Automatic laser scanning device for digital twin modeling of circuit module

The designed device solves the problems in the existing technology, realizing efficient and automated double-sided inspection of circuit boards, improving inspection accuracy and efficiency, and reducing errors from manual operation.

CN223710563UActive Publication Date: 2025-12-23BEIHANG UNIV
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Patent Information

Application Number
CN202520363373.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2025-12-23
Estimated Expiration
2035-03-04

AI Technical Summary

Technical Problem

Existing circuit board scanning equipment can only scan one side, resulting in low detection accuracy. Laser scanning is inflexible, and circuit board flipping relies on manual operation, leading to low detection efficiency and a high risk of errors.

Method used

Design an automatic laser scanning device that includes a clamping component and a rotating component. The clamping component clamps the circuit board from multiple angles and flips it. Combined with the laser scanning component, it realizes automatic double-sided inspection of the circuit board. The laser probe is precisely scanned at a specific position through a lead screw.

Benefits of technology

It enables efficient and automated double-sided inspection of circuit boards, improving inspection accuracy and efficiency, reducing errors from manual operation, and increasing production efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223710563U_ABST
    Figure CN223710563U_ABST
Patent Text Reader

Abstract

The utility model provides an automatic laser scanning device for digital twin modeling of a circuit module, which comprises a laser scanning assembly, a clamping assembly and a rotating assembly, a laser probe of the laser scanning assembly is positioned above a clamping frame of the clamping assembly, a rotating motor of the rotating assembly is connected with the clamping frame of the clamping assembly, and the clamping frame of the clamping assembly is connected with the rotating assembly. According to the utility model, through mutual cooperation of the clamping assembly and the rotating assembly, the circuit board can be overturned while being clamped in multiple directions, double-sided automatic detection is carried out on the circuit board through the laser scanning assembly, and the laser scanning probe can move to a specific position through cooperation of lead screws of all shafts according to the position of the circuit board. Pixel information of the circuit board is scanned through the laser probe, position size information of electronic components is collected, and accurate, efficient and automatic scanning detection of various circuit boards is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of laser scanning, specifically relates to a kind of laser automatic scanning device for circuit module digital twin modeling. BACKGROUND

[0002] With the development of technology, electronic component size on printed circuit board is smaller and smaller, and circuit is finer and denser, so traditional manual visual inspection cannot meet the requirements of mass production, thus, printed circuit board detection equipment for automatic detection is born.

[0003] CN105021612B discloses a kind of circuit board double-sided detection equipment, the circuit board double-sided detection equipment is by setting optical imaging system on the workbench upper and lower sides respectively, to realize the double-sided detection of circuit board, this kind of detection method can improve detection efficiency, but the result obtained by only using camera component to shoot measurement is not accurate, and after completing detection, circuit board cannot be marked, leading to subsequent waste board still easily flow to market due to screening failure.

[0004] Existing circuit board scanning equipment can only scan single side of circuit board, detection scanning laser cannot be flexibly adjusted, large-scale laser scanning reduces the man-machine efficiency of laser emission device and use range, and the circuit board to be detected is difficult to be automatically clamped, and the circuit board is still turned over by manual, laser detection efficiency is low, inconvenient to use, therefore, it is necessary to design a kind of laser automatic scanning device for circuit module digital twin modeling. UTILITY MODEL CONTENTS

[0005] In view of the problems existing in the prior art, the utility model provides a kind of laser automatic scanning device for circuit module digital twin modeling, by the cooperation of clamping assembly and rotating assembly, circuit board is clamped in multiple directions, and circuit board can be turned over, the double-sided automatic detection of circuit board is carried out by laser scanning assembly, and laser scanning probe can be moved to specific position by the cooperation of each shaft screw according to circuit board position, to realize the accurate and efficient automatic scanning detection of multiple circuit boards.

[0006] The utility model provides a kind of for circuit module digital twin modeling laser automatic scanning device, it includes laser scanning component, clamping component and rotating component, the laser probe of laser scanning component is located above the clamping frame of clamping component, the rotating motor of rotating component is connected with the clamping frame of clamping component, laser scanning component includes laser probe, X axis screw rod, Y axis screw rod, Z axis screw rod and base, X axis screw rod is arranged on the base, Z axis screw rod is vertically arranged with X axis screw rod, the support of Z axis screw rod is connected with the slider of X axis screw rod, Y axis screw rod is vertically arranged with Z axis screw rod, the support of Y axis screw rod is connected with the slider of Z axis screw rod, the slider of laser probe is connected with Y axis screw rod;The clamping component includes clamping frame, gear, moving rack, clamping motor, first rotating shaft, guide plate, guide rail seat and clamping mechanism, the first end of moving rack is engaged with the upper and lower ends of gear respectively, the output shaft of clamping motor is connected with the first rotating shaft by first coupling, gear is sleeved on the first rotating shaft, guide plate is vertically arranged with moving rack, both ends of guide plate are connected with the second end of moving rack respectively, guide plate is slidably connected with guide rail seat, and first clamping plate is equipped on the guide plate, clamping mechanism is symmetrically arranged on the both sides of clamping frame, and clamping mechanism includes electric cylinder, moving plate, telescopic piece, support plate, limit post and spring, the cylinder base of electric cylinder is connected with guide rail seat, the telescopic rod of electric cylinder is connected with moving plate, a plurality of limit posts are arranged on guide rail seat and moving plate, spring is arranged between guide rail seat and moving plate, and spring is sleeved on limit post, both ends of telescopic piece are rotatably connected with support plate and moving plate respectively;Rotating component includes rotating motor, second rotating shaft, second coupling, rotating motor base and rolling bearing, the output shaft of rotating motor is connected with the first end of second rotating shaft by second coupling, the second end of second rotating shaft is fixedly connected with the end of clamping frame away from clamping motor, the output shaft of rotating motor is rotatably connected with rotating motor base by rolling bearing.

[0007] Further, the electric cylinder, telescopic piece, support plate, limit post and spring are symmetrically arranged on the both sides of the gear.

[0008] Further, the end of the gear close to the clamping frame is provided with gear limiting piece.

[0009] Further, the output shaft of the clamping motor is rotatably connected with the clamping motor base by bearing.

[0010] Further, the middle part of the clamping frame is provided with a rectangular slot, and each middle part of the edge of the rectangular slot is provided with a placing rack.

[0011] Preferably, the moving direction of the guide plate is perpendicular to the moving direction of the moving plate.

[0012] Preferably, a second clamping plate is arranged on the moving plate.

[0013] Preferably, the laser scanning assembly further comprises a power module, a controller and a PC end, the laser probe is connected with the controller through a sensing cable, the controller is connected with the power module, and the controller is connected with the PC end through a cable.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] The utility model discloses a laser automatic scanning device for circuit module digital twin modeling, through the cooperation of clamping assembly and rotating assembly, multidirectional clamping circuit board can make circuit board overturn, through the automatic detection of laser scanning assembly to the double -sided circuit board, and the laser scanning probe can be moved to the specific position through the cooperation of each shaft screw according to circuit board position, realize accurate efficient automatic scanning detection of various circuit boards. ACCURACY

[0016] Figure 1 It is the whole structure schematic diagram of laser automatic scanning device for circuit module digital twin modeling of the utility model;

[0017] Figure 2 It is the whole structure side view of laser automatic scanning device for circuit module digital twin modeling of the utility model;

[0018] Figure 3 It is the structure schematic diagram of cooperation of clamping assembly and rotating assembly in the utility model;

[0019] Figure 4 It is the structure schematic diagram of clamping assembly in the utility model;

[0020] Figure 5 It is the cross section schematic diagram of clamping assembly in the utility model;

[0021] Figure 6 It is the overhead schematic diagram of cooperation of clamping assembly and rotating assembly in the utility model;

[0022] Figure 7 It is the schematic diagram of cooperation of each component in the clamping assembly of the utility model;

[0023] Figure 8 It is the structure schematic diagram of rotating assembly in the utility model;

[0024] Figure 9 It is the schematic diagram of cooperation of each component in the laser scanning assembly in the utility model.

[0025] Key reference numerals:

[0026] Laser scanning assembly 1, laser probe 11, X-axis lead screw 12, Y-axis lead screw 13, Z-axis lead screw 14, base 15, clamping assembly 2, clamping frame 21, rectangular slot 211, placement frame 212, gear 22, gear limiter 221, moving rack 23, clamping motor 24, first rotating shaft 25, guide plate 26, first clamping plate 261, guide rail seat 27, clamping mechanism 29, electric cylinder 291, moving plate 292, telescopic component 293, support plate 294, limit post 295, spring 296, second clamping plate 297, clamping motor seat 210, rotating assembly 3, rotating motor 31, second rotating shaft 32, second coupling 33, rotating motor seat 34, rolling bearing 35. Detailed Implementation

[0027] To fully describe the technical content, structural features, objectives, and effects of this utility model, the following detailed description will be provided in conjunction with the accompanying drawings.

[0028] The laser automatic scanning device for digital twin modeling of circuit modules provided by this utility model, such as Figure 1 and Figure 2 As shown, it includes a laser scanning assembly 1, a clamping assembly 2, and a rotating assembly 3. The laser probe 11 of the laser scanning assembly 1 is located above the clamping frame 21 of the clamping assembly 2. The rotating motor 31 of the rotating assembly 3 is connected to the clamping frame 21 of the clamping assembly 2. The laser scanning assembly 1 includes a laser probe 11, an X-axis lead screw 12, a Y-axis lead screw 13, a Z-axis lead screw 14, and a base 15. The X-axis lead screw 12 is mounted on the base 15. The Z-axis lead screw 13 is perpendicular to the X-axis lead screw 12. The support of the Z-axis lead screw 13 is connected to the slider of the X-axis lead screw 12. The Y-axis lead screw 13 is perpendicular to the Z-axis lead screw 14. The support of the Y-axis lead screw 13 is connected to the slider of the Z-axis lead screw 14. The laser probe 11 is connected to the slider of the Y-axis lead screw 13.

[0029] like Figures 3-6As shown, the clamping assembly 2 comprises a clamping frame 21, a gear 22, a movable rack 23, a clamping motor 24, a first rotating shaft 25, a guide plate 26, a guide rail seat 27 and a clamping mechanism 29, the middle part of the clamping frame 21 is provided with a rectangular groove 211, and the middle part of each side of the rectangular groove is provided with a placing frame 212, the first end of the movable rack 23 is engaged with the upper and lower ends of the gear 22 respectively, the output shaft of the clamping motor 24 is connected with the first rotating shaft 25 through a first shaft coupling, the gear 22 is sleeved on the first rotating shaft 25, and the end of the gear 22 close to the clamping frame 21 is provided with a gear limiting piece 221, the guide plate 26 is arranged vertically to the movable rack 23, the two ends of the guide plate 26 are connected with the second end of the movable rack 23 respectively, the guide plate 26 is connected with the guide rail seat 27 in a sliding mode, and the guide plate 26 is provided with a first clamping plate 261, the clamping mechanism 29 is symmetrically arranged on the two sides of the clamping frame 21, and the output shaft of the clamping motor 24 is connected with the clamping motor seat 210 in a rotating mode through a bearing.

[0030] As shown in Figure 7 and Figure 8 The rotating assembly 3 comprises a rotating motor 31, a second rotating shaft 32, a second shaft coupling 33, a rotating motor seat 34 and a rolling bearing 35, the output shaft of the rotating motor 31 is connected with the first end of the second rotating shaft 32 through the second shaft coupling 33, the second end of the second rotating shaft 32 is fixedly connected with the end of the clamping frame 21 away from the clamping motor 24, and the output shaft of the rotating motor 31 is connected with the rotating motor seat 34 in a rotating mode through the rolling bearing 35.

[0031] As shown in Figure 9 The laser scanning assembly 1 further comprises a power module, a controller and a PC end, the laser probe 11 is connected with the controller through a sensing cable, the controller is connected with the power module, and the controller is connected with the PC end through a cable.

[0032] The laser automatic scanning device for circuit module digital twin modeling of the utility model is further described in connection with the following embodiments:

[0033] The motion scanning steps of the laser automatic scanning device used for digital twin modeling of circuit modules are as follows:

[0034] like Figures 1-9 As shown, firstly, the circuit board to be tested is placed on the placement frame 212 of the clamping frame 21 by a robotic arm. The circuit board to be tested is clamped by the clamping assembly 2. Specifically, the clamping motor 24 drives the gear 22 on the first rotating shaft 25 to rotate through the first coupling, thereby driving the moving rack 23 meshing with the gear 22 to move closer to the gear 22, driving the guide plate 26 to clamp the left and right ends of the circuit board to be tested through the first clamping plate 261. The front and rear ends of the circuit board to be tested are clamped by the clamping mechanism 29. Specifically, the electric cylinder 291 pushes the moving plate 292 to move towards the center, and the second clamping plate 297 of the moving plate 292 clamps the front and rear ends of the circuit board to be tested under the combined action of the spring 296 and the telescopic member 293.

[0035] Then, the circuit board to be tested is rotated 180° by the rotating component 3, and the rotating motor 31 drives the second rotating shaft 32 to rotate through the second coupling 33, thereby driving the clamping frame 21, which is fixedly connected to the second rotating shaft 32, to rotate 180°.

[0036] Through the cooperation of the X-axis lead screw 12, Y-axis lead screw 13 and Z-axis lead screw 14 in the laser scanning assembly 1, the laser probe 11 is moved to directly above the circuit board to be inspected. The laser probe 11 scans the pixel information of the circuit board and collects information such as the position and size of electronic components.

[0037] This utility model relates to an automatic laser scanning device for digital twin modeling of circuit modules. The clamping component 2 and the rotating component 3 work together to clamp the circuit board from multiple directions while flipping the circuit board. The laser scanning component 1 performs automatic double-sided inspection of the circuit board, and the laser scanning probe can move to a specific position according to the position of the circuit board through the cooperation of the lead screws on each axis, so as to achieve accurate, efficient and automatic scanning and inspection of various circuit boards.

[0038] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A laser automatic scanning device for circuit module digital twin modeling, characterized in that, It includes laser scanning assembly, clamping assembly and rotating assembly, the laser probe of the laser scanning assembly is above the clamping frame of the clamping assembly, the rotating motor of the rotating assembly is connected with the clamping frame of the clamping assembly, The laser scanning assembly includes laser probe, X-axis screw rod, Y-axis screw rod, Z-axis screw rod and base, the X-axis screw rod is arranged on the base, the Z-axis screw rod is arranged vertically with the X-axis screw rod, the support of the Z-axis screw rod is connected with the sliding block of the X-axis screw rod, the Y-axis screw rod is arranged vertically with the Z-axis screw rod, the support of the Y-axis screw rod is connected with the sliding block of the Z-axis screw rod, and the laser probe is connected with the sliding block of the Y-axis screw rod. The clamping assembly includes clamping frame, gear, moving rack, clamping motor, first rotating shaft, guide plate, guide rail seat and clamping mechanism, the first end of the moving rack is engaged with the upper and lower ends of the gear respectively, the output shaft of the clamping motor is connected with the first rotating shaft through the first coupling, the gear is sleeved on the first rotating shaft, the guide plate is arranged vertically with the moving rack, the two ends of the guide plate are connected with the second end of the moving rack respectively, the guide plate is connected with the guide rail seat in sliding mode, and the first clamping plate is arranged on the guide plate, the clamping mechanism is symmetrically arranged on the two sides of the clamping frame, the clamping mechanism includes electric cylinder, moving plate, telescopic piece, support plate, limiting column and spring, the cylinder seat of the electric cylinder is connected with the guide rail seat, the telescopic rod of the electric cylinder is connected with the moving plate, a plurality of limiting columns are arranged on the guide rail seat and the moving plate, the spring is arranged between the guide rail seat and the moving plate, and the spring is sleeved on the limiting column, and the two ends of the telescopic piece are rotatably connected with the support plate and the moving plate respectively. The rotating assembly includes rotating motor, second rotating shaft, second coupling, rotating motor seat and rolling bearing, the output shaft of the rotating motor is connected with the first end of the second rotating shaft through the second coupling, the second end of the second rotating shaft is fixedly connected with the end of the clamping frame away from the clamping motor, and the output shaft of the rotating motor is rotatably connected with the rotating motor seat through the rolling bearing.

2. The laser automatic scanning device for circuit module digital twin modeling according to claim 1, characterized in that, The electric cylinder, telescopic piece, support plate, limiting column and spring are symmetrically arranged on the two sides of the gear.

3. The laser automatic scanning device for circuit module digital twin modeling according to claim 1, characterized in that, The end of the gear close to the clamping frame is provided with gear limiting piece.

4. The laser automatic scanning device for circuit module digital twin modeling according to claim 1, characterized in that, The output shaft of the clamping motor is rotatably connected with the clamping motor seat through the bearing.

5. The laser automatic scanning device for circuit module digital twin modeling according to claim 1, characterized in that, The middle part of the clamping frame is provided with a rectangular slot, and the middle part of each side of the rectangular slot is provided with a placing frame.

6. The laser automatic scanning device for circuit module digital twin modeling according to claim 1, characterized in that, The movement direction of the guide plate is perpendicular to the movement direction of the moving plate.

7. The laser automatic scanning device for circuit module digital twin modeling according to claim 1, characterized in that, The second clamping plate is arranged on the moving plate.

8. The laser automatic scanning device for circuit module digital twin modeling according to claim 1, characterized in that, The laser scanning assembly further includes power module, controller and PC end, the laser probe is connected with the controller through sensing cable, the controller is connected with the power module, and the controller is connected with the PC end through cable.

Citation Information

Patent Citations

  • Circuit board double-sided inspection equipment

    CN105021612B