Copper-clad plate surface flatness detection equipment

Abstract

The invention relates to a copper-clad plate surface flatness detection device, and relates to the technical field of copper-clad plate flatness detection, the copper-clad plate surface flatness detection device comprises a rack, a workbench arranged on the rack and a supporting plate rotatably arranged on the workbench, the supporting plate is provided with an accommodating hole for the copper-clad plate to be movably installed, and the accommodating hole is provided with a positioning hole. The rack is provided with a plugging assembly used for movably plugging the open end of the containing hole, an overturning assembly used for driving the supporting plate to rotate and a detection assembly used for detecting the surface flatness of the copper-clad plate. The method has the advantages that the risk of damage to the surface of the copper-clad plate is reduced, and the detection efficiency and the detection accuracy of the surface flatness of the copper-clad plate are improved.

Description

Technical Field

[0001] This application relates to the technical field of flatness detection of copper clad laminates, and in particular to a device for detecting the surface flatness of copper clad laminates. Background Art

[0002] A copper clad laminate is a plate-like material made by impregnating an electronic glass fiber cloth or other reinforcing material with resin, covering both sides with copper foil and hot pressing. By selectively processing, etching, drilling, and copper plating the copper clad laminate, different printed circuit boards are made. In high-frequency, high-speed, and high-density circuits, high performance requirements are imposed on the surface flatness of the copper clad laminate.

[0003] Currently, contact measurement is commonly used to detect the surface flatness of copper clad laminates, such as a micrometer, a dial indicator, or a profiler. During detection, technicians first horizontally fix the copper clad laminate on the detection device to support and fix the copper clad laminate, making it not easily bend or deform. Then, technicians bring the probe of the micrometer, dial indicator, or profiler into contact with the surface of the copper clad laminate, and then move the probe horizontally along the surface of the copper clad laminate, thereby measuring and analyzing the height differences at different positions, and thus calculating the flatness index of the object surface. Then, the technicians flip the copper clad laminate and detect the flatness of the other surface of the copper clad laminate.

[0004] Regarding the above related technologies, during detection, the probe needs to measure multiple positions on the surface of the copper clad laminate, resulting in low detection efficiency. Moreover, when the probe moves along the surface of the copper clad laminate, it is easy to damage the surface of the copper clad laminate, and at the same time, it is easy to cause wear or damage to the probe, reducing the detection accuracy; when detecting the flatness of the other surface of the copper clad laminate, it is necessary to flip the copper clad laminate and refix it on the detection device. Multiple fixings are likely to damage the copper clad laminate, reducing the surface quality of the copper clad laminate and affecting the detection efficiency. Summary of the Invention

[0005] In order to reduce the risk of damaging the surface of the copper clad laminate and improve the detection efficiency and accuracy of the surface flatness of the copper clad laminate, this application provides a device for detecting the surface flatness of copper clad laminates.

[0006] The device for detecting the surface flatness of copper clad laminates provided by this application adopts the following technical solution: A device for detecting the surface flatness of copper clad laminates includes a frame, a workbench provided on the frame, and a support plate rotatably provided on the workbench. An accommodation hole for movably installing the copper clad laminate is opened on the support plate. A blocking component for movably blocking the open end of the accommodation hole, a flipping component for driving the support plate to rotate, and a detection component for detecting the surface flatness of the copper clad laminate are provided on the frame; The detection component includes a light-shielding cover that is vertically arranged on the frame. The light-shielding cover is movably attached to the side wall of the support plate away from the workbench. The bottom of the light-shielding cover is open. A transparent plate is inclined in the light-shielding cover. The side of the transparent plate inclined downward is movably attached to the copper clad laminate. A monochromatic light source and a video detection module are arranged in the light-shielding cover. A lifting member for driving the light-shielding cover to lift is arranged on the frame; The plugging component includes two groups of movable plates that are slidably arranged on the support plate. The two groups of movable plates respectively perform alternative movable plugging on the two open ends of the receiving hole. Each group of movable plates includes two movable plates that slide close to / away from each other. The copper clad laminate is movably attached to the side wall of the movable plates close to each other. An adjusting member for driving the movable plates to slide synchronously is arranged on the frame; When the support plate rotates to the horizontal position, the two movable plates at the top of the support plate move away from each other, and the upward open end of the receiving hole is in a communicating state. The two movable plates at the bottom of the support plate move close to each other and plug the downward open end of the receiving hole.

[0007] By adopting the above technical solution, when detection is required, the technician places the copper clad laminate into the receiving hole. At this time, the support plate is in a horizontal state. The two movable plates at the top of the support plate move away from each other, and the upward open end of the receiving hole is in a communicating state, facilitating the technician to place the copper clad laminate into the receiving groove. At the same time, the two movable plates at the bottom of the support plate move close to each other, plug the downward open end of the receiving hole, and are attached to the copper clad laminate, making it difficult for the copper clad laminate to bend and deform. At the same time, the side wall of the copper clad laminate is attached to the inner side wall of the receiving hole, realizing the support and fixation of the copper clad laminate. This is the initial state of the movable plates.

[0008] Then the lifting member drives the light-shielding cover to descend, making the light-shielding cover attached to the support plate. At this time, the side of the transparent plate close to the open end of the light-shielding cover is attached to the copper clad laminate, forming a wedge-shaped air film between the transparent plate and the surface of the copper clad laminate.

[0009] Then the monochromatic light source emits parallel monochromatic light towards the copper clad laminate, causing the incident light to be reflected on the upper and lower surfaces of the air film respectively, and the two reflected light beams interfere with each other to form interference fringes. At the same time, the video detection module collects and records the interference fringe image, and analyzes the shape, spacing, and deformation degree of the interference fringes. When there are unevenness on the surface of the copper clad laminate, the interference fringes appear bent, distorted, or uneven in spacing. When the surface of the copper clad laminate is flat, the interference fringes appear as uniform parallel lines, realizing the detection of the surface flatness of the copper clad laminate. The detection efficiency is high, and the detection is non-contact, reducing the risk of damage to the surface of the copper clad laminate and improving the detection accuracy.

[0010] At the same time, the provided light-shielding cover can effectively block external stray light and reduce the influence of ambient light on the detection accuracy.

[0011] After the detection is completed, the lifting member drives the light-shielding cover to rise, and then the flipping assembly drives the support plate to rotate. At this time, the light-shielding cover is not likely to hinder the rotation of the support plate. At the same time, the adjusting member drives the movable plate to slide until the support plate rotates to be horizontal again. At this time, the surface of the copper clad laminate that has been detected rotates to face the workbench, and at the same time, the movable plate is in the initial state, and the surface of the copper clad laminate that has not been detected faces upward, realizing the flipping and supporting fixation of the copper clad laminate.

[0012] Then the lifting member drives the light-shielding cover to descend and rise again, realizing the detection of the second surface of the copper clad laminate, thereby realizing the rapid detection of the flatness of the two surfaces of the copper clad laminate. And at this time, the support plate is horizontal and the movable plate is in the initial state, which is convenient for the next detection and improves the detection efficiency.

[0013] Optionally, the adjusting member includes a limiting rod disposed on the movable plate. A limiting groove for the limiting rod to slide is formed on the rotating shaft of the support plate. The limiting rod is in movable abutment with the inner side wall of the limiting groove. There are two support cylinders on the workbench, and the two support cylinders are coaxially and rotatably connected to the two ends of the rotating shaft of the support plate respectively. The two movable plates in each group correspond to the two support cylinders one by one. A guiding groove is formed on the inner peripheral wall of the support cylinder. A guiding column is provided at one end of the limiting rod away from the movable plate. The guiding column is slidably adapted to the guiding groove. The guiding groove includes two oppositely arranged guiding grooves, and the guiding grooves are spirally arranged around the inner peripheral wall of the support cylinder. The two guiding grooves are communicated with each other, and the connection part has a smooth transition.

[0014] By adopting the above technical solution, when the flipping assembly drives the support plate to rotate, the limiting rod abuts against the inner side wall of the limiting groove, causing the limiting rod and the guiding column to rotate synchronously, so that the guiding column slides in the guiding groove. Since the guiding groove includes two oppositely arranged guiding grooves, and the guiding grooves are spirally arranged along the peripheral wall of the rotating hole, the limiting rod slides in the limiting groove, so that the two movable plates in one group slide close to each other, and the two movable plates in the other group slide away from each other. And when the support plate rotates, the movable plates on both sides of the support plate are simultaneously attached to the copper clad laminate, making it difficult for the copper clad laminate to slide out of the accommodating hole until the support plate rotates to be horizontal. At this time, the surface of the copper clad laminate that has been detected rotates to face the workbench, and the movable plate moves to the initial state, realizing the synchronous and coordinated progress of the flipping of the copper clad laminate and the support and fixation of the copper clad laminate, improving the operation efficiency of the equipment, and saving the power source at the same time.

[0015] Optionally, two pressure sensors are provided in each support cylinder, and the two pressure sensors correspond to the two movable plates on one support cylinder one by one. The two pressure sensors are in movable contact with the limiting rod. A controller is provided on the workbench, and the pressure sensors and the flipping assembly are electrically connected to the controller.

[0016] By adopting the above technical solution, after the technician places the copper clad laminate into the receiving hole, the technician starts the equipment. At this time, the controller drives the flipping component to work, thereby realizing the sliding of the movable plate. When the copper clad laminate warps and deforms, the copper clad laminate is likely to press against the movable plate and cause relative movement of the movable plate, so that the limiting rod abuts and presses against the pressure sensor until the pressure sensor reaches the set threshold, which indicates that the copper clad laminate has a large warpage and deformation. At this time, the controller drives the flipping to stop working. Then the technician removes the copper clad laminate and makes a non-conforming mark on it to achieve the rough inspection of the copper clad laminate. Then the technician inspects the next copper clad laminate, thereby improving the inspection efficiency.

[0017] Optionally, a cleaning component for cleaning the surface of the copper clad laminate is arranged on the frame. A switching component for enabling the cleaning component and the detection component to be movably corresponding to the support plate is also arranged on the frame. The switching component includes a switching plate slidably arranged on the frame. A lead screw nut is arranged on the switching plate and is located on the side wall of the switching plate far away from the workbench. A switching lead screw is rotatably arranged on the frame, and the switching lead screw is in threaded fit with the lead screw nut. The light-shielding cover is arranged on the switching plate in a lifting manner. The cleaning component is arranged on the switching plate. A second power component for driving the switching lead screw to rotate is arranged on the frame.

[0018] By adopting the above technical solution, after the copper clad laminate is placed in the receiving hole, the second power component drives the switching lead screw to rotate, thereby driving the lead screw nut and the switching plate to slide, making the cleaning component correspond to the support plate. Then the cleaning component cleans the surface of the copper clad laminate, reduces the influence of dust and other impurities on the surface of the copper clad laminate on the detection result, and improves the accuracy of the flatness detection of the surface of the copper clad laminate.

[0019] After the cleaning is completed, the second power component drives the switching plate to continue sliding until the light-shielding cover corresponds to the support plate. At this time, the second power component stops working. Then the lifting component drives the light-shielding cover to descend and detects the copper clad laminate.

[0020] After the detection is completed, the lifting component drives the light-shielding cover to rise, and at the same time the second power component drives the switching plate to slide in the reverse direction until the cleaning component moves to the position before cleaning, so that the cleaning component and the light-shielding cover do not easily hinder the rotation of the support plate, which is convenient for subsequent detection of the second surface of the copper clad laminate.

[0021] Optionally, the lifting component includes a connecting rod arranged at the top of the light-shielding cover. The connecting rod elastically slides through the switching plate. A pressing block is arranged on the frame. The side wall of the pressing block close to the connecting rod is inclined. The end of the connecting rod far away from the light-shielding cover is movably pressed against the inclined side of the pressing block.

[0022] By adopting the above technical solution, after cleaning is completed, the second power member drives the switching plate to slide, thereby driving the light shield and the connecting rod to move synchronously. At this time, the inclined side of the clamping block clamps and drives the connecting rod to slide in the direction close to the support plate, thereby realizing the lowering of the light shield until the light shield moves to correspond to the support plate. At this time, the light shield is lowered to fit the support plate; when the switching plate slides in the opposite direction, the connecting rod slides in the direction away from the support plate under the elastic force, thereby realizing the rising of the light shield.

[0023] The switching plate slides synchronously with the raising / lowering of the light shield, which improves the operation efficiency of the equipment and saves power source. At the same time, when the switching plate slides, the light shield does not contact the supporting plate, so that it is not easy to generate a gap between the light shield and the supporting plate due to friction, thereby improving the light shielding performance of the light shield.

[0024] Optionally, the cleaning component includes a cleaning roller arranged on the switching plate, the cleaning roller being movably fitted with the side wall of the copper clad plate away from the workbench, a rotating cylinder being coaxially arranged inside the cleaning roller, a plurality of first connecting holes being provided on the rotating cylinder, a plurality of second connecting holes being provided on the cleaning roller, a plurality of first connecting holes being movably corresponding to a plurality of second connecting holes, a liquid storage tank for storing cleaning liquid being provided on the switching plate, a liquid outlet pump being provided on the liquid storage tank, a connecting hose being connected between the liquid outlet pump and the rotating cylinder, a driving member being provided on the frame to make the first connecting holes correspond to the second connecting holes, and a collecting component for collecting the cleaning liquid after cleaning is also provided on the frame.

[0025] By adopting the above technical solution, after the copper clad laminate is placed in the accommodating hole, the second power member drives the switching plate to slide so that the cleaning roller corresponds to the support plate, and then the cleaning roller continues to move so that the cleaning roller and the copper clad laminate are in contact, and the surface of the copper clad laminate is wiped and cleaned as the cleaning roller moves.

[0026] When the cleaning roller is in contact with the copper clad laminate, the driving member connects the first connecting hole with the second connecting hole, and at the same time the liquid outlet pump pumps the cleaning liquid in the liquid storage tank into the rotating cylinder through the connecting hose, so that the cleaning liquid flows out through the first connecting hole and the second connecting hole, thereby improving the cleaning effect.

[0027] When the cleaning roller is separated from the copper-clad laminate, the driving member causes the first connecting hole and the second connecting hole to be staggered, so that the cleaning liquid in the rotating cylinder is not easy to flow out, thereby avoiding waste of the cleaning liquid. At the same time, the collecting component collects the cleaning liquid after cleaning to improve the cleanliness of the workbench.

[0028] Optionally, the cleaning roller is rotatably arranged on the switching plate. The driving member includes a first gear coaxially arranged on the rotating shaft of the rotating cylinder and a second gear coaxially arranged on the rotating shaft of the cleaning roller. The first gear and the second gear are arranged oppositely. First racks and second racks are respectively arranged on two movable plates of each group, and the first rack and the second rack are arranged staggeredly. The first gear is selectively and movably engaged with two first racks, and the second gear is selectively and movably engaged with two second racks; When the support plate is in a horizontal state, the first gear is movably engaged with the first rack located at the top of the support plate, and the second gear is movably engaged with the second rack located at the top of the support plate. Before cleaning, the distance between the first gear and the corresponding first rack is less than the distance between the second gear and the corresponding second rack.

[0029] By adopting the above technical solution, when the cleaning roller corresponds to the support plate, the first gear is engaged with the first rack located at the top of the support plate. Then the cleaning roller continues to move. At this time, the first rack drives the first gear to rotate, thereby driving the rotating cylinder to rotate until the cleaning roller is attached to the copper clad laminate. At this time, the first communication hole and the second communication hole correspond to each other. At the same time, the second gear is engaged with the second rack located at the top of the support plate. The cleaning roller continues to move, so that the second rack drives the second gear to rotate, thereby driving the cleaning roller to rotate. At this time, the cleaning roller and the rotating cylinder rotate synchronously, so that the first communication hole and the second communication hole remain in a corresponding state, realizing continuous pumping of the cleaning liquid, and realizing rotary wiping and cleaning of the copper clad laminate, further improving the cleaning effect.

[0030] When the cleaning roller moves to be separated from the copper clad laminate, the first gear is separated from the corresponding first rack. Then the cleaning roller continues to move. At this time, the first gear and the rotating cylinder do not rotate. At the same time, the second rack continues to drive the second gear to rotate, so that the first communication hole and the second communication hole are staggered until the cleaning roller is staggered from the support plate. At this time, the second gear is separated from the corresponding second rack, and the first communication hole and the second communication hole remain in a staggered state, thereby realizing precise control of the pumping of the cleaning liquid.

[0031] Optionally, the cleaning assembly further includes a blowing disc arranged at the bottom of the switching plate. The blowing disc is hollow inside. A plurality of air outlet holes are formed in the side wall of the blowing disc close to the support plate. An air pump is arranged on the switching plate, and the air pump is communicated with the inside of the blowing disc.

[0032] By adopting the above technical solution, after the wiping and cleaning are completed, the switching board continues to slide, so that the blowing disc corresponds to the support board. At the same time, the air pump works, enabling external gas to enter the blowing disc and blow towards the support board through the air outlet holes, blowing off the cleaning liquid remaining on the surface of the copper clad laminate, keeping the surface of the copper clad laminate dry, reducing the influence of the remaining cleaning liquid on the reflection of the monochromatic light source, and improving the detection accuracy.

[0033] Optionally, the collection assembly includes a collection box movably arranged in the workbench, and the top wall of the collection box is open. A collection groove is formed in the top of the workbench, a liquid discharge hole is formed in the inner bottom wall of the collection groove, the liquid discharge hole is communicated with the inside of the workbench, and the collection box is arranged directly below the liquid discharge hole.

[0034] By adopting the above technical solution, during cleaning, the cleaning liquid after cleaning falls into the collection groove on the top of the workbench and enters the collection box through the liquid discharge hole, realizing the collection and cleaning of the cleaning liquid and improving the cleanliness of the workbench.

[0035] Optionally, the flipping assembly includes a driven worm wheel coaxially arranged on the rotating shaft of the support board. A driving worm is rotatably arranged on the workbench, the driving worm is meshed with the driven worm wheel, and a first power member for driving the driving worm to rotate is arranged on the workbench.

[0036] By adopting the above technical solution, after the first surface of the copper clad laminate is detected, the first power member drives the driving worm to rotate, thereby driving the driven worm wheel to rotate, realizing the rotation of the support board until the surface of the copper clad laminate that has been detected faces the workbench. At this time, the first power member stops working, and due to the self-locking of the worm and worm wheel, the copper clad laminate is kept horizontal, facilitating subsequent cleaning and detection.

[0037] In summary, the present application includes at least one of the following beneficial technical effects: 1. During detection, the light-shielding cover is attached to the support board. At this time, the side of the transparent plate close to the open end of the light-shielding cover is attached to the copper clad laminate, forming a wedge-shaped air film between the transparent plate and the surface of the copper clad laminate. The monochromatic light source emits parallel monochromatic light towards the copper clad laminate, causing the incident light to be reflected on the upper and lower surfaces of the air film respectively, and the two reflected lights interfere with each other to form interference fringes. Then the video detection module collects and records the interference fringe image, and at the same time analyzes the shape, spacing, and deformation degree of the interference fringes. When there are unevenness on the surface of the copper clad laminate, the interference fringes appear bent, distorted, or uneven in spacing. When the surface of the copper clad laminate is flat, the interference fringes appear as uniform parallel lines, realizing the detection of the surface flatness of the copper clad laminate, with high detection efficiency. At the same time, the detection is non-contact, reducing the risk of damage to the surface of the copper clad laminate and improving the detection accuracy; 2. The support plate is driven to rotate by the flip assembly, so that the support plate drives the limit rod and the guide column to rotate synchronously, so that the guide column slides in the guide groove, and the limit rod slides in the limit groove, so that the two movable plates of one group slide close to each other, and the two movable plates of the other group slide away from each other, and when the support plate rotates, the movable plates on both sides of the support plate are simultaneously fitted with the copper clad plate, so that the copper clad plate is not easy to slip out of the accommodating hole, until the support plate is rotated to horizontal, and the copper clad plate is flipped. At this time, the upward opening end of the accommodating hole is in a connected state, and the downward opening end of the accommodating hole is in a blocked state, and the two movable plates at the bottom of the support plate are fitted with the copper clad plate and support the copper clad plate, so that the copper clad plate is not easy to bend and deform, and the flipping of the copper clad plate and the support and fixation of the copper clad plate are synchronously coordinated, thereby improving the operation efficiency of the equipment and saving power sources at the same time; 3. After placing the copper clad laminate in the accommodating hole, the second power member drives the switching screw to rotate, and drives the screw nut and the switching plate to slide, thereby driving the cleaning roller to move synchronously, so that the cleaning roller corresponds to the support plate, and then the cleaning roller continues to move, so that the cleaning roller and the copper clad laminate are in contact, and the surface of the copper clad laminate is wiped and cleaned as the cleaning roller moves, thereby reducing the influence of dust and other impurities on the surface of the copper clad laminate on the test results, and improving the accuracy of the copper clad laminate surface flatness detection.

[0038] At the same time, the driving member connects the first connecting hole with the second connecting hole, and the liquid outlet pump pumps the cleaning liquid in the liquid storage tank into the rotating cylinder through the connecting hose, so that the cleaning liquid flows out through the first connecting hole and the second connecting hole, thereby improving the cleaning effect.

[0039] Then the cleaning roller continues to move until it is separated from the copper clad laminate. At this time, the driving member staggers the first connecting hole and the second connecting hole, thereby achieving precise control over the pumping of the cleaning liquid and avoiding waste of the cleaning liquid. At the same time, the collecting component collects the cleaning liquid after cleaning to improve the cleanliness of the workbench. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application; Figure 2 Schematic diagram of the connection structure of the movable plate, the support plate and the support tube; Figure 3 It is a schematic diagram of the connection structure between the guide column and the support cylinder; Figure 4 It is a schematic diagram of the connection structure of the sunshade, the switching board and the rack; Figure 5 It is a schematic diagram of the connection structure of the cleaning roller, the blowing disc and the switching plate; Figure 6 It is a schematic diagram of the connection structure of the cleaning roller, the rotating cylinder and the cleaning cylinder; Figure 7It is a schematic diagram of the connection structure of the collection box and the cover plate.

[0041] Reference numerals: 1, frame; 11, workbench; 12, controller; 2, support plate; 21, accommodation hole; 3, copper clad laminate; 4, plugging assembly; 41, movable plate; 42, adjusting member; 421, limiting rod; 422, limiting groove; 423, support cylinder; 424, guiding groove; 425, guiding column; 426, pressure sensor; 5, detection assembly; 51, light-shielding cover; 52, transparent plate; 53, monochromatic light source; 54, video detection module; 55, lifting member; 551, connecting rod; 552, pressing block; 553, roller; 6, switching assembly; 61, switching plate; 62, lead screw nut; 63, switching lead screw; 64, second power member; 7, cleaning assembly; 71, cleaning roller; 711, second communication hole; 72, rotating cylinder; 721, first communication hole; 73, cleaning cylinder; 74, liquid storage tank; 75, liquid outlet pump; 76, air blowing disc; 77, air pump; 78, driving member; 781, first gear; 782, second gear; 783, first rack; 784, second rack; 8, collection assembly; 81, collection box; 82, collection groove; 83, drain hole; 84, cleaning port; 85, cover plate; 9, flipping assembly; 91, driven worm gear; 92, driving worm; 93, first power member. Detailed implementation manners

[0042] The following will Figure 1-7 further describe the present application in detail.

[0043] An embodiment of the present application discloses a copper clad laminate surface flatness detection device. Referring to Figure 1 and Figure 2 , a copper clad laminate surface flatness detection device includes a frame 1 placed on the ground and a workbench 11 fixed on the frame 1. A support plate 2 is rotatably connected to the workbench 11, and the rotation axis of the support plate 2 is consistent with the length direction of the frame 1. An accommodation hole 21 is formed in the support plate 2. The copper clad laminate 3 is placed in the accommodation hole 21 and is in movable contact with the inner side wall of the accommodation hole 21. When the copper clad laminate 3 is located in the accommodation hole 21, the two surfaces of the copper clad laminate 3 are respectively consistent with the opposite side walls of the support plate 2. A plugging assembly 4 for movably plugging the open end of the accommodation hole 21 is provided on the workbench 11.

[0044] In order to drive the support plate 2 to rotate and realize the flipping of the copper clad laminate 3, a flipping assembly 9 is provided on the frame 1. Referring to Figure 1, the flipping assembly 9 includes a driven worm wheel 91 coaxially fixed to the rotating shaft of the support plate 2. A driving worm 92 is rotatably connected to the workbench 11. The rotation direction of the driving worm 92 is horizontally arranged and is parallel to the rotation axial direction of the support plate 2. The driving worm 92 meshes with the driven worm wheel 91. A first power member 93 for driving the driving worm 92 to rotate is arranged on the workbench 11. In this application, the first power member 93 is set as a driving motor.

[0045] Refer to Figure 2 , the plugging assembly 4 includes two groups of movable plates 41 slidably connected to the support plate 2. The two groups of movable plates 41 respectively perform alternative movable plugging on the two open ends of the accommodation hole 21. Each group of movable plates 41 includes two movable plates 41 that slide close to / away from each other. The sliding direction of the movable plates 41 is parallel to the rotation axis direction of the support plate 2. The copper clad laminate 3 is movably attached to the side wall of the movable plates 41 that are close to each other. An adjusting member 42 for driving the movable plates 41 to slide synchronously is arranged on the frame 1.

[0046] Refer to Figure 2 and Figure 3 , the adjusting member 42 includes a limiting rod 421 fixed to the movable plate 41. A limiting groove 422 for the limiting rod 421 to slide is formed on the rotating shaft of the support plate 2. The limiting rod 421 is movably abutted against the inner side wall of the limiting groove 422. Two support cylinders 423 are fixed to the top of the workbench 11. The two support cylinders 423 are respectively coaxially rotatably connected to the two ends of the rotating shaft of the support plate 2. The two movable plates 41 of each group correspond to the two support cylinders 423 one by one. A guide groove is formed on the inner peripheral wall of the support cylinder 423. One end of the limiting rod 421 away from the movable plate 41 is fixed with a guide post 425. The guide post 425 is slidably adapted to the guide groove. The guide groove includes two oppositely arranged guide grooves 424. The guide grooves 424 are spirally arranged around the inner peripheral wall of the support cylinder 423. The two guide grooves 424 communicate with each other, and the connection part is smoothly transitioned. One end of the guide groove 424 close to the support plate 2 is located below the axis of the support cylinder 423, and the other end of the guide groove 424 is located above the axis of the support cylinder 423. Two pressure sensors 426 are arranged in each support cylinder 423. The two pressure sensors 426 correspond to the two movable plates 41 on one support cylinder 423 one by one. The two pressure sensors 426 are movably attached to the limiting rod 421. A controller 12 is arranged on the workbench 11. The pressure sensors 426 and the first power member 93 are both electrically connected to the controller 12.

[0047] When the copper clad laminate 3 needs to be fixed, the technician places the copper clad laminate 3 into the receiving hole 21. At this time, the support plate 2 is in a horizontal state, and the upward opening end of the receiving hole 21 is in a communicating state, facilitating the technician to place the copper clad laminate 3 into the receiving groove. The two movable plates 41 at the bottom of the support plate 2 block the downward opening end of the receiving hole 21 and fit against the copper clad laminate 3. At the same time, the side wall of the copper clad laminate 3 fits against the inner side wall of the receiving hole 21, and the two surfaces of the copper clad laminate 3 are respectively aligned with the opposite side walls of the support plate 2, realizing the support and fixation of the copper clad laminate 3, making the copper clad laminate 3 not easily bend and deform. At this time, it is the initial state of the movable plate 41.

[0048] Then the technician starts the equipment. At this time, the controller 12 drives the first power component 93 to work. The first power component 93 drives the driving worm 92 to rotate, driving the driven worm gear 91 to rotate, realizing the rotation of the support plate 2. At this time, the limiting rod 421 abuts against the inner side wall of the limiting groove 422, making the limiting rod 421 rotate synchronously with the guiding column 425, so that the guiding column 425 slides in the guiding groove. Since the guiding groove includes two oppositely arranged guiding grooves 424, and the guiding grooves 424 are spirally arranged along the circumferential wall of the rotation hole, the limiting rod 421 slides in the limiting groove 422, so that the two movable plates 41 in one group slide close to each other, and the two movable plates 41 in the other group slide away from each other. At the same time, when the support plate 2 rotates, the movable plates 41 on both sides of the support plate 2 simultaneously fit against the copper clad laminate 3, making the copper clad laminate 3 not easily slide out of the receiving hole 21.

[0049] When the copper clad laminate 3 has warping and deformation, the copper clad laminate 3 easily abuts against the movable plate 41 and causes the movable plate 41 to move relatively, so that the limiting rod 421 abuts against and presses against the pressure sensor 426 until any one of the pressure sensors 426 reaches the set threshold, which indicates that the warping and deformation of the copper clad laminate 3 is large. At this time, the controller 12 drives the first power component 93 to stop working. Then the technician removes the copper clad laminate 3, makes a non-conforming mark on it, and inspects the next copper clad laminate 3, realizing the rough inspection of the copper clad laminate 3, thereby improving the inspection efficiency.

[0050] When the copper clad laminate 3 has no obvious warping and deformation, the first power component 93 continues to work until the support plate 2 rotates to be horizontal again, and due to the self-locking of the worm and worm gear, the copper clad laminate 3 is kept horizontal. Since one end of the guiding groove 424 close to the support plate 2 is located below the axis of the support cylinder 423, and the other end of the guiding groove 424 is located above the axis of the support cylinder, at this time, the movable plate 41 moves to the initial state, realizing the synchronous coordination of the flipping of the copper clad laminate 3 and the support and fixation of the copper clad laminate 3, improving the operation efficiency of the equipment and saving the power source at the same time.

[0051] Further, a switching component 6 is provided on the frame 1. Refer to Figure 4 and Figure 5, the switching component 6 includes a switching plate 61 slidably connected to the frame 1. The sliding direction of the switching plate 61 is consistent with the width direction of the frame 1. The switching plate 61 is located on the side of the support plate 2 away from the workbench 11. A lead screw nut 62 is fixed on the side wall of the switching plate 61 away from the workbench 11. A switching lead screw 63 is rotatably connected to the frame 1. The rotation axis of the switching lead screw 63 is parallel to the sliding direction of the switching plate 61. The switching lead screw 63 is threadedly engaged with the lead screw nut 62. A second power member 64 for driving the rotation of the switching lead screw 63 is provided on the frame 1. In this application, the second power member 64 is a lead screw motor.

[0052] In order to detect the surface of the copper clad laminate 3, a detection component 5 is provided on the frame 1. Refer to Figure 4 , the detection component 5 includes a light-shielding cover 51 liftably connected to the switching plate 61. The light-shielding cover 51 is located between the switching plate 61 and the support plate 2, and the light-shielding cover 51 is movably attached to the side wall of the support plate 2 away from the workbench 11. The bottom of the light-shielding cover 51 is open. A transparent plate 52 is obliquely fixed inside the light-shielding cover 51. The side of the transparent plate 52 close to the open end of the light-shielding cover 51 is movably attached to the copper clad laminate 3. A monochromatic light source 53 and a video detection module 54 are fixed inside the light-shielding cover 51. Both the monochromatic light source 53 and the video detection module 54 are arranged facing the support plate 2. In this application, the monochromatic light source 53 is an LED monochromatic lamp. A lifting member 55 for driving the lifting of the light-shielding cover 51 is provided on the frame 1.

[0053] Refer to Figure 4 , the lifting member 55 includes a connecting rod 551 fixed to the top of the light-shielding cover 51. The connecting rod 551 slidably penetrates through the switching plate 61. The sliding direction of the connecting rod 551 is consistent with the height direction of the frame 1. In order to improve the stability of the lifting of the light-shielding cover 51, there are two connecting rods 551. The two connecting rods 551 are arranged oppositely. Two abutting blocks 552 are fixed on the frame 1. The two abutting blocks 552 correspond to the two connecting rods 551 one by one. The side wall of the abutting block 552 close to the connecting rod 551 is inclined. A roller 553 is rotatably connected to the end of the connecting rod 551 away from the light-shielding cover 51. The rotation axis of the roller 553 is parallel to the rotation axis of the support plate 2. The roller 553 is movably abutted against the inclined side of the abutting block 552.

[0054] After the copper clad laminate 3 is fixed, the second power member 64 drives the switching screw 63 to rotate, drives the screw nut 62 and the switching plate 61 to slide, thereby driving the light shield 51 and the connecting rod 551 to move synchronously, so that the inclined side of the clamping block 552 presses against the roller 553, and drives the connecting rod 551 to slide in the direction close to the support plate 2, so as to realize the lowering of the light shield 51 until the light shield 51 corresponds to the support plate 2. At this time, the light shield 51 is lowered to fit with the support plate 2, and the side of the transparent plate 52 close to the open end of the light shield 51 is in contact with the copper clad laminate 3, so that a wedge-shaped air film is formed between the transparent plate 52 and the surface of the copper clad laminate 3, and then the second power member 64 stops working.

[0055] Then the monochromatic light source 53 emits parallel monochromatic light toward the copper clad laminate 3, so that the incident light is reflected on the upper and lower surfaces of the air film respectively, and the two reflected light beams interfere to form interference fringes. At the same time, the video detection module 54 collects and records the interference fringes image, and analyzes the shape, spacing and deformation degree of the interference fringes. When the surface of the copper clad laminate 3 is uneven, the interference fringes appear to be bent, twisted or unevenly spaced. When the surface of the copper clad laminate 3 is flat, the interference fringes appear to be uniform parallel lines, thereby realizing the detection of the surface flatness of the copper clad laminate 3. The detection efficiency is high, and the detection is non-contact, which reduces the risk of damage to the surface of the copper clad laminate 3 and improves the detection accuracy.

[0056] After the detection is completed, the second power member 64 works to drive the switching plate 61 to slide in the opposite direction, and the connecting rod 551 slides in the direction away from the support plate 2 under the elastic force, thereby realizing the rising of the light shield 51 until the light shield 51 is staggered with the support plate 2, so that the light shield 51 is not easy to hinder the rotation of the support plate 2, which is convenient for the next detection. At the same time, the sliding of the switching plate 61 and the rising / lowering of the light shield 51 are synchronized, thereby improving the operating efficiency of the equipment and saving power source. At the same time, when the switching plate 61 slides, the light shield 51 does not contact the support plate 2, so that it is not easy to generate a gap between the light shield 51 and the support plate 2 due to friction, thereby improving the light shielding performance of the light shield 51 and improving the accuracy of the detection.

[0057] Further, in order to clean the surface of the copper clad plate 3 to be tested, a cleaning component 7 is provided on the rack 1, referring to Figure 5 and Figure 6, the cleaning assembly 7 includes a cleaning roller 71 rotatably connected to the switching plate 61. The rotation axis of the cleaning roller 71 is parallel to the rotation axis of the support plate 2. A cleaning cylinder 73 is coaxially fixed on the outer peripheral wall of the cleaning roller 71. In this application, the cleaning cylinder 73 is made of sponge material. In other embodiments, the cleaning cylinder 73 can also be made of other materials such as microfiber cloth or soft brush. The cleaning cylinder 73 is movably attached to the side wall of the copper clad laminate 3 away from the workbench 11. A rotating cylinder 72 is coaxially rotatably connected inside the cleaning roller 71. A plurality of first communication holes 721 are formed in the rotating cylinder 72. A plurality of second communication holes 711 are formed in the cleaning roller 71. The plurality of first communication holes 721 and the plurality of second communication holes 711 are movably corresponding. Damping is provided at the rotation connections of the rotating cylinder 72 and the cleaning roller 71, so that when the first gear 781 is separated from both first racks 783 and the second gear 782 is separated from both second racks 784, the rotating cylinder 72 and the cleaning roller 71 are not prone to rotation.

[0058] A liquid storage tank 74 for storing cleaning liquid is fixed on the top of the switching plate 61. A liquid outlet pump 75 is fixed on the liquid storage tank 74. A connecting hose is connected between the liquid outlet pump 75 and the rotating cylinder 72. A driving member 78 for making the first communication holes 721 correspond to the second communication holes 711 is provided on the frame 1.

[0059] Refer to Figure 5 and Figure 6 , the driving member 78 includes a first gear 781 coaxially fixed on the rotating shaft of the rotating cylinder 72 and a second gear 782 coaxially fixed on the rotating shaft of the cleaning roller 71. The first gear 781 and the second gear 782 are arranged oppositely. A first rack 783 and a second rack 784 are respectively fixed on each of the two movable plates 41 of each group, and the first rack 783 and the second rack 784 are arranged alternately. The first gear 781 is selectively and movably engaged with one of the two first racks 783, and the second gear 782 is selectively and movably engaged with one of the two second racks 784; When the support plate 2 is in a horizontal state, the first gear 781 is movably engaged with the first rack 783 located on the top of the support plate 2, and the second gear 782 is movably engaged with the second rack 784 located on the top of the support plate 2. And before cleaning, the distance between the first gear 781 and the corresponding first rack 783 is less than the distance between the second gear 782 and the corresponding second rack 784.

[0060] In order to clean the cleaning liquid remaining on the copper clad laminate 3 and reduce the influence of the remaining cleaning liquid on the reflection of the monochromatic light source 53, refer to Figure 5 , the cleaning assembly 7 further includes a blowing disk 76 fixed to the bottom of the switching plate 61. The blowing disk 76 is hollow inside, and the blowing disk 76 is located between the light shielding cover 51 and the cleaning roller 71. A plurality of air outlet holes are formed in the side wall of the blowing disk 76 close to the support plate 2. An air pump 77 is fixed to the bottom of the switching plate 61. The air pump 77 is communicated with the inside of the blowing disk 76.

[0061] Before detecting the surface flatness of the copper clad laminate 3, the second power member 64 works to realize the sliding of the switching plate 61, thereby driving the cleaning roller 71 to move and making the cleaning roller 71 correspond to the support plate 2. At this time, the first gear 781 is meshed with the first rack 783 located at the top of the support plate 2, and then the cleaning roller 71 continues to move, so that the first rack 783 drives the first gear 781 to rotate, thereby driving the rotating cylinder 72 to rotate until the cleaning cylinder 73 is in contact with the copper clad laminate 3. At this time, the first connecting hole 721 corresponds to the second connecting hole 711, and the second gear 782 is meshed with the second rack 784 located at the top of the support plate 2. The cleaning roller 71 continues to move, so that the cleaning cylinder 73 wipes the copper clad laminate 3 to reduce the influence of dust and other impurities on the surface of the copper clad laminate 3 on the detection results, and improves the accuracy of the surface flatness detection of the copper clad laminate 3.

[0062] At the same time, the second rack 784 drives the second gear 782 to rotate, thereby driving the cleaning roller 71 to rotate, so that the cleaning cylinder 73 rotates and wipes the copper clad laminate 3 to improve the cleaning effect. At this time, the cleaning roller 71 and the rotating cylinder 72 keep rotating synchronously, so that the first connecting hole 721 and the second connecting hole 711 keep corresponding states. At the same time, the liquid outlet pump 75 pumps the cleaning liquid in the liquid storage tank 74 into the rotating cylinder 72 through the connecting hose, so that the cleaning liquid continues to flow to the cleaning cylinder 73 through the first connecting hole 721 and the second connecting hole 711, further improving the cleaning effect.

[0063] Until the cleaning cylinder 73 moves to separate from the copper clad laminate 3, the first gear 781 is separated from the corresponding first rack 783, and then the cleaning roller 71 continues to move. At this time, the first gear 781 and the rotating cylinder 72 do not rotate, and the second rack 784 continues to drive the second gear 782 to rotate, so that the first connecting hole 721 and the second connecting hole 711 are staggered, until the cleaning roller 71 is staggered with the support plate 2, the second gear 782 is separated from the corresponding second rack 784, so that the first connecting hole 721 and the second connecting hole 711 remain staggered, thereby realizing precise control of the outflow of the cleaning liquid and avoiding waste of the cleaning liquid.

[0064] After wiping and cleaning is completed, the switching plate 61 continues to slide so that the blowing plate 76 corresponds to the support plate 2. At the same time, the air pump 77 works to allow external air to enter the blowing plate 76 and blow toward the support plate 2 through the air outlet, thereby blowing off the cleaning liquid remaining on the surface of the copper clad laminate 3, keeping the surface of the copper clad laminate 3 dry, reducing the influence of the residual cleaning liquid on the reflection of the monochromatic light source 53, and improving the accuracy of detection.

[0065] After the detection is completed, the switching board 61 slides reversely, causing the cleaning roller 71 to move to the position before cleaning. At this time, the second gear 782 and the first gear 781 are successively engaged with the corresponding second rack 784 and the first rack 783, respectively, to achieve the second cleaning.

[0066] Furthermore, in order to collect the cleaning liquid after cleaning, a collection assembly 8 is provided on the frame 1. Refer to Figure 7 , the collection assembly 8 includes a collection box 81 that is movably placed in the workbench 11. The top wall of the collection box 81 is open. A collection groove 82 is opened at the top of the workbench 11. A drain hole 83 is opened on the inner bottom wall of the collection groove 82. The drain hole 83 is communicated with the inside of the workbench 11, and the collection box 81 is placed directly below the drain hole 83. A cleaning port 84 for taking out the collection box 81 is opened on the side wall of the workbench 11. A cover plate 85 that movably blocks the cleaning port 84 is detachably fixed on the workbench 11.

[0067] During cleaning, the cleaned cleaning liquid falls into the collection groove 82 on the top of the workbench 11 and enters the collection box 81 through the drain hole 83, realizing the collection and cleaning of the cleaning liquid, improving the cleanliness of the workbench 11. At the same time, according to the cleaning frequency, the technician regularly removes the cover plate 85, takes out the collection box 81 from the cleaning port 84, and recycles and processes the cleaning liquid in the collection box 81.

[0068] The implementation principle of a copper clad laminate surface flatness detection device according to an embodiment of the present application is as follows: When detection is required, the technician places the copper clad laminate 3 in the accommodation hole 21. At this time, the support plate 2 is in a horizontal state, and the upward opening end of the accommodation hole 21 is in a communicating state. The two movable plates 41 at the bottom of the support plate 2 block the downward opening end of the accommodation hole 21 and are in contact with the copper clad laminate 3. At the same time, the side wall of the copper clad laminate 3 is in contact with the inner side wall of the accommodation hole 21, and the two surfaces of the copper clad laminate 3 are respectively consistent with the opposite side walls of the support plate 2, realizing the support and fixation of the copper clad laminate 3. This is the initial state of the movable plate 41.

[0069] Then the technician starts the device. At this time, the controller 12 drives the first power member 93 to work. The first power member 93 drives the active worm 92 to rotate, driving the driven worm gear 91 to rotate, realizing the rotation of the support plate 2, thereby driving the limit rod 421 and the guide post 425 to rotate synchronously, and causing the guide post 425 to slide in the guide groove, so that the limit rod 421 slides in the limit groove 422, and further causing the two movable plates 41 in one group to slide close to each other, and the two movable plates 41 in the other group to slide away from each other. At the same time, when the support plate 2 rotates, the movable plates 41 on both sides of the support plate 2 are in contact with the copper clad laminate 3 at the same time, making it difficult for the copper clad laminate 3 to slide out of the accommodation hole 21.

[0070] When the copper clad laminate 3 is warped, the copper clad laminate 3 is likely to press against the movable plate 41 and cause relative movement of the movable plate 41, so that the limiting rod 421 abuts and presses against the pressure sensor 426 until any one of the pressure sensors 426 reaches the set threshold, which indicates that the copper clad laminate 3 has a large warpage. At this time, the controller 12 drives the first power component 93 to stop working. Then, the technician removes the copper clad laminate 3, makes a non - conforming mark on it, and inspects the next copper clad laminate 3 to achieve a rough inspection of the copper clad laminate 3.

[0071] When the copper clad laminate 3 has no obvious warpage, the first power component 93 continues to work until the support plate 2 rotates to be horizontal again, and the copper clad laminate 3 is kept horizontal by the self - locking of the worm and worm gear.

[0072] Then the second power component 64 works, driving the switching lead screw 63 to rotate, driving the lead screw nut 62 and the switching plate 61 to slide, thereby driving the cleaning roller 71 to move, making the cleaning roller 71 correspond to the support plate 2, and making the cleaning cylinder 73 move to fit the copper clad laminate 3. At this time, the first gear 781 moves to mesh with the first rack 783 located at the top of the support plate 2, and the first rack 783 drives the first gear 781 to rotate, thereby driving the rotating cylinder 72 to rotate, making the first communication hole 721 correspond to the second communication hole 711. At the same time, the second gear 782 meshes with the second rack 784 located at the top of the support plate 2.

[0073] The cleaning roller 71 continues to move, making the second rack 784 drive the second gear 782 to rotate, thereby driving the cleaning roller 71 to rotate, making the cleaning cylinder 73 rotate and wipe the copper clad laminate 3. At the same time, the liquid outlet pump 75 pumps the cleaning liquid in the liquid storage tank 74 into the rotating cylinder 72 through the connecting hose, and the cleaning liquid continuously flows from the first communication hole 721 to the second communication hole 711 and then to the cleaning cylinder 73.

[0074] The cleaning roller 71 continues to move, separating the cleaning cylinder 73 from the copper clad laminate 3 and staggering the cleaning roller 71 from the support plate 2. At this time, the first gear 781 is separated from the corresponding first rack 783, the first gear 781 and the rotating cylinder 72 do not rotate, and the second rack 784 continues to drive the second gear 782 to rotate, staggering the first communication hole 721 from the second communication hole 711. At this time, the second gear 782 is separated from the corresponding second rack 784, keeping the first communication hole 721 and the second communication hole 711 staggered, realizing precise control of the outflow of the cleaning liquid.

[0075] The second power component 64 drives the switching plate 61 to continue sliding, making the blowing disc 76 correspond to the support plate 2. At the same time, the air pump 77 works, allowing external gas to enter the blowing disc 76 and blowing it through the air outlet holes towards the support plate 2 to blow away the cleaning liquid remaining on the surface of the copper clad laminate 3.

[0076] Then, the second power member 64 drives the switching plate 61 to continue sliding, thereby driving the light-shielding cover 51 and the connecting rod 551 to move synchronously, causing the inclined side of the pressing block 552 to press against the roller 553, and driving the connecting rod 551 to slide in the direction approaching the support plate 2, realizing the lowering of the light-shielding cover 51 until the light-shielding cover 51 corresponds to the support plate 2. At this time, the light-shielding cover 51 descends to fit with the support plate 2, and the side of the transparent plate 52 near the opening end of the light-shielding cover 51 fits with the copper clad laminate 3, forming a wedge-shaped air film layer between the surface of the transparent plate 52 and the copper clad laminate 3. Then, the second power member 64 stops working.

[0077] Then, the monochromatic light source 53 emits parallel monochromatic light toward the copper clad laminate 3, causing the incident light to be reflected on the upper and lower surfaces of the air film respectively, and the two reflected light beams interfere with each other to form interference fringes. At the same time, the video detection module 54 collects and records the interference fringe image, and analyzes the shape, spacing, and deformation degree of the interference fringes to judge the flatness of the surface of the copper clad laminate 3, realizing the detection of the flatness of the surface of the copper clad laminate 3.

[0078] After the detection is completed, the second power member 64 drives the switching plate 61 to slide in the reverse direction until the cleaning roller 71 moves to the position before cleaning. At the same time, the connecting rod 551 slides in the direction away from the support plate 2 under the elastic force, realizing the rising of the light-shielding cover 51 while moving with the switching plate 61.

[0079] Then, the controller 12 drives the first power member 93 to work, realizing the rotation of the support plate 2 until the support plate 2 rotates to be horizontal again. Then, the other surface of the copper clad laminate 3 is cleaned and detected. Then, the technician removes the detected copper clad laminate 3 and puts in the next copper clad laminate 3, thus realizing cyclic detection.

[0080] The above are all the preferred embodiments of this application, and the protection scope of this application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A copper clad laminate surface flatness detection device, characterized in that: The machine comprises a frame, a workbench arranged on the frame, and a support plate rotatably arranged on the workbench, wherein the support plate is provided with a receiving hole for movably installing the copper-clad laminate, and the frame is provided with a blocking component for movably blocking the open end of the receiving hole, a flipping component for driving the support plate to rotate, and a detection component for detecting the flatness of the surface of the copper-clad laminate; The detection assembly includes a light shield that is lifted and arranged on the frame, the light shield is movably fitted with the side wall of the support plate away from the workbench, the bottom of the light shield is open, a transparent plate is tilted inside the light shield, the side of the transparent plate tilted downward is movably fitted with the copper-clad plate, a monochromatic light source and a video detection module are arranged inside the light shield, and a lifting member for driving the light shield to lift is arranged on the frame; The blocking assembly includes two groups of movable plates slidably arranged on the support plate, and the two groups of movable plates respectively selectively block the two open ends of the accommodating hole, and each group of movable plates includes two movable plates that slide towards / away from each other, and the copper-clad plate is movably fitted with the side walls of the movable plates that are close to each other, and the frame is provided with an adjusting member that drives the movable plates to slide synchronously; When the support plate rotates to a horizontal position, the two movable plates at the top of the support plate move away from each other, and the upward opening end of the accommodating hole is in a connected state, and the two movable plates at the bottom of the support plate approach each other, and block the downward opening end of the accommodating hole.

2. The copper clad laminate surface flatness detection device according to claim 1, characterized in that: Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.

3. The copper clad laminate surface flatness detection device according to claim 2, characterized in that: Each of the support tubes is provided with two pressure sensors, and the two pressure sensors correspond one to one with the two movable plates on one of the support tubes. The two pressure sensors are movably fitted with the limit rods. A controller is provided on the workbench, and the pressure sensors and the flip assembly are electrically connected to the controller.

4. The copper clad laminate surface flatness detection device according to claim 3, characterized in that: The switching assembly includes a switching plate slidably arranged on the frame, a screw nut is provided on the switching plate, and the screw nut is located on the side wall of the switching plate away from the workbench. A switching screw is rotatably arranged on the frame, and the switching screw is threadably adapted to the screw nut. The light shield is lifted and lowered on the switching plate, and the cleaning assembly is arranged on the switching plate. A second power part that drives the switching screw to rotate is arranged on the frame.

5. The copper clad laminate surface flatness detection device according to claim 4, characterized in that: The lifting member includes a connecting rod arranged on the top of the light shield, and the connecting rod slides through the switching plate. A clamping block is provided on the frame, and the side wall of the clamping block is inclined close to the connecting rod. The end of the connecting rod away from the light shield is movably clamped against the inclined side of the clamping block.

6. The copper clad laminate surface flatness detection device according to claim 5, characterized in that: The cleaning component includes a cleaning roller arranged on the switching plate, the cleaning roller is movably fitted with the side wall of the copper-clad plate away from the workbench, a rotating cylinder is coaxially arranged in the cleaning roller, a plurality of first connecting holes are opened on the rotating cylinder, a plurality of second connecting holes are opened on the cleaning roller, a plurality of the first connecting holes are movably corresponding to a plurality of the second connecting holes, a liquid storage tank for storing cleaning liquid is provided on the switching plate, a liquid outlet pump is provided on the liquid storage tank, a connecting hose is connected between the liquid outlet pump and the rotating cylinder, a driving member is provided on the frame to make the first connecting hole correspond to the second connecting hole, and a collecting component for collecting the cleaning liquid after cleaning is also provided on the frame.

7. The copper clad laminate surface flatness detection device according to claim 6, characterized in that: The cleaning roller is rotatably arranged on the switching plate, the driving member includes a first gear coaxially arranged on the rotating shaft of the rotating drum and a second gear coaxially arranged on the rotating shaft of the cleaning roller, the first gear and the second gear are arranged opposite to each other, the two movable plates of each group are respectively provided with a first rack and a second rack, and the first rack and the second rack are arranged alternately, the first gear is selectively engaged with one of the two first racks, and the second gear is selectively engaged with one of the two second racks; When the support plate is in a horizontal state, the first gear is movably engaged with the first rack located at the top of the support plate, and the second gear is movably engaged with the second rack located at the top of the support plate, and before cleaning, the distance between the first gear and the corresponding first rack is smaller than the distance between the second gear and the corresponding second rack.

8. The copper clad laminate surface flatness detection device according to claim 7, characterized in that: The cleaning component also includes a blowing plate arranged at the bottom of the switching plate, the blowing plate is hollow, and a plurality of air outlet holes are opened on the side wall of the blowing plate close to the supporting plate. An air pump is provided on the switching plate, and the air pump is connected to the blowing plate.

9. The copper clad laminate surface flatness detection device according to claim 8, characterized in that: The collecting assembly includes a collecting box movably arranged in the workbench, and the top wall of the collecting box is open. A collecting groove is provided on the top of the workbench, and a drainage hole is provided on the inner bottom wall of the collecting groove. The drainage hole is connected with the inside of the workbench, and the collecting box is arranged directly below the drainage hole.

10. The copper clad laminate surface flatness detection device according to claim 9, characterized in that: The flip assembly includes a driven worm gear coaxially arranged on the support plate shaft, a driving worm is rotatably arranged on the workbench, the driving worm is meshed with the driven worm gear, and a first power member is arranged on the workbench to drive the driving worm to rotate.

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