A board edge sealing defect detection device

Abstract

The application discloses a kind of plate edge sealing defect detection equipment, including moving assembly and adjusting assembly, adjusting assembly is fixedly installed at the top of moving assembly, adjusting assembly includes first fixed track and second fixed track that left and right parallel and are all enclosed U-shaped detection space, U-shaped detection space is towards the edge sealing plate to be detected to facilitate the edge of edge sealing plate to enter and carry out edge sealing defect detection;First fixed track and second fixed track are fixedly connected by multiple fixed rods, the outer surface of each fixed rod is rotatably connected with conveying roller, the outer part of multiple conveying rollers is movably connected with conveying belt, conveying belt is driven to convey by forward and reverse motor, and a plurality of detection assemblies are provided on one side of conveying belt, and the edge sealing defect of edge sealing plate is detected by the position change of detection assembly along with the conveying of conveying belt.The detection area of the present application is arranged at the edge of the edge sealing plate, so that the detection point can be moved, so that the edge sealing defect detection of large-area plate can be completed.

Description

Technical Field

[0001] This invention relates to the field of board production and testing technology, specifically to a board edge banding defect detection device. Background Technology

[0002] After cutting, the edges of the board are easily damaged by physical factors such as wear and collision, as well as by environmental factors such as moisture and air, which can cause deformation, cracking or mold. Edge banding can seal the edges of the board to protect it from external factors and extend its service life. However, if the edge banding strip is made of uneven material, inconsistent thickness, poor flexibility or surface defects, defects such as poor adhesion, bubbling or breakage may occur during the edge banding process.

[0003] Edge banding quality refers to the quality of the edges of boards after edge banding treatment in industries such as furniture manufacturing and board processing. It includes factors such as the integrity, fit, smoothness, abrasion resistance, and the degree of matching with the color and texture of the substrate. Good edge banding quality can improve the durability and aesthetics of products and prevent damage or moisture intrusion caused by untreated edges. Edge banding defect detection is the process of evaluating the edge banding quality of products after the edge banding process has been implemented. Inspection can reveal whether the edge banding is uniform, whether the fit is tight, and whether the surface is smooth, ensuring that the product meets design and usage requirements.

[0004] Most current edge banding defect detection equipment for sheet metal is conducted within a closed testing space. This closed testing space is typically designed for small-sized sheet metal, with a compact layout of internal testing channels and scanning devices. For example, an edge banding quality inspection device disclosed in existing patent CN120102459 B requires the sheet metal to be tested to be placed into the testing port. When applied to large-area sheet metal, the entrance size of the testing space may be insufficient to accommodate the sheet metal, thus making it impossible to detect defects in the edge banding of large-area sheet metal. Summary of the Invention

[0005] The purpose of this invention is to provide a device for detecting defects in the edge banding of sheet metal, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] An edge banding defect detection device for sheet metal includes a moving component and an adjusting component. The adjusting component is fixedly installed on the top of the moving component. The adjusting component includes a first fixed track and a second fixed track that are parallel to each other and form a U-shaped detection space. The U-shaped detection space faces the edge banding sheet to be inspected so that the edge of the edge banding sheet can enter for edge banding defect detection. The first fixed track and the second fixed track are fixedly connected by multiple fixed rods. Each fixed rod has a conveyor roller rotatably connected to its outer surface. The conveyor rollers are movably connected to a conveyor belt. The conveyor belt is driven by a forward and reverse motor. Multiple detection components are arranged on one side of the conveyor belt. The detection components perform edge banding defect detection at different positions of the edge banding sheet as the position of the conveyor belt changes.

[0008] Preferably, the moving component includes an automatic moving device for automatically moving along a set path, a connecting plate is fixedly connected to the top of the automatic moving device, a support column is fixedly connected to the top of the connecting plate, and the top of the support column is fixedly connected to the outer surface of the first fixed track.

[0009] Preferably, a single detection component includes one or more of a visual sensor, a laser displacement sensor, an infrared sensor, and a camera.

[0010] Preferably, a control device is provided on the outer surface of the support column, and the control device is electrically connected to the automatic moving device, the forward and reverse motor, and the detection component.

[0011] Preferably, the control device is provided with a human-machine interface, which is a touch screen or a combination of buttons and a display screen.

[0012] Preferably, a lighting strip for illuminating the edge banding material is provided on one side of the first fixed track near the inner wall. Further, the lighting strip is attached to the surface of the first fixed track in a U-shape.

[0013] Preferably, a support block is fixedly connected to one side of the first fixed track, and a forward and reverse motor is provided on the top of the support block. A rotating hole is opened on one side of the first fixed track, and the output shaft of the forward and reverse motor rotates on the inner wall of the rotating hole. A limit rod is fixedly connected to one side of the second fixed track, and a drive roller is rotatably connected to the outer surface of the limit rod. The output shaft of the forward and reverse motor is fixedly connected to one end of the drive roller.

[0014] Preferably, a fixing block is fixedly connected to the outer surface of the first fixed track near the two U-shaped corners, a support rod is fixedly connected to the outer surface of each of the two fixing blocks, a positioning roller is rotatably connected to the outer surface of each of the two support rods, and the positioning roller is used to position the conveyor belt, and a limit block is fixedly connected to one end of each of the two support rods.

[0015] Preferably, the detection component further includes a positioning block, which is fixedly connected to one side of the conveyor belt. A fixed angle plate is fixedly connected to the outer surface of the positioning block, and a fixed screw is fixedly connected to one end of the fixed angle plate. A fidget spinner is slidably sleeved on the outer surface of the fixed screw. A fastening bolt is movably installed on the inner wall of the counterweight hole opened at the triangle of the fidget spinner. A movable angle plate is rotatably connected to the outer surface of the fastening bolt. The visual sensor, laser displacement sensor, infrared sensor, and camera are respectively fixedly installed on the outer surfaces of the four movable angle plates.

[0016] Preferably, the outer surface of the fixing screw is movably fitted with a first washer and a second washer, the first washer and the second washer being located on both sides of the fidget spinner, respectively; the outer surface of the fastening bolt is movably fitted with a third washer and a fourth washer, the third washer and the fourth washer being located on both sides of the movable angle plate; and a nut is threadedly connected to one end of the fixing screw and one end of the fastening bolt.

[0017] A method for detecting defects in the edge banding of sheet metal, applied to the aforementioned sheet metal edge banding defect detection equipment, wherein the sheet metal to be inspected is stably placed on a supporting platform, comprising the following steps:

[0018] S1. The automatic moving device moves automatically according to the set moving path, so that the edge of the edge banding board to be inspected enters the U-shaped inspection space;

[0019] S2. By starting the forward and reverse motors, the drive rollers are rotated, thereby driving the conveyor belt to move along the first and second fixed tracks of the U-shape, so that the detection components reach the designated position.

[0020] S3. Detection of edge sealing defects through detection components: a vision sensor acquires image information of the edge sealing area, a laser displacement sensor acquires contour information of the edge sealing surface, an infrared sensor detects defects hidden inside the edge sealing, and a camera captures images of the defective parts.

[0021] S4. By driving the conveyor belt with a forward and reverse motor to change the position of the detection components, the same sealing area can be detected two or more times.

[0022] S5. After each edge sealing area is inspected, the automatic moving device moves to the next edge sealing area for inspection.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] 1. In use, by placing the U-shaped detection area on the edge of the edge banding board, the detection point can be moved, thereby completing the detection of edge banding defects on large-area boards. The conveyor belt moves along the outer edge path of the first and second fixed tracks, causing each detection component installed on the conveyor belt surface to move along the path. The visual sensor judges whether there are defects in the edge banding, such as gaps, bubbles, missing glue, uneven edges, etc. The laser displacement sensor uses a laser beam to illuminate the edge banding surface to obtain the contour information of the edge banding surface and detect whether the thickness of the edge banding strip is uniform and whether the surface is flat. The infrared sensor detects the edge of the edge banding board, which can quickly detect defects hidden in the edge banding, such as tiny bubbles or delamination areas. It has a good detection effect on some defects that are not easily detected on the surface. The camera captures the defective parts for image analysis for further inspection.

[0025] 2. When in use, the edge banding board is placed stably on the supporting platform. Then, the movement path of the automatic moving device is set in the program. The movement path is the edge path of the edge banding board. It will also turn automatically at the corner. The edge banding board is located inside the U-shaped detection area, which enables sensors with different functions to detect the edge banding board. The connecting plate increases the fixed area between the support column and the automatic moving device, thereby improving stability.

[0026] 3. During use, the output shaft of the forward and reverse motor is started to rotate, thereby driving the drive roller to rotate. The two positioning rollers will rotate under the friction of the conveyor belt. The conveyor belt moves in a U-shape during operation. By attaching the lighting strip in a U-shape to the surface of the first fixed track, the area to be inspected of the edge banding board can be illuminated, thereby improving the accuracy of edge banding defect detection and the clarity of the images of the defective parts. By attaching the fidget spinner to the outside of the fixed screw and installing the movable angle plate inside one of the counterweight holes using fastening bolts, the hole is positioned at the bottom under the action of gravity. When the fixed angle plate moves to the inspection area and stops moving, the vibration generated by the detection instrument will be quickly reduced and eliminated, so that the stability can still be maintained when inspecting the edge banding defects of a large area of ​​edge banding board in the moving state, thereby improving the accuracy of the inspection. Attached Figure Description

[0027] Figure 1 A first-view perspective perspective view of a sheet metal edge banding defect detection device is provided for this invention;

[0028] Figure 2 A second-view perspective perspective view of a sheet metal edge banding defect detection device is provided for this invention;

[0029] Figure 3This invention provides a three-dimensional structural view of a sheet metal edge banding defect detection device;

[0030] Figure 4 This invention provides a first-view perspective perspective view of the adjustment component in a sheet metal edge banding defect detection device;

[0031] Figure 5 This invention provides a three-dimensional structural view of the adjustment component in a sheet metal edge banding defect detection device;

[0032] Figure 6 This invention provides a second-view perspective perspective view of the adjustment component in a sheet metal edge banding defect detection device;

[0033] Figure 7 This invention provides a side perspective view of the detection component in a sheet metal edge banding defect detection device;

[0034] Figure 8 This invention presents a three-dimensional structural view of the detection component in a sheet metal edge banding defect detection device.

[0035] In the diagram: 1. Moving component; 2. Adjusting component; 3. Detection component; 4. Edge banding material; 101. Automatic moving device; 102. Support column; 103. Control device; 104. Connecting plate; 201. First fixed track; 202. Fixed rod; 203. Second fixed track; 204. Conveyor roller; 205. Fixed block; 206. Support rod; 207. Limiting block; 208. Positioning roller; 209. Lighting strip; 210. Conveyor belt; 211. Support block; 212. Limiting rod; 213. Drive roller; 214. Forward and reverse motor; 215. Rotary hole; 301. Positioning block; 302. Fixed corner plate; 303. Vision sensor; 304. Laser displacement sensor; 305. Infrared sensor; 306. Camera; 307. Movable corner plate; 308. Fixed screw; 309. First washer; 310. Fidget spinner; 311. Counterweight hole; 312. Second washer; 313. Fastening bolt; 314. Third washer; 315. Fourth washer. Detailed Implementation

[0036] 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 embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0037] Example 1: Refer to Figures 1-8As shown, the present invention provides a technical solution: a board edge banding defect detection device, including a moving component 1 and an adjusting component 2. The adjusting component 2 is fixedly installed on the top of the moving component 1. The adjusting component 2 includes a first fixed track 201 and a second fixed track 203 that are parallel to each other and form a U-shaped detection space. The U-shaped detection space faces the edge banding board 4 to be detected so that the edge of the edge banding board 4 can enter for edge banding defect detection. The edge banding board 4 to be detected can be placed stably on a supporting platform. By moving the moving component 1, a section of the edge banding board 4 to be detected is brought into the U-shaped detection space. The first fixed track 201 and the second fixed track 203 are fixedly connected by multiple fixed rods 202. Each fixed rod 202 has a conveyor roller 204 rotatably connected to its outer surface. A conveyor belt 210 is movably connected to the outside of the multiple conveyor rollers 204. The conveyor belt 210 is driven by a forward and reverse motor 214. Multiple detection components 3 are provided on one side of the conveyor belt 210. The detection components 3 detect edge-sealing defects at different positions of the edge-sealing material 4 as the position of the conveyor belt 210 changes. The basic parameters of the conveyor belt 210, such as its material, bearing capacity, and thickness, are selected and configured with reference to the compatibility of the first fixed track 201, the second fixed track 203, and the detection components 3, thereby improving the overall compatibility of the equipment.

[0038] The moving component 1 may include an automatic moving device 101 for automatic movement along a set path. A connecting plate 104 is fixedly connected to the top of the automatic moving device 101, and a support column 102 is fixedly connected to the top of the connecting plate 104. The top of the support column 102 is fixedly connected to the outer surface of the first fixed track 201. Here, the automatic moving device 101 can refer to the automatic movement principle of existing mobile robot equipment, setting a predetermined movement path according to the edge shape of the edge banding material 4, and can also automatically turn at corners. The connecting plate 104 increases the fixed area between the support column 102 and the automatic moving device 101, thereby improving stability. Furthermore, a second support column can be fixedly connected to the outer surface of the second fixed track 203, symmetrically arranged with the support column 102, improving the balance and stability of the entire device. Of course, the moving component 1 can also be composed of a movable base with casters, allowing for movement by manual pushing.

[0039] Each detection component 3 may include one or more of a vision sensor 303, a laser displacement sensor 304, an infrared sensor 305, and a camera 306. The detection instruments included in each detection component 3 may have the same or different functions. The selection and combination are based on the specific needs of use, with compact and high-precision selection being preferred. The vision sensor 303 acquires image information of the edge banding area, converts it into electrical signals, and then the computer analyzes and processes them to determine whether there are defects in the edge banding, such as gaps, bubbles, missing glue, or uneven edges. The laser displacement sensor 304 uses a laser beam to illuminate the edge banding surface and calculates the distance between the edge banding surface and the sensor by measuring the time or angle of the laser reflection, thereby obtaining the contour information of the edge banding surface and detecting whether the thickness of the edge banding strip is uniform and whether the surface is flat. Then, the infrared sensor 305 detects the edge of the edge banding board 4, which can quickly detect defects hidden in the edge banding, such as tiny bubbles or areas of glue delamination. It has a good detection effect on some defects that are not easily detected on the surface. The camera 306 then takes pictures of the defective parts for image recognition and analysis for further inspection. During the inspection, when one of the detection instruments detects a defect, it is not necessary to start the other detection instruments; the camera 306 can simply take a picture of the defective part.

[0040] A lighting strip 209 for illuminating the edge banding material 4 can be installed on one side of the first fixed track 201 near the inner wall. The lighting strip 209 can be pasted in a U-shape on the surface of the first fixed track 201 to illuminate the U-shaped detection space, thereby improving the accuracy of edge banding defect detection and the clarity of the image of the defective part.

[0041] A control device 103 can be installed on the outer surface of the support column 102. The control device 103 is electrically connected to the automatic moving device 101, the forward and reverse motor 214, the lighting strip 209, and the vision sensor 303, laser displacement sensor 304, infrared sensor 305, and camera 306 in the detection component 3. Therefore, the control device 103 can achieve automated control of the automatic moving device 101, the forward and reverse motor 214, the lighting strip 209, and the vision sensor 303, laser displacement sensor 304, infrared sensor 305, and camera 306 in the detection component 3. The control device 103 can be equipped with a human-machine interface, which is a combination of a touchscreen or buttons and a display screen. Operators can input control commands through the touchscreen or buttons, and the data and images detected by the detection component 3 can be displayed on the touchscreen or display screen. The control device 103 can also be equipped with a communication module for communication with a remote service center via wired or wireless communication.

[0042] A support block 211 is fixedly connected to one side of the first fixed track 201. A forward and reverse motor 214 is installed on the top of the support block 211. A rotating hole 215 is opened on one side of the first fixed track 201. The output shaft of the forward and reverse motor 214 rotates on the inner wall of the rotating hole 215. A limit rod 212 is fixedly connected to one side of the second fixed track 203. A drive roller 213 is rotatably connected to the outer surface of the limit rod 212. The output shaft of the forward and reverse motor 214 is fixedly connected to one end of the drive roller 213. A fixing block 205 is fixedly connected to the outer surface of the first fixed track 201 near the two U-shaped corners. A support rod 206 is fixedly connected to the outer surface of the two fixing blocks 205. A positioning roller 208 is rotatably connected to the outer surface of the two support rods 206. The positioning roller 208 is used to position the conveyor belt 210. In use, the forward and reverse motor 214 drives the drive roller 213 to rotate. Since the conveyor belt 210 is in contact with the drive roller 213 and multiple conveyor rollers 204 at the same time, there is a large friction force, which drives the conveyor belt 210 to move along the outer edge path of the first fixed track 201 and the second fixed track 203. This allows each detection component 3 installed on one side of the conveyor belt 210 to move along the path, and the positioning roller 208 positions the conveyor belt 210.

[0043] One end of each of the two support rods 206 can be fixedly connected to a limit block 207. The detection component 3 also includes a positioning block 301, which is fixedly connected to one side of the conveyor belt 210. A fixing angle plate 302 is fixedly connected to the outer surface of the positioning block 301. A fixing screw 308 is fixedly connected to one end of the fixing angle plate 302. A fidget spinner 310 is slidably sleeved on the outer surface of the fixing screw 308. A fastening bolt 313 is movably installed on the inner wall of the counterweight hole 311 opened at the triangular part of the fidget spinner 310. A movable angle plate 307 is rotatably connected to the outer surface of the fastening bolt 313. A vision sensor 303, The laser displacement sensor 304, infrared sensor 305, and camera 306 are respectively fixedly installed on the outer surfaces of the four movable corner plates 307. The outer surface of the fixing screw 308 is movably fitted with a first washer 309 and a second washer 312, which are located on both sides of the fidget spinner 310. The outer surface of the fastening bolt 313 is movably fitted with a third washer 314 and a fourth washer 315, which are located on both sides of the movable corner plate 307. One end of the fixing screw 308 and one end of the fastening bolt 313 are threaded with nuts.

[0044] When inspecting the edge sealing defects of the edge sealing board 4, each inspection instrument of the inspection component 3 needs to remain stable. Therefore, each inspection instrument is installed on the movable corner plate 307 at the corresponding position. By fitting the fidget spinner 310 around the fixed screw 308, it can rotate smoothly without jamming under the limiting of the first washer 309 and the second washer 312. At the same time, the movable corner plate 307 is installed inside one of the counterweight holes 311 by using the fastening bolt 313. Under the action of gravity, the position of this hole is conveniently located at the bottom. When the fixed corner plate 302 moves to the inspection area and stops moving, the vibration generated by the inspection instrument will be quickly reduced and eliminated, so that the stability can still be maintained when inspecting the edge sealing defects of a large area of ​​edge sealing board 4 in the moving state, thereby improving the accuracy of the inspection.

[0045] The device's operation and working principle are as follows: During use, the edge banding board 4 is placed stably on the supporting platform. The automatic moving device 101 moves automatically according to a set path, causing the edge of the edge banding board 4 to be inspected to enter the U-shaped inspection space. The connecting plate 104 increases the fixed area between the supporting column 102 and the automatic moving device 101. The control device 103 is electrically connected to the automatic moving device 101, the lighting strip 209, the forward and reverse motor 214, the vision sensor 303, the laser displacement sensor 304, the infrared sensor 305, and the camera 306. The control device 103 can send automatic operation commands to each connected component. The electrical equipment is automatically controlled; by starting the forward and reverse motor 214, the drive roller 213 is rotated, thereby driving the conveyor belt 210 to move along the U-shaped first fixed track 201 and second fixed track 203, so that the detection component 3 reaches the designated position. Since the conveyor belt 210 is in contact with the drive roller 213 and multiple conveyor rollers 204 at the same time, there is a large friction force, which will drive the conveyor belt 210 to move along the outer edge path of the first fixed track 201 and second fixed track 203, thereby causing each detection component 3 installed on one side of the conveyor belt 210 to move along this path; edge sealing defects are detected by the detection component 3, wherein the vision sensor 3 is used. 03 can acquire image information of the edge banding area, convert it into electrical signals, and then the computer analyzes and processes it to determine whether there are defects in the edge banding, such as gaps, bubbles, missing glue, or uneven edges. The laser displacement sensor 304 uses a laser beam to irradiate the edge banding surface and calculates the distance between the edge banding surface and the sensor by measuring the time or angle of the laser reflection, thereby obtaining the contour information of the edge banding surface and detecting whether the thickness of the edge banding strip is uniform and whether the surface is flat. Then, the infrared sensor 305 uses infrared sensor 305 to detect the edge of the edge banding board 4, which can quickly detect defects hidden in the edge banding, such as tiny bubbles or areas of glue delamination. For some surfaces... Defects that are not easily detected can be detected effectively, while the camera 306 captures images of the defective parts for easy inspection. During inspection, when one of the inspection instruments detects a defect, it is not necessary to start the other inspection instruments; the camera 306 can simply capture the defective part. The conveyor belt 210 is driven by the forward and reverse motor 214 to change the position of the inspection component 3, allowing for a second or more inspections of the same edge sealing area, which can improve the accuracy of the inspection and facilitate verification. After each edge sealing area is inspected, the automatic moving device 101 moves the position to inspect the next edge sealing area, and so on, to complete the inspection of edge sealing defects in all areas of the entire edge sealing board 4.

[0046] The wiring diagrams for the automatic moving device 101, control device 103, lighting strip 209, forward and reverse motor 214, vision sensor 303, laser displacement sensor 304, infrared sensor 305, and camera 306 in this invention are common knowledge in the field, and their working principles are known technologies. The appropriate model is selected according to actual use. Therefore, the control methods and wiring layouts of the automatic moving device 101, control device 103, lighting strip 209, forward and reverse motor 214, vision sensor 303, laser displacement sensor 304, infrared sensor 305, and camera 306 will not be explained in detail.

[0047] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A device for detecting defects in the edge banding of sheet metal, characterized in that: The device includes a moving component (1) and an adjusting component (2). The adjusting component (2) is fixedly installed on the top of the moving component (1). The adjusting component (2) includes a first fixed track (201) and a second fixed track (203) that are parallel to each other and form a U-shaped detection space. The U-shaped detection space faces the edge banding board (4) to be inspected so that the edge of the edge banding board (4) can enter for edge banding defect detection. The first fixed track (201) and the second fixed track (203) are fixedly connected by multiple fixed rods (202). Each fixed rod (202) has a conveying roller (204) rotatably connected to its outer surface. The multiple conveying rollers (204) are movably connected to a conveyor belt (210). The conveyor belt (210) is driven by a forward and reverse motor (214). Multiple detection components (3) are provided on one side of the conveyor belt (210). The detection components (3) perform edge banding defect detection on the edge banding board (4) as the position of the conveyor belt (210) changes. The moving component (1) includes an automatic moving device (101) for automatic movement along a set path. A connecting plate (104) is fixedly connected to the top of the automatic moving device (101). A support column (102) is fixedly connected to the top of the connecting plate (104). The top of the support column (102) is fixedly connected to the outer surface of the first fixed track (201). The outer surface of the first fixed track (201) is fixedly connected to two U-shaped corners with fixed blocks (205), and the outer surfaces of the two fixed blocks (205) are fixedly connected to support rods (206). The outer surfaces of the two support rods (206) are rotatably connected to positioning rollers (208), and the positioning rollers (208) are used to position the conveyor belt (210). One end of the two support rods (206) is fixedly connected to a limit block (207). Each detection component (3) includes a vision sensor (303), a laser displacement sensor (304), an infrared sensor (305), and a camera (306); the detection component (3) also includes a positioning block (301), which is fixedly connected to one side of the conveyor belt (210). A fixed angle plate (302) is fixedly connected to the outer surface of the positioning block (301). A fixed screw (308) is fixedly connected to one end of the fixed angle plate (302). A fidget spinner (310) is slidably sleeved on the outer surface of the fixed screw (308). A fastening bolt (313) is movably installed on the inner wall of the counterweight hole (311) opened at the triangle of the fidget spinner (310). A movable angle plate (307) is rotatably connected to the outer surface of the fastening bolt (313). The vision sensor (303), the laser displacement sensor (304), the infrared sensor (305), and the camera (306) are respectively fixedly installed on the outer surface of the movable angle plate (307).

2. The sheet metal edge banding defect detection equipment according to claim 1, characterized in that: The outer surface of the support column (102) is provided with a control device (103), which is electrically connected to the automatic moving device (101), the forward and reverse motor (214), and the detection component (3).

3. The sheet metal edge banding defect detection equipment according to claim 2, characterized in that: The control device (103) is equipped with a human-machine interface, which is a combination of a touch screen or buttons and a display screen.

4. The sheet metal edge banding defect detection equipment according to claim 2, characterized in that: A lighting strip (209) for illuminating the edge banding board (4) is provided on one side of the first fixed track (201) near the inner wall. The lighting strip (209) is electrically connected to the control device (103).

5. The sheet metal edge banding defect detection equipment according to claim 2, characterized in that: A support block (211) is fixedly connected to one side of the first fixed track (201). A forward and reverse motor (214) is provided on the top of the support block (211). A rotating hole (215) is opened on one side of the first fixed track (201). The output shaft of the forward and reverse motor (214) rotates on the inner wall of the rotating hole (215). A limit rod (212) is fixedly connected to one side of the second fixed track (203). A drive roller (213) is rotatably connected to the outer surface of the limit rod (212). The output shaft of the forward and reverse motor (214) is fixedly connected to one end of the drive roller (213).

6. The sheet metal edge banding defect detection device according to claim 1, characterized in that: The outer surface of the fixing screw (308) is movably fitted with a first washer (309) and a second washer (312). The first washer (309) and the second washer (312) are located on both sides of the fidget spinner (310). The outer surface of the fastening bolt (313) is movably fitted with a third washer (314) and a fourth washer (315). The third washer (314) and the fourth washer (315) are located on both sides of the movable angle plate (307). One end of the fixing screw (308) and one end of the fastening bolt (313) are threaded with nuts.

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