Device for detecting welding precision
By designing a device for welding accuracy detection, using infrared sensors and servo motor systems, the problem of sheet metal fixed position offset affecting welding accuracy is solved, and a high-precision welding effect is achieved.
Patent Information
- Application Number
- CN202323648235.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2033-12-29
AI Technical Summary
During the automatic welding of sheet metal mechanical parts, the offset or inclination of the fixed position of sheet metal will affect the welding accuracy.
A device for welding accuracy detection is designed, including a platform, a clamping assembly, a regulating mechanism, an infrared sensor and a controller. The position of the sheet metal is detected by infrared sensors, and the position of the sheet metal is adjusted by controller and servo motor to ensure the accuracy of its fixed position.
It effectively improves welding accuracy, ensures the position accuracy of the weld, and reduces errors during welding.
Smart Images
Figure CN222471190U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sheet metal welding, in particular to a device for welding accuracy detection. Background Art
[0002] Sheet metal is a comprehensive cold processing technology for thin metal plates, including shearing, punching / cutting / compounding, folding, welding, riveting, splicing, forming (such as car body), etc. Its most notable feature is that the thickness of the same part is consistent; the products processed by sheet metal technology are called sheet metal parts; the sheet metal parts referred to in different industries are generally different, and are mostly used for assembly; current technology generally uses computer programming and mechanical automatic welding, so the fixed position of sheet metal parts before welding is particularly important. When the sheet metal parts are fixed and the position is offset or tilted, the weld will deviate from the original position, thereby affecting the accuracy of mechanical welding. Utility Model Content
[0003] In view of the deficiencies of the prior art, the utility model provides a device for welding accuracy detection, which solves the problem that the welding effect is affected by the offset of the fixed position of the sheet metal during the current automatic welding of the sheet metal machine.
[0004] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:
[0005] The device for welding accuracy detection includes a platform, a clamping assembly is arranged on the platform, and an adjustment mechanism for driving the position adjustment of the clamping assembly is arranged on the platform, mounting plates are arranged on the platform and on both sides of the clamping assembly, and reflective plates and array-distributed infrared sensors are respectively arranged on the two mounting plates, a signal processing circuit board electrically connected to the infrared sensor and a controller electrically connected to the signal processing circuit board are arranged on the platform, and the controller includes a signal shaping circuit, a voltage conversion circuit and a first comparator.
[0006] Furthermore, the adjustment mechanism includes a movable plate slidably connected to the platform, and a lateral angle adjustment component arranged on the movable plate, the movable plate is provided with two staggered and through-type thread grooves, the two thread grooves are threadedly connected with screw rods, the two screw rods are vertically staggered with each other, both ends of the screw rods are rotatably connected to sliders through bearing seats, the platform is provided with wire grooves slidably connected to the sliders at corresponding positions relative to each slider, and the slider is provided with a first servo motor that drives the screw rod to rotate.
[0007] Furthermore, the lateral angle adjustment component includes a second outer gear ring rotatably connected to the movable plate through a bearing seat, the second outer gear ring is provided with a longitudinal angle adjustment component, and the movable plate is provided with a third servo motor that drives the second outer gear ring to rotate.
[0008] Furthermore, the longitudinal angle adjustment component includes two mounting frames fixedly connected to the second outer gear ring, and the two mounting frames are rotatably connected to a connecting plate through a bearing seat, and the two connecting plates are provided with sliding grooves on the opposite sides, and the first outer gear ring is slidably connected between the two sliding grooves, and a fourth servo motor for driving the first outer gear ring to rotate is arranged on the connecting plate, and a second servo motor for driving the connecting plate to rotate is arranged on the mounting frame.
[0009] Furthermore, the clamping assembly includes two rotating rods, two threaded rods and two clamping plates. The rotating rods are rotatably connected to the inner wall of the first outer gear ring through a bearing seat, and the threaded grooves opened at the movable ends of the rotating rods are threadedly connected to the threaded rods. The clamping plates are fixedly connected to the movable ends of the threaded rods, and a telescopic rod is fixedly connected between the clamping plates and the inner wall of the first outer gear ring.
[0010] Furthermore, the first servo motor, the second servo motor, the third servo motor and the fourth servo motor are all electrically connected to the controller.
[0011] Compared with the prior art, the utility model provides a device for welding accuracy detection, which has the following beneficial effects:
[0012] 1. The utility model sets an infrared sensor and a controller on the device for welding accuracy detection, uses the infrared sensor to emit infrared rays to the welding sheet metal, and timely understands whether the fixed position of the sheet metal is tilted according to the reflection of the infrared rays. In this way, the controller is used to control the adjustment mechanism to adjust the position of the sheet metal. The device is easy to use and has high precision, and can effectively improve the practicality and detection accuracy of the welding accuracy detection circuit and device.
[0013] 2. The utility model provides a first outer gear ring and a second outer gear ring, as well as two screw rods on the device for welding accuracy detection, so that the position of the fixed sheet metal can be adjusted. In this way, the orientation of the sheet metal can be adjusted according to the infrared reflection situation, so that the weld will not be offset, and the welding accuracy can be effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional schematic diagram of the utility model as a whole;
[0015] Figure 2 It is a three-dimensional schematic diagram of the cooperation between the movable plate and the second outer gear ring of the utility model;
[0016] Figure 3 It is a three-dimensional schematic diagram of the cooperation between the second outer gear ring and the first outer gear ring of the utility model;
[0017] Figure 4 It is a three-dimensional schematic diagram of the cooperation between the first outer gear ring and the clamping plate of the utility model;
[0018] Figure 5 It is a schematic flow chart of the overall circuit of the utility model.
[0019] In the figure: 1. platform; 2. reflector; 3. infrared sensor; 4. first servo motor; 5. first outer gear ring; 6. second outer gear ring; 7. movable plate; 8. mounting frame; 9. controller; 10. screw rod; 11. slider; 12. connecting plate; 13. second servo motor; 14. third servo motor; 15. telescopic rod; 16. rotating rod; 17. threaded rod; 18. clamping plate; 19. fourth servo motor. DETAILED DESCRIPTION
[0020] 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. Example
[0021] like Figures 1 to 5 As shown, a device for welding accuracy detection proposed in an embodiment of the utility model includes a platform 1, a clamping assembly is arranged on the platform 1, and an adjustment mechanism for driving the position adjustment of the clamping assembly is arranged on the platform 1, mounting plates are arranged on both sides of the clamping assembly, and reflective plates 2 and array-distributed infrared sensors 3 are arranged on the two mounting plates respectively, a signal processing circuit board electrically connected to the infrared sensor 3, and a controller 9 electrically connected to the signal processing circuit board are arranged on the platform 1, and the controller 9 includes a signal shaping circuit, a voltage conversion circuit and a first comparator;
[0022] The infrared sensor 3 emits infrared rays to the reflective plate 2. The light waves blocked by the sheet metal are reflected weakly, while the light waves not blocked by the sheet metal and in contact with the reflective plate 2 are reflected strongly. The infrared sensor 3 receives the infrared rays emitted back, and the signal processing circuit board processes the intensity of the light waves, and then sends them to the controller 9 for receiving and data analysis. The specific position of the sheet metal can be understood based on the intensity of the light waves, so as to analyze whether the current position of the sheet metal is misaligned with the designed position, and the inclination angle of the sheet metal toward the reflective plate 2 can be measured based on the distance of the light wave reflection. After the controller 9 receives and analyzes the specific data, it adjusts the orientation of the sheet metal by controlling the operation of the corresponding servo motor.
[0023] like Figure 1 and Figure 2As shown, in some embodiments, the adjustment mechanism includes a moving plate 7 slidably connected to the platform 1, and a lateral angle adjustment component arranged on the moving plate 7, the moving plate 7 is provided with two staggered and through-type thread grooves, the two thread grooves are threadedly connected with screw rods 10, the two screw rods 10 are vertically staggered, both ends of the screw rods 10 are rotatably connected to sliders 11 through bearing seats, the platform 1 is provided with a wire groove slidably connected to the slider 11 at a corresponding position relative to each slider 11, and the slider 11 is provided with a first servo motor 4 that drives the screw rod 10 to rotate;
[0024] The two first servo motors 4 are used to drive the respective screw rods 10 to rotate, so that the horizontal left-right or front-back position of the movable plate 7 can be adjusted, thereby facilitating the adjustment of the offset position of the sheet metal part.
[0025] like Figure 2 and Figure 3 As shown, in some embodiments, the transverse angle adjustment assembly includes a second outer gear ring 6 rotatably connected to the moving plate 7 through a bearing seat, the second outer gear ring 6 is provided with a longitudinal angle adjustment assembly, and the moving plate 7 is provided with a third servo motor 14 that drives the second outer gear ring 6 to rotate;
[0026] The second outer gear ring 6 is driven to rotate by the third servo motor 14, so that the horizontal lateral rotation of the sheet metal part can be adjusted, thereby adjusting the corresponding tilt angle of the sheet metal part.
[0027] like Figure 3 and Figure 4 As shown, in some embodiments, the longitudinal angle adjustment assembly includes two mounting frames 8 fixedly connected to the second outer gear ring 6, and the two mounting frames 8 are rotatably connected to a connecting plate 12 through a bearing seat, and the two connecting plates 12 are provided with a slide groove on the opposite side, and the first outer gear ring 5 is slidably connected between the two slide grooves, and the connecting plate 12 is provided with a fourth servo motor 19 for driving the first outer gear ring 5 to rotate, and the mounting frame 8 is provided with a second servo motor 13 for driving the connecting plate 12 to rotate;
[0028] The connecting plate 12 is driven to rotate by the second servo motor 13, so that the connecting plate 12 drives the first outer gear ring 5 to rotate up and down in a vertical section, so that the corresponding inclination angle of the sheet metal part can be adjusted;
[0029] The first outer gear ring 5 is driven to rotate by the fourth servo motor 19, so that the first outer gear ring 5 drives the sheet metal part to rotate left and right in a vertical section, so that the corresponding inclination angle of the sheet metal part can be adjusted.
[0030] like Figure 4As shown, in some embodiments, the clamping assembly includes two rotating rods 16, two threaded rods 17 and two clamping plates 18, the rotating rods 16 are rotatably connected to the inner wall of the first outer gear ring 5 through a bearing seat, and the thread grooves provided at the movable ends of the rotating rods 16 are threadedly connected to the threaded rods 17, the clamping plates 18 are fixedly connected to the movable ends of the threaded rods 17, and the telescopic rods 15 are fixedly connected between the clamping plates 18 and the inner wall of the first outer gear ring 5;
[0031] Put the sheet metal part in the first outer gear ring 5, then rotate the two rotating rods 16, and use the rotating rods 16 to drive the threaded rods 17 to move, so that the two clamping plates 18 approach each other and clamp the sheet metal part;
[0032] The telescopic rod 15 has a telescopic effect, and the telescopic rod 15 can be used to prevent the clamping plate 18 from rotating.
[0033] like Figure 5 As shown, in some embodiments, the first servo motor 4, the second servo motor 13, the third servo motor 14 and the fourth servo motor 19 are all electrically connected to the controller 9;
[0034] The first servo motor 4 , the second servo motor 13 , the third servo motor 14 and the fourth servo motor 19 are all electrically connected to the controller 9 , and the controller 9 can be used to control the start and stop of each servo motor.
[0035] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A device for welding accuracy detection, comprising a platform (1), characterized in that: The platform (1) is provided with a clamping assembly, and the platform (1) is provided with an adjustment mechanism for driving the position adjustment of the clamping assembly. Mounting plates are provided on the platform (1) and on both sides of the clamping assembly. Reflection plates (2) and array-distributed infrared sensors (3) are provided on the two mounting plates, respectively. A signal processing circuit board electrically connected to the infrared sensor (3) and a controller (9) electrically connected to the signal processing circuit board are provided on the platform (1), and the controller (9) comprises a signal shaping circuit, a voltage conversion circuit and a first comparator.
2. The device for welding accuracy detection according to claim 1, characterized in that: The adjustment mechanism comprises a movable plate (7) slidably connected to the platform (1), and a lateral angle adjustment component arranged on the movable plate (7); the movable plate (7) is provided with two staggered and through-type thread grooves, the two thread grooves are threadedly connected with screw rods (10), the two screw rods (10) are arranged perpendicularly and staggered to each other, both ends of the screw rods (10) are rotatably connected to sliders (11) through bearing seats, the platform (1) is provided with a wire groove slidably connected to the slider (11) at a corresponding position relative to each slider (11), and the slider (11) is provided with a first servo motor (4) for driving the screw rod (10) to rotate.
3. The device for welding accuracy detection according to claim 2, characterized in that: The transverse angle adjustment component comprises a second outer gear ring (6) rotatably connected to a movable plate (7) via a bearing seat, a longitudinal angle adjustment component is arranged on the second outer gear ring (6), and a third servo motor (14) is arranged on the movable plate (7) for driving the second outer gear ring (6) to rotate.
4. The device for welding accuracy detection according to claim 3, characterized in that: The longitudinal angle adjustment assembly comprises two mounting frames (8) fixedly connected to the second outer gear ring (6), the two mounting frames (8) being rotatably connected to a connecting plate (12) via a bearing seat, the two connecting plates (12) being provided with a slide groove on one side facing each other, the first outer gear ring (5) being slidably connected between the two slide grooves, the connecting plate (12) being provided with a fourth servo motor (19) for driving the first outer gear ring (5) to rotate, and the mounting frames (8) being provided with a second servo motor (13) for driving the connecting plate (12) to rotate.
5. The device for welding accuracy detection according to claim 4, characterized in that: The clamping assembly comprises two rotating rods (16), two threaded rods (17) and two clamping plates (18); the rotating rods (16) are rotatably connected to the inner wall of the first outer gear ring (5) via a bearing seat, and a threaded groove provided at a movable end of the rotating rod (16) is threadedly connected to the threaded rod (17); the clamping plates (18) are fixedly connected to the movable ends of the threaded rods (17); and a telescopic rod (15) is fixedly connected between the clamping plates (18) and the inner wall of the first outer gear ring (5).
6. The device for welding accuracy detection according to claim 4, characterized in that: The first servo motor (4), the second servo motor (13), the third servo motor (14) and the fourth servo motor (19) are all electrically connected to the controller (9).