Drilling quality detection device for cross-layer micropores of five-order HDI plate

Abstract

The invention discloses a five-order HDI plate cross-layer micropore drilling quality detection device, and relates to the technical field of HDI plate cross-layer micropore quality detection.The five-order HDI plate cross-layer micropore drilling quality detection device comprises a fixing frame, a camera is arranged in the fixing frame, a marking mechanism is arranged below the camera, the marking mechanism comprises a fixing cylinder, the fixing cylinder is arranged outside the camera in a sleeving mode, and the fixing cylinder is connected with the camera. The inner wall of the fixed cylinder is fixedly connected with a bearing, the inner wall of the bearing is fixedly connected with a rotating cylinder, and the outer surface of the rotating cylinder is fixedly connected with a gear ring. According to the drilling quality detection device for the fifth-order HDI plate cross-layer micropores, the defective micropores in the fifth-order HDI plate can be conveniently and quickly found by workers, and the effects that the defective micropores in the fifth-order HDI plate can be quickly positioned, repaired and secondarily used by the workers, the detection marking accuracy of the drilling quality detection device for the fifth-order HDI plate cross-layer micropores is improved, and the subsequent repairing convenience of the fifth-order HDI plate cross-layer micropores is improved are achieved.

Description

Technical Field

[0001] This invention relates to the field of HDI board cross-layer micro-hole quality inspection technology, specifically to a drilling quality inspection device for cross-layer micro-holes in a fifth-order HDI board. Background Technology

[0002] With the rapid iteration of emerging technologies such as 5G communication, artificial intelligence, and the Internet of Things, the requirements for integration, signal transmission rate, and power consumption of high-end electronic devices continue to rise. As a core carrier component, HDI boards (high-density interconnect boards) are constantly increasing in the number of layers. Fifth-order HDI boards have become a key choice for high-end electronic devices due to their higher wiring density and interconnection capabilities. Due to the complexity of fifth-order boards, the quality of the micro-vias between layers of HDI boards will determine whether the fifth-order HDI board can work properly. Burrs, roughness, and dust contamination in the micro-vias between layers of HDI boards will seriously affect the yield rate of fifth-order HDI boards, thus requiring the use of drilling quality inspection devices to detect the drilling quality of the micro-vias in fifth-order HDI boards.

[0003] Current drilling quality inspection devices for cross-layer micro-holes in 5th-order HDI boards primarily rely on visual inspection to assess the drilling quality. Furthermore, these devices only allow for visual comparison of micro-hole quality and cannot accurately mark micro-holes with burrs, insufficient roughness, or dust contamination. Because 5th-order HDI boards have a large number of micro-holes with diameters less than or equal to 0.1 millimeters, it is difficult for staff to quickly locate defective micro-holes. This hinders the rapid repair and reuse of defective micro-holes, thus affecting the accuracy of the marking and inspection of cross-layer micro-hole drilling quality inspection devices for 5th-order HDI boards.

[0004] Combining the above problems, we find that existing drilling quality inspection devices for cross-layer microvias in fifth-order HDI boards are difficult to avoid the aforementioned problems simultaneously during use. Even if they can solve these problems, they require the assistance of external tools, thus failing to achieve the desired effect. Therefore, we propose a drilling quality inspection device for cross-layer microvias in fifth-order HDI boards. Summary of the Invention

[0005] The purpose of this invention is to provide a drilling quality inspection device for cross-layer microholes in a fifth-order HDI board, 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: a drilling quality inspection device for cross-layer micro-holes in a five-stage HDI board, comprising a fixed frame, a camera disposed inside the fixed frame, a marking mechanism disposed below the camera, the marking mechanism comprising a fixed cylinder, the fixed cylinder being sleeved outside the camera, a bearing being fixedly connected to the inner wall of the fixed cylinder, a rotating cylinder being fixedly connected to the inner wall of the bearing, a gear ring being fixedly connected to the outer surface of the rotating cylinder, a small motor being fixedly connected to the outer surface of the fixed cylinder, a transmission gear being fixedly connected to the output end of the small motor, the outer surface of the transmission gear meshing with the outer surface of the gear ring, a fixed plate being fixedly connected to the outer surface of the rotating cylinder, a positioning cylinder being fixedly connected to one side of the fixed plate, the positioning cylinder being at a certain tilt angle, and a marker pen being snapped into the inside of the positioning cylinder; A pressing mechanism is provided above the marking mechanism, and a displacement mechanism is provided inside the fixed frame.

[0007] Preferably, the bottom surface of the fixed frame is fixedly connected to two mounting brackets, and the upper surface of each of the two mounting brackets is provided with a mounting groove.

[0008] Preferably, a support frame is fixedly connected to the upper surface of the fixed frame, and a display is fixedly connected to the upper surface of the support frame. The display is electrically connected to the camera via a wire.

[0009] Preferably, the positioning cylinder is internally threaded with a fastening bolt, one end of which penetrates into the interior of the positioning cylinder and is fixedly connected to a rubber seat, one side of which contacts the outer surface of the marker pen.

[0010] Preferably, the pressing mechanism includes a fixed sleeve, one side of which is fixedly connected to one side of the camera, an electric push rod is fixedly connected to the inner wall of the fixed sleeve, a push frame is fixedly connected to the output end of the electric push rod, a movable cylinder is sleeved on the outside of the camera, the upper surface of the movable cylinder is fixedly connected to the bottom surface of the push frame, and a plurality of buffer springs are fixedly connected to the bottom surface of the movable cylinder, the bottom ends of the plurality of buffer springs being fixedly connected to the upper surface of the fixed cylinder.

[0011] Preferably, the inside of the movable tube has two slidably connected positioning strips, and the opposite sides of the two positioning strips are fixedly connected to the outer surface of the camera.

[0012] Preferably, each of the buffer springs is provided with a telescopic rod inside, the telescopic end of each telescopic rod is fixedly connected to the bottom surface of the movable cylinder, and the bottom end of each telescopic rod is fixedly connected to the upper surface of the fixed cylinder.

[0013] Preferably, the displacement mechanism includes two first screws, both of which are rotatably connected to the inside of a fixed frame. A dual-axis motor is fixedly connected to the inner side wall of the fixed frame. Two rotating rods are fixedly connected to the output end of the dual-axis motor. A first bevel gear is fixedly connected to the other end of each of the two rotating rods. A second bevel gear is fixedly connected to one end of each of the two first screws. The two second bevel gears mesh with the two first bevel gears respectively. A sliding seat is threadedly connected to the outer surface of each of the two first screws. The two sliding seats are slidably connected to the inside of the fixed frame. A limit frame is fixedly connected to the opposite sides of the two sliding seats. A connecting block is fixedly connected to one side of the camera. A second screw is rotatably connected to the inside of the limit frame. The outer surface of the second screw is threadedly connected to the inner wall of the connecting block. A servo motor is fixedly connected to one side of the limit frame. The output end of the servo motor is fixedly connected to one end of the second screw.

[0014] Preferably, the outer surfaces of the two first screws and the outer surfaces of the two rotating rods are rotatably connected to two stabilizing frames, and one side of each of the two stabilizing frames is fixedly connected to the inner wall of the fixed frame.

[0015] Preferably, an auxiliary block is fixedly connected to one side of the connecting block, and an auxiliary groove is provided on one side of the limiting frame, with the auxiliary block slidably connected inside the auxiliary groove.

[0016] Compared with the prior art, the beneficial effects of the present invention are: 1. This invention, by setting a marking mechanism, can accurately mark microholes with burrs, insufficient roughness, and dust contamination during the visual inspection of the drilling quality of cross-layer microholes in a fifth-order HDI board using a camera. This facilitates workers to quickly locate defective microholes on the fifth-order HDI board, enabling them to quickly locate and repair defective microholes for reuse. It also increases the accuracy of the drilling quality inspection device for cross-layer microholes in fifth-order HDI boards and improves the convenience of subsequent repair of cross-layer microholes in fifth-order HDI boards.

[0017] 2. By setting up a downward pressing mechanism, this invention can ensure that the marking mechanism can smoothly mark the defective cross-layer micro-holes of the fifth-order HDI board, while buffering the downward pressure on the fifth-order HDI board when the marker moves downward and contacts it. This avoids the marker damaging the fifth-order HDI board and prevents the marker from being displaced due to excessive reverse force, which would prevent the marker from making smooth contact with the fifth-order HDI board during subsequent marking. This achieves the effect of increasing the safety and stability of marking defective cross-layer micro-holes of the fifth-order HDI board.

[0018] 3. By setting a displacement mechanism, the present invention can drive the camera to move back and forth and left and right, thereby realizing visual quality detection of cross-layer micro-holes at different positions on the fifth-order HDI board and ensuring the efficiency of quality detection of cross-layer micro-holes on the fifth-order HDI board. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the camera structure of the present invention; Figure 3 This is a cross-sectional structural schematic diagram of the fixed cylinder of the present invention; Figure 4 This is a cross-sectional structural schematic diagram of the positioning cylinder of the present invention; Figure 5 This is a schematic diagram of the structure of the movable cylinder of the present invention; Figure 6 This is a cross-sectional structural schematic diagram of the fixing frame of the present invention; Figure 7 This is a schematic diagram of the rotating rod of the present invention.

[0020] In the picture: 1. Fixed frame; 2. Camera; 3. Marking mechanism; 301. Fixed cylinder; 302. Bearing; 303. Rotating cylinder; 304. Gear ring; 305. Small motor; 306. Transmission gear; 307. Fixed plate; 308. Positioning cylinder; 309. Marker pen; 310. Mounting bracket; 311. Mounting groove; 312. Support frame; 313. Display; 314. Fastening bolt; 315. Rubber seat; 4. Pressing mechanism; 401. Fixed sleeve; 402. Electric push rod; 403. Push frame; 404. Moving cylinder; 405. Buffer spring; 406. Positioning strip; 407. Telescopic rod; 5. Displacement mechanism; 501. First screw; 502. Dual-axis motor; 503. Rotating rod; 504. First bevel gear; 505. Second bevel gear; 506. Sliding seat; 507. Limiting frame; 508. Connecting block; 509. Second screw; 510. Servo motor; 511. Stabilizing frame; 512. Auxiliary block; 513. Auxiliary groove. Detailed Implementation

[0021] 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.

[0022] Example 1: Please refer to Figures 1-4 This invention provides a technical solution: a drilling quality inspection device for cross-layer micro-holes in a five-stage HDI board, comprising a fixed frame 1, a camera 2 disposed inside the fixed frame 1, a marking mechanism 3 disposed below the camera 2, the marking mechanism 3 comprising a fixed cylinder 301, the fixed cylinder 301 being sleeved outside the camera 2, a bearing 302 being fixedly connected to the inner wall of the fixed cylinder 301, a rotating cylinder 303 being fixedly connected to the inner wall of the bearing 302, a gear ring 304 being fixedly connected to the outer surface of the rotating cylinder 303, a small motor 305 being fixedly connected to the outer surface of the fixed cylinder 301, a transmission gear 306 being fixedly connected to the output end of the small motor 305, the outer surface of the transmission gear 306 meshing with the outer surface of the gear ring 304, a fixed plate 307 being fixedly connected to the outer surface of the rotating cylinder 303, a positioning cylinder 308 being fixedly connected to one side of the fixed plate 307, the positioning cylinder 308 being at a certain tilt angle, and a marker pen 309 being snapped into the inside of the positioning cylinder 308.

[0023] Two mounting brackets 310 are fixedly connected to the bottom surface of the fixed frame 1. The upper surface of each mounting bracket 310 is provided with a mounting groove 311. The mounting brackets 310 cooperate with the mounting grooves 311 to fix the device at the working position of the cross-layer micropore quality detection of the fifth-order HDI board using bolts and other fasteners, which increases the installation firmness and convenience of the device. A support frame 312 is fixedly connected to the upper surface of the fixed frame 1, and a display 313 is fixedly connected to the upper surface of the support frame 312. The display 313 is electrically connected to the camera 2 through wires. The support frame 312, together with the display 313, can display the cross-layer micro-hole image of the fifth-order HDI board captured by the camera 2, and perform quality inspection on the cross-layer micro-hole image of the fifth-order HDI board through the image comparison processing module inside the display 313, so as to ensure the normal operation of the quality inspection of the cross-layer micro-hole of the fifth-order HDI board. The positioning cylinder 308 has a threaded connection to a fastening bolt 314. One end of the fastening bolt 314 passes through the interior of the positioning cylinder 308 and is fixedly connected to a rubber seat 315. One side of the rubber seat 315 contacts the outer surface of the marker pen 309. The fastening bolt 314, in conjunction with the rubber seat 315, can press the marker pen 309 by rotating the fastening bolt 314, the rubber seat 315, and the positioning cylinder 308, thereby fixing the position of the marker pen 309 inside the positioning cylinder 308 and preventing the marker pen 309 from loosening during use.

[0024] The specific implementation of this embodiment is as follows: First, the device is fixed at the cross-layer micro-hole quality detection position of the fifth-order HDI board using the mounting bracket 310 and mounting groove 311. When the fifth-order HDI board is placed below the camera 2 for drilling quality visual inspection using a fixture, the cross-layer micro-hole image of the fifth-order HDI board captured by the camera 2 can be displayed on the display 313. The image comparison processing module inside the display 313 performs quality inspection on the cross-layer micro-hole image of the fifth-order HDI board. When defects such as burrs, insufficient roughness, and dust contamination are detected in the cross-layer micro-holes of the fifth-order HDI board, the power provided by the small motor 305, together with the fixed cylinder 301 and the transmission gear 306, drives the gear ring 3. 04 rotates, which, with the assistance of bearing 302, drives rotating cylinder 303 to rotate. This, in turn, drives marker pen 309 to rotate one revolution through fixing plate 307 and positioning cylinder 308. By rotating marker pen 309, defective cross-layer microholes in the fifth-order HDI board can be circled. Microholes with burrs, insufficient roughness, and dust contamination can be accurately marked, making it easier for staff to quickly find defective microholes on the fifth-order HDI board. This allows staff to quickly locate and repair defective microholes in the fifth-order HDI board for reuse, increasing the accuracy of the drilling quality inspection device for cross-layer microholes in the fifth-order HDI board, as well as the convenience of subsequent repair of cross-layer microholes in the fifth-order HDI board.

[0025] Example 2: Please refer to Figure 2 , Figure 5 and Figure 6 The present invention provides a technical solution: a drilling quality detection device for cross-layer microholes of a five-level HDI board. The present invention makes corresponding improvements to the technical problems mentioned in the background art. A pressing mechanism 4 is provided above the marking mechanism 3.

[0026] As a further definition of the pressing mechanism 4 of the present invention, the pressing mechanism 4 includes a fixed sleeve 401, one side of the fixed sleeve 401 is fixedly connected to one side of the camera 2, an electric push rod 402 is fixedly connected to the inner wall of the fixed sleeve 401, a push frame 403 is fixedly connected to the output end of the electric push rod 402, a movable cylinder 404 is sleeved on the outside of the camera 2, the upper surface of the movable cylinder 404 is fixedly connected to the bottom surface of the push frame 403, a plurality of buffer springs 405 are fixedly connected to the bottom surface of the movable cylinder 404, and the bottom ends of the plurality of buffer springs 405 are all fixedly connected to the upper surface of the fixed cylinder 301.

[0027] The movable cylinder 404 has two slidably connected internally with positioning bars 406. The opposite sides of the two positioning bars 406 are fixedly connected to the outer surface of the camera 2. The positioning bars 406 can further restrict the movement of the movable cylinder 404, so that the movable cylinder 404 can only move up and down and cannot rotate horizontally, thereby increasing the accuracy and reliability of the up and down movement of the movable cylinder 404. Each of the buffer springs 405 has a telescopic rod 407 inside. The telescopic end of each telescopic rod 407 is fixedly connected to the bottom surface of the moving cylinder 404, and the bottom end of each telescopic rod 407 is fixedly connected to the upper surface of the fixed cylinder 301. The telescopic rod 407 can prevent the buffer springs 405 from shifting without affecting their extension and retraction. At the same time, it works with the moving cylinder 404 to position the fixed cylinder 301 and prevent the fixed cylinder 301 from rotating.

[0028] The specific implementation of this embodiment is as follows: When a defective cross-layer micropore of the fifth-order HDI board is detected, the power provided by the electric push rod 402, in conjunction with the fixed sleeve 401, can drive the push frame 403 to move downward. When the push frame 403 moves downward, with the assistance of the moving cylinder 404, the positioning strip 406, the buffer spring 405, and the telescopic rod 407, it can drive the fixed cylinder 301 to move downward. When the fixed cylinder 301 moves downward, it can drive the rotating cylinder 303 and the marker pen 309 to move downward through the bearing 302, so that the marker pen 309 can smoothly connect with the fifth-order HDI board. The contact with the DI board ensures the smooth operation of subsequent marking of defective micro-holes across layers of the fifth-layer HDI board by the marker pen 309. Simultaneously, the buffer spring 405 cushions the downward pressure exerted by the marker pen 309 on the fifth-layer HDI board as it moves downwards, preventing damage and displacement. It also prevents excessive reverse force on the marker pen 309, which could hinder subsequent marking and increase the safety and stability of marking defective micro-holes across layers of the fifth-layer HDI board.

[0029] Example 3: Please refer to Figure 2 , Figure 6 and Figure 7 The present invention provides a technical solution: a drilling quality detection device for cross-layer microholes of a five-stage HDI board. The present invention makes corresponding improvements to the technical problems mentioned in the background art. A displacement mechanism 5 is provided inside the fixed frame 1.

[0030] As a further definition of the displacement mechanism 5 of the present invention, the displacement mechanism 5 includes two first screws 501, both of which are rotatably connected to the inside of the fixed frame 1. A dual-axis motor 502 is fixedly connected to the inner side wall of the fixed frame 1. Two rotating rods 503 are fixedly connected to the output end of the dual-axis motor 502. A first bevel gear 504 is fixedly connected to the other end of each of the two rotating rods 503. A second bevel gear 505 is fixedly connected to one end of each of the two first screws 501. The two second bevel gears 505 mesh with the two first bevel gears 504 respectively. The outer surface of rod 501 is threaded with sliding seats 506. Both sliding seats 506 are slidably connected to the inside of fixed frame 1. The opposite sides of the two sliding seats 506 are fixedly connected to limit frame 507. A connecting block 508 is fixedly connected to one side of camera 2. A second screw 509 is rotatably connected inside limit frame 507. The outer surface of the second screw 509 is threadedly connected to the inner wall of connecting block 508. A servo motor 510 is fixedly connected to one side of limit frame 507. The output end of servo motor 510 is fixedly connected to one end of second screw 509.

[0031] The outer surfaces of the two first screws 501 and the outer surfaces of the two rotating rods 503 are rotatably connected to two stabilizing frames 511. One side of each of the two stabilizing frames 511 is fixedly connected to the inner wall of the fixed frame 1. The stabilizing frames 511 can increase the rotational stability of the first screws 501 and the rotating rods 503, so that the first bevel gear 504 and the second bevel gear 505 always remain meshed. An auxiliary block 512 is fixedly connected to one side of the connecting block 508, and an auxiliary groove 513 is provided on one side of the limiting frame 507. The auxiliary block 512 is slidably connected to the inside of the auxiliary groove 513. The auxiliary block 512 slides inside the auxiliary groove 513, which can increase the movement accuracy and reliability of the connecting block 508 and prevent the connecting block 508 from deviating when sliding.

[0032] The specific implementation of this embodiment is as follows: The power provided by the dual-axis motor 502, in conjunction with the stabilizing frame 511, drives the rotating rod 503 and the first bevel gear 504 to rotate. In turn, the second bevel gear 505 drives the two first screws 501 to rotate in the same direction. When the first screws 501 rotate, they drive the sliding seat 506 and the limiting frame 507 to move left and right, so that the camera 2 can also move left and right. Then, the power provided by the servo motor 510, in conjunction with the limiting frame 507, drives the second screw 509 to rotate, which drives the connecting block 508 and the camera 2 to move back and forth with the assistance of the auxiliary block 512 and the auxiliary groove 513. This enables the camera 2 to move back and forth and left and right, thereby enabling visual quality inspection of cross-layer micro-holes at different positions on the fifth-order HDI board, ensuring the efficiency of quality inspection of cross-layer micro-holes on the fifth-order HDI board.

[0033] Specifically, the drilling quality inspection device for the cross-layer micro-holes of this fifth-order HDI board operates as follows: First, connect the small motor 305, display 313, electric push rod 402, dual-axis motor 502 and servo motor 510 to the external power supply and controller. Then, fix the device at the cross-layer microhole quality detection position of the fifth-order HDI board through the mounting bracket 310 and mounting slot 311. Then, the power provided by the dual-axis motor 502, in conjunction with the stabilizing frame 511, drives the rotating rod 503 and the first bevel gear 504 to rotate. In turn, the second bevel gear 505 drives the two first screws 501 to rotate in the same direction. When the first screws 501 rotate, they drive the sliding seat 506 and the limiting frame 507 to move left and right, so that the camera 2 can also move left and right. Then, the power provided by the servo motor 510, in conjunction with the limiting frame 507, drives the second screw 509 to rotate, which drives the connecting block 508 and the camera 2 to move back and forth with the assistance of the auxiliary block 512 and the auxiliary groove 513. This enables the camera 2 to move back and forth and left and right, thereby enabling visual quality inspection of cross-layer micro-holes at different positions on the fifth-order HDI board, ensuring the efficiency of quality inspection of cross-layer micro-holes on the fifth-order HDI board. Furthermore, when the fifth-order HDI board is placed below the camera 2 using a fixture for visual inspection of drilling quality, the display 313 can display the cross-layer micro-hole image of the fifth-order HDI board captured by the camera 2. The image comparison processing module inside the display 313 performs quality inspection on the cross-layer micro-hole image of the fifth-order HDI board. When defects such as burrs, insufficient roughness, and dust contamination are detected in the cross-layer micro-holes of the fifth-order HDI board, the power provided by the electric push rod 402, in conjunction with the fixing sleeve 401, can drive the push frame 403 to move downwards. When the push frame 403 moves downwards, with the assistance of the moving cylinder 404, positioning strip 406, buffer spring 405, and telescopic rod 407, it can drive the fixing cylinder 301 to move downwards. When the fixed cylinder 301 moves downward, it can drive the rotating cylinder 303 and the marker pen 309 to move downward through the bearing 302, so that the marker pen 309 can smoothly contact the fifth-order HDI board. This ensures the normal operation of the subsequent marking work of the marker pen 309 for the defective micro-holes across layers of the fifth-order HDI board. At the same time, the buffer spring 405 can buffer the downward pressure on the fifth-order HDI board when the marker pen 309 moves downward and contacts the fifth-order HDI board, avoiding the marker pen 309 from damaging the fifth-order HDI board. It also prevents the marker pen 309 from being displaced due to excessive reverse force, which would prevent the marker pen 309 from making smooth contact with the fifth-order HDI board when marking. This increases the safety and stability of marking defective micro-holes across layers of the fifth-order HDI board. Finally, the small motor 305 provides power to drive the fixed cylinder 301 and transmission gear 306 to rotate the gear ring 304. This, in conjunction with the bearing 302, drives the rotating cylinder 303 to rotate. This, in turn, drives the marker pen 309 to rotate one revolution through the fixed plate 307 and positioning cylinder 308. By rotating the marker pen 309, defective cross-layer microholes in the fifth-order HDI board can be circled. Microholes with burrs, insufficient roughness, and dust contamination can be accurately marked, making it easier for staff to quickly find defective microholes on the fifth-order HDI board. This allows staff to quickly locate and repair defective microholes in the fifth-order HDI board for reuse, increasing the accuracy of the drilling quality inspection device for cross-layer microholes in the fifth-order HDI board and the convenience of subsequent repair of cross-layer microholes in the fifth-order HDI board.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0035] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A drilling quality inspection device for cross-layer microholes in a fifth-order HDI board, comprising a fixed frame (1), characterized in that: A camera (2) is installed inside the fixed frame (1). A marking mechanism (3) is installed below the camera (2). The marking mechanism (3) includes a fixed cylinder (301). The fixed cylinder (301) is sleeved on the outside of the camera (2). A bearing (302) is fixedly connected to the inner wall of the fixed cylinder (301). A rotating cylinder (303) is fixedly connected to the inner wall of the bearing (302). A toothed ring (304) is fixedly connected to the outer surface of the rotating cylinder (303). The outer surface of the fixed cylinder (301) is... A small motor (305) is fixedly connected to the surface of the rotating cylinder (303). A transmission gear (306) is fixedly connected to the output end of the small motor (305). The outer surface of the transmission gear (306) meshes with the outer surface of the gear ring (304). A fixing plate (307) is fixedly connected to the outer surface of the rotating cylinder (303). A positioning cylinder (308) is fixedly connected to one side of the fixing plate (307). The positioning cylinder (308) is at a certain inclination angle. A marker pen (309) is snapped into the inside of the positioning cylinder (308). A pressing mechanism (4) is provided above the marking mechanism (3), and a displacement mechanism (5) is provided inside the fixed frame (1).

2. The drilling quality inspection device for cross-layer microholes in a five-stage HDI board according to claim 1, characterized in that: The bottom surface of the fixed frame (1) is fixedly connected to two mounting brackets (310), and the upper surface of the two mounting brackets (310) is provided with mounting grooves (311).

3. The drilling quality inspection device for cross-layer microholes in a five-stage HDI board according to claim 1, characterized in that: A support frame (312) is fixedly connected to the upper surface of the fixed frame (1), and a display (313) is fixedly connected to the upper surface of the support frame (312). The display (313) is electrically connected to the camera (2) through a wire.

4. The drilling quality inspection device for cross-layer microholes in a five-stage HDI board according to claim 1, characterized in that: The positioning cylinder (308) is internally threaded with a fastening bolt (314). One end of the fastening bolt (314) penetrates into the interior of the positioning cylinder (308) and is fixedly connected to a rubber seat (315). One side of the rubber seat (315) is in contact with the outer surface of the marker pen (309).

5. The drilling quality inspection device for cross-layer microholes in a five-stage HDI board according to claim 1, characterized in that: The pressing mechanism (4) includes a fixed sleeve (401), one side of which is fixedly connected to one side of the camera (2). An electric push rod (402) is fixedly connected to the inner wall of the fixed sleeve (401). A push frame (403) is fixedly connected to the output end of the electric push rod (402). A movable cylinder (404) is sleeved on the outside of the camera (2). The upper surface of the movable cylinder (404) is fixedly connected to the bottom surface of the push frame (403). Several buffer springs (405) are fixedly connected to the bottom surface of the movable cylinder (404). The bottom ends of the several buffer springs (405) are all fixedly connected to the upper surface of the fixed cylinder (301).

6. The drilling quality inspection device for cross-layer microholes in a five-stage HDI board according to claim 5, characterized in that: The movable cylinder (404) has two slidably connected positioning strips (406) inside, and the opposite sides of the two positioning strips (406) are fixedly connected to the outer surface of the camera (2).

7. The drilling quality inspection device for cross-layer microholes in a five-stage HDI board according to claim 5, characterized in that: Each of the buffer springs (405) is provided with a telescopic rod (407) inside. The telescopic end of each telescopic rod (407) is fixedly connected to the bottom surface of the movable cylinder (404), and the bottom end of each telescopic rod (407) is fixedly connected to the upper surface of the fixed cylinder (301).

8. The drilling quality inspection device for cross-layer microholes in a five-stage HDI board according to claim 1, characterized in that: The displacement mechanism (5) includes two first screws (501), both of which are rotatably connected to the inside of the fixed frame (1). A dual-axis motor (502) is fixedly connected to the inner side wall of the fixed frame (1). Two rotating rods (503) are fixedly connected to the output end of the dual-axis motor (502). A first bevel gear (504) is fixedly connected to the other end of each of the two rotating rods (503). A second bevel gear (505) is fixedly connected to one end of each of the two first screws (501). The two second bevel gears (505) mesh with the two first bevel gears (504) respectively. The outer surfaces of the two first screws (501) are... The two sliding seats (506) are threadedly connected to each other. Both sliding seats (506) are slidably connected to the inside of the fixed frame (1). The opposite sides of the two sliding seats (506) are fixedly connected to the limit frame (507). A connecting block (508) is fixedly connected to one side of the camera (2). A second screw (509) is rotatably connected inside the limit frame (507). The outer surface of the second screw (509) is threadedly connected to the inner wall of the connecting block (508). A servo motor (510) is fixedly connected to one side of the limit frame (507). The output end of the servo motor (510) is fixedly connected to one end of the second screw (509).

9. The drilling quality inspection device for cross-layer microholes in a five-stage HDI board according to claim 8, characterized in that: The outer surfaces of the two first screws (501) and the outer surfaces of the two rotating rods (503) are rotatably connected to two stabilizing frames (511), and one side of each of the two stabilizing frames (511) is fixedly connected to the inner wall of the fixed frame (1).

10. The drilling quality inspection device for cross-layer microholes in a five-stage HDI board according to claim 8, characterized in that: An auxiliary block (512) is fixedly connected to one side of the connecting block (508), and an auxiliary groove (513) is provided on one side of the limiting frame (507). The auxiliary block (512) is slidably connected to the inside of the auxiliary groove (513).

Images