A visual inspection device for solder joints

Abstract

The present invention discloses a visual inspection device for solder joints, comprising: a testing platform, a collection system, a linear motion unit, a control system, a detection system, and a power supply system; the collection system is arranged above the testing platform, the linear motion unit is arranged on the testing platform and below the collection system, the control system and the power supply system are arranged below the testing platform, the detection system is arranged in the control system, the control system is electrically connected to the power supply system, and the collection system and the linear motion unit are electrically connected to the control system respectively. The present invention provides a visual inspection device for solder joints, which mainly comprises a testing platform, a collection system, a linear motion unit, a control system, a detection system, and a power supply system. The visual inspection device for solder joints has the characteristics of high efficiency and high recognition rate, thereby replacing the operator using a magnifying glass for detection, thereby avoiding human errors and improving production efficiency.

Description

Technical Field

[0001] The present invention relates to the field of welding vision technology, and more specifically, to a welding spot vision detection device. Background Art

[0002] Automatic welding devices are widely used in the fields of automobiles, electronics, communications, etc., and welds may have welding defects such as incomplete welds, surface dents, surface protrusions, surface spatter, etc. The traditional eddy current detection effect is not ideal and the missed detection rate is high. In order to avoid quality risks of products, the existing technology usually requires operators to use magnifying glasses for detection, but this is difficult to completely avoid human errors and reduces production efficiency to a certain extent.

[0003] Therefore, it is necessary to provide a solder joint visual inspection device to at least partially solve the problems existing in the prior art. Summary of the invention

[0004] A series of simplified concepts are introduced in the Summary of the Invention, which will be further described in detail in the Detailed Description of the Invention. The Summary of the Invention does not mean to attempt to define the key features and essential technical features of the claimed technical solution, nor does it mean to attempt to determine the scope of protection of the claimed technical solution.

[0005] In order to at least partially solve the above problems, the present invention provides a welding spot visual inspection device, comprising:

[0006] Testing platform, acquisition system, linear motion unit, control system, testing system, power supply system;

[0007] The acquisition system is arranged above the detection table, the linear motion unit is arranged on the detection table and below the acquisition system, the control system and the power supply system are arranged below the detection table, the detection system is arranged in the control system, the control system is electrically connected to the power supply system, and the acquisition system and the linear motion unit are electrically connected to the control system respectively.

[0008] Preferably, the acquisition system includes a support frame, a visual camera, a display, an operation button panel and an alarm light, the support frame is arranged on the detection table, the visual camera is arranged on the inner top surface of the support frame, the display is arranged on the left side of the front end surface of the support frame, the operation button panel is arranged on the right side of the front end surface of the support frame, the alarm light is arranged above the support frame, and the visual camera, the display, the operation button panel and the alarm light are electrically connected to the control system respectively.

[0009] Preferably, the display is connected to the support frame via an articulated mechanism, the articulated mechanism comprising an articulated seat, two articulated cylinders, a vertical rotating rod and a horizontal articulated plate, the two articulated cylinders are vertically spaced apart on the articulated seat, the vertical rotating rod is rotatably arranged in the two articulated cylinders, one end of the horizontal articulated plate is connected to the vertical rotating rod, and the other end is connected to the display, the horizontal articulated plate is located between the two articulated cylinders, and a damping sleeve is arranged between the articulated cylinder and the vertical rotating rod.

[0010] Preferably, the linear motion unit includes a linear motion slot, a motor and a screw, the motor is arranged at one end of the linear motion slot, the screw is arranged in the linear motion slot, one end of the screw is rotatably connected to the output shaft of the motor, the motor is electrically connected to the control system, the other end of the screw is rotatably connected to the other end of the linear motion slot, and a workbench is provided on the linear motion unit, and the workbench is movably connected to the screw.

[0011] Preferably, the workbench includes a flat table and a movable block, the movable block is slidably arranged in the linear motion groove, the movable block is provided with an internal screw hole corresponding to the screw rod, the flat table is arranged on the movable block, and the flat table is provided with a plurality of fixing screw holes.

[0012] Preferably, an openable panel is provided on the right side of the support frame, the visual camera includes a collection camera and a camera light source, the camera light source is arranged at the front end of the collection camera, the collection camera is electrically connected to the control system, and is connected to the inner top surface of the support frame through a magnetic seat.

[0013] Preferably, a lateral motion unit perpendicular to the linear motion unit is disposed on the inner top surface of the support frame, the lateral motion unit is electrically connected to the control system, and the magnetic seat is connected to the lateral motion unit.

[0014] Preferably, the method further comprises:

[0015] The card connection mechanism includes a card seat and a card block. The card block is arranged on the acquisition camera, the card seat is arranged on the magnetic seat, and the card block is carded in the card seat.

[0016] Preferably, the base includes a base plate, a fixed baffle, a movable baffle and a knob rod, the fixed baffle is arranged on the left side of the base, and the movable baffle is movably arranged on the right side of the base plate through the knob rod, the lower ends of the inner surfaces of the fixed baffle and the movable baffle are provided with oblique claws, the clamping block is provided with a clamping groove, the left side of the base plate is provided with a threaded hole, the movable baffle is provided with a through hole, and the knob rod passes through the through hole and is screwed to the threaded hole.

[0017] Compared with the prior art, the present invention has at least the following beneficial effects:

[0018] The present invention provides a welding spot visual inspection device, which mainly includes a detection platform, a collection system, a linear motion unit, a control system, a detection system, and a power supply system. The welding spot visual inspection device has the characteristics of high efficiency and high recognition rate, and can replace the operator using a magnifying glass for inspection, thereby avoiding human errors and improving production efficiency.

[0019] The solder joint visual inspection device described in the present invention, other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by technicians in this field through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 It is a schematic diagram of the structure of the welding spot visual inspection device described in the present invention.

[0022] Figure 2 It is a schematic diagram of the structure of the hinge mechanism in the welding spot visual inspection device described in the present invention.

[0023] Figure 3 It is a schematic diagram of the structure of the linear motion unit in the welding spot visual inspection device described in the present invention.

[0024] Figure 4 It is a schematic diagram of the structure of a workbench in the welding spot visual inspection device described in the present invention.

[0025] Figure 5 It is a schematic diagram of the partial structure of the support frame in the welding spot visual inspection device described in the present invention.

[0026] Figure 6 It is a structural schematic diagram of the clamping mechanism in the welding spot visual inspection device described in the present invention. DETAILED DESCRIPTION

[0027] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments so that those skilled in the art can implement the invention with reference to the description.

[0028] It should be understood that the terms such as “having”, “including” and “comprising” used herein do not exclude the existence or addition of one or more other elements or combinations thereof.

[0029] like Figure 1-Figure 6 As shown, the present invention provides a solder joint visual inspection device, comprising:

[0030] Testing platform 1, acquisition system 2, linear motion unit 3, control system 4, testing system, power supply system 5;

[0031] The acquisition system 2 is arranged above the detection platform 1, the linear motion unit 3 is arranged on the detection platform 1 and is located below the acquisition system 2, the control system 4 and the power supply system 5 are arranged below the detection platform 1, the detection system is arranged in the control system 4, the control system 4 is electrically connected to the power supply system 5, and the acquisition system 2 and the linear motion unit 3 are electrically connected to the control system 4 respectively.

[0032] The working principle of the above technical solution: The present invention provides a visual inspection device for solder joints, which mainly includes a detection table 1, a collection system 2, a linear motion unit 3, a control system 4, a detection system, and a power supply system 5. When in use, the operator installs the workpiece to be inspected on the linear motion unit 3, and the operator starts the control system. The power supply system supplies power to the collection system 2 and the linear motion unit 3 through the control system. The operator operates the collection system 2 and starts the linear motion unit 3 through the control system 4 to move the workpiece to the collection system 2. The collection system 2 collects the solder joints on the workpiece, and then the detection system in the control system 4 performs detection, thereby replacing the operator using a magnifying glass for detection, thereby avoiding human errors and improving production efficiency.

[0033] It should be noted that the control system 4 is an industrial control machine, the power supply system 5 is a UPS power supply, and the detection system is a weld defect detection and analysis system. The welding visual detection method and device based on convolutional neural network provided by the existing patent 201610202750.6 have been recorded in detail, so they will not be repeated in the present invention.

[0034] Beneficial effects of the above technical solution: Through the design of the above structure, the present invention provides a weld spot visual inspection device, which mainly includes a detection table 1, a collection system 2, a linear motion unit 3, a control system 4, a detection system, and a power supply system 5. The weld spot visual inspection device has the characteristics of high efficiency and high recognition rate, thereby replacing the operator using a magnifying glass for inspection, thereby avoiding human errors and improving production efficiency.

[0035] In one embodiment, the acquisition system 2 includes a support frame 21, a visual camera 22, a display 23, an operation button panel 24 and an alarm light 25. The support frame 21 is arranged on the detection table 1, the visual camera 22 is arranged on the inner top surface of the support frame 21, the display 23 is arranged on the left side of the front end surface of the support frame 21, the operation button panel 24 is arranged on the right side of the front end surface of the support frame 21, and the alarm light 25 is arranged above the support frame 21. The visual camera 22, the display 23, the operation button panel 24 and the alarm light 25 are electrically connected to the control system 4 respectively.

[0036] The working principle of the above technical solution: The structure of the acquisition system 2 is provided in this embodiment. Specifically, the acquisition system 2 includes a support frame 21, a visual camera 22, a display 23, an operation button panel 24 and an alarm light 25. Due to the different sizes of the workpieces, the support frame 21 is used in the acquisition system 2 to provide support for the visual camera 22, the display 23, the operation button panel 24 and the alarm light 25, and the above components are located above the linear motion unit 3 to avoid being hit by the workpiece; when in use, the operator uses the operation button panel 24 to start the visual camera 22, the linear motion unit 3, and the display 23, and the linear motion unit 3 moves the workpiece to the bottom of the visual camera 22, and the visual camera 22 shoots the workpiece and transmits the shooting information to the weld defect detection and analysis system, and the weld defect detection and analysis system then transmits the detected information to the display 23, so that the operator can intuitively see the detection information on the display 23; wherein, during the workpiece detection period, the alarm light is always on to remind other operators not to operate the device.

[0037] Beneficial effects of the above technical solution: Through the design of the above structure, the structure of the acquisition system 2 is provided in this embodiment. The acquisition system 2 of this structure includes a support frame 21, a visual camera 22, a display 23, an operation button panel 24 and an alarm light 25, which is convenient for operators to use. Specifically, the acquisition system 2 collects welding information of the workpiece, and also facilitates operators to intuitively see the detection information through the display 23, thereby improving detection efficiency.

[0038] In one embodiment, the display 23 is connected to the support frame 21 through an articulated mechanism 6, and the articulated mechanism 6 includes an articulated seat 61, two articulated cylinders 62, a vertical rotation rod 63 and a horizontal articulated plate 64. The two articulated cylinders 62 are vertically spaced apart on the articulated seat 61, and the vertical rotation rod 63 is rotatably arranged in the two articulated cylinders 62. One end of the horizontal articulated plate 64 is connected to the vertical rotation rod 63, and the other end is connected to the display 23. The horizontal articulated plate 64 is located between the two articulated cylinders 62, and a damping sleeve 65 is arranged between the articulated cylinder 62 and the vertical rotation rod 63.

[0039] The working principle of the above technical solution: in this embodiment, the display 23 is connected to the support frame 21 through the hinge mechanism 6, that is, the operator can rotate the display 23 to face himself, so as to conveniently see the detection information on the display 23; specifically, the hinge mechanism 6 includes a hinge seat 61, two hinge cylinders 62, a vertical rotation rod 63 and a horizontal hinge plate 64. The operator manually rotates the display 23, and the display 23 drives the horizontal hinge plate 64 to rotate, and the horizontal hinge plate 64 drives the vertical rotation rod 63 to rotate in the hinge cylinder 62. Since a damping sleeve 65 is installed between the hinge cylinder 62 and the vertical rotation rod 63, the display 23 can be stopped at any position without moving at will, thereby making it convenient for the operator to stop the display 23 at a suitable position.

[0040] Beneficial effects of the above technical solution: Through the design of the above structure, a hinge mechanism 6 is provided in this embodiment. The hinge mechanism 6 of this structure includes a hinge seat 61, two hinge cylinders 62, a vertical rotating rod 63 and a flat hinge plate 64. It is not only simple in structure and easy to use, but also can better facilitate the operator to stop the display 23 at a suitable position.

[0041] In one embodiment, the linear motion unit 3 includes a linear motion slot 31, a motor 32 and a screw 33. The motor 32 is arranged at one end of the linear motion slot 31, and the screw 33 is arranged in the linear motion slot 31. One end of the screw 33 is rotatably connected to the output shaft of the motor 32, the motor 32 is electrically connected to the control system 4, and the other end of the screw 33 is rotatably connected to the other end of the linear motion slot 31. A workbench 34 is arranged on the linear motion unit 3, and the workbench 34 is movably connected to the screw 33.

[0042] The working principle of the above technical solution: In this embodiment, the structure of a linear motion unit 3 is provided. Specifically, the linear motion unit 3 includes a linear motion slot 31, a motor 32 and a screw 33. The operator fixes the workpiece on the workbench 34, and then uses the operation button panel 24 to start the motor 32. The motor 32 rotates and drives the screw 33 to rotate. The screw 33 drives the workbench 34 to move, so that the workbench 34 moves along the length direction of the screw 33 to the bottom of the visual camera 22.

[0043] Beneficial effects of the above technical solution: Through the design of the above structure, the structure of the linear motion unit 3 is provided in this embodiment. The linear motion unit 3 of this structure includes a linear motion slot 31, a motor 32 and a screw 33, which has the characteristics of simple structure and convenient use, and can better realize the movement of the workpiece.

[0044] In one embodiment, the workbench 34 includes a flat table 35 and a movable block 36, the movable block 36 is slidably arranged in the linear motion groove 31, the movable block 36 is provided with an internal screw hole corresponding to the screw rod 33, the flat table 35 is arranged on the movable block 36, and the flat table 35 is provided with a plurality of fixing screw holes 37.

[0045] The working principle of the above technical solution: the structure of a workbench 34 is provided in this embodiment. Specifically, the workbench 34 of this structure includes a flat table 35 and a movable block 36. An internal screw hole is designed on the movable block 36, and the movable block 36 is slidably connected to the inner wall of the linear motion groove 31, so the screw rod 33 rotates and drives the movable block 36 to move. The flat table 35 is installed on the movable block 36 and moves with the movable block 36. Due to the different sizes of workpieces, a plurality of fixing screw holes 37 are designed on the flat table 35. The operator can use a plurality of fixing bolt rods or clamps to fix the workpiece according to the workpiece.

[0046] It should be noted that the fixing bolt rod and the clamp are well known to those skilled in the art and will not be described in detail.

[0047] Beneficial effects of the above technical solution: Through the design of the above structure, a structure of a workbench 34 is provided in this embodiment. The workbench 34 of this structure includes a flat table plate 35 and a movable block 36. The structure is simple and easy to use. A plurality of fixing screw holes 37 are designed on the flat table plate 35, so that the workbench 34 can be suitable for workpieces of different sizes, thereby increasing the practicality of the workbench 34.

[0048] In one embodiment, an openable panel 26 is provided on the right side of the support frame 21, and the visual camera 22 includes a collection camera and a camera light source. The camera light source is arranged at the front end of the collection camera. The collection camera is electrically connected to the control system 4 and is connected to the inner top surface of the support frame 21 through a magnetic seat 7.

[0049] The working principle of the above technical solution: In this embodiment, an openable panel 26 is provided on the right side of the support frame 21, so that the operator can open the openable panel 26 to install the visual camera 22 in the support frame 21. Specifically, the visual camera 22 includes a collection camera and a camera light source, and the collection camera is connected to the magnetic base 7, and then can be quickly installed on the inner top surface of the support frame 21 through the magnetic base 7; the camera light source in the visual camera 22 provides light for the collection camera, and the light source hits the workpiece, thereby facilitating the collection camera to collect welding point information.

[0050] Beneficial effects of the above technical solution: Through the design of the above structure, the present embodiment provides structures such as an openable panel 26, a magnetic base 7, a visual camera 22, etc., which facilitate operators to install and disassemble the visual camera 22 and reduce the difficulty of installing and disassembling the visual camera 22 for operators.

[0051] In one embodiment, a lateral motion unit 27 perpendicular to the linear motion unit 3 is disposed on the inner top surface of the support frame 21 , the lateral motion unit 27 is electrically connected to the control system 4 , and the magnetic seat 7 is connected to the lateral motion unit 27 .

[0052] The working principle of the above technical solution: In this embodiment, a lateral motion unit 27 is provided. Specifically, the lateral motion unit 27 is designed on the inner top surface of the support frame 21 and is perpendicular to the linear motion unit 3 thereunder. The visual camera 22 is installed on the lateral motion unit 27 through the magnetic base 7. The lateral motion unit 27 drives the visual camera 22 to move laterally, so that the welding points in a larger range can be collected.

[0053] It should be noted that, in order to reduce costs and facilitate operators to operate the lateral motion unit 27, the structure of the lateral motion unit 27 in the present invention is the same as that of the linear motion unit 3, which will not be described in detail.

[0054] Beneficial effects of the above technical solution: Through the design of the above structure, a lateral motion unit 27 is provided in this embodiment, and the lateral motion unit 27 can drive the visual camera 22 to move laterally, so that the weld can be collected in a larger range, thereby increasing the detection efficiency of the device.

[0055] In one embodiment, it further includes:

[0056] The clamping mechanism 8 comprises a clamping seat 81 and a clamping block 82 . The clamping block 82 is arranged on the acquisition camera. The clamping seat 81 is arranged on the magnetic seat 7 . The clamping block 82 is clamped in the clamping seat 81 .

[0057] The working principle of the above technical solution: This embodiment provides the structure of a card-connecting mechanism 8. Specifically, the card-connecting mechanism 8 includes a card holder 81 and a card block 82. The card block 82 is arranged on the acquisition camera, and the card holder 81 is arranged on the magnetic base 7. The operator card-connects the card block 82 in the card holder 81, thereby realizing a fixed connection between the acquisition camera and the magnetic base 7.

[0058] Beneficial effects of the above technical solution: Through the design of the above structure, a clamping mechanism 8 is provided in this embodiment. The clamping mechanism 8 of this structure includes a clamping seat 81 and a clamping block 82. It has the characteristics of simple structure and convenient use, and can quickly realize the fixed connection between the acquisition camera and the magnetic seat 7.

[0059] In one embodiment, the base 81 includes a base plate 811, a fixed baffle 812, a movable baffle 813 and a knob rod 814. The fixed baffle 812 is arranged on the left side of the base 81, and the movable baffle 813 is movably arranged on the right side of the base plate 811 through the knob rod 814. The lower ends of the inner surfaces of the fixed baffle 812 and the movable baffle 813 are both provided with oblique claws 815, the card block 82 is provided with a card slot, the left side of the base plate 811 is provided with a threaded hole, the movable baffle 813 is provided with a through hole, and the knob rod 814 passes through the through hole and is screwed to the threaded hole.

[0060] The working principle of the above technical solution: the structure of the card base 81 is provided in this embodiment, specifically, the card base 81 includes a base plate 811, a fixed baffle 812, a movable baffle 813 and a knob rod 814, wherein a threaded hole is provided on the left side of the base plate 811, and a through hole is provided on the movable baffle 813, and the knob rod 814 passes through the through hole and extends to the threaded hole, thereby realizing the screw connection between the movable baffle 813 and the base plate 811, and the fixed baffle 812 and the movable baffle 813 are both provided with oblique claws 815, and the corresponding card block 82 is provided with a slot, so the operator installs the card block 82 on the acquisition camera into the card base 81, so that the slot on the left side of the card block 82 is engaged with the oblique claw 815 on the fixed baffle 812, and then the operator rotates the knob rod 814, so that the oblique claw 815 on the movable baffle 813 is engaged with the slot on the right side of the card block 82, thereby stably fixing the card block 82.

[0061] Beneficial effects of the above technical solution: Through the design of the above structure, the structure of the holder 81 is provided in this embodiment, and the holder 81 of this structure includes a seat plate 811, a fixed baffle 812, a movable baffle 813 and a knob rod 814, which is convenient for operation and can better fix the card block 82, and also convenient for the disassembly of the holder 81 and the card block 82, so that it is convenient for the operator to install the visual camera 22 on the magnetic base 7, or remove it from the magnetic base 7.

[0062] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0063] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0064] Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation methods. They can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A solder joint visual inspection device, characterized in that: include: Testing platform (1), acquisition system (2), linear motion unit (3), control system (4), testing system, power supply system (5); The acquisition system (2) is arranged above the detection platform (1), the linear motion unit (3) is arranged on the detection platform (1) and is located below the acquisition system (2), the control system (4) and the power supply system (5) are arranged below the detection platform (1), the detection system is arranged in the control system (4), the control system (4) is electrically connected to the power supply system (5), and the acquisition system (2) and the linear motion unit (3) are electrically connected to the control system (4) respectively; The acquisition system (2) comprises a support frame (21), a visual camera (22), a display (23), an operation button panel (24) and an alarm light (25); the support frame (21) is arranged on the detection table (1); the visual camera (22) is arranged on the inner top surface of the support frame (21); the display (23) is arranged on the left side of the front end surface of the support frame (21); the operation button panel (24) is arranged on the right side of the front end surface of the support frame (21); the alarm light (25) is arranged above the support frame (21); and the visual camera (22), the display (23), the operation button panel (24) and the alarm light (25) are respectively electrically connected to the control system (4); The display (23) is connected to the support frame (21) via a hinge mechanism (6); the hinge mechanism (6) comprises a hinge seat (61), two hinge cylinders (62), a vertical rotation rod (63) and a horizontal hinge plate (64); the two hinge cylinders (62) are vertically spaced apart on the hinge seat (61); the vertical rotation rod (63) is rotatably disposed in the two hinge cylinders (62); one end of the horizontal hinge plate (64) is connected to the vertical rotation rod (63) and the other end is connected to the display (23); the horizontal hinge plate (64) is located between the two hinge cylinders (62); and a damping sleeve (65) is disposed between the hinge cylinder (62) and the vertical rotation rod (63); The linear motion unit (3) comprises a linear motion slot (31), a motor (32) and a screw (33), wherein the motor (32) is arranged at one end of the linear motion slot (31), the screw (33) is arranged in the linear motion slot (31), one end of the screw (33) is rotatably connected to the output shaft of the motor (32), the motor (32) is electrically connected to the control system (4), the other end of the screw (33) is rotatably connected to the other end of the linear motion slot (31), and a workbench (34) is arranged on the linear motion unit (3), and the workbench (34) is movably connected to the screw (33).

2. The solder joint visual inspection device according to claim 1, characterized in that: The workbench (34) comprises a flat table (35) and a movable block (36), wherein the movable block (36) is slidably arranged in the linear motion groove (31), and an internal screw hole corresponding to the screw rod (33) is arranged on the movable block (36), and the flat table (35) is provided with a plurality of fixing screw holes (37).

3. The solder joint visual inspection device according to claim 1, characterized in that: An openable panel (26) is provided on the right side of the support frame (21). The visual camera (22) comprises a collection camera and a camera light source. The camera light source is provided at the front end of the collection camera. The collection camera is electrically connected to the control system (4) and is connected to the inner top surface of the support frame (21) via a magnetic seat (7).

4. The solder joint visual inspection device according to claim 3, characterized in that: The inner top surface of the support frame (21) is provided with a lateral motion unit (27) perpendicular to the linear motion unit (3); the lateral motion unit (27) is electrically connected to the control system (4); and the magnetic seat (7) is connected to the lateral motion unit (27).

5. The solder joint visual inspection device according to claim 4, characterized in that: Also includes: A clamping mechanism (8), the clamping mechanism (8) comprising a clamping seat (81) and a clamping block (82), the clamping block (82) being arranged on the acquisition camera, the clamping seat (81) being arranged on the magnetic seat (7), and the clamping block (82) being clamped in the clamping seat (81).

6. The solder joint visual inspection device according to claim 5, characterized in that: The holder (81) comprises a seat plate (811), a fixed baffle plate (812), a movable baffle plate (813) and a knob rod (814); the fixed baffle plate (812) is arranged on the left side of the holder (81); the movable baffle plate (813) is movably arranged on the right side of the seat plate (811) via the knob rod (814); the lower ends of the inner surfaces of the fixed baffle plate (812) and the movable baffle plate (813) are both provided with oblique claws (815); the block (82) is provided with a slot; the left side of the seat plate (811) is provided with a threaded hole; the movable baffle plate (813) is provided with a through hole; the knob rod (814) passes through the through hole and is screwed to the threaded hole.

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