Quality detection device for 3D bonding wire

By adjusting the camera position using an optical prism and a motor drive system, combined with LED lighting, the problems of obstruction and blind spots in complex wire bonding inspection are solved, achieving high-precision and efficient wire bonding quality inspection.

CN223857088UActive Publication Date: 2026-01-30GUANGDONG GEEYOO VISION TECH CO LTD
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Patent Information

Application Number
CN202423125295.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2026-01-30
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Existing 3D wire bonding quality inspection devices are prone to obstruction and blind spots when inspecting wire bonding with complex geometries, resulting in incomplete and inaccurate inspections.

Method used

An optical prism is used to change the direction of light propagation, guiding the side image of the wire bonding product into the camera's field of view. The camera position is adjusted by a drive motor and a servo motor, and LED lights provide sufficient illumination to ensure image clarity.

Benefits of technology

It improves detection accuracy and efficiency, reduces obstruction and blind spots, and can acquire wire bonding images from multiple angles, adapting to wire bonding products of different specifications and shapes.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223857088U_ABST
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Abstract

The utility model relates to a quality detection device, in particular to a quality detection device for 3D (three-dimensional) bonding wires. Comprising a supporting frame, a driving motor, first screw rods, first bearing seats, a connecting frame, a connecting plate, a sliding plate and a camera, the driving motor is arranged on the right side of the upper portion of the supporting frame, the bearing seats are symmetrically arranged on the right side of the supporting frame up and down, the first screw rods are rotationally connected to the two first bearing seats, and an output shaft of the driving motor is connected with the first screw rods; a connecting frame is arranged on the first screw in a threaded mode, a connecting plate is connected to the left side of the rear end of the connecting frame, a sliding plate is slidably connected to the connecting plate, and a camera is arranged on the sliding plate. According to the utility model, the optical prism can change the propagation direction of light, and guide the side image of a bonding wire product to the view of the camera, thereby ensuring that the camera can obtain the bonding wire image from different angles, and reducing the shielding and blind areas.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a quality detection device, especially a quality detection device for 3D soldering wire. BACKGROUND

[0002] A 3D soldering wire quality detection device is a device that uses 3D imaging technology to assess the quality and integrity of soldered joints, such as solder joints on circuit boards or soldered connections used in industrial production. This type of device mainly captures three-dimensional images of the soldering area and then uses specialized software algorithms to analyze these images to determine whether the soldering quality meets the standards.

[0003] The camera of the existing 3D soldering wire quality detection device is directed at the soldering wire product that needs to be inspected, and the camera detects the soldering wire on the soldering wire product. However, the complex geometry of complex soldering wires (such as bending, crossing, branching, etc.) may cause the detection device to have difficulty obtaining complete and accurate 3D images. For example, some parts may be blocked, which will cause the camera to fail to detect all the details. SUMMARY

[0004] In order to overcome the shortcomings of the camera of the existing 3D soldering wire quality detection device being directed at the soldering wire that needs to be inspected, and the camera possibly making detection errors for complex soldering wires, the purpose of the utility model is to provide a quality detection device for 3D soldering wire.

[0005] The technical implementation scheme of the utility model is: a quality detection device for 3D soldering wire, comprising a support frame, an L-shaped plate, a square plate, a driving motor, a first screw rod, a first bearing seat, a connecting frame, a connecting plate, a sliding plate, a camera, a light shield, and an optical prism, the upper right side of the support frame is provided with a driving motor, the right side of the support frame is symmetrically provided with bearing seats up and down, two first bearing seats are rotatably connected with a first screw rod, the output shaft of the driving motor is connected with the first screw rod, the first screw rod is threadedly connected with the connecting frame, the rear left side of the connecting frame is connected with a connecting plate, the connecting plate is slidably connected with a sliding plate, the sliding plate is provided with a camera, the lower part of the support frame is symmetrically provided with an L-shaped plate, the bottom end of the L-shaped plate is connected with a square plate, the bottom end of the square plate is connected with a light shield, and the bottom end of the light shield is provided with a plurality of optical prisms.

[0006] In a preferred embodiment of the utility model, still include second bearing seat, fixed frame, slide rail, rotary motor, second screw rod, sliding block and connecting block, the rear side of support frame is equipped with fixed frame, the front end of fixed frame is equipped with slide rail on the both sides, the slide rail is equipped with sliding block, two sliding blocks are connected with support frame, the front end of fixed frame is equipped with rotary motor on the right side, the front end of fixed frame is equipped with second bearing seat on the both sides, second screw rod is rotatably connected on second bearing seat, the output shaft of rotary motor is connected with second screw rod, the connecting block is screwed on second screw rod, and the connecting block is connected with support frame.

[0007] In a preferred embodiment of the utility model, the light shield cover is provided with a through hole in the middle, and the diameter of the through hole is greater than the diameter of the camera.

[0008] In a preferred embodiment of the utility model, the bottom end of the light shield cover is provided with two circles of LED lamps.

[0009] In a preferred embodiment of the utility model, the left end of the connecting plate is provided with a servo motor, the output shaft of the servo motor is connected with a gear, and the left end of the sliding plate is provided with a rack.

[0010] In a preferred embodiment of the utility model, the front side of the support frame is connected with a shell.

[0011] Compared with the prior art, the utility model has the following advantages: 1. The optical prism can change the propagation direction of light, guide the side image of the bonding wire product into the field of view of the camera, ensure that the camera can obtain the bonding wire image from different angles, reduce the shielding and blind area, and greatly improve the detection accuracy and efficiency.

[0012] 2. The servo motor drives the gear to rotate, the gear is in transmission connection with the rack, the fine adjustment function of the up-down movement of the sliding plate is realized, the camera can be accurately adjusted in a small range, and the detection requirements of the bonding wire product of different specifications and shapes are adapted.

[0013] 3. The configuration of the LED lamp ensures that clear images can be obtained even in a relatively dark environment. ACCURACY

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0015] Figure 2 It is a three-dimensional structure schematic view of the camera and the light shield cover and other components of the utility model.

[0016] Figure 3 It is a three-dimensional structure schematic view of the support frame and the driving motor and other components of the utility model.

[0017] Figure 4 It is the three-dimensional structure schematic view of optical prism and LED lamp and other components of the utility model.

[0018] Figure 5 It is the three-dimensional structure schematic view of rotating electrical machine and sliding block and other components of the utility model.

[0019] Figure 6 It is the A enlarged view of the utility model. Figure 3

[0020] The marks of each component in the drawing are as follows: 1, support frame, 101, L-shaped plate, 102, square plate, 2, driving motor, 3, first screw rod, 4, first bearing seat, 401, second bearing seat, 5, connecting frame, 501, connecting plate, 502, sliding plate, 7, camera, 8, light shield, 9, optical prism, 10, LED lamp, 11, fixed frame, 12, sliding rail, 13, rotating electrical machine, 14, second screw rod, 15, sliding block, 16, connecting block, 17, rack, 18, servo motor, 19, gear, 20, shell. Specific implementation

[0021] First of all, it should be pointed out that in different described embodiments, the same components are provided with the same figure marks or the same component names, wherein the disclosure contained in the entire specification can be transferred to the same components with the same figure marks or the same component names in the meaning. The selected position description in the specification, for example, up, down, lateral and the like, also refers to the directly described and shown drawings and is transferred to the new position in the meaning when the position changes.

[0022] A quality detection device for 3D wire bonding, such as Figures 1-4 ​As shown, including support frame 1, L-shaped plate 101, square plate 102, drive motor 2, first screw 3, first bearing seat 4, connecting frame 5, connecting plate 501, sliding plate 502, camera 7, light shield 8, optical prism 9, LED lamp 10 and shell 20, the upper right side of the support frame 1 is provided with the drive motor 2, the right side of the support frame 1 is symmetrically provided with the bearing seat, the first screw 3 is rotatably connected on the two first bearing seats 4, the output shaft of the drive motor 2 is connected with the first screw 3, the connecting frame 5 is threadedly connected on the first screw 3, the connecting plate 501 is connected on the left side of the rear end of the connecting frame 5, the sliding plate 502 is slidingly connected on the connecting plate 501, the camera 7 is arranged on the sliding plate 502, the L-shaped plate 101 is symmetrically arranged on the lower part of the support frame 1, the square plate 102 is connected on the bottom end of the L-shaped plate 101, the light shield 8 is connected on the bottom end of the square plate 102, the through hole is arranged in the middle of the light shield 8, the diameter of the through hole is greater than the diameter of the camera 7, the through hole on the light shield 8 can gather light into the field of view of the camera 7, a plurality of optical prisms 9 are arranged at intervals on the bottom end of the light shield 8, the camera 7 is opened, the drive motor 2 can drive the first screw 3 to rotate, the first screw 3 is threadedly connected with the connecting frame 5, when the first screw 3 rotates, the connecting frame 5 moves up and down along the first screw 3, the connecting plate 501 and the sliding plate 502 move together with the connecting frame 5, the camera 7 installed on the sliding plate 502 can move in the vertical direction to adjust the height of the camera 7, the optical prism 9 can change the propagation direction of the light, guide the side image of the welding line product into the field of view of the camera 7, ensure that the camera 7 can obtain the welding line image from different angles, reduce the shielding and blind area, two circles of LED lamps 10 are arranged on the bottom end of the light shield 8, the LED lamps 10 can provide sufficient illumination, ensure that the camera 7 can clearly capture the image of the welding line, the shell 20 is connected on the front side of the support frame 1, the shell 20 can protect the camera 7.

[0023] As Figure 1 and Figure 5As shown, it also includes the second bearing seat 401, the fixed frame 11, the slide rail 12, the rotary motor 13, the second screw rod 14, the sliding block 15 and the connecting block 16, the rear side of the support frame 1 is provided with the fixed frame 11, the front end of the fixed frame 11 is symmetrically provided with the slide rail 12 on the upper and lower sides, the slide rail 12 is slidably connected with the sliding block 15, the two sliding blocks 15 are connected with the support frame 1, the front end of the fixed frame 11 is provided with the rotary motor 13 on the right side, the front end of the fixed frame 11 is symmetrically provided with the second bearing seat 401 on the left and right sides, the second bearing seat 401 is rotatably connected with the second screw rod 14, the output shaft of the rotary motor 13 is connected with the second screw rod 14, the connecting block 16 is threadedly connected with the second screw rod 14, the connecting block 16 is connected with the support frame 1, if it is needed to move the camera 7 left and right, the rotary motor 13 can be turned on, the rotary motor 13 drives the second screw rod 14 to rotate, because of the thread cooperation between the second screw rod 14 and the connecting block 16, the connecting block 16 can move left and right along the second screw rod 14, the connecting block 16 drives the support frame 1 to move left and right, and then drives the camera 7 to move left and right, the two sliding blocks 15 slide together with the support frame 1, and the two sliding blocks 15 can make the support frame 1 move left and right more stably.

[0024] As shown in Figure 3 and Figure 6 As shown, it also includes the rack 17, the servo motor 18 and the gear 19, the left end of the connecting plate 501 is provided with the servo motor 18, the output shaft of the servo motor 18 is connected with the gear 19, the left end of the sliding plate 502 is provided with the rack 17, the gear 19 is engaged with the rack 17, when the camera 7 can obtain the image of the welding line, the camera 7 can be finely adjusted by the servo motor 18 to obtain a clearer image, the servo motor 18 drives the gear 19 to rotate, the gear 19 is engaged with the rack 17, and drives the sliding plate 502 to move up and down.

[0025] When people use the detection device for wire bonding detection, place the wire bonding product under the through hole on the light shield 8, align the center of the wire bonding product with the center of the through hole, start the drive motor 2, open the camera 7, drive the first screw rod 3 to rotate, because the first screw rod 3 is screwed with the connecting frame 5, so when the first screw rod 3 rotates, the connecting frame 5 will move up and down along the first screw rod 3, the connecting plate 501 and the sliding plate 502 move with the connecting frame 5, the camera 7 installed on the sliding plate 502 can move in the vertical direction, move the camera 7 downward, when the camera 7 can obtain the image of the wire, turn off the drive motor 2, start the servo motor 18, open the LED lamp 10, the servo motor 18 drives the gear 19 to rotate, the gear 19 is engaged with the rack 17, drives the sliding plate 502 to move downward, when the camera 7 can clearly capture the overall appearance of the wire on the wire bonding product, turn off the servo motor 18, at this time the side of the wire bonding product is refracted to the camera 7 through the optical prism 9, the camera 7 can capture the image of the wire on the wire bonding product from multiple angles, the through hole on the light shield 8 plays the role of gathering light, the LED lamp 10 can provide sufficient illumination, ensure that the camera 7 can clearly capture the image of the wire, if necessary, move the camera 7 left and right, the rotating motor 13 can be opened, the rotating motor 13 drives the second screw rod 14 to rotate, because the second screw rod 14 is screwed with the connecting block 16, so the connecting block 16 can move left and right along the second screw rod 14, the connecting block 16 drives the support frame 1 to move left and right, and then drives the camera 7 to move left and right, adjusts the position of the camera 7, in this process, the two sliding blocks 15 slide with the support frame 1, the shell 20 can protect the parts on the support frame 1.

[0026] Although the present disclosure has been described only with respect to a limited number of embodiments, those skilled in the art who benefit from the present disclosure will understand that various other embodiments can be designed without departing from the scope of the present utility model. Therefore, the scope of the present utility model should be limited only by the appended claims.

Claims

1. A quality detection device for 3D wire bonding, comprising a support frame (1), an L-shaped plate (101) and a square plate (102), the lower part of the support frame (1) is symmetrically provided with the L-shaped plate (101), and the bottom end of the L-shaped plate (101) is connected with the square plate (102), characterized in that, The utility model also includes drive motor (2), first screw rod (3), first bearing seat (4), connecting frame (5), connecting plate (501), sliding plate (502), camera (7), light shield (8) and optical prism (9), the upper right side of support frame (1) is equipped with drive motor (2), the right side of support frame (1) is symmetrically arranged bearing seat, and two first bearing seats (4) are rotatably connected with first screw rod (3), the output shaft of drive motor (2) is connected with first screw rod (3), and first screw rod (3) is screwed with connecting frame (5), the rear end left side of connecting frame (5) is connected with connecting plate (501), connecting plate (501) is slidably connected with sliding plate (502), sliding plate (502) is equipped with camera (7), the bottom end of square plate (102) is connected with light shield (8), and the bottom end of light shield (8) is equipped with multiple optical prisms (9) at intervals.

2. A quality inspection apparatus for 3D wire bonding according to claim 1, wherein The utility model also includes second bearing seat (401), fixed frame (11), sliding rail (12), rotary motor (13), second screw rod (14), sliding block (15) and connecting block (16), the rear side of support frame (1) is equipped with fixed frame (11), and the front end of fixed frame (11) is symmetrically provided with sliding rail (12) on both sides, and the sliding rail (12) is slidably connected with sliding block (15), and the two sliding blocks (15) are connected with support frame (1), the front end right side of fixed frame (11) is equipped with rotary motor (13), and the front end of fixed frame (11) is symmetrically provided with second bearing seat (401) on both sides, and second bearing seat (401) is rotatably connected with second screw rod (14), and the output shaft of rotary motor (13) is connected with second screw rod (14), and second screw rod (14) is screwed with connecting block (16), and connecting block (16) is connected with support frame (1).

3. A quality inspection apparatus for 3D wire bonding according to claim 2, wherein The middle part of the light shield (8) is provided with a through hole, and the diameter of the through hole is greater than the diameter of the camera (7).

4. The apparatus for quality inspection of 3D wire bonding according to claim 3, wherein, The utility model also includes LED lamp (10), and the bottom end of the light shield (8) is provided with two circles of LED lamp (10).

5. A quality inspection apparatus for 3D wire bonding according to claim 4, wherein The utility model also includes rack (17), servo motor (18) and gear (19), the left end of the connecting plate (501) is provided with servo motor (18), the output shaft of the servo motor (18) is connected with the gear (19), and the left end of the sliding plate (502) is provided with the rack (17), and the gear (19) is engaged with the rack (17).

6. A quality inspection apparatus for 3D wire bonding according to claim 5, wherein The utility model also includes shell (20), and the front side of the support frame (1) is connected with the shell (20). The utility model also includes shell (20), and the front side of the support frame (1) is connected with the shell (20).