing carbon composite material, comprising two groups of support pipes (10); characterized in that: one end of the support pipe (10) away from the foot pipe (11) is connected with a working platform (8), the working platform (8) is provided with a static pressure plate (6), and the working platform (8) is provided with a dynamic pressure plate (5); the working platform (8) is provided with a connecting rod one (1) and a connecting rod two (2), one side of the connecting rod one (1) and the connecting rod two (2) away from the working platform (8) is provided with a workbench (3), the connecting rod one (1) and the connecting rod two (2) are connected with a connecting rod seat (18), one end of the connecting rod two (2) and the dynamic pressure plate (5) are connected with a hinge (15), the working platform (8) is provided with a bearing seat (13), the bearing seat (13) is connected with a lead screw (17), one end of the lead screw (17) is fixedly connected with a handle (14), the lead screw (17) is rotationally connected with the edge position of the working platform (8) through the bearing seat (13), the other end of the lead screw (17) penetrates to the inner side of the connecting rod one (1), and the two are threadedly connected, and the connecting rod one (1) is slidably attached to the workbench (3). The bottom of the working platform (8) is connected with a cross pipe (9), the two groups of support pipes (10) are connected with a connecting pipe (12), the end portions of the two groups of support pipes (10) are connected with foot pipes (11), the working platform (8) is provided with a track (16), and the track (16) is matched with the dynamic pressure plate (5). The static pressure plate (6) is made of aluminum alloy.

2. The hot press apparatus for preparing a carbon composite material according to claim 1, wherein The dynamic pressure plate (5) is made of aluminum alloy.

3. The hot-pressing apparatus for manufacturing a carbon composite material according to claim 1, wherein One side of the static pressure plate (6) is connected with a support plate (7), and the support plate (7) is L-shaped.

4. The hot-pressing apparatus for manufacturing a carbon composite material according to claim 1, wherein The support plate (7) is a steel structure.

5. The hot-pressing apparatus for manufacturing a carbon composite material according to claim 1, wherein The workbench (3) is a smooth platform.

6. The hot-pressing apparatus for manufacturing a carbon composite material according to claim 5, wherein The end portion of the workbench (3) is connected with a baffle (4).

7. The hot-pressing apparatus for manufacturing a carbon composite material according to claim 1, wherein The handle (14) is long strip-shaped.

8. The hot-pressing apparatus for manufacturing a carbon composite material according to claim 1, wherein The handle (14) is provided with anti-skid lines.

9. The hot-pressing apparatus for manufacturing a carbon composite material according to claim 1, wherein ​ 10. The hot-pressing apparatus for manufacturing a carbon composite material according to claim 1, wherein ​

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