Detection device for detecting firmness degree of welding spot

Abstract

The utility model discloses a detection device for detecting the firmness degree of a welding spot, which belongs to the technical field of detection devices and comprises a base. The driving mechanism is arranged on the base, the output end of the driving mechanism is connected with a supporting plate, the driving mechanism drives the supporting plate to move in the X-axis direction, the Y-axis direction and the Z-axis direction, and a sliding rail arranged in the X-axis direction is fixedly connected to the supporting plate; the shifting needle is in sliding connection with the sliding rail, a pressure sensor is fixedly connected to the supporting plate and located on one side of the sliding rail, and the shifting needle makes contact with the measuring end of the pressure sensor. According to the utility model, the applied shifting force can be conveniently controlled, the damage to the welding spot of the data line is reduced, and the accuracy of the detection effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a detection device for detecting the firmness of solder joints. Background Art

[0002] In order to ensure the production quality of data cables, after the data cables are welded, it is necessary to manually toggle the solder joints to recheck the firmness of the welded joints, so as to prevent defective products with false soldering from flowing into the next process. When performing manual inspection, it is not easy to control the toggling force on the solder joints. Excessive force is likely to damage the solder joints, while too small force is not easy to detect defective products with false soldering, resulting in defective products with false soldering flowing into the next process. Therefore, the inspection quality of manual inspection is uneven and the inspection effect is poor.

[0003] Therefore, a detection device for detecting the firmness of solder joints is proposed. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a detection device for detecting the firmness of solder joints, aiming to solve or improve at least one of the above technical problems.

[0005] To achieve the above purpose, the utility model provides the following solution: The utility model provides a detection device for detecting the firmness of solder joints, including:

[0006] A base;

[0007] A driving mechanism, arranged on the base, the output end of the driving mechanism is connected with a support plate, the driving mechanism drives the support plate to move along the X-axis, Y-axis and Z-axis directions, and a slide rail arranged along the X-axis direction is fixedly connected to the support plate;

[0008] A dialing needle, slidably connected to the slide rail, a pressure sensor is fixedly connected to the support plate, the pressure sensor is located on one side of the slide rail, and the dialing needle is in contact with the measuring end of the pressure sensor.

[0009] Preferably, a 3D camera is fixedly connected to the support plate, and the 3D camera is located on the side of the slide rail away from the pressure sensor.

[0010] Preferably, a bracket is fixedly connected to the base, and a camera is fixedly connected to the bracket, and the camera is located above the dialing needle.

[0011] Preferably, a slider is slidably connected to the slide rail, an inclination angle adjusting member is arranged on the slider, the inclination angle adjusting member is connected to the dialing needle, and one side of the slider is in contact with the measuring end of the pressure sensor.

[0012] Preferably, a stop block is fixedly connected to the support plate, and the stop block is located on the side of the slider away from the pressure sensor and is in contact with the side wall of the slider.

[0013] Preferably, the driving mechanism includes a first linear motor, a second linear motor, and a third linear motor. The first linear motor is fixedly connected to the base, the second linear motor is fixedly connected to the output end of the first linear motor, the third linear motor is fixedly connected to the output end of the second linear motor, and the output end of the third linear motor is fixedly connected to the support plate. The output end of the first linear motor moves along the X-axis direction, the output end of the second linear motor moves along the Y-axis direction, and the output end of the third linear motor moves along the Z-axis direction.

[0014] The present utility model discloses the following technical effects: The driving mechanism drives the needle to move to one side of the data line solder joint, so that the needle is located between the solder joint and the pressure sensor. Then, the driving mechanism drives the needle to move towards the solder joint, making the needle contact the solder joint and applying a pulling force to the solder joint. The magnitude of the pulling force is measured by the pressure sensor, which facilitates the control of the pulling force and observes whether there is displacement of the solder joint, thereby determining whether there is a virtual soldering situation. This application facilitates the control of the applied pulling force, reduces the damage to the data line solder joint, and improves the accuracy of the detection effect. Description of the Drawings

[0015] The drawings forming a part of this application are used to provide a further understanding of this application. The schematic embodiments and descriptions of this application are used to explain this application and do not constitute an improper limitation to this application. In the drawings:

[0016] Figure 1 is an axonometric view of the present utility model;

[0017] Figure 2 is a structural schematic diagram of the support plate, the stopper, and the pressure sensor in the present utility model;

[0018] Figure 3 is a structural schematic diagram of the slide rail and the slider in the present utility model;

[0019] Figure 4 is a structural schematic diagram of the rotating shaft, the fixed block, and the screw in the present utility model.

[0020] In the figure: 1, base; 2, support plate; 3, slide rail; 4, needle; 5, pressure sensor; 6, 3D camera; 7, bracket; 8, camera; 9, slider; 10, stopper; 11, first linear motor; 12, second linear motor; 13, third linear motor; 14, chassis; 15, groove; 16, rotating shaft; 17, disc; 18, chute; 19, fixed block; 20, screw. Detailed Embodiments

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0023] Reference Figures 1-4 The utility model provides a detection device for detecting the firmness of a welding point, comprising:

[0024] Base 1;

[0025] The driving mechanism is arranged on the base 1, the output end of the driving mechanism is connected to the support plate 2, the driving mechanism drives the support plate 2 to move along the X-axis, Y-axis and Z-axis directions, and the support plate 2 is fixedly connected to a slide rail 3 arranged along the X-axis direction;

[0026] The setting needle 4 is slidably connected with the slide rail 3. A pressure sensor 5 is fixedly connected to the support plate 2. The pressure sensor 5 is located on one side of the slide rail 3. The setting needle 4 contacts the measuring end of the pressure sensor 5.

[0027] The driving mechanism drives the dial pin 4 to move to one side of the data line solder joint, so that the dial pin 4 is located between the solder joint and the pressure sensor 5, and then the driving mechanism drives the dial pin 4 to move in the direction close to the solder joint, so that the dial pin 4 contacts the solder joint, and applies a dial force to the solder joint. The magnitude of the dial force is measured by the pressure sensor 5, which is convenient for controlling the dial force and observing whether the solder joint is displaced, so as to judge whether there is a cold solder joint, and the firmness of the solder joint can be indirectly judged by the magnitude of the applied dial force. The present application facilitates the control of the applied dial force, reduces the damage to the data line solder joint, and improves the accuracy of the detection effect.

[0028] In a further optimized solution, a 3D camera 6 is fixedly connected to the support plate 2, and the 3D camera 6 is located on a side of the slide rail 3 away from the pressure sensor 5;

[0029] Before moving the solder joint, the solder position of the product is scanned and photographed by the 3D camera 6, and the height and width dimensions of the solder joint are identified at the same time.

[0030] According to a further optimized solution, a bracket 7 is fixedly connected to the base 1, a camera 8 is fixedly connected to the bracket 7, and the camera 8 is located above the dial needle 4;

[0031] When the solder joint is toggled, the camera 8 automatically takes continuous photos to identify whether the solder joint is displaced during the toggling process and determine whether the solder joint is firmly welded.

[0032] In a further optimized solution, a slider 9 is slidably connected to the slide rail 3. An inclination adjusting member is provided on the slider 9. The inclination adjusting member is connected to the needle 4. One side of the slider 9 is in contact with the measuring end of the pressure sensor 5.

[0033] The inclination adjusting member is used to adjust the inclination angle of the needle 4, so as to facilitate adjusting the needle 4 to a suitable inclination angle according to the detection needs.

[0034] In an alternative embodiment, the inclination adjusting member includes a chassis 14 fixedly connected to the slider 9. A groove 15 is formed in the chassis 14. A rotating shaft 16 is rotatably connected in the groove 15. The rotating shaft 16 is fixedly connected to a disc 17. The needle 4 is fixedly connected to the disc 17. A sliding groove 18 is formed in the side wall of the groove 15. A fixing block 19 is slidably connected in the sliding groove 18. A screw 20 is threadedly connected to the side wall of the chassis 14. One end of the screw 20 is rotatably connected to the fixing block 19. By rotating the screw 20, the fixing block 19 slides in the sliding groove 18 and presses against the rotating shaft 16, thereby positioning the rotating shaft 16. When the inclination needs to be adjusted, the rotating shaft 16 is released by rotating the screw 20.

[0035] In a further optimized solution, a stop block 10 is fixedly connected to the support plate 2. The stop block 10 is located on the side of the slider 9 away from the pressure sensor 5 and is in contact with the side wall of the slider 9.

[0036] In a further optimized solution, the driving mechanism includes a first linear motor 11, a second linear motor 12 and a third linear motor 13. The first linear motor 11 is fixedly connected to the base 1. The second linear motor 12 is fixedly connected to the output end of the first linear motor 11. The third linear motor 13 is fixedly connected to the output end of the second linear motor 12. The output end of the third linear motor 13 is fixedly connected to the support plate 2. The output end of the first linear motor 11 moves along the X-axis direction. The output end of the second linear motor 12 moves along the Y-axis direction. The output end of the third linear motor 13 moves along the Z-axis direction.

[0037] When the utility model is in use, a background control system (not shown in the figure) is provided to control the system. The workpiece to be detected is fixed on one side of the base 1 and directly below the camera 8. The 3D camera 6 is used to scan and photograph the solder position of the product, identify the height and width dimensions of the solder joint, and at the same time identify the position of the solder joint and transmit it to the background control system. The background control system drives the needle-poking device 4 to move by controlling the first linear motor 11, the second linear motor 12, and the third linear motor 13, so that the needle-poking device 4 moves to one side of the solder joint, and the needle-poking device 4 is located between the solder joint and the pressure sensor 5. The first linear motor 11 drives the needle-poking device 4 to poke the solder joint, and the poking pressure is measured by the pressure sensor 5, so as to facilitate the control of the poking force. At the same time, the firmness of the solder joint can be indirectly judged through the pressure data. During the poking process, the camera 8 automatically takes continuous photos and transmits them to the background control system. The background software is used to identify whether the solder joint has displacement during the poking process and judge whether the solder joint is firmly welded, thus realizing automatic detection, improving the accuracy of the detection result, and reducing the labor input at the same time.

[0038] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0039] The above-described embodiments are only used to describe the preferred mode of the present utility model, and do not limit the scope of the present utility model. Without departing from the design spirit of the present utility model, various deformations and improvements made by those of ordinary skill in the art to the technical solution of the present utility model should fall within the protection scope determined by the claims of the present utility model.

Claims

1. A detection device for detecting the firmness of solder joints, characterized in that, Comprising: Base (1); A driving mechanism, disposed on the base (1), an output end of the driving mechanism is connected to a support plate (2), the driving mechanism drives the support plate (2) to move along the X-axis, Y-axis and Z-axis directions, and a slide rail (3) arranged along the X-axis direction is fixedly connected to the support plate (2); A dialing needle (4), slidably connected to the slide rail (3), a pressure sensor (5) is fixedly connected to the support plate (2), the pressure sensor (5) is located on one side of the slide rail (3), and the dialing needle (4) contacts a measuring end of the pressure sensor (5).

2. The detection device for detecting the firmness of solder joints according to claim 1, characterized in that: A 3D camera (6) is fixedly connected to the support plate (2), and the 3D camera (6) is located on a side of the slide rail (3) away from the pressure sensor (5).

3. The detection device for detecting the firmness of solder joints according to claim 1, characterized in that: A bracket (7) is fixedly connected to the base (1), and a camera (8) is fixedly connected to the bracket (7), and the camera (8) is located above the dialing needle (4).

4. The detecting device for detecting the firmness of a solder joint according to claim 1, wherein: A slider (9) is slidably connected to the slide rail (3), an inclination adjusting member is arranged on the slider (9), the inclination adjusting member is connected to the dialing needle (4), and one side of the slider (9) contacts the measuring end of the pressure sensor (5).

5. The detection device for detecting the firmness of a solder joint according to claim 4, characterized in that: A stop block (10) is fixedly connected to the support plate (2), the stop block (10) is located on a side of the slider (9) away from the pressure sensor (5) and contacts a side wall of the slider (9).

6. The detection device for detecting the firmness of solder joints according to claim 1, wherein: The driving mechanism includes a first linear motor (11), a second linear motor (12) and a third linear motor (13), the first linear motor (11) is fixedly connected to the base (1), the second linear motor (12) is fixedly connected to an output end of the first linear motor (11), the third linear motor (13) is fixedly connected to an output end of the second linear motor (12), an output end of the third linear motor (13) is fixedly connected to the support plate (2), an output end of the first linear motor (11) moves along the X-axis direction, an output end of the second linear motor (12) moves along the Y-axis direction, and an output end of the third linear motor (13) moves along the Z-axis direction.

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