Circuit board welding spot inspection equipment

By designing circuit board solder joint inspection equipment, and using servo motors to drive the scanner to move to detect solder joints, the problems of low manual inspection efficiency and high leakage detection rate in the prior art are solved, and efficient and accurate solder joint inspection is achieved.

CN222965128UActive Publication Date: 2025-06-10GUANGZHOU HANKE ELECTRONICS CO LTD
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Patent Information

Application Number
CN202421881636.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-06
Publication Date
2025-06-10
Estimated Expiration
2034-08-06

AI Technical Summary

Technical Problem

In the prior art, the inspection of PCBA board solder joints mainly relies on manual observation, which is labor-intensive, low-working efficiency, and is prone to missed inspection, which affects the consistency of the product.

Method used

A circuit board solder joint inspection equipment is designed. Through the coordination between the detection table, support, support frame, slide, threaded rod, slider, mounting base, scanner, placement frame and support plate, the servo motor drives the threaded rod to rotate, and the slider moves in the slide, driving the scanner to move, and scanning and testing the solder joints on the surface of the circuit board.

Benefits of technology

This equipment can effectively reduce the labor intensity of manual inspection, improve detection efficiency, reduce leakage detection rate, and ensure the accuracy and consistency of solder joint inspection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a circuit board welding spot inspection device, comprising a detection bench, the upper surface of the detection bench is fixedly connected with a support and a support frame in sequence from front to back, the top end of the support frame is fixedly connected with a slide way, the inside of the slide way is in threaded connection with a threaded rod, the outer surface of the threaded rod is in threaded connection with a slide block, and the slide block is in threaded connection with the support frame. The front face of the sliding block is fixedly connected with a mounting base, the mounting base is fixedly connected with a scanner through a positioning handle, the support is fixedly connected with a containing frame, and one end of the threaded rod is fixedly connected with the output end of a servo motor. According to the circuit board welding spot inspection equipment, when welding spot inspection is carried out on a circuit board, a worker can place the circuit board on a supporting plate, then a servo motor is started, the servo motor drives a threaded rod to rotate, a sliding block is made to move in a sliding way, a scanner can be driven to move, welding spots on the surface of the circuit board can be scanned and transmitted to a displayer, and therefore the circuit board is inspected. And inspection of the welding spots is facilitated.
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Description

Technical Field

[0001] The utility model relates to the technical field of solder joint inspection, and particularly relates to a circuit board solder joint inspection device. Background Technique

[0002] A large number of electronic components are soldered on the PCBA board. Inevitably, there are cases of poor solder joints. It is necessary to detect the PCBA board to detect the defective solder joints and then perform subsequent rework soldering.

[0003] In the prior art, the method of manual inspection by looking at a board is usually adopted, that is, the whole PCBA board is picked up manually and the specific situation at each solder joint is carefully observed. The labor intensity is large, the work efficiency is low, and it is very easy to miss inspection, which affects the consistency of the product. For this reason, we propose a circuit board solder joint inspection device. Content of the Utility Model

[0004] The main purpose of the utility model is to provide a circuit board solder joint inspection device, which can effectively solve the problems in the background technique.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A circuit board solder joint inspection device includes a detection table. A support and a support frame are fixedly connected to the upper surface of the detection table in sequence from front to back. A slideway is fixedly connected to the top end of the support frame. A threaded rod is threadedly connected to the inside of the slideway. A slider is threadedly connected to the outer surface of the threaded rod. A mounting seat is fixedly connected to the front surface of the slider. The mounting seat is fixedly connected to a scanner through a positioning handle. The support is fixedly connected to a placement frame. One end of the threaded rod is fixedly connected to the output end of a servo motor.

[0007] In order to facilitate the placement of the circuit board, as a circuit board solder joint inspection device of the utility model, a limiting rod is inserted into the inside of the placement frame. One end of the limiting rod is fixedly connected to a support plate. The other end of the limiting rod far away from the support plate is fixedly connected to a first wedge-shaped block.

[0008] In order to limit the limiting rod, as a circuit board solder joint inspection device of the utility model, a limiting ring is fixedly connected to the lower surface of the placement frame. The limiting rod is inserted into the inside of the limiting ring. The limiting rod and the placement frame are connected by a spring.

[0009] In order to facilitate the control of the movement of the second wedge-shaped block, as a circuit board solder joint inspection device of the utility model, an electric push rod is fixedly connected to the lower surface of the placement frame through a bolt. The output end of the electric push rod is fixedly connected to a second wedge-shaped block.

[0010] For the convenience of placing the display, as a circuit board solder joint inspection device of the present utility model, one side of the inspection table is fixedly connected with an auxiliary table, and a display is placed on the upper surface of the auxiliary table.

[0011] For making the device more stable in placement, as a circuit board solder joint inspection device of the present utility model, support feet are fixedly connected to the four corners of the lower surface of the inspection table, and the number of the support feet is four.

[0012] For the convenience of overhauling the inspection table, as a circuit board solder joint inspection device of the present utility model, a box door is hinged to the front of the inspection table through a hinge.

[0013] Compared with the prior art, the present utility model has the following beneficial effects:

[0014] 1. For this circuit board solder joint inspection device, through the cooperative setting among the inspection table, the support, the support frame, the slide way, the threaded rod, the slider, the mounting seat, the scanner, the placement frame and the support plate, when performing solder joint detection on the circuit board, the staff can place the circuit board on the support plate, and then start the servo motor. The servo motor drives the threaded rod to rotate, so that the slider moves inside the slide way, and then the scanner can be driven to move, and the solder joints on the surface of the circuit board can be scanned and transmitted to the display, which is convenient for inspecting the solder joints.

[0015] 2. For this circuit board solder joint inspection device, through the cooperative setting among the placement frame, the limiting rod, the support plate, the first wedge-shaped block, the limiting ring, the electric push rod and the second wedge-shaped block, when the staff starts the electric push rod, the electric push rod moves, and the second wedge-shaped block can be moved, and the contact area with the first wedge-shaped block becomes larger, so that the distance between the two support plates can be increased to meet the placement of circuit boards of different sizes, and the applicability is stronger. Description of the Drawings

[0016] Figure 1 It is an axonometric structure diagram of a circuit board solder joint inspection device according to Embodiment 1 of the present utility model;

[0017] Figure 2 It is a rear axonometric structure diagram of a circuit board solder joint inspection device according to Embodiment 1 of the present utility model;

[0018] Figure 3 It is a sectional axonometric structure diagram seen from below of a circuit board solder joint inspection device according to Embodiment 1 of the present utility model;

[0019] Figure 4 It is an axonometric structure diagram of the placement frame in a circuit board solder joint inspection device according to Embodiment 1 of the present utility model;

[0020] Figure 5This is a partial axonometric structural schematic diagram of a circuit board solder joint inspection device in Embodiment 1 of the present utility model;

[0021] Figure 6 This is the second partial axonometric structural schematic diagram of a circuit board solder joint inspection device in Embodiment 1 of the present utility model.

[0022] In the figure: 1, detection table; 2, support; 3, support frame; 4, slideway; 5, threaded rod; 6, slider; 7, mounting seat; 8, scanner; 9, placement frame; 10, limiting rod; 11, support plate; 12, first wedge block; 13, limiting ring; 14, box door; 15, spring; 16, electric push rod; 17, second wedge block; 18, auxiliary table; 19, display; 20, support foot; 21, servo motor. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1

[0025] As Figures 1-6 shown, a circuit board solder joint inspection device includes a detection table 1. A support 2 and a support frame 3 are fixedly connected to the upper surface of the detection table 1 in sequence from front to back. The top end of the support frame 3 is fixedly connected to a slideway 4. A threaded rod 5 is threadedly connected to the inside of the slideway 4. A slider 6 is threadedly connected to the outer surface of the threaded rod 5. The front surface of the slider 6 is fixedly connected to a mounting seat 7. The mounting seat 7 is fixedly connected to the scanner 8 through a positioning handle. The support 2 is fixedly connected to a placement frame 9. One end of the threaded rod 5 is fixedly connected to the output end of the servo motor 21.

[0026] During specific use, through the cooperative setting among the detection table 1, the support 2, the support frame 3, the slideway 4, the threaded rod 5, the slider 6, the mounting seat 7, the scanner 8, the placement frame 9 and the support plate 11, when performing solder joint detection on the circuit board, the staff can place the circuit board on the support plate 11, and then start the servo motor 21. The servo motor 21 drives the threaded rod 5 to rotate, so that the slider 6 moves inside the slideway 4, which can drive the scanner 8 to move, and can scan the solder joints on the surface of the circuit board and transmit them to the display 19 for easy inspection of the solder joints.

[0027] In this embodiment, a limiting rod 10 is inserted inside the placement frame 9. One end of the limiting rod 10 is fixedly connected to a support plate 11, and the other end of the limiting rod 10 away from the support plate 11 is fixedly connected to a first wedge-shaped block 12.

[0028] During specific use, through the setting of the support plate 11, the circuit board can be placed on the support plate 11, facilitating the detection of the circuit board.

[0029] In this embodiment, a limiting ring 13 is fixedly connected to the lower surface of the placement frame 9. The limiting rod 10 is inserted inside the limiting ring 13, and the limiting rod 10 and the placement frame 9 are connected by a spring 15.

[0030] During specific use, through the setting of the limiting ring 13, the limiting rod 10 can be limited, making it not easy to deviate in position when the limiting rod 10 moves.

[0031] In this embodiment, an electric push rod 16 is fixedly connected to the lower surface of the placement frame 9 through bolts, and the output end of the electric push rod 16 is fixedly connected to a second wedge-shaped block 17.

[0032] During specific use, through the cooperative setting among the placement frame 9, the limiting rod 10, the support plate 11, the first wedge-shaped block 12, the limiting ring 13, the electric push rod 16, and the second wedge-shaped block 17, when the staff starts the electric push rod 16 and the electric push rod 16 moves, the second wedge-shaped block 17 can be moved, and the contact area with the first wedge-shaped block 12 becomes larger, so that the distance between the two support plates 11 can be increased to accommodate circuit boards of different sizes, with stronger applicability.

[0033] In this embodiment, an auxiliary table 18 is fixedly connected to one side of the detection table 1, and a display 19 is placed on the upper surface of the auxiliary table 18.

[0034] During specific use, through the setting of the auxiliary table 18, it is convenient to place the display 19.

[0035] In this embodiment, support feet 20 are fixedly connected to the four corners of the lower surface of the detection table 1. The number of the support feet 20 is four, and a box door 14 is hinged to the front of the detection table 1 through a hinge.

[0036] During specific use, through the setting of the support feet 20, the device can be placed more stably.

[0037] Working principle: When in use, the operator can first start the electric push rod 16 according to the specifications of the circuit board to be placed. The electric push rod 16 moves, which can make the second wedge block 17 move, adjust the distance between the two support plates 11, then place the circuit board on the support plates 11, and then start the servo motor 21. The servo motor 21 drives the threaded rod 5 to rotate, making the slider 6 move inside the slideway 4, which can drive the scanner 8 to move and scan the solder joints on the surface of the circuit board.

[0038] The above shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the description in the specification only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A circuit board solder joint inspection device, comprising a detection table (1), characterized in that: The upper surface of the detection platform (1) is fixedly connected with a support (2) and a support frame (3) in sequence from front to back, the top of the support frame (3) is fixedly connected with a slideway (4), the inner thread of the slideway (4) is connected with a threaded rod (5), the outer surface of the threaded rod (5) is connected with a slider (6), the front of the slider (6) is fixedly connected with a mounting seat (7), the mounting seat (7) is fixedly connected with a scanner (8) via a positioning handle, the support (2) is fixedly connected with a placement frame (9), and one end of the threaded rod (5) is fixedly connected with an output end of a servo motor (21).

2. A circuit board solder joint inspection device according to claim 1, characterized in that: A limiting rod (10) is inserted into the interior of the placement frame (9), one end of the limiting rod (10) is fixedly connected to a support plate (11), and the other end of the limiting rod (10) away from the support plate (11) is fixedly connected to a first wedge block (12).

3. A circuit board solder joint inspection device according to claim 2, characterized in that: The lower surface of the placement frame (9) is fixedly connected to a limiting ring (13), the interior of the limiting ring (13) is plugged with a limiting rod (10), and the limiting rod (10) and the placement frame (9) are connected via a spring (15).

4. The circuit board solder joint inspection device according to claim 1, characterized in that: The lower surface of the placement frame (9) is fixedly connected to an electric push rod (16) via bolts, and the output end of the electric push rod (16) is fixedly connected to a second wedge block (17).

5. The circuit board solder joint inspection device according to claim 1, characterized in that: An auxiliary platform (18) is fixedly connected to one side of the detection platform (1), and a display (19) is placed on the upper surface of the auxiliary platform (18).

6. The circuit board solder joint inspection device according to claim 1, characterized in that: The four corners of the lower surface of the detection platform (1) are fixedly connected with support legs (20), and the number of the support legs (20) is four.

7. The circuit board solder joint inspection device according to claim 1, characterized in that: The front side of the testing platform (1) is hingedly connected with a box door (14) via a hinge.