Repair system for fiber reinforced composite material

Abstract

The utility model belongs to the technical field of composite material manufacturing, and particularly discloses a fiber reinforced composite material repairing system which comprises a conveying device, and a positioning module, a cleaning module, a filling module, a curing module and a polishing module are sequentially arranged over the conveying device. The positioning module is used for positioning the defect position of the fiber reinforced composite material, the cleaning module is used for cleaning a to-be-repaired area to achieve the surface oil stain removal effect, and the filling module is used for filling the cleaned repaired area with resin; and the curing module is used for curing the filled resin, and the polishing module is used for polishing the cured uneven area. The utility model provides a repairing system for a fiber reinforced composite material, which not only can accurately position a defect area needing to be repaired, but also can carry out a series of continuous operations of cleaning, filling, curing and polishing on the repaired area of a workpiece through different processing modules, and finally, an efficient and reliable repairing production process of the fiber reinforced composite material is realized.

Description

Technical Field

[0001] This utility model belongs to the field of composite material manufacturing technology and relates to a repair system for fiber-reinforced composite materials. Background Technology

[0002] In recent years, with the rapid development of new energy vehicles, their electronic components have gradually become lighter. Lightweighting, especially for automotive chassis and control systems, places high demands on strength, lightness, and safety. Fiber-reinforced composite materials (FRPs) are widely used in the automotive industry due to their low density, high strength, corrosion resistance, designability, strong shock absorption, and excellent flame retardant properties. However, during the current production process, FRPs are prone to surface defects, leading to a decrease in strength at the defective areas and affecting their use. Existing repair methods mainly rely on manual labor, including grinding, impregnation with slurry or adhesive, and surface painting to achieve a satisfactory appearance and repair the surface defects of FRPs. Patent CN116278070A discloses a method for repairing the surface of carbon fiber tubes. This method involves primary grinding, adhesive application, curing, secondary grinding, and protective layer coating to complete the repair. Although it involves large-area resin filling, the process lacks the continuity of automated production, has a long production cycle, and is inefficient. Summary of the Invention

[0003] In view of this, the present invention provides a repair system for fiber-reinforced composite materials, which can accurately locate the defective area that needs to be repaired, and can also perform a series of continuous operations such as cleaning, filling, curing and polishing of the repair area of ​​the workpiece through different processing modules, so as to achieve an efficient and reliable fiber-reinforced composite material repair production process.

[0004] To address the aforementioned problems, embodiments of this utility model provide a repair system for fiber-reinforced composite materials, characterized in that:

[0005] The system includes a conveying device, above which are sequentially arranged a positioning module, a cleaning module, a filling module, a curing module, and a polishing module. The conveying device moves horizontally. The positioning module first locates the defect position of the fiber-reinforced composite material. The cleaning module cleans the area to be repaired to remove surface oil stains. The filling module then fills the cleaned repair area with resin. The curing module cures the filled resin, and the polishing module polishes the uneven areas after curing.

[0006] Furthermore, the conveying device includes a conveyor belt with a fixing groove and a buckle. The fiber-reinforced composite material to be repaired is fixed on the conveyor belt by the fixing groove and the buckle. The buckle can be fixed to the fixing groove by mechanical means such as screws.

[0007] Furthermore, the conveying device includes a transmission assembly, wherein the transmission assembly includes a drive wheel, which is mounted on a transmission shaft, and the drive wheel rotates to drive the driven wheel to rotate via a conveyor belt.

[0008] Furthermore, the cleaning module includes an atmospheric pressure plasma cleaning spray gun, a gas source control component, and moving parts. The atmospheric pressure plasma cleaning spray gun is fixed on the moving parts, and the high-speed airflow and plasma generated are controlled by the gas source control component to clean and activate the surface of the area to be repaired, thereby enhancing the adhesion of the subsequent resin filling. It also includes a power supply component, which is not limited to AC, DC, radio frequency, and microwave.

[0009] Furthermore, the filling module includes a motion control system, a storage cylinder, and a control valve. The motion control system drives the storage cylinder and the control valve to move, and can move within a certain range. The motion control system includes a high-precision servo motor and a stepper motor to ensure the filling accuracy, and uses electric, pneumatic, and hydraulic power to spray or extrude the filling material. The control valve is not limited to pressure type, screw type, jet type, and piezoelectric type.

[0010] Furthermore, the curing module is a heat curing or light curing device, wherein the light curing device is a laser light source, an ultraviolet light source, an infrared light source or a plasma jet source, which can cure the resin after filling the surface of the fiber-reinforced composite material.

[0011] Furthermore, the polishing module includes a connecting rod, a polishing pad, and a moving component. The moving component drives the connecting rod to move to the cured repair area, and the polishing pad fixed on the connecting rod rotates 360 degrees at different speeds to polish the surface.

[0012] Furthermore, the polishing pad is not limited to sandpaper or polymer fiber cloth, or mineral fiber cloth.

[0013] Compared with the prior art, the fiber-reinforced composite material repair system of this invention has at least the following beneficial effects:

[0014] This invention provides a continuous repair method with high repair efficiency and precise repair capabilities in specific areas. The cleaning module utilizes atmospheric pressure plasma technology, which, compared to traditional mechanical and solvent cleaning, does not damage the fibers themselves and is both environmentally friendly and efficient. The device has a high degree of automation and can operate continuously.

[0015] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a perspective view of a repair system for fiber-reinforced composite materials according to this utility model.

[0018] In the figure: 1. Conveying device, 2. Positioning module, 3. Cleaning module, 4. Filling module, 5. Curing module, 6. Polishing module, 7. Fixing groove, 8. Buckle, 9. Conveyor belt, 10. Driving wheel, 11. Driven wheel, 12. Fiber-reinforced composite material to be repaired. Detailed Implementation

[0019] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0020] See Figure 1 This utility model proposes a repair system for fiber-reinforced composite materials, including a conveying device 1. Above the conveying device 1 are sequentially arranged a positioning module 2, a cleaning module 3, a filling module 4, a curing module 5, and a polishing module 6. The conveying device 1 moves horizontally. The positioning module 2, cleaning module 3, and filling module 4 are fixed to a movable component via connecting parts. The positioning module 2 first locates the defect position of the fiber-reinforced composite material. The cleaning module 3 cleans the area to be repaired, removing surface oil stains. The filling module 4 then fills the cleaned repair area with resin. The curing module 5 cures the filled resin, and the polishing module 6 polishes any uneven areas after curing.

[0021] Specifically, the conveying device 1 includes a conveyor belt 9, which has a fixing groove 7 and a buckle 8. The fiber-reinforced composite material to be repaired is fixed to the conveyor belt 9 through the fixing groove 7 and the buckle 8. The buckle can be fixed to the fixing groove by mechanical means such as screws. The conveying device 1 includes a transmission assembly, which includes a drive wheel 10. The drive wheel 10 is mounted on a transmission shaft and its rotation is controlled by a drive mechanism. After the drive wheel 10 rotates, it drives the driven wheel 11 to rotate through the conveyor belt 9.

[0022] Specifically, the positioning module uses the LA-ZB series laser positioning sensor produced by Shenzhen Shenpu Electric Co., Ltd., which includes CCD positioning reference and real-time monitoring and recording functions. It can achieve automatic position compensation through programming, effectively eliminating position errors caused by board fixing, thereby ensuring the accuracy of subsequent processes and production stability.

[0023] Specifically, the cleaning module 3 includes an atmospheric pressure plasma cleaning spray gun, a gas source control component, a power supply component, and moving parts. The atmospheric pressure plasma cleaning spray gun is fixed on the moving parts, and the high-speed airflow and plasma generated are controlled by the gas source control component to clean and activate the surface of the area to be repaired, thereby enhancing the adhesion of the subsequent resin filling. The power supply component is not limited to AC, DC, radio frequency, and microwave.

[0024] Specifically, the filling module 4 includes a motion control system, a storage cylinder, and a control valve. The motion control system drives the storage cylinder and the control valve to move, and can move within a certain range. The motion control system includes a high-precision servo motor and a stepper motor to ensure the filling accuracy, and uses electric, pneumatic, and hydraulic power to spray or extrude the filling material. The control valve is not limited to pressure type, screw type, jet type, and piezoelectric type.

[0025] Specifically, the curing module 5 is a heat curing or light curing device, wherein the light curing device is a laser light source, an ultraviolet light source, an infrared light source or a plasma jet source, which can cure the resin after filling the surface of the fiber-reinforced composite material.

[0026] Specifically, the polishing module 6 includes a connecting rod, a polishing pad, and a moving component. The polishing pad is not limited to sandpaper, polymer fiber cloth, or mineral fiber cloth. The moving component drives the connecting rod to move to the cured repair area, and the polishing pad fixed on the connecting rod rotates 360 degrees at different speeds to polish the surface.

[0027] The working process of the fiber-reinforced composite material repair system proposed in this utility model is as follows: First, the fiber-reinforced composite material 12 to be repaired is placed on a conveyor 1; the positioning module 2, cleaning module 3, and filling module 4 are fixed to a movable component by certain connecting parts. The positioning module 2 first locates the defect position of the fiber-reinforced composite material, the cleaning module 3 first cleans the area to be repaired to remove surface oil stains, and the filling module 4 then fills the cleaned repair area with resin; the filled fiber-reinforced composite material enters the curing area on the conveyor 1, and the curing module 5 then cures the resin to a certain extent according to the filling state; finally, the cured fiber-reinforced composite material enters the polishing area of ​​the conveyor to polish the uneven area after curing.

[0028] In summary, this utility model provides an intelligent repair system that can repair fiber-reinforced composite materials. By accurately locating the surface defects of the fiber-reinforced composite material, it performs a series of continuous operations such as cleaning, filling, curing and polishing on the defective area of ​​the material to be repaired, thereby realizing the repair process of the defective area of ​​the fiber-reinforced composite material and improving the reliability and production efficiency of the fiber-reinforced composite material repair process.

[0029] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model in any way. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. A repair system for fiber-reinforced composite materials, characterized in that: Includes a conveying device (1), and above the conveying device (1) are arranged a positioning module (2), a cleaning module (3), a filling module (4), a curing module (5) and a polishing module (6) in sequence. The conveying device (1) moves in the horizontal direction. The positioning module (2) first locates the defect position of the fiber reinforced composite material, the cleaning module (3) cleans the area to be repaired, the filling module (4) then fills the cleaned repair area with resin, the curing module (5) cures the filled resin, and the polishing module (6) polishes the uneven area after curing.

2. The repair system for fiber-reinforced composite materials according to claim 1, characterized in that: The conveying device (1) includes a conveyor belt (9), which is provided with a fixing groove (7) and a buckle (8). The fiber-reinforced composite material to be repaired is fixed on the conveyor belt (9) through the fixing groove (7) and the buckle (8).

3. The repair system for fiber-reinforced composite materials according to claim 2, characterized in that: The conveying device (1) includes a transmission assembly, which includes a drive wheel (10) mounted on a transmission shaft. After the drive wheel (10) rotates, it drives the driven wheel (11) to rotate via the conveyor belt (9).

4. The repair system for fiber-reinforced composite materials according to claim 3, characterized in that: The cleaning module (3) includes an atmospheric pressure plasma cleaning spray gun, an air source control component and a moving part. The atmospheric pressure plasma cleaning spray gun is fixed on the moving part and the high-speed airflow and plasma generated are controlled by the air source control component to clean and activate the area to be repaired.

5. The repair system for fiber-reinforced composite materials according to claim 4, characterized in that: The filling module (4) includes a motion control system, a storage cylinder and a control valve. The motion control system drives the storage cylinder and the control valve to move.

6. The repair system for fiber-reinforced composite materials according to claim 5, characterized in that: The curing module (5) is a heat curing or light curing device, wherein the light curing device is a laser light source, an ultraviolet light source, an infrared light source or a plasma jet source.

7. The repair system for fiber-reinforced composite materials according to claim 6, characterized in that: The polishing module (6) includes a connecting rod, a polishing pad, and a moving component. The moving component drives the connecting rod to move to the cured repair area. The polishing pad is fixed on the connecting rod and rotates 360 degrees at different speeds to polish the surface.

8. The repair system for fiber-reinforced composite materials according to claim 7, characterized in that: The control valve is a pressure type, screw type, jet type, or piezoelectric type valve.

9. The repair system for fiber-reinforced composite materials according to claim 8, characterized in that: The polishing pad is sandpaper, polymer fiber cloth, or mineral fiber cloth.

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