CN216560413U

CN216560413U - Weld joint flaw detection device

Info

Publication number: CN216560413U
Application number: CN202122859231.6U
Authority: CN
Inventors: 王春辉; 李伟; 于忠辉; 张晓梅
Original assignee: Jilin Dahua Machine Manufacturing Co ltd
Current assignee: Jilin Dahua Machine Manufacturing Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-05-17
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a weld seam flaw detection device, which belongs to the technical field of automobile engine transmission assistance and comprises a rack, a detection assembly and a moving assembly, wherein the detection assembly and the moving assembly are arranged at the top of the rack, a flywheel is fixed on the moving assembly and drives the flywheel to move to the position below the detection assembly, the movable end of the detection assembly moves to the surface of the flywheel to rotate so as to detect a weld seam of the flywheel, the detection assembly comprises a support frame, a lifting cylinder, an ultrasonic probe and a display screen, the lifting cylinder is arranged at the top of the support frame, the movable end of the lifting cylinder is fixedly connected with a telescopic cylinder, the end of the telescopic cylinder is fixedly connected with the ultrasonic probe, the ultrasonic probe is connected with a communication line, and the end of the communication line is connected to the display screen arranged at the top of the support frame. The utility model does not need manual detection, has low manual labor intensity, has simpler mode of fixing the flywheel and accelerates the flaw detection efficiency.

Description

Weld joint flaw detection device

Technical Field

The utility model belongs to the technical field of automobile engine transmission assistance, and particularly relates to a weld joint flaw detection device.

Background

The existing automatic gearbox on the automobile mostly adopts a flexible flywheel to transmit torque, wherein the flexible flywheel is used for transmitting engine torque, a stamped flexible steel plate and a starting gear ring are welded, one side of the flywheel is connected with an engine, and the other side of the flywheel is connected with a hydraulic torque converter. In order to ensure effective work, the requirements on the welding precision and the welding quality of the flexible flywheel are high.

In order to test the processing quality of the welding seam, the welding seam needs to be subjected to flaw detection so as to meet relevant product standards. The path of the weld is mostly circular or straight, but there are also welds which occur in the form of curves. These welds all require weld inspection. Ultrasonic flaw detection probes are currently used for detecting flaws in welds. However, most of the commonly used ultrasonic flaw detection is manually operated, and a probe is moved on the surface of a weld joint, and a defect is judged in real time by observing a graph wave of an oscilloscope by eyes. The process is completely based on personal technology, and the standard of good and fast welding seams is difficult to unify. And in the manual flaw detection process, the labor intensity of workers is high, the flaw detection period is long, and the production progress and the production efficiency are seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a weld joint flaw detection device, which solves the problems that the labor intensity of workers is high, the flaw detection period is long, and the production progress and the production efficiency are seriously influenced in the conventional ultrasonic flaw detection process.

The utility model provides a welding seam detection device that detects a flaw, includes the frame, establishes at the determine module and the removal subassembly at frame top, it moves to be fixed with the flywheel and drives the flywheel on the removal subassembly determine module's below, determine module's expansion end moves the welding seam of flywheel surface rotation in order to detect the flywheel, determine module includes support frame, lift cylinder, ultrasonic transducer and display screen, the top of support frame is equipped with the lift cylinder just the expansion end fixedly connected with telescopic cylinder of lift cylinder, telescopic cylinder's tip fixedly connected with ultrasonic transducer, ultrasonic transducer is connected with the end connection who communicates line and communication line and establishes the display screen at support frame top.

Preferably, the movable assembly includes movable guide and testing platform, movable guide fixes the top of frame just movable end fixedly connected with of movable guide testing platform, testing platform's top is rotated and is connected with the carousel just testing platform's bottom is equipped with the drive carousel pivoted rotates the motor, be equipped with fixed flywheel mounting on the carousel.

Preferably, the mounting includes fixing base and removal seat, the edge of carousel is along a plurality of fixing bases of its circumferencial direction evenly spaced fixedly connected with, open on the surface of fixing base has the spacing groove just with the help of spring sliding connection in the spacing groove have remove the seat, remove the surface of seat centre gripping at the flywheel.

Preferably, one side of the moving seat close to the flywheel is of an arc structure.

The utility model has the following advantages:

the utility model is provided with a moving assembly and a detection assembly, firstly, a detection platform is driven by a moving guide rail to be far away from the detection assembly, then the flywheel is placed on a fixing piece at the top of a turntable, the flywheel can be fixed by the fixing piece by pressing the flywheel downwards, the fixing mode is simple and convenient, then the moving guide rail drives the flywheel to move to the lower part of the detection assembly, a telescopic cylinder and a lifting cylinder of the detection assembly drive an ultrasonic probe to move to a welding seam of the flywheel, a rotating motor at the bottom of the detection platform drives the turntable to rotate, the welding seam of the flywheel can be detected in all aspects, the ultrasonic probe displays data on a display screen, and a worker directly observes the waveform change of the display screen.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the structure shown in fig. 1.

Fig. 3 is a schematic structural view of the turntable in the structure shown in fig. 1.

The labels in the figures are:

1. a frame;

2. a moving assembly; 21. a moving guide rail; 22. a detection platform; 23. rotating the motor; 24. a fixing member; 241. A fixed seat; 242. a movable seat; 243. a limiting groove; 244. a spring; 25. a turntable;

3. a detection component; 31. a support frame; 32. a lifting cylinder; 33. an ultrasonic probe; 34. a display screen; 35. A telescopic cylinder.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a more complete, accurate and thorough understanding of the inventive concept and technical solution of the present invention by those skilled in the art.

As shown in fig. 1-3, the utility model provides a weld seam flaw detection device, which includes a rack 1, a detection assembly 3 and a moving assembly 2, the detection assembly 3 and the moving assembly 2 are arranged on the top of the rack 1, a flywheel is fixed on the moving assembly 2 and drives the flywheel to move below the detection assembly 3, the moving end of the detection assembly 3 moves to the surface of the flywheel to rotate so as to detect a weld seam of the flywheel, the detection assembly 3 includes a support frame 31, a lifting cylinder 32, an ultrasonic probe 33 and a display screen 34, the lifting cylinder 32 is arranged on the top of the support frame 31, the moving end of the lifting cylinder 32 is fixedly connected with a telescopic cylinder 35, the end of the telescopic cylinder 35 is fixedly connected with the ultrasonic probe 33, the ultrasonic probe 33 is connected with a communication line, and the end of the communication line is connected to the display screen 34 arranged on the top of the support frame 31.

After the flywheel moves to the lower part of the support frame 31, the lifting cylinder 32 drives the telescopic cylinder 35 to move downwards, the telescopic cylinder 35 drives the ultrasonic probe 33 to move to the welding position of the flywheel for flaw detection, flaw detection data are displayed on the display screen 34 at the top of the support frame 31 by means of data lines, and the result display is more convenient.

Remove subassembly 2 including moving guide 21 and testing platform 22, moving guide 21 fixes the top of frame 1 just moving guide 21's expansion end fixedly connected with testing platform 22, testing platform 22's top is rotated and is connected with carousel 25 just testing platform 22's bottom is equipped with the drive carousel 25 pivoted rotates motor 23, be equipped with fixed flywheel mounting 24 on the carousel 25.

Under initial condition, the mobile rail 21 drives the detection platform 22 to be far away from the support frame 31, the staff places the flywheel on the detection platform 22, and utilize 24 flywheels of mounting at the top of the turntable 25 to fix on the detection platform 22, then utilize the mobile rail 21 to drive the detection platform 22 to move to the below of the detection component 3, after the detection end of the detection component 3 contacted the flywheel, the rotation motor 23 at the bottom of the detection platform 22 drives the turntable 25 to rotate, the rotating speed of the rotation motor 23 can be controlled, slowly drive the flywheel to rotate, and then more careful that can detect, need not the manual work and remove around the flywheel.

The fixing member 24 includes a fixing seat 241 and a moving seat 242, the edge of the rotating disk 25 is fixedly connected with a plurality of fixing seats 241 at uniform intervals along the circumferential direction thereof, a limiting groove 243 is formed on the surface of the fixing seat 241, the moving seat 242 is connected in the limiting groove 243 in a sliding manner by means of a spring 244, and the moving seat 242 is clamped on the surface of the flywheel. One side of the moving seat 242 close to the flywheel is an arc-shaped structure.

When placing the flywheel, place the flywheel on the arc side of removing seat 242 at first, then press the flywheel downwards, because remove seat 242 with the help of spring 244 and spacing groove 243 sliding connection, when pressing the flywheel downwards, remove seat 242 atress can move to spacing inslot 243, and then make the flywheel can move on carousel 25, remove the edge at the flywheel of seat 242 extrusion, realize the fixed of flywheel.

The working principle is as follows: the movable guide rail 21 drives the detection platform 22 to be far away from the support frame 31, a worker places the flywheel on the rotary table 25 of the detection platform 22, firstly, the flywheel is placed on the arc-shaped side of the movable seat 242, then the flywheel is pressed downwards, because the movable seat 242 is in sliding connection with the limiting groove 243 by means of the spring 244, when the flywheel is pressed downwards, the movable seat 242 is stressed to move into the limiting groove 243, further the flywheel can move onto the rotary table 25, the movable seat 242 is extruded at the edge of the flywheel to realize the fixation of the flywheel, then the movable guide rail 21 is utilized to drive the detection platform 22 to move to the lower part of the detection assembly 3, after the detection end of the detection assembly 3 is contacted with the flywheel, the rotating motor 23 at the bottom of the detection platform 22 drives the rotary table 25 to rotate, the rotating speed of the rotating motor 23 can be controlled, the flywheel is slowly driven to rotate, the lifting cylinder 32 drives the telescopic cylinder 35 to move downwards, the telescopic cylinder 35 drives the ultrasonic probe 33 to move to the welding part of the flywheel for flaw detection, the flaw detection data are displayed on the display screen 34 at the top of the support frame 31 by means of data lines, the result is displayed more conveniently, and further the detection can be carried out more carefully without moving around the flywheel manually.

The present invention has been described in connection with the accompanying drawings, and it is to be understood that the utility model is not limited to the specific embodiments disclosed, but is intended to cover various insubstantial modifications of the inventive concepts and solutions disclosed herein, or other applications in which the inventive concepts and solutions are directly applicable without such modifications, and is within the scope of the utility model.

Claims

1. The utility model provides a welding seam detection device that detects a flaw which characterized in that: comprises a frame (1), a detection component (3) and a moving component (2) which are arranged on the top of the frame (1), a flywheel is fixed on the moving component (2) and drives the flywheel to move to the lower part of the detection component (3), the movable end of the detection component (3) moves to the surface of the flywheel to rotate so as to detect the welding seam of the flywheel, the detection component (3) comprises a support frame (31), a lifting cylinder (32), an ultrasonic probe (33) and a display screen (34), the top of the supporting frame (31) is provided with the lifting cylinder (32), the movable end of the lifting cylinder (32) is fixedly connected with a telescopic cylinder (35), the end part of the telescopic cylinder (35) is fixedly connected with an ultrasonic probe (33), the ultrasonic probe (33) is connected with a communication line, and the end part of the communication line is connected to a display screen (34) arranged at the top of the support frame (31).

2. The weld flaw detection apparatus according to claim 1, characterized in that: remove subassembly (2) including moving guide (21) and testing platform (22), moving guide (21) are fixed the top of frame (1) just the expansion end fixedly connected with of moving guide (21) testing platform (22), the top of testing platform (22) is rotated and is connected with carousel (25) just the bottom of testing platform (22) is equipped with the drive carousel (25) pivoted rotates motor (23), be equipped with fixed flywheel mounting (24) on carousel (25).

3. The weld flaw detection apparatus according to claim 2, characterized in that: the fixing piece (24) comprises a fixing seat (241) and a moving seat (242), the edge of the rotary disc (25) is fixedly connected with a plurality of fixing seats (241) at uniform intervals along the circumferential direction of the rotary disc, a limiting groove (243) is formed in the surface of the fixing seat (241), the moving seat (242) is connected in the limiting groove (243) in a sliding mode through a spring (244), and the moving seat (242) is clamped on the surface of the flywheel.

4. The weld flaw detection apparatus according to claim 3, characterized in that: one side of the moving seat (242) close to the flywheel is of an arc-shaped structure.