Magnetic particle flaw detector for nondestructive testing

Abstract

The utility model relates to the technical field of magnetic particle flaw detectors, in particular to a magnetic particle flaw detector for nondestructive testing, which comprises a magnetic particle flaw detector body, a spraying structure, a first connecting pipe, a second connecting pipe, a water tank, a liquid tank and a collecting structure. The rear side of the spraying structure is connected with a water tank and a liquid tank through a first connecting pipe and a second connecting pipe, and a collecting structure is installed on the rear side of the magnetic particle flaw detector body. The magnetic suspension spraying device is provided with the spraying structure, the magnetic suspension can be sprayed to the workpiece through the spraying structure, the magnetic suspension on the surface of the workpiece can be cleaned, and the workpiece is prevented from being damaged by the residual magnetic suspension. The magnetic suspension spraying device is provided with the collecting structure, when the magnetic suspension is sprayed, the magnetic suspension and waste water can be collected separately through the collecting structure, and use is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of magnetic particle flaw detectors, and in particular relates to a magnetic particle flaw detector for nondestructive testing. Background Art

[0002] Magnetic particle inspection is a method of observing defects using magnetic particles as a display medium. After the workpiece made of ferromagnetic material is magnetized, a magnetic suspension is applied to the workpiece. Due to the existence of discontinuities in the workpiece, a leakage magnetic field is generated on the surface of the defect, causing the magnetic suspension to be adsorbed in the leakage magnetic field, forming a visually visible magnetic mark under appropriate lighting, thereby showing the location, size, shape and severity of the discontinuity. After the inspection is completed, the magnetic suspension remaining on the workpiece will cause damage to the workpiece.

[0003] However, the existing magnetic particle flaw detector does not have a spraying structure, does not have the function of cleaning the workpiece after inspection, and does not have a collection structure, does not have the function of separately collecting the flowing magnetic suspension and wastewater, and is not convenient to use. Therefore, a magnetic particle flaw detector for non-destructive testing is urgently needed to solve the above problems. Utility Model Content

[0004] In order to overcome the above-mentioned technical problems, the purpose of the utility model is to provide a magnetic particle flaw detector for non-destructive testing, so as to solve the problems proposed in the above-mentioned background technology that the existing magnetic particle flaw detector does not have a spraying structure, does not have the function of cleaning the workpiece after inspection, and the existing magnetic particle flaw detector does not have a collection structure, does not have the function of separately collecting the flowing magnetic suspension and wastewater, and is inconvenient to use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a magnetic particle flaw detector for non-destructive testing, comprising a magnetic particle flaw detector body, a spraying structure, a connecting pipe 1, a connecting pipe 2, a water tank, a liquid tank and a collecting structure, wherein a spraying structure is installed on the top of the magnetic particle flaw detector body, and the rear side of the spraying structure is connected to the water tank and the liquid tank through connecting pipe 1 and connecting pipe 2, and a collecting structure is installed on the rear side of the magnetic particle flaw detector body.

[0006] Preferably, the spraying structure includes a bracket, a motor, a threaded rod, a slider, a mounting plate, a liquid inlet pipe, a water inlet pipe, a liquid spray head and a spray head, and the bracket is fixedly connected to the top of the magnetic particle flaw detector body.

[0007] Preferably, the motor 1 is fixedly connected to the inner wall of the groove of the bracket, the driving shaft of the motor 1 passes through the bracket and is fixedly connected to a threaded rod, the threaded rod is rotatably connected to the bracket, and the threaded rod is threadedly connected to the slider.

[0008] Preferably, the bottom of the sliding block is fixedly connected to a mounting plate, a liquid inlet pipe and a water inlet pipe are installed in the mounting plate, and the bottom of the mounting plate is fixedly connected to four liquid spray heads and a shower head.

[0009] Preferably, the liquid spray head is located at the bottom of the liquid inlet pipe, the shower head is located at the bottom of the water inlet pipe, the rear side of the liquid inlet pipe is fixedly connected to the connecting pipe 1, and the rear side of the water inlet pipe is fixedly connected to the connecting pipe 2.

[0010] Preferably, the collecting structure includes a box body, a connecting pipe, a second motor, a rotating shaft, a partition, a baffle and a water outlet pipe. The top of the box body is fixedly connected to the connecting pipe, and the connecting pipe is fixedly connected to the rear side of the magnetic particle flaw detector body.

[0011] Preferably, the rear side of the box is fixedly connected to motor 2, the drive shaft of motor 2 passes through the box and is fixedly connected to the rotating shaft, the rotating shaft is fixedly connected to the partition, the baffle is fixedly connected to the inner wall of the box, and the left and right sides of the box are fixedly connected to the water outlet pipe.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The magnetic particle flaw detector for non-destructive testing is provided with a spraying structure. The water pump in the liquid tank is turned on to make the magnetic suspension spray out from the spray head through the connecting pipe 1 and the liquid inlet pipe. The motor 1 is turned on to make the motor 1 drive the threaded rod to rotate, and the threaded rod drives the slider to move to the right. At the same time, the magnetic particle flaw detector body drives the workpiece to rotate, so that the spray head sprays the workpiece surface evenly. When the inspection is completed, the water pump in the water tank is turned on to make water spray out from the spray head through the connecting pipe 2 and the water inlet pipe to clean the workpiece. The magnetic suspension can be sprayed on the workpiece through the spraying structure, and the magnetic suspension on the surface of the workpiece can be cleaned to prevent the residual magnetic suspension from damaging the workpiece.

[0014] 2. The magnetic particle flaw detector for nondestructive testing is provided with a collecting structure. When spraying the magnetic suspension, the second motor is turned on to drive the rotating shaft to rotate, and the rotating shaft drives the partition to rotate, so that the left end of the partition is against the inner wall of the box, and the magnetic suspension flows to the right end of the box. When cleaning, the second motor is turned on to drive the rotating shaft to rotate, and the rotating shaft drives the partition to rotate, and the right end of the partition is against the inner wall of the box, so that the magnetic suspension flows to the left end of the box and is discharged through the outlet pipe. The magnetic suspension and wastewater can be collected separately through the collecting structure, which is convenient for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front perspective schematic diagram of the utility model;

[0016] Figure 2 It is a three-dimensional schematic diagram of the back side of the utility model;

[0017] Figure 3 This is a schematic diagram of the explosion structure of the spray structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the explosion structure of the spray structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the explosion structure of the collection structure of the utility model.

[0020] In the figure: 1. Magnetic particle flaw detector body; 2. Spraying structure; 21. Bracket; 22. Motor 1; 23. Threaded rod; 24. Slider; 25. Mounting plate; 26. Liquid inlet pipe; 27. Water inlet pipe; 28. Liquid spray head; 29. ​​Spray head; 3. Connecting pipe 1; 4. Connecting pipe 2; 5. Water tank; 6. Liquid tank; 7. Collecting structure; 71. Box body; 72. Connecting pipe; 73. Motor 2; 74. Rotating shaft; 75. Partition; 76. Baffle; 77. Water outlet pipe. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-5 The utility model provides an embodiment: a magnetic particle flaw detector for non-destructive testing, including a magnetic particle flaw detector body 1, a spraying structure 2, a connecting pipe 1 3, a connecting pipe 2 4, a water tank 5, a liquid tank 6 and a collecting structure 7. The spraying structure 2 is installed on the top of the magnetic particle flaw detector body 1, and the rear side of the spraying structure 2 is connected to the water tank 5 and the liquid tank 6 through the connecting pipe 1 3 and the connecting pipe 2 4. The collecting structure 7 is installed on the rear side of the magnetic particle flaw detector body 1.

[0023] The spraying structure 2 includes a bracket 21, a motor 22, a threaded rod 23, a slider 24, a mounting plate 25, a liquid inlet pipe 26, a water inlet pipe 27, a liquid spray head 28 and a spray head 29. The bracket 21 is fixedly connected to the top of the magnetic particle flaw detector body 1.

[0024] The motor 1 22 is fixedly connected to the inner wall of the groove of the bracket 21 . The driving shaft of the motor 1 22 passes through the bracket 21 and is fixedly connected to the threaded rod 23 . The threaded rod 23 is rotatably connected to the bracket 21 , and the threaded rod 23 is threadedly connected to the slider 24 .

[0025] The bottom of the slider 24 is fixedly connected to a mounting plate 25 , in which a liquid inlet pipe 26 and a water inlet pipe 27 are installed. The bottom of the mounting plate 25 is fixedly connected to four liquid spray heads 28 and a shower head 29 .

[0026] The liquid spray head 28 is located at the bottom of the liquid inlet pipe 26, and the shower head 29 is located at the bottom of the water inlet pipe 27. The rear side of the liquid inlet pipe 26 is fixedly connected to the connecting pipe 1 3, and the rear side of the water inlet pipe 27 is fixedly connected to the connecting pipe 2 4.

[0027] The collecting structure 7 includes a box body 71, a connecting pipe 72, a second motor 73, a rotating shaft 74, a partition 75, a baffle 76 and a water outlet pipe 77. The top of the box body 71 is fixedly connected to the connecting pipe 72, and the connecting pipe 72 is fixedly connected to the rear side of the magnetic particle flaw detector body 1.

[0028] The rear side of the box body 71 is fixedly connected to the motor 2 73, and the driving shaft of the motor 2 73 passes through the box body 71 and is fixedly connected to the rotating shaft 74. The rotating shaft 74 is fixedly connected to the partition 75, and the baffle 76 is fixedly connected to the inner wall of the box body 71. The left and right sides of the box body 71 are fixedly connected to the water outlet pipe 77.

[0029] Working principle:

[0030] When in use, the workpiece is placed on the magnetic particle flaw detector body 1 and clamped. Micro water pumps are installed in the water tank 5 and the liquid tank 6. The water pump in the liquid tank 6 is turned on to make the magnetic suspension liquid spray out from the liquid spray head 28 through the connecting pipe 3 and the liquid inlet pipe 26. The motor 22 is turned on to make the motor 22 drive the threaded rod 23 to rotate, and the threaded rod 23 drives the slider 24 to move to the right. At the same time, the magnetic particle flaw detector body 1 drives the workpiece to rotate, so that the liquid spray head 28 sprays the workpiece surface evenly. When the inspection is completed, the water pump in the water tank 5 is turned on to make water spray out from the spray head 29 through the connecting pipe 4 and the water inlet pipe 27 to clean the workpiece. The magnetic suspension liquid can be sprayed on the workpiece through the spraying structure 2, and the magnetic suspension liquid on the surface of the workpiece can be cleaned. To prevent the residual magnetic suspension from damaging the workpiece, the magnetic suspension and waste water sprayed on the workpiece enter the connecting pipe 72 through the bottom of the magnetic particle flaw detector body 1. When spraying the magnetic suspension, turn on the second motor 73, so that the second motor 73 drives the rotating shaft 74 to rotate, and the rotating shaft 74 drives the partition 75 to rotate, so that the left end of the partition 75 abuts against the inner wall of the box body 71, so that the magnetic suspension flows to the right end of the box body 71. When cleaning, turn on the second motor 73, so that the second motor 73 drives the rotating shaft 74 to rotate, and the rotating shaft 74 drives the partition 75 to rotate, and the right end of the partition 75 abuts against the inner wall of the box body 71, so that the magnetic suspension flows to the left end of the box body 71 and is discharged through the outlet pipe 77. The magnetic suspension and waste water can be collected separately by the collection structure 7 for easy use.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A magnetic particle flaw detector for non-destructive testing, comprising a magnetic particle flaw detector body (1), a spraying structure (2), a connecting pipe 1 (3), a connecting pipe 2 (4), a water tank (5), a liquid tank (6) and a collecting structure (7), characterized in that: A spraying structure (2) is installed on the top of the magnetic particle flaw detector body (1); the rear side of the spraying structure (2) is connected to a water tank (5) and a liquid tank (6) via a connecting pipe 1 (3) and a connecting pipe 2 (4); and a collecting structure (7) is installed on the rear side of the magnetic particle flaw detector body (1).

2. A magnetic particle flaw detector for nondestructive testing according to claim 1, characterized in that: The spraying structure (2) comprises a bracket (21), a motor (22), a threaded rod (23), a slider (24), a mounting plate (25), a liquid inlet pipe (26), a water inlet pipe (27), a liquid spray head (28) and a spray head (29); the bracket (21) is fixedly connected to the top of the magnetic particle flaw detector body (1).

3. A magnetic particle flaw detector for nondestructive testing according to claim 2, characterized in that: The motor 1 (22) is fixedly connected to the inner wall of the groove of the bracket (21); the driving shaft of the motor 1 (22) passes through the bracket (21) and is fixedly connected to the threaded rod (23); the threaded rod (23) is rotatably connected to the bracket (21); and the threaded rod (23) is threadedly connected to the slider (24).

4. A magnetic particle flaw detector for nondestructive testing according to claim 3, characterized in that: The bottom of the slider (24) is fixedly connected to a mounting plate (25), a liquid inlet pipe (26) and a water inlet pipe (27) are installed in the mounting plate (25), and the bottom of the mounting plate (25) is fixedly connected to four liquid spray heads (28) and a shower head (29).

5. A magnetic particle flaw detector for nondestructive testing according to claim 4, characterized in that: The liquid spray head (28) is located at the bottom of the liquid inlet pipe (26), the shower head (29) is located at the bottom of the water inlet pipe (27), the rear side of the liquid inlet pipe (26) is fixedly connected to the connecting pipe 1 (3), and the rear side of the water inlet pipe (27) is fixedly connected to the connecting pipe 2 (4).

6. The magnetic particle flaw detector for nondestructive testing according to claim 1, characterized in that: The collecting structure (7) comprises a box body (71), a connecting pipe (72), a second motor (73), a rotating shaft (74), a partition (75), a baffle (76) and a water outlet pipe (77); the top of the box body (71) is fixedly connected to the connecting pipe (72); and the connecting pipe (72) is fixedly connected to the rear side of the magnetic particle flaw detector body (1).

7. A magnetic particle flaw detector for nondestructive testing according to claim 6, characterized in that: The rear side of the box body (71) is fixedly connected to the second motor (73), the driving shaft of the second motor (73) passes through the box body (71) and is fixedly connected to the rotating shaft (74), the rotating shaft (74) is fixedly connected to the partition plate (75), the baffle plate (76) is fixedly connected to the inner wall of the box body (71), and the left and right sides of the box body (71) are fixedly connected to the water outlet pipe (77).

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