Point laser profile tolerance detection equipment
By designing a point laser contour detection device with automatic flipping and double-sided inspection, the problem of circuit boards needing to be manually flipped multiple times has been solved, and efficient automated inspection of the front and back contours of circuit boards has been achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI LINKUP PRECISION METAL CO LTD
- Filing Date
- 2025-07-25
- Publication Date
- 2026-05-19
AI Technical Summary
In existing technologies, circuit board contour detection requires multiple manual flippings to complete the front and back side detection, resulting in low detection efficiency.
A point laser contour detection device was designed, comprising a base, a first detector, a second detector, and a support plate. It is equipped with a conveying assembly and utilizes a clamping assembly and a conveying assembly to achieve automatic flipping and double-sided detection of the circuit board. Automatic front and back contour scanning of the circuit board is achieved through gear meshing and conveyor belt movement.
It enables automated detection of the front and back contours of circuit boards, improving detection efficiency, reducing manual operation, and completing double-sided scanning of two sets of circuit boards at the same time.
Smart Images

Figure CN224262464U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of contour detection technology, specifically to a point laser contour detection device. Background Technology
[0002] Point laser contour detection involves emitting a focused laser beam onto the surface of the object being measured and receiving the reflected light to obtain distance information of specific points on the object's surface. The object's contour is then reconstructed through multiple measurements and data processing.
[0003] In the prior art, circuit boards are the support for electronic components and the carrier for electrical connections of electronic components. They play a vital role in electronic devices. In order to ensure dimensional accuracy and detect shape and appearance defects, contour inspection is required before the circuit board is put into use. This inspection is usually carried out by a point laser contour inspection instrument.
[0004] However, in order to ensure the accuracy of the detection results, the circuit board needs to be inspected multiple times when performing contour inspection. However, the inspection instrument can only inspect one side of the circuit board when inspecting the contour. When inspecting the other side, the circuit board needs to be manually flipped and clamped on the inspection table, which reduces the inspection efficiency.
[0005] Based on this, the present invention designs a point laser contour detection device to solve the above problems. Utility Model Content
[0006] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a point laser contour detection device.
[0007] To achieve the above objectives, this utility model is implemented through the following technical solution: it includes a base, a first detector, a second detector, and a support plate, and also includes a conveying assembly;
[0008] The first detector, the second detector, and the support plate are fixedly installed on the upper surface of the base. The conveying assembly is installed inside the first detector and the second detector, and the first detector is located in front of the second detector.
[0009] The conveying assembly includes a first detection assembly and a second detection assembly. The first detection assembly and the second detection assembly are mounted on the inner surface of the support plate. The first detection assembly is located below the second detection assembly. The first detection assembly and the second detection assembly are identical.
[0010] The first detection component and the second detection component include a clamping component and a conveying component. The conveying component is mounted on the inner surface of the support plate, and the clamping component is mounted on the side surface of the conveying component.
[0011] Furthermore, the support plate is provided in two sets, which are symmetrically distributed. The inner surface of the support plate is provided with two sets of vertically symmetrical grooves, and vertically symmetrical toothed blocks are fixed on the inner surface of the support plate, with the toothed blocks located above the grooves.
[0012] Furthermore, the conveying assembly includes a motor, a first sliding block, a conveyor belt, and a second sliding block. The motor is fixed to the outer surface of the support plate near its end. The motor output end is located inside the support plate. Pulleys are provided at both ends of the inner side of the conveyor belt. The pulleys are rotatably connected to the support plate. An expansion sleeve is provided at the motor output end. The expansion sleeve at the motor output end is fixedly connected to the pulley at one end of the conveyor belt by a tension bolt. The first sliding block is fixed to the lower upper surface of the conveyor belt, and the second sliding block is fixed to the upper upper surface of the conveyor belt.
[0013] Furthermore, the first sliding block and the second sliding block are the same length from the center of the support plate.
[0014] Furthermore, the outer surfaces of the first and second sliding blocks are slidably connected to the inner wall of the groove.
[0015] Furthermore, the clamping assembly includes a gear, a crossbar, a spring, a clamping block, a pull rod, a baffle, and a circuit board. The gear rotates and passes through the first sliding block. The crossbar is fixed to the end of the gear. The pull rod slides inside the through groove. The spring is sleeved on the outer surface of the pull rod. The clamping block is fixed to one end of the pull rod, and the baffle is fixed to the other end of the pull rod.
[0016] Furthermore, the toothed block is located between the first and second detectors, and the toothed block is meshed with the gear. The crossbar has a receiving groove and a through groove inside, and the diameter of the receiving groove is larger than that of the through groove.
[0017] Furthermore, the clamping block is located outside the crossbar, the storage groove and the baffle have the same diameter and are slidably connected, the spring is located inside the storage groove, and the circuit board is snapped onto the inner surface of the clamping block.
[0018] Compared with the prior art, the advantages of this utility model are as follows: 1. First, the circuit board is placed inside the clamping block of the clamping assembly. Due to the elasticity of the spring, the spring will drive the pull rod to move towards the middle position of the crossbar through the top baffle. The movement of the crossbar will drive the clamping block to move, so that the clamping blocks on both sides move towards each other, thereby clamping the circuit board. Then, the motor is started. The rotation of the motor output end will drive the expansion sleeve to rotate. The rotation of the expansion sleeve will drive the pulley to rotate. The rotation of the pulley will drive the conveyor belt to move. Since the first sliding block is fixedly connected to the conveyor belt, the movement of the conveyor belt will drive the first sliding block to move. The movement of the first sliding block will drive the circuit board to move towards the first detector and the second detector. When the circuit board passes the first detector, the point laser set on the first detector will scan the contour of the upper surface of the circuit board. When the circuit board passes the first detector, the gear will mesh with the tooth block, causing the gear to rotate and drive the circuit board to rotate half a turn, so that the reverse side of the circuit board faces up. The reverse contour of the circuit board is scanned by the second detector, thereby obtaining the front and back contour images of the circuit board. There is no need for manual flipping, which improves the detection efficiency.
[0019] 2. This component is equipped with a first detection component and a second detection component, which can simultaneously scan the front and back contours of two sets of circuit boards. The two sets of circuit boards do not interfere with each other during contour scanning because the distance between the center parts of the support plates of the two sets of circuit boards is the same. The center position of the support plate is the position of the tooth block. Therefore, the contour scanning of the two sets of circuit boards can be completed within a certain time, which further improves the efficiency of circuit board contour scanning. Attached Figure Description
[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0021] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model;
[0022] Figure 2 This is a three-dimensional schematic diagram of the conveying component of this utility model;
[0023] Figure 3 This is a three-dimensional schematic diagram of the cut-off support plate of this utility model;
[0024] Figure 4 This is a three-dimensional schematic diagram of the first detection component of this utility model;
[0025] Figure 5 This is a three-dimensional schematic diagram of the clamping component of this utility model;
[0026] Figure 6 This is a cross-sectional perspective view of the clamping component of this utility model;
[0027] Figure 7 This is a three-dimensional schematic diagram of the transmission component of this utility model.
[0028] The labels in the diagram represent:
[0029] 1. Base; 2. Conveying assembly; 3. First detector; 4. Second detector; 5. Support plate; 6. First detection assembly; 7. Motor; 8. Second detection assembly; 9. Groove; 10. Tooth block; 11. First sliding block; 12. Gear; 13. Clamping assembly; 14. Crossbar; 15. Clamping block; 16. Storage slot; 17. Through slot; 18. Spring; 19. Pull rod; 20. Baffle; 21. Conveying assembly; 22. Conveyor belt; 23. Second sliding block; 24. Circuit board. Detailed Implementation
[0030] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0031] Example 1, please refer to the accompanying drawings in the specification. Figures 1-7 A point laser contour detection device includes a base 1, a first detector 3, a second detector 4, and a support plate 5, and also includes a conveying assembly 2;
[0032] The first detector 3, the second detector 4 and the support plate 5 are fixedly installed on the upper surface of the base 1. The conveying assembly 2 is installed inside the first detector 3 and the second detector 4. The first detector 3 is located in front of the second detector 4.
[0033] The conveying assembly 2 includes a first detection assembly 6 and a second detection assembly 8. The first detection assembly 6 and the second detection assembly 8 are mounted on the inner surface of the support plate 5. The first detection assembly 6 is located below the second detection assembly 8. The first detection assembly 6 and the second detection assembly 8 are completely identical.
[0034] The first detection component 6 and the second detection component 8 include a clamping component 13 and a conveying component 21. The conveying component 21 is mounted on the inner surface of the support plate 5, and the clamping component 13 is mounted on the side surface of the conveying component 21.
[0035] Based on Embodiment 1, the support plate 5 is provided in two sets, and the two sets of support plates 5 are symmetrically distributed. The inner surface of the support plate 5 is provided with two sets of vertically symmetrical grooves 9. The inner surface of the support plate 5 is fixed with vertically symmetrical toothed blocks 10, and the toothed blocks 10 are located above the grooves 9.
[0036] The conveying assembly 21 includes a motor 7, a first sliding block 11, a conveyor belt 22, and a second sliding block 23. The motor 7 is fixed to the outer surface of the support plate 5 near its end, and the output end of the motor 7 is located inside the support plate 5. Pulleys are provided at both ends of the inner side of the conveyor belt 22, and the pulleys are rotatably connected to the support plate 5. An expansion sleeve is provided at the output end of the motor 7, and the expansion sleeve at the output end of the motor 7 is fixedly connected to the pulley at one end of the conveyor belt 22 by a tension bolt. The first sliding block 11 is fixed to the upper surface of the lower side of the conveyor belt 22, and the second sliding block 23 is fixed to the upper surface of the upper side of the conveyor belt 22.
[0037] The first sliding block 11 and the second sliding block 23 are the same length from the center of the support plate 5, and the outer surfaces of the first sliding block 11 and the second sliding block 23 are in sliding connection with the inner wall of the groove 9.
[0038] The clamping assembly 13 includes a gear 12, a crossbar 14, a spring 18, a clamping block 15, a pull rod 19, a baffle 20, and a circuit board 24. The gear 12 rotates and passes through the first sliding block 11. The crossbar 14 is fixed to the end of the gear 12. The pull rod 19 slides inside the through groove 17. The spring 18 is sleeved on the outer surface of the pull rod 19. The clamping block 15 is fixed to one end of the pull rod 19, and the baffle 20 is fixed to the other end of the pull rod 19.
[0039] The toothed block 10 is located between the first detector 3 and the second detector 4. The toothed block 10 is meshed with the gear 12. The crossbar 14 has a storage groove 16 and a through groove 17 inside. The diameter of the storage groove 16 is larger than that of the through groove 17.
[0040] The clamping block 15 is located outside the crossbar 14. The storage groove 16 and the baffle 20 have the same diameter and are slidably connected. The spring 18 is located inside the storage groove 16. The circuit board 24 is snapped onto the inner surface of the clamping block 15.
[0041] In actual use, the circuit board 24 is first placed inside the clamping block 15 of the clamping assembly 13. Due to the elasticity of the spring 18, the spring 18 will drive the pull rod 19 to move towards the middle position of the crossbar 14 through the top baffle 20. The movement of the crossbar 19 will drive the clamping block 15 to move, so that the clamping blocks 15 on both sides move towards each other, thereby clamping the circuit board 24. Then, the motor 7 is started. The rotation of the output end of the motor 7 will drive the expansion sleeve to rotate. The rotation of the expansion sleeve will drive the pulley to rotate. The rotation of the pulley will drive the conveyor belt 22 to move. Since the first sliding block 11 is fixedly connected to the conveyor belt 22, the movement of the conveyor belt 22 will drive the first sliding block 11. The first sliding block 11 moves, causing the circuit board 24 to move towards the first detector 3 and the second detector 4. When the circuit board 24 passes the first detector 3, the point laser set on the first detector 3 will scan the contour of the upper surface of the circuit board 24. When the circuit board 24 passes the first detector 3, the gear 12 will mesh with the tooth block 10, causing the gear 12 to rotate and drive the circuit board 24 to rotate half a turn, so that the reverse side of the circuit board 24 faces upward. The second detector 4 will then scan the contour of the reverse side of the circuit board 24, thereby obtaining the front and back contour images of the circuit board 24. This eliminates the need for manual flipping and improves the detection efficiency.
[0042] This component is equipped with a first detection component 6 and a second detection component 8, which can simultaneously scan the front and back contours of two sets of circuit boards 24. The two sets of circuit boards 24 do not interfere with each other during contour scanning because the distance between the center parts of the support plates 5 of the two sets of circuit boards 24 is the same. The center position of the support plate 5 is the position of the tooth block 10. Therefore, the contour scanning of the two sets of circuit boards 24 can be completed within a certain time, which further improves the efficiency of the contour scanning of the circuit boards 24.
[0043] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A point laser contour detection device, comprising a base (1), a first detector (3), a second detector (4), and a support plate (5), characterized in that: It also includes a conveying component (2); The first detector (3), the second detector (4) and the support plate (5) are fixedly installed on the upper surface of the base (1). The conveying assembly (2) is installed inside the first detector (3) and the second detector (4). The first detector (3) is located in front of the second detector (4). The conveying assembly (2) includes a first detection assembly (6) and a second detection assembly (8). The first detection assembly (6) and the second detection assembly (8) are installed on the inner surface of the support plate (5). The first detection assembly (6) is located below the second detection assembly (8). The first detection assembly (6) and the second detection assembly (8) are completely identical. The first detection component (6) and the second detection component (8) include a clamping component (13) and a conveying component (21). The conveying component (21) is mounted on the inner surface of the support plate (5), and the clamping component (13) is mounted on the side surface of the conveying component (21).
2. The point laser contour detection device according to claim 1, characterized in that, The support plate (5) is provided in two sets, and the two sets of support plates (5) are symmetrically distributed. The inner surface of the support plate (5) is provided with two sets of vertically symmetrical grooves (9). The inner surface of the support plate (5) is fixed with vertically symmetrical toothed blocks (10), and the toothed blocks (10) are located above the grooves (9).
3. The point laser contour detection device according to claim 2, characterized in that, The conveying assembly (21) includes a motor (7), a first sliding block (11), a conveyor belt (22), and a second sliding block (23). The motor (7) is fixed on the outer surface of the support plate (5) near the end. The output end of the motor (7) is located inside the support plate (5). Pulleys are provided at both ends of the inner side of the conveyor belt (22). The pulleys are rotatably connected to the support plate (5). An expansion sleeve is provided at the output end of the motor (7). The expansion sleeve provided at the output end of the motor (7) is fixedly connected to the pulley provided at one end of the conveyor belt (22) by a tension bolt. The first sliding block (11) is fixed on the upper surface of the lower side of the conveyor belt (22), and the second sliding block (23) is fixed on the upper surface of the upper side of the conveyor belt (22).
4. The point laser contour detection device according to claim 3, characterized in that, The first sliding block (11) and the second sliding block (23) are the same length from the center of the support plate (5).
5. The point laser contour detection device according to claim 4, characterized in that, The outer surfaces of the first sliding block (11) and the second sliding block (23) are in sliding connection with the inner wall of the groove (9).
6. The point laser contour detection device according to claim 5, characterized in that, The clamping assembly (13) includes a gear (12), a crossbar (14), a spring (18), a clamping block (15), a pull rod (19), a baffle (20), and a circuit board (24). The gear (12) rotates and passes through the first sliding block (11). The crossbar (14) is fixed to the end of the gear (12). The pull rod (19) slides inside the through groove (17). The spring (18) is sleeved on the outer surface of the pull rod (19). The clamping block (15) is fixed to one end of the pull rod (19). The baffle (20) is fixed to the other end of the pull rod (19).
7. The point laser contour detection device according to claim 6, characterized in that, The tooth block (10) is located between the first detector (3) and the second detector (4). The tooth block (10) is meshed with the gear (12). The crossbar (14) has a storage groove (16) and a through groove (17) inside. The diameter of the storage groove (16) is larger than that of the through groove (17).
8. The point laser contour detection device according to claim 7, characterized in that, The clamping block (15) is located outside the crossbar (14), the storage groove (16) and the baffle (20) have the same diameter and are slidably connected, the spring (18) is located inside the storage groove (16), and the circuit board (24) is snapped onto the inner surface of the clamping block (15).