A method for processing large-format flat panels

Abstract

The application discloses a large-specification plane plate processing method and belongs to the technical field of plate processing. The application comprises the following steps: step one, selecting a plate blank and clamping the plate blank to a machine tool; step two, setting processing parameters of the machine tool, processing the plate blank, and processing to a corresponding size to obtain a plate; step three, taking down the plate obtained in step three and placing the plate on a cleaning and detecting device; step four, starting the cleaning and detecting device, cleaning a plate surface of the plate, and cleaning cutting fluid on the plate; and step five, spraying protective paint on the surface of the plate to form a protective coating on the surface of the plate to obtain a plane plate. The overall processing technology of the application is simple, the protective paint is sprayed on the plane plate, the obtained plane plate has excellent corrosion resistance and wear resistance, the surface strength is relatively high, the practicality is strong, and the application is applied to aerospace equipment.

Description

Technical Field

[0001] This invention belongs to the field of sheet metal processing technology, and specifically relates to a method for processing large-format flat sheet metal. Background Technology

[0002] Aluminum and aluminum alloys possess advantages such as low density, low price, and excellent machinability, making them crucial materials in the aerospace field. To meet aerospace requirements, large-format flat aluminum alloy sheets need to be CNC machined into grids of varying sizes (such as squares and triangles) for use in wall panels and enclosures. However, aluminum alloys themselves have relatively low wear resistance and corrosion resistance. Therefore, current technologies involve surface finishing of aluminum alloys, such as using anodizing, thermal spraying, electroplating, and laser cladding, to improve their wear and corrosion resistance. However, current processing methods still cannot meet actual production needs. Furthermore, the use of cutting fluid in CNC machining leaves residue on the flat sheet material, which, if not cleaned promptly, will corrode the surface. Large-format flat sheets have a large surface area, making inspection difficult and cleaning challenging. Summary of the Invention

[0003] This invention provides a method for processing large-format flat panels to solve the technical problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A method for processing large-format flat panels includes the following steps:

[0006] Step 1: Select the slab and clamp it onto the machine tool;

[0007] Step 2: Set the machine tool's processing parameters, process the slab to the corresponding dimensions, and obtain the sheet material;

[0008] Step 3: Remove the board obtained in Step 3 and place it on the cleaning and testing device;

[0009] Step 4: Activate the cleaning and detection device to clean the surface of the board and remove the cutting fluid from the board;

[0010] Step 5: Spray a protective coating onto the surface of the board to form a protective coating, resulting in a flat board.

[0011] As a further improvement to the technical solution, the protective coating comprises the following components: acrylic resin, fluorocarbon resin, nano titanium dioxide, reinforcing agent, dispersant, leveling agent, coupling agent, and solvent.

[0012] As a further improvement to the technical solution, the protective coating comprises the following components by weight: 10-25 parts acrylic resin, 30-50 parts fluorocarbon resin, 3-10 parts nano titanium dioxide, 1-3 parts reinforcing agent, 2-4 parts dispersant, 1-2 parts leveling agent, 1-2 parts coupling agent, and 40-60 parts solvent.

[0013] As a further improvement to the technical solution, the protective coating comprises the following components: 18 parts acrylic resin, 45 parts fluorocarbon resin, 7 parts nano titanium dioxide, 2 parts reinforcing agent, 3 parts dispersant, 1 part leveling agent, 2 parts coupling agent, and 55 parts solvent.

[0014] As a further improvement to the technical solution, the cleaning detection device includes: a roller conveyor; a cleaning component for cleaning the surface of the flat plate, disposed in the middle of the roller conveyor; and a detection component for detecting whether cutting fluid is present on the surface of the flat plate, disposed at one end of the roller conveyor.

[0015] As a further improvement to the technical solution, the cleaning assembly includes a first support, a blower, an air pipe, and an air blowing chamber; the first support is mounted on the roller conveyor; the air blowing chamber is mounted on the first support; the air blowing chamber is located on both the upper and lower sides of the conveying area of ​​the roller conveyor, and is also located between the rollers in the roller conveyor; the side of the air blowing chamber facing the conveying area of ​​the roller conveyor has an opening along its length; the opening is inclined; one end of the air pipe is connected to the air blowing chamber, and the other end is connected to the air outlet of the blower.

[0016] As a further improvement to the technical solution, the cleaning assembly also includes a cleaning roller; the cleaning roller is rotatably mounted on the roller conveyor and located above the conveying area of ​​the roller conveyor.

[0017] As a further improvement to the technical solution, the detection component includes a liquid detection module and an electrode plate; the liquid detection module and the electrode plate are electrically connected; the electrode plate is disposed above the conveying area of ​​the roller conveyor; the length direction of the electrode plate is consistent with the width direction of the roller conveyor.

[0018] As a further improvement to the technical solution, the detection component also includes a second bracket; the electrode sheet is mounted on the roller conveyor via the second bracket; the second bracket is mounted on the roller conveyor; one side of the electrode sheet is connected to the second bracket, and the other side faces the roller conveyor.

[0019] As a further improvement to the technical solution, the detection component also includes a controller, a first linear movement mechanism, and a wiping element for wiping the electrode sheet; the first linear movement mechanism and the liquid detection module are both circuit-connected to the controller; the first linear movement mechanism is mounted on the second support, and the movement direction of its movable end is consistent with the length direction of the electrode sheet; the length of the electrode sheet is greater than the width of the roller conveyor; one end of the wiping element is connected to the movable end of the first linear movement mechanism, and the other end faces the roller conveyor; the wiping element is in contact with the side of the electrode sheet and the end facing the roller conveyor; the wiping element is close to the end of the electrode sheet.

[0020] As a further improvement to the technical solution, the roller conveyor also includes a baffle, a pusher, and a second linear movement mechanism; the baffle is disposed on the end of the roller conveyor away from the detection component; the length direction of the baffle is consistent with the conveying direction of the roller conveyor; the baffle is located on the upper side of the conveying area of ​​the roller conveyor; the second linear movement mechanism is disposed on the end of the roller conveyor away from the detection component corresponding to the baffle; the movement direction of the movable end of the second linear movement mechanism is consistent with the width direction of the roller conveyor; the second linear movement mechanism is away from the baffle; the pusher is connected to the movable end of the second linear movement mechanism corresponding to the baffle; the pusher is parallel to the baffle.

[0021] As a further improvement to the technical solution, the roller conveyor also includes a third support and a roller; the third support is disposed on the roller conveyor; the roller is rotatably disposed on the third support; the roller is located directly above the conveying area of ​​the roller conveyor; the rotation direction of the roller is tangent to the conveying direction of the roller conveyor.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0023] 1. The overall processing technology of this application is simple. The protective coating used is sprayed on the flat plate, and the resulting flat plate has excellent corrosion resistance and wear resistance, as well as high surface strength. It is highly practical and can be applied to aerospace equipment.

[0024] 2. The cleaning component used in this application can clean both sides of the flat plate simultaneously. In use, a large-size flat plate is placed on the end of the roller conveyor furthest from the detection component. The roller conveyor and fan are started, and the roller conveyor moves the flat plate towards the detection component. During the movement, the flat plate passes through the air chamber. The fan delivers airflow into the air chamber through the air pipe, causing the air chamber to blow out a strong airflow. The air chamber blows air onto both the upper and lower surfaces of the flat plate, drying and removing the cutting fluid and debris. After passing through the air chamber, the flat plate continues to move towards the detection component. The surface of the flat plate and the electrode sheet... Side contact forms a stable circuit. If there is no cutting fluid on the flat plate, the circuit between the electrode and the flat plate remains stable during the process, indicating that there is no cutting fluid on the flat plate. If there is cutting fluid on the flat plate, the liquid comes into contact with the electrode during the process, changing the circuit between the electrode and the flat plate. The capacitance on the liquid detection module changes, and the buzzer on the liquid detection module sounds, indicating that there is cutting fluid on the flat plate. After one side of the flat plate is detected, the other side can be switched for detection, effectively detecting the surface of the flat plate and avoiding residual liquid before spraying, which would affect the spraying effect. Attached Figure Description

[0025] To more clearly illustrate the technical solutions of the embodiments of the invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the invention and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0026] Figure 1 A structural schematic diagram of a method for processing large-format flat panels provided by the present invention. Figure 1 ;

[0027] Figure 2 Structural diagram provided for this invention Figure 2 ;

[0028] Figure 3 Structural diagram provided for this invention Figure 3 ;

[0029] Figure 4 Schematic diagram of the detection component provided by the present invention Figure 1 ;

[0030] Figure 5 Schematic diagram of the detection component provided by the present invention Figure 2 ;

[0031] Reference numerals: 1-roller conveyor, 11-baffle, 12-push plate, 13-second linear motion mechanism, 14-third support, 15-roller, 2-cleaning assembly, 21-first support, 22-air pipe, 23-air blowing chamber, 24-cleaning roller, 3-detection assembly, 31-liquid detection module, 32-electrode plate, 33-second support, 34-controller, 35-first linear motion mechanism, 36-wiping component. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the described embodiments of the present invention without creative effort are within the scope of protection of the present invention. Unless otherwise defined, the technical or scientific terms used herein should have the ordinary meaning understood by those skilled in the art.

[0033] The terms "first," "second," and similar words used in this invention application specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, unless the context clearly indicates otherwise, the singular forms of "an," "a," or "the," etc., do not indicate a quantity limitation, but rather indicate the presence of at least one. Terms such as "comprising" or "including" indicate that the element or object preceding "comprising" encompasses the features, integrals, steps, operations, elements, and / or components listed following "comprising" or "including," and do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components, and / or collections thereof. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0034] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0035] Example 1:

[0036] like Figures 1 to 3As shown, a method for processing large-format flat panels includes the following steps:

[0037] Step 1: Select the slab and use a lifting device to clamp and load the slab onto the machine tool;

[0038] Step 2: Set the machine tool processing parameters according to the material of the flat plate, process the plate blank to the corresponding size, and obtain the plate.

[0039] Step 3: Remove the plate obtained in Step 2 and use a lifting device to suspend the plate from the machine tool onto the cleaning and testing device;

[0040] Step 4: Activate the cleaning and detection device to clean the surface of the board, removing cutting fluid and debris.

[0041] Step 5: Spray a protective coating onto the surface of the board to form a protective coating, resulting in a flat board.

[0042] In step five, the protective coating comprises, by weight, 18 parts acrylic resin, 45 parts fluorocarbon resin, 7 parts nano titanium dioxide, 2 parts reinforcing agent, 3 parts dispersant, 1 part leveling agent, 2 parts coupling agent, and 55 parts solvent. The preparation method of the protective coating includes the following steps: Step 1: Weigh each raw material by weight and set aside.

[0043] Step 2: Pour acrylic resin, fluorocarbon resin, and solvent into the reaction vessel, heat and stir for 1-2 hours, then cool to room temperature;

[0044] Step 3: Add nano-titanium dioxide, reinforcing agent, dispersant, and leveling agent to the reaction vessel and stir to obtain the protective coating.

[0045] like Figure 1 As shown, preferably, the cleaning and detection device includes: a roller conveyor 1, a cleaning component 2, and a detection component 3; the roller conveyor 1 is used to convey flat sheet metal; the cleaning component 2 cleans the surface of the flat sheet metal and is located in the middle of the roller conveyor 1; the detection component 3 is used to detect whether there is still cutting fluid residue on the surface of the flat sheet metal after cleaning by the cleaning component 2 and is located at one end of the roller conveyor 1.

[0046] like Figures 1 to 3As shown, the cleaning component 2 includes a first support 21, a blower (not shown), an air pipe 22, and an air-blowing chamber 23. The first support 21 is mounted on the roller conveyor 1. The air-blowing chamber 23 is mounted on the first support 21. The air-blowing chamber 23 is located on both the upper and lower sides of the conveying area of ​​the roller conveyor 1, and is also located between the rollers in the roller conveyor 1. The length direction of the air-blowing chamber 23 is consistent with the length direction of the roller conveyor 1. The side of the air-blowing chamber 23 facing the conveying area of ​​the roller conveyor 1 has an elongated opening along its length, the length of which is greater than the width of the flat plate. The opening is inclined, tilted towards the direction from which the flat plate is approached. Preferably, a flow divider is also provided inside the air-blowing chamber 23, which horizontally divides the interior of the air-blowing chamber 23, so that the gas flows evenly towards the opening of the air-blowing chamber 23. One end of the air pipe 22 is connected to the air-blowing chamber 23, and the other end is connected to the air outlet of the blower. It should be noted that the specific model of the blower is not an improvement of this application and will not be described in detail here.

[0047] like Figures 1 to 5 As shown, preferably, the detection component 3 includes a liquid detection module 31, an electrode plate 32, and a second support 33; the second support 33 is mounted on the roller conveyor 1; one side of the electrode plate 32 is connected to the second support 33, and the other end faces the roller conveyor; the electrode plate 32 is located above the conveying area of ​​the roller conveyor 1; the length direction of the electrode plate 32 is consistent with the width direction of the roller conveyor 1; the liquid detection module 31 can be mounted on the second support 33, and a buzzer is provided on the liquid detection module 31 to alert the detection result; the liquid detection module 31 is electrically connected to the electrode plate 32. It should also be noted that the connection between the liquid detection module and the electrode plate is a conventional connection. The liquid detection module is existing technology, similar to the detection module in a leak sensor. The specific model of the liquid detection module is not an improvement point of this application and will not be described in detail here.

[0048] Work style:

[0049] In use, a large-format flat plate is placed on the end of the roller conveyor 1 furthest from the detection component 3. The roller conveyor 1 and the blower are started, and the roller conveyor 1 moves the flat plate toward the detection component 3. During the movement of the flat plate, it passes through the air blowing chamber 23. The blower delivers airflow into the air blowing chamber 23 through the air pipe 22, causing the air blowing chamber 23 to blow out a strong airflow. The air blowing chamber 23 blows air onto the upper and lower surfaces of the flat plate, drying and blowing off the cutting fluid on the flat plate, while also blowing away the debris. After passing through the air blowing chamber 23, the flat plate continues to move toward the detection component 3. The surface of the flat plate contacts one side of the electrode plate 32, forming a stable contact. In this circuit, if there is no cutting fluid on the flat plate, the circuit state between the electrode plate 32 and the flat plate remains stable during the process, indicating that there is no cutting fluid on the flat plate. If there is cutting fluid on the flat plate, the liquid comes into contact with the electrode plate 32 during the process, changing the circuit state between the electrode plate 32 and the flat plate. The capacitance on the liquid detection module 31 changes, and the buzzer on the liquid detection module 31 sounds, indicating that there is cutting fluid on the flat plate. After one side of the flat plate is detected, the other side can be switched for detection, effectively detecting the surface of the flat plate and avoiding residual liquid before spraying, which would affect the spraying effect.

[0050] like Figure 4 and Figure 5 As shown, preferably, the detection component 3 further includes a controller 34, a first linear motion mechanism 35, and a wiping element 36 for wiping the electrode sheet 32; the first linear motion mechanism 35 and the liquid detection module 31 are both circuit-connected to the controller 34; the first linear motion mechanism 35 is mounted on the second support 33, and the movement direction of its movable end is consistent with the length direction of the electrode sheet 32; the length of the electrode sheet 32 ​​is greater than the width of the roller conveyor 1 to facilitate the placement of the wiping element 36; one end of the wiping element 36 is connected to the movable end of the first linear motion mechanism 35, and the other end faces the roller conveyor 1; the first linear motion mechanism 35 is a lead screw slide with a large range of motion; the wiping element 36 is located away from the first linear motion mechanism 35. One end of the moving mechanism 35 has an arc-shaped structure and is attached to the electrode plate 32. The end of the wiping member 36 that contacts the electrode plate 32 is provided with cloth to wipe the water on the electrode plate 32. The wiping member 36 is attached to the side of the electrode plate 32 and the end facing the roller conveyor 1. The end of the wiping member 36 is close to the electrode plate 32. When the liquid detection module 31 detects liquid on the flat plate, after the detection is completed, the controller 34 controls the first linear moving mechanism 35 to start. The first linear moving mechanism 35 drives the wiping member 36 to move from one end of the electrode plate 32 to the other end. During the movement, the wiping member 36 wipes the water stains on the electrode plate 32 and dries the electrode plate 32 for the next detection.

[0051] like Figures 1 to 3As shown, preferably, the cleaning component 2 also includes a cleaning roller 24; the cleaning roller 24 is rotatably mounted on the roller conveyor 1, located above the conveying area of ​​the roller conveyor 1; the surface of the cleaning roller 24 has a hard brush; the cleaning roller 24 is connected to the roller conveyor 1 through a support frame, and one end of the cleaning roller 24 is mechanically connected to a motor (not shown), which drives the cleaning roller 24 to rotate, and the cleaning roller 24 cleans the top surface of the flat plate, removing debris from the flat plate; optionally, corresponding to the cleaning roller 24, hard brushes can also be provided on the surface of some rollers of the roller conveyor 1 to clean the bottom surface of the flat plate, achieving double-sided cleaning.

[0052] like Figures 1 to 3 As shown, preferably, the roller conveyor 1 further includes a baffle 11, a pusher plate 12, and a second linear movement mechanism 13; the baffle 11 is disposed on the end of the roller conveyor 1 away from the detection component 3; the length direction of the baffle 11 is consistent with the conveying direction of the roller conveyor 1, the baffle 11 is vertically distributed, and faces the conveying area of ​​the roller conveyor 1; the baffle 11 is located on the upper side of the conveying area of ​​the roller conveyor 1 and does not contact the roller of the roller conveyor 1; the second linear movement mechanism 13 is disposed on the end of the roller conveyor 1 away from the detection component 3 corresponding to the baffle 11; the movement direction of the movable end of the second linear movement mechanism 13 is consistent with the width direction of the roller conveyor 1, the second linear movement mechanism 13 faces the baffle 11, and the second linear movement mechanism 13 can be a hydraulic rod; the second linear movement mechanism 13 is away from the baffle 11; the pusher plate 12 The corresponding baffle 11 is connected to the movable end of the second linear moving mechanism 13; the push plate 12 is parallel to the baffle 11 and is located on the side of the roller conveyor 1 away from the baffle 11. The second linear moving mechanism 13 drives the push plate 12 to move; a pressure sensor is provided on the side of the baffle 11 facing the push plate 12, and the pressure sensor is connected to the controller 34 circuit; the flat plate moves toward the air blowing chamber 23, first passing through the baffle 11 and the push plate 12. When passing through, the second linear moving mechanism 13 is activated, driving the push plate 12 to move toward the flat plate, pushing the flat plate toward the baffle 11, so that the flat plate contacts the baffle 11, standardizing the position of the flat plate, preventing it from deviating and leaving the air blowing range of the air blowing chamber 23. After the flat plate contacts the baffle 11, the second linear moving mechanism 13 resets, and the push plate 12 returns to its original position, completing the position adjustment of the flat plate.

[0053] like Figures 1 to 3As shown, preferably, the roller conveyor 1 further includes a third support 14 and rollers 15; the third support 14 is disposed on the roller conveyor 1; the rollers 15 are rotatably disposed on the third support 14; the rollers 15 are located directly above the conveying area of ​​the roller conveyor 1; the rotation direction of the rollers 15 is tangential to the conveying direction of the roller conveyor 1; the third support 14 is located between the baffle 11 and the air blowing chamber 23; after the flat plate is adjusted by the push plate 12, it moves to the third support 14; the rollers 15 contact the surface of the flat plate, pressing down on the flat plate to prevent it from shifting during movement.

[0054] Example 2:

[0055] Compared with Example 1, the difference is that in step five, the protective coating includes, by weight, 10 parts acrylic resin, 30 parts fluorocarbon resin, 3 parts nano titanium dioxide, 1 part reinforcing agent, 2 parts dispersant, 1 part leveling agent, 1 part coupling agent, and 40 parts solvent.

[0056] Example 3:

[0057] Compared with Example 1, the difference is that in step five, the protective coating comprises, by weight, 25 parts acrylic resin, 50 parts fluorocarbon resin, 10 parts nano titanium dioxide, 3 parts reinforcing agent, 4 parts dispersant, 2 parts leveling agent, 2 parts coupling agent, and 60 parts solvent.

[0058] Comparative Example 1:

[0059] Compared with Example 1, the difference is that the protective coating includes, by weight, 25 parts acrylic resin, 10 parts nano titanium dioxide, 3 parts reinforcing agent, 4 parts dispersant, 2 parts leveling agent, 2 parts coupling agent and 60 parts solvent.

[0060] Comparative Example 2:

[0061] Compared with Example 1, the difference is that the protective coating includes, by weight, 50 parts of fluorocarbon resin, 10 parts of nano titanium dioxide, 3 parts of reinforcing agent, 4 parts of dispersant, 2 parts of leveling agent, 2 parts of coupling agent and 60 parts of solvent.

[0062] Comparative Example 3:

[0063] Compared with Example 1, the difference is that the protective coating includes, by weight, 25 parts acrylic resin, 50 parts fluorocarbon resin, 3 parts reinforcing agent, 4 parts dispersant, 2 parts leveling agent, 2 parts coupling agent, and 60 parts solvent.

[0064] Performance testing:

[0065] For bonding strength, the planar plates obtained from Examples 1-3 and Comparative Examples 1-3 were used. The bonding strength of the protective coating on the plate surface was tested by scratch method. During the test, the progressive normal load was 0-15N, the scratch length was 5 meters, and the scratch speed was 2 mm / min. The critical load at which the protective coating completely peeled off was used to characterize the bonding strength.

[0066] Wear rate was determined by friction and wear tests on the flat plates processed in Examples 1-3 and Comparative Examples 1-3. The friction pair used was a 6mm diameter GCr15 steel ball, the sliding frequency was 5Hz, and the single sliding stroke was 5mm. The friction time was 30min, and the load was 5N. The wear rate was measured and calculated.

[0067] Corrosion resistance was assessed using flat plates obtained from Examples 1-3 and Comparative Examples 1-3, and the flat plates were tested according to the aerospace standard "HB 5455 Aluminum Alloy Peel Corrosion Test Method". The test results are shown in Table 1.

[0068]

[0069] The performance test results above show that the protective coating of this application, when sprayed onto a flat plate, results in a flat plate with excellent corrosion resistance and abrasion resistance, as well as high surface strength and strong practicality, making it applicable to aerospace equipment.

[0070] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A method for processing large-format flat panels, characterized in that, Includes the following steps: Step 1: Select the slab and clamp it onto the machine tool; Step 2: Set the machine tool's processing parameters, process the slab to the corresponding dimensions, and obtain the sheet material; Step 3: Remove the board obtained in Step 2 and place it on the cleaning and testing device; Step 4: Activate the cleaning and detection device to clean the surface of the board and remove the cutting fluid from the board; Step 5: Spray a protective coating onto the surface of the board to form a protective layer, resulting in a flat board. The protective coating comprises the following components by weight: Acrylic resin 10-25 parts, fluorocarbon resin 30-50 parts, nano titanium dioxide 3-10 parts, reinforcing agent 1-3 parts, dispersant 2-4 parts, leveling agent 1-2 parts, coupling agent 1-2 parts, and solvent 40-60 parts; The cleaning detection device includes: Roller conveyor (1); A cleaning assembly (2) for cleaning the surface of flat plates is located in the middle of the roller conveyor (1); A detection component (3) for detecting whether cutting fluid is present on the surface of a flat plate is disposed at one end of the roller conveyor (1); The detection component (3) includes a liquid detection module (31) and an electrode plate (32); the liquid detection module (31) and the electrode plate (32) are electrically connected; the electrode plate (32) is disposed above the conveying area of ​​the roller conveyor (1); the length direction of the electrode plate (32) is consistent with the width direction of the roller conveyor (1).

2. The method for processing large-format flat panels according to claim 1, characterized in that, The protective coating comprises the following components: The mixture consists of 18 parts acrylic resin, 45 parts fluorocarbon resin, 7 parts nano titanium dioxide, 2 parts reinforcing agent, 3 parts dispersant, 1 part leveling agent, 2 parts coupling agent, and 55 parts solvent.

3. The method for processing large-format flat panels according to claim 1, characterized in that, The cleaning component (2) includes a first support (21), a blower, an air pipe (22), and an air blowing chamber (23); the first support (21) is mounted on the roller conveyor (1); the air blowing chamber (23) is mounted on the first support (21); the air blowing chamber (23) is located on the upper and lower sides of the conveying area of ​​the roller conveyor (1), and is also located in the interval between the rollers in the roller conveyor (1); the side of the air blowing chamber (23) facing the conveying area of ​​the roller conveyor (1) has an opening along its length; the opening is inclined; one end of the air pipe (22) is connected to the air blowing chamber (23), and the other end is connected to the air outlet of the blower.

4. The method for processing large-format flat panels according to claim 1, characterized in that, The detection component (3) further includes a second bracket (33); the electrode plate (32) is mounted on the roller conveyor (1) via the second bracket (33); the second bracket (33) is mounted on the roller conveyor (1); one side of the electrode plate (32) is connected to the second bracket (33), and the other side faces the roller conveyor (1).

5. The method for processing large-format flat panels according to claim 4, characterized in that, The detection component (3) further includes a controller (34), a first linear movement mechanism (35), and a wiping member (36) for wiping the electrode plate (32); the first linear movement mechanism (35) and the liquid detection module (31) are both circuit-connected to the controller (34); the first linear movement mechanism (35) is mounted on the second support (33), and the movement direction of its movable end is consistent with the length direction of the electrode plate (32); the length of the electrode plate (32) is greater than the width of the roller conveyor (1); one end of the wiping member (36) is connected to the movable end of the first linear movement mechanism (35), and the other end faces the roller conveyor (1); the wiping member (36) is attached to the side of the electrode plate (32) and the end facing the roller conveyor (1); the wiping member (36) is close to the end of the electrode plate (32).

6. The method for processing large-format flat panels according to claim 1, characterized in that, The roller conveyor (1) further includes a baffle (11), a pusher plate (12), and a second linear movement mechanism (13); the baffle (11) is disposed on the end of the roller conveyor (1) away from the detection component (3); the length direction of the baffle (11) is consistent with the conveying direction of the roller conveyor (1); the baffle (11) is located on the upper side of the conveying area of ​​the roller conveyor (1); the second linear movement mechanism (13) is disposed on the end of the roller conveyor (1) away from the detection component (3) corresponding to the baffle (11); the movement direction of the movable end of the second linear movement mechanism (13) is consistent with the width direction of the roller conveyor (1); the second linear movement mechanism (13) is away from the baffle (11); the pusher plate (12) is connected to the movable end of the second linear movement mechanism (13) corresponding to the baffle (11); the pusher plate (12) is parallel to the baffle (11).

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