Thermal protector welding spot visual inspection device
By introducing a surface impurity removal component and a material unloading component into the visual inspection device for thermal protector solder joints, the problem of surface impurities affecting the accuracy of inspection has been solved, and efficient and accurate solder joint inspection has been achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-03-06
AI Technical Summary
Existing visual inspection devices for thermal protector solder joints are easily affected by impurities on the surface of the thermal protector during inspection, resulting in reduced inspection accuracy.
A visual inspection device for solder joints was designed, comprising a surface cleaning component for thermal protectors and a material unloading component. The cleaning component removes impurities from the surface of the thermal protector, and the material unloading component removes defective products, ensuring the accuracy of the inspection.
It effectively removes impurities from the surface of the thermal protector, improves the accuracy of solder joint detection, avoids misjudgment, and ensures product quality.
Smart Images

Figure CN223977130U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of thermal protector solder joint detection technology, specifically a thermal protector solder joint visual inspection device. Background Technology
[0002] Thermal protectors are a new type of electronic component, generally used in electrical equipment, household appliances, and other products, to prevent overheating or short circuits. Solder joints are crucial internal connection points of the thermal protector, and their quality directly affects the reliability and safety of the equipment. Therefore, during the production process, thermal protector solder joint visual inspection devices are needed to inspect the solder joints.
[0003] Currently, commonly used visual inspection devices for thermal protector solder joints directly inspect the solder joints on the thermal protector that is being transported to its inner side. While this method is efficient, the presence of impurities on the thermal protector can easily cause the visual inspection device to misjudge the quality of the solder joints, thus reducing the accuracy of the inspection.
[0004] Therefore, we proposed a visual inspection device for thermal protector solder joints to solve the above problems. Utility Model Content
[0005] (a) Technical problems to be solved
[0006] To address the shortcomings of existing technologies, this utility model provides a visual inspection device for thermal protector solder joints, which solves the problems mentioned in the background section.
[0007] (II) Technical Solution
[0008] To achieve the above objectives, this utility model specifically adopts the following technical solution:
[0009] A visual inspection device for thermal protector solder joints includes an inspection platform. A conveyor belt is fixedly mounted on the upper surface of the inspection platform, and a support frame is fixedly mounted on the upper surface of the inspection platform. The support frame is located above the conveyor belt, and a first cylinder is fixedly mounted on the upper surface of the support frame. The output end of the first cylinder passes through the support frame, and a solder joint visual detector is fixedly mounted on the output end of the first cylinder. A thermal protector surface cleaning component and a unloading component are respectively arranged on both sides of the solder joint visual detector. The thermal protector surface cleaning component is used to clean impurities attached to the surface of the thermal protector and to restrict the position of the thermal protector after surface impurity cleaning. The unloading component is used to remove the detected unqualified thermal protectors from the conveyor belt.
[0010] Furthermore, the surface cleaning assembly of the thermal protector includes a second cylinder fixedly mounted on the upper end face of the support frame and a connecting frame mounted on one side of the weld point visual detector. The positions of the second cylinder and the connecting frame correspond to each other, and the output end of the second cylinder passes through the support frame and is fixedly connected to the connecting frame.
[0011] Furthermore, pressing wheels are rotatably provided at both ends of the connecting frame, a connecting plate is fixedly provided on the inner side of the connecting frame, the connecting plate is located above the two pressing wheels, and multiple impurity removal jet heads are fixedly provided on the lower end face of the connecting plate.
[0012] Furthermore, an air pump is fixedly installed on the upper end face of the connecting plate, and an air pipe is connected to the air pump. The air pipe is connected to multiple impurity removal jet heads.
[0013] Furthermore, the unloading assembly includes two fixed plates fixedly mounted on the support frame, a threaded rod rotatably mounted between the two fixed plates, and a sliding rod fixedly mounted between the two fixed plates.
[0014] Furthermore, a servo motor is fixedly mounted on one of the fixed plates, and the output end of the servo motor is connected to a threaded rod.
[0015] Furthermore, a movable plate is threadedly fitted onto the threaded rod, the sliding rod passes through the movable plate, and a discharge push plate is fixedly installed on the lower end face of the movable plate, with the lower end face of the discharge push plate attached to the upper end face of the conveyor belt.
[0016] (III) Beneficial Effects
[0017] Compared with the prior art, this utility model provides a visual inspection device for thermal protector solder joints, which has the following beneficial effects:
[0018] This invention, through the inclusion of a surface cleaning component on the thermal protector, can remove impurities adhering to the surface of the thermal protector. This avoids the problem of the visual detector misjudging the solder joints of the thermal protector due to the adhesion of impurities, thus preventing the device from having low accuracy in detecting the solder joints of the thermal protector. Attached Figure Description
[0019] Figure 1 This is a first-person perspective schematic diagram of the overall structure of this utility model;
[0020] Figure 2 This is a second-view schematic diagram of the overall structure of this utility model;
[0021] Figure 3 This is a perspective view of the surface cleaning component and support frame of the thermal protector of this utility model.
[0022] Figure 4This is a perspective view of the connection between the unloading component and the support frame of this utility model.
[0023] In the diagram: 1. Inspection table; 10. Conveyor belt; 2. Support frame; 3. First cylinder; 4. Weld joint visual detector; 5. Heat protector surface cleaning component; 51. Second cylinder; 52. Connecting frame; 53. Pressing roller; 54. Connecting plate; 55. Cleaning jet nozzle; 56. Air pump; 57. Air pipe; 6. Unloading component; 61. Fixed plate; 62. Threaded rod; 63. Slide rod; 64. Servo motor; 65. Moving plate; 66. Unloading push plate. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Example
[0026] like Figure 1-4 As shown, an embodiment of the present invention provides a visual inspection device for thermal protector weld joints, comprising an inspection platform 1, a conveyor belt 10 fixedly mounted on the upper surface of the inspection platform 1, a support frame 2 fixedly mounted on the upper surface of the inspection platform 1, the support frame 2 being located above the conveyor belt 10, a first cylinder 3 fixedly mounted on the upper surface of the support frame 2, the output end of the first cylinder 3 passing through the support frame 2, and a weld joint visual detector 4 fixedly mounted on the output end of the first cylinder 3. A thermal protector surface cleaning component 5 and a unloading component 6 are respectively mounted on both sides of the weld joint visual detector 4. The thermal protector surface cleaning component 5 is used to clean impurities attached to the surface of the thermal protector and to restrict the position of the thermal protector after surface impurity cleaning. The unloading component 6 is used to remove the detected unqualified thermal protectors from the conveyor belt 10.
[0027] like Figure 3As shown, the surface cleaning assembly 5 of the thermal protector includes a second cylinder 51 fixedly mounted on the upper surface of the support frame 2 and a connecting frame 52 mounted on one side of the weld point visual detector 4. The positions of the second cylinder 51 and the connecting frame 52 correspond to each other, and the output end of the second cylinder 51 passes through the support frame 2 and is fixedly connected to the connecting frame 52. Pressing wheels 53 are rotatably mounted at both ends of the connecting frame 52. A connecting plate 54 is fixedly mounted on the inner side of the connecting frame 52, located above the two pressing wheels 53. Multiple cleaning jet nozzles 55 are fixedly mounted on the lower surface of the connecting plate 54. An air pump 56 is fixedly mounted on the upper surface of the connecting plate 54, and an air pipe 57 is connected to the air pump 56, which is connected to the multiple cleaning jet nozzles 55.
[0028] The surface cleaning component 5 of the thermal protector can clean the impurities attached to the surface of the thermal protector. This can prevent the weld joint visual detector 4 from making misjudgments of the weld joints of the thermal protector due to the adhesion of impurities, thus avoiding the problem of low accuracy of the device in detecting the weld joints of the thermal protector.
[0029] like Figure 4 As shown, the unloading assembly 6 includes two fixed plates 61 fixedly mounted on the support frame 2. A threaded rod 62 is rotatably mounted between the two fixed plates 61, and a sliding rod 63 is fixedly mounted between the two fixed plates 61. A servo motor 64 is fixedly mounted on one of the fixed plates 61, and the output end of the servo motor 64 is connected to one of the threaded rods 62. A movable plate 65 is threadedly fitted onto the threaded rod 62, and the sliding rod 63 passes through the movable plate 65. An unloading push plate 66 is fixedly mounted on the lower end face of the movable plate 65, and the lower end face of the unloading push plate 66 is attached to the upper end face of the conveyor belt 10.
[0030] By setting up the unloading component 6, the unqualified thermal protectors can be removed from the conveyor belt 10, thus avoiding the mixing of unqualified thermal protectors with qualified thermal protectors.
[0031] The working principle of this practical application is as follows:
[0032] First, the second cylinder 51 is activated. The second cylinder 51 moves the connecting frame 52 towards the thermal protector. The connecting frame 52 moves the pressing wheel 53 until the distance between the pressing wheel 53 and the conveyor belt 10 matches the thickness of the thermal protector. Then, the thermal protector to be tested is placed on the conveyor belt 10. When the thermal protector on the conveyor belt 10 passes the surface cleaning component 5, the air pump 56 is activated. The air pump 56 pressurizes the air and delivers it through the air pipe 57 to the cleaning jet nozzle 55. The cleaning jet nozzle 55 sprays air to clean the impurities adhering to the thermal protector. The cleaned thermal protector is then conveyed to… When the thermal protector passes through the solder joint visual detector 4, the solder joint visual detector 4 inspects the solder joints on the thermal protector. If there are no problems with the solder joints, the thermal protector will be conveyed to the designated position by the conveyor belt 10. If there are problems with the solder joints, when the thermal protector passes through the unloading assembly 6, the servo motor 64 is started. The servo motor 64 drives the threaded rod 62 to rotate, and the threaded rod 62 drives the unloading push plate 66 to move. The movement of the unloading push plate 66 will remove the unqualified thermal protector from the conveyor belt 10. This can prevent the unqualified thermal protectors from being mixed with qualified thermal protectors.
[0033] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A thermal protector weld visual inspection apparatus comprising an inspection table (1), characterized in that: The upper end face of the detection table (1) is fixedly provided with a conveying belt (10), the upper end face of the detection table (1) is fixedly provided with a support frame (2), the support frame (2) is located above the conveying belt (10), the upper end face of the support frame (2) is fixedly provided with a first air cylinder (3), the output end of the first air cylinder (3) penetrates through the support frame (2), and the output end of the first air cylinder (3) is fixedly provided with a welding spot visual detector (4), both sides of the welding spot visual detector (4) are respectively provided with a thermal protector surface impurity removal assembly (5) and a discharging assembly (6), the thermal protector surface impurity removal assembly (5) is used for cleaning the impurities attached to the surface of the thermal protector, and the thermal protector with the surface impurities cleaned is position-limited, and the discharging assembly (6) is used for rejecting the unqualified thermal protector from the conveying belt (10).
2. The thermal protector weld spot vision inspection apparatus according to claim 1, characterized by: The thermal protector surface impurity removal assembly (5) comprises a second air cylinder (51) fixedly arranged on the upper end face of the support frame (2) and a connecting frame (52) arranged on one side of the welding spot visual detector (4), the positions of the second air cylinder (51) and the connecting frame (52) correspond to each other, and the output end of the second air cylinder (51) penetrates through the support frame (2) and is fixedly connected with the connecting frame (52).
3. The hot protector joint visual inspection apparatus of claim 2, wherein: Both ends of the connecting frame (52) are rotatably provided with pressing wheels (53), the inner side of the connecting frame (52) is fixedly provided with a connecting plate (54), the connecting plate (54) is located above the two pressing wheels (53), and the lower end face of the connecting plate (54) is fixedly provided with a plurality of impurity removal air jet heads (55).
4. The hot protector joint vision detection device of claim 3, wherein: The upper end face of the connecting plate (54) is fixedly provided with an air pump (56), the air pump (56) is connected with an air pipe (57), and the air pipe (57) is connected with the plurality of impurity removal air jet heads (55).
5. The thermal protector weld spot vision inspection apparatus of claim 1, wherein: The discharging assembly (6) comprises two fixed plates (61) fixedly arranged on the support frame (2), a threaded rod (62) rotatably arranged between the two fixed plates (61), and a sliding rod (63) fixedly arranged between the two fixed plates (61).
6. The hot protector joint vision detection device of claim 5, wherein: One of the fixed plates (61) is fixedly provided with a servo motor (64), and the output end of the servo motor (64) is connected with one threaded rod (62).
7. The hot protector joint vision detection device of claim 5, wherein: The threaded rod (62) is sleeved with a moving plate (65) through threads, the sliding rod (63) penetrates through the moving plate (65), and the lower end face of the moving plate (65) is fixedly provided with a discharging push plate (66), and the lower end face of the discharging push plate (66) is attached to the upper end face of the conveying belt (10).