Detection device suitable for friction stir welding head
By designing a detection device including a display screen, a lifting part, a rotating part and a distance measuring part, the technical problem of low efficiency in wear detection of friction stir welding joints in the existing technology is solved, efficient and accurate wear detection is achieved, and the accuracy of detection is improved.
Patent Information
- Application Number
- CN202422401580.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-09-30
AI Technical Summary
The existing technology lacks an efficient and accurate method to detect the wear of friction stir welding joints, resulting in low detection efficiency and insufficient accuracy.
A detection device consisting of a display screen, a lifting part, a rotating part and a distance measuring part was designed. Through the rotation and lifting mechanism combined with a distance sensor, all-round diameter measurement of the welding joint can be achieved, and the maximum, minimum and average values of the diameter as well as the maximum and minimum values can be provided to help judge the wear condition.
It realizes the wear condition of the butt welding joint, provides efficient and accurate wear detection, and improves the accuracy and efficiency of detection.
Smart Images
Figure CN223377119U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a detection device, in particular to a device which can efficiently detect the wear degree of a friction stir welding joint, and belongs to the technical field of friction stir welding joint wear detection equipment. Background Art
[0002] Friction stir welding refers to the use of heat generated by friction between a high-speed rotating welding tool and a workpiece to partially melt the material to be welded. When the welding tool moves forward along the welding interface, the plasticized material flows from the front to the back of the welding tool under the action of the rotating friction force of the welding tool, and forms a dense solid phase weld under the extrusion of the welding tool. In this process, the welding head plays a vital role. The welding head rotates at high speed and rubs the workpiece to achieve welding. The high-speed rotating welding head has large wear and tear. When the wear is too large, it needs to be replaced in time. This requires the wear condition of the welding head to be detected and then determine whether the welding head needs to be replaced. At present, there is no good way to detect the wear condition of the welding head. It is generally detected by visual inspection or measuring with a ruler, which is inefficient and low in accuracy. Therefore, a detection device is needed to assist staff in efficiently detecting the wear condition of the welding head. Utility Model Content
[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a detection device suitable for friction stir welding joints, which can accurately and efficiently detect the welding joints.
[0004] The problem described in the present invention is solved by the following technical solutions:
[0005] A detection device suitable for friction stir welding joints includes a display screen, a lifting part, a rotating part and a distance measuring part; the display screen is arranged on the lifting part, and the signal input end of the display screen is connected to the signal output end of a CPU; the rotating part is arranged on the lifting part; the distance measuring part is arranged on the rotating part; the rotating part includes a bottom circular ring and a rotating mechanism; the rotating mechanism is arranged on the bottom circular ring.
[0006] The above-mentioned detection device suitable for friction stir welding joints, the rotating mechanism includes a rotating ring, a motor and a driving gear; the upper end surface of the bottom ring is provided with a circle groove, and the rotating ring is slidably arranged in the circular groove on the top surface of the bottom ring; a circle of teeth is provided on the outer circumferential wall of the rotating ring extending out of the bottom ring; the motor is arranged on the outer circumferential wall of the bottom ring, and the end of its output shaft is provided with a driving gear, and the driving gear is meshed with the teeth on the circumferential surface of the rotating ring for transmission connection.
[0007] The above-mentioned detection device suitable for friction stir welding joints, the distance measuring part includes a guide rod, a clamping plate, a support plate, a distance sensor and a spring; the number of the guide rods is two, and the bottom end faces of both are set on the top end face of the rotating ring through a bracket; the two guide rods are symmetrically located on both sides of the rotating ring; the number of the clamping plates is two, and both ends are provided with guide holes, and the guide holes of the two clamping plates are respectively passed through by the guide rods on both sides; the planes of the two clamping plates are parallel to each other; both ends of the guide rods are provided with support plates, and a spring is connected between the support plate and the clamping plate closest to it; the distance sensor is arranged at the end face of the clamping plate close to the other clamping plate; the signal output end of the distance sensor is connected to the signal input end of the CPU.
[0008] The above-mentioned detection device is suitable for friction stir welding joints, and an indicator line is set at the center of the top surface of the clamping plate, and the center line of the indicator line is perpendicular to the length direction line of the clamping plate; the center line of the indicator line has an intersection with the axis line of the rotating ring.
[0009] The above-mentioned detection device suitable for friction stir welding joints, the lifting part includes a lifting plate, a guide column, an electric cylinder and a base; the top surface of the lifting plate is connected to the edge of the bottom surface of the bottom ring; the bottom surface of the lifting plate is provided with a guide column, and the top surface of the base is provided with a guide hole, and the guide column is inserted into the guide hole of the base; the center of the base is provided with a hole, and the electric cylinder is provided in the center hole of the base, and the end of the electric cylinder piston rod is connected to the center of the bottom surface of the lifting plate; the display screen is provided on the side wall of the base.
[0010] The utility model effectively performs a diameter detection operation on the friction stir welding joint through the distance measuring part, and the distance measuring part is enabled to rotate around the circumferential direction of the friction stir welding joint through the rotating part, and during the rotation, the diameter of the friction stir welding joint is measured, and the diameters at different points of the friction stir welding joint are measured, thereby improving the accuracy of the diameter measurement; the lifting part enables the rotating side distance part to move along the axial center line direction of the friction stir welding joint, and the diameters at different points in the axial direction of the friction stir welding joint are measured, thereby comprehensively and fully detecting the outer diameter of the friction stir welding joint. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.
[0012] The list of numbers in the figure is: 1. Display screen, 2. Bottom ring, 3. Rotating ring, 4. Motor, 5. Guide rod, 6. Clamp, 7. Support plate, 8. Distance sensor, 9. Spring, 10. Lifting plate, 11. Guide column, 12. Electric cylinder, 13. Base. DETAILED DESCRIPTION
[0013] See Figure 1The utility model includes a display screen 1, a lifting part, a rotating part and a distance measuring part; the display screen 1 is arranged on the lifting part, and the signal input end of the display screen 1 is connected to the signal output end of the CPU; the diameter of the welding head measured by the distance measuring part is displayed on the display screen 1; the rotating part is arranged on the lifting part; the rotating part can drive the distance measuring part to select, and then detect the diameter of the welding head at the same circle position, and then know the average value, minimum value and maximum value of the diameter of this circle part, which is convenient for the staff to judge the wear condition of the welding head; the distance measuring part is arranged on the rotating part; the rotating part includes a bottom ring 2 and a rotating mechanism; the rotating mechanism is arranged on the bottom ring 2.
[0014] The rotating mechanism includes a rotating ring 3, a motor 4 and a driving gear; the upper end surface of the bottom circular ring 2 is provided with a circle groove, and the rotating ring 3 is slidably arranged in the circular groove on the top surface of the bottom circular ring 2; the rotating ring 3 rotates reliably in place under the guidance of the bottom circular ring 2; a circle of teeth is provided on the outer circumferential wall of the portion of the rotating ring 3 extending out of the bottom circular ring 2; the motor 4 is arranged on the outer circumferential wall of the bottom circular ring 2, and a driving gear is provided at the end of its output shaft, and the driving gear is meshed with the teeth on the circumferential surface of the rotating ring 3 for transmission connection; the motor 4 can drive the driving gear to rotate, and then drive the rotating ring 3 to rotate, and the rotating rotating ring 3 drives the ranging part to rotate.
[0015] The distance measuring part includes a guide rod 5, a clamping plate 6, a support plate 7, a distance sensor 8 and a spring 9; there are two guide rods 5, and their bottom end surfaces are both set on the top surface of the rotating ring 3 through a bracket; the two guide rods 5 are symmetrically located on both sides of the rotating ring 3; there are two clamping plates 6, and both ends of the clamping plates are provided with guide holes, and the guide holes of the two clamping plates 6 are respectively passed through by the guide rods 5 on both sides; under the guidance of the two guide rods 5, the clamping plates 6 can reliably approach or move away from each other; the planes of the two clamping plates 6 are parallel to each other; both ends of the guide rod 5 are provided with support plates 7 , and a spring 9 is connected between the support plate 7 and the nearest clamping plate 6; the spring provides a force for the two clamping plates 6 to move closer to each other, ensuring that the two clamping plates 6 can reliably clamp the friction stir welding head in the middle. After the friction stir welding head is clamped by the two clamping plates 6, the distance between the two clamping plates 6 is the diameter of the friction stir welding head, and the diameter of the friction stir welding head can be known in real time through the distance sensor 8; the distance sensor 8 is arranged at the end of the end face of the clamping plate 6 close to the other clamping plate 6; the signal output end of the distance sensor 8 is connected to the signal input end of the CPU.
[0016] An indicator line is provided at the center of the top surface of the splint 6, and the center line of the indicator line is perpendicular to the length direction line of the splint 6; the function of the indicator line is to ensure that the point where the splint 6 contacts the welding head is the center point of the splint 6. When the splint 6 rotates driven by the rotating ring 3, the rotating splint 6 rotates while clamping the welding head. At this time, the point where the splint 6 contacts the welding head remains unchanged, further improving the accuracy of the detection data; the center line of the indicator line has an intersection with the axis of the rotating ring 3.
[0017] The lifting part includes a lifting plate 10, a guide column 11, an electric cylinder 12 and a base 13; the top surface of the lifting plate 10 is connected to the edge of the bottom surface of the bottom ring 2; the bottom surface of the lifting plate 10 is provided with a guide column 11, and the top surface of the base 13 is provided with a guide hole, and the guide column 11 is inserted into the guide hole of the base 13; the guide column 11 provides a guide for the lifting and lowering of the lifting plate 10, ensuring that the lifting plate 10 can be lifted and lowered reliably; a hole is provided in the center of the base 13, and the electric cylinder 12 is provided in the center hole of the base 13, and the end of the piston rod of the electric cylinder 12 is connected to the center of the bottom surface of the lifting plate 10; the electric cylinder 12 is the drive for the lifting and lowering of the lifting plate 10; the display screen 1 is provided on the side wall of the base 13.
[0018] The model of the CPU module in this utility model is 87C196KC.
[0019] Principle of use: Place the device directly below the welding head; pull apart the two clamps 6 to allow the welding head to pass through the gap between the two clamps 6, then release the clamps 6. Under the action of the spring, the clamps 6 clamp the welding head, and then the electric steel 12 moves until the two clamps 6 move to the top of the welding head, and then adjust the horizontal position of the device until the indicator lines of the two clamps 6 are aligned with the two end points with the largest outer diameter of the welding head, and then start the motor to drive the rotating ring 3 to rotate. At this time, the clamps rotate while clamping the welding head. At this time, the display screen displays the maximum outer diameter, minimum outer diameter and average outer diameter data of the welding head. After the data stabilizes, the electric cylinder drives the lifting plate 10 to drop a short distance and then stop, and observe the outer diameter of the welding head at this position. Repeat this process until the clamp 6 drops to the bottom of the welding head. According to the maximum, minimum and average outer diameters along the welding head, the staff can judge the wear of the welding head.
Claims
1. A detection device suitable for friction stir welding joints, characterized in that: The invention comprises a display screen (1), a lifting part, a rotating part and a distance measuring part; the display screen (1) is arranged on the lifting part, and a signal input end of the display screen (1) is connected to a signal output end of a CPU; the rotating part is arranged on the lifting part; the distance measuring part is arranged on the rotating part; the rotating part comprises a bottom circular ring (2) and a rotating mechanism; the rotating mechanism is arranged on the bottom circular ring (2).
2. The detection device for friction stir welding joints according to claim 1, characterized in that: The rotating mechanism comprises a rotating ring (3), a motor (4) and a driving gear; the upper end surface of the bottom circular ring (2) is provided with a circular groove, and the rotating ring (3) is slidably arranged in the circular groove on the top end surface of the bottom circular ring (2); a circle of teeth is provided on the circumferential outer wall of the portion of the rotating ring (3) extending out of the bottom circular ring (2); the motor (4) is arranged on the circumferential outer wall of the bottom circular ring (2), and the end of its output shaft is provided with a driving gear, and the driving gear is meshed with the teeth on the circumferential surface of the rotating ring (3) for transmission connection.
3. The detection device for friction stir welding joints according to claim 2, characterized in that: The distance measuring part comprises a guide rod (5), a clamping plate (6), a support plate (7), a distance sensor (8) and a spring (9); the number of the guide rods (5) is two, and the bottom end surfaces of the guide rods (5) are arranged on the top end surface of the rotating ring (3) through a bracket; the two guide rods (5) are symmetrically located on both sides of the rotating ring (3); the number of the clamping plates (6) is two, and both ends of the guide rods (6) are provided with guide holes, and the guide holes of the two clamping plates (6) are respectively passed through by the guide rods (5) on both sides; the planes of the two clamping plates (6) are parallel to each other; both ends of the guide rods (5) are provided with support plates (7), and a spring (9) is connected between the support plates (7) and the clamping plate (6) closest to the guide rod (6); the distance sensor (8) is arranged at the end of the clamping plate (6) close to the other clamping plate (6); the signal output end of the distance sensor (8) is connected to the signal input end of the CPU.
4. The detection device for friction stir welding joints according to claim 3, characterized in that: An indicator line is provided at the center of the top surface of the splint (6), and the center line of the indicator line is perpendicular to the length direction line of the splint (6); the center line of the indicator line and the axis center line of the rotating ring (3) have an intersection.
5. The detection device for friction stir welding joints according to claim 4, characterized in that: The lifting part includes a lifting plate (10), a guide column (11), an electric cylinder (12) and a base (13); the top end surface of the lifting plate (10) is connected to the edge of the bottom end surface of the bottom ring (2); the bottom end surface of the lifting plate (10) is provided with a guide column (11), and the top end surface of the base (13) is provided with a guide hole, and the guide column (11) is inserted into the guide hole of the base (13); the center of the base (13) is provided with a hole, and the electric cylinder (12) is provided in the center hole of the base (13), and the end of the piston rod of the electric cylinder (12) is connected to the center of the bottom end surface of the lifting plate (10); the display screen (1) is provided on the side wall of the base (13).