Closed-circuit magnet yoke flaw detection device of flaw detection machine

Abstract

The utility model discloses a flaw detection machine closed circuit magnet yoke flaw detection device which comprises a magnetization table, a height adjusting assembly is installed on the top of the back face of the magnetization table, the height adjusting assembly is used for adjusting the height of magnetic powder spraying, the height adjusting assembly comprises a telescopic adjusting rod, and the telescopic adjusting rod is fixed to the top of the back face of the magnetization table. A fastening bolt is installed on one side of the telescopic adjusting rod in a penetrating mode, a mounting rod is installed at the top end of the telescopic adjusting rod, a connecting piece is installed at the top of the mounting rod, and a magnetic powder spraying assembly is fixed to the top of the mounting rod through the connecting piece. When the height adjusting assembly is used, the position of the hundred-year-old magnetic powder spraying assembly is adjusted to the proper position through stretching and retracting of the telescopic adjusting rod, the hundred-year-old magnetic powder spraying assembly is fixed through the fastening bolt, the magnetic powder spraying assembly is more flexible to use through height adjustment, and the spraying efficiency of the hundred-year-old magnetic powder spraying assembly on different workpieces is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of flaw detectors, in particular to a closed-circuit yoke flaw detection device for a flaw detector. Background Art

[0002] A flaw detector is one of the important devices for non-destructive testing work. It is used to perform non-destructive testing on parts, castings and welded parts made of metals, non-metals and other materials to determine internal defects, slag inclusions, cracks, pores, and poor welding.

[0003] Patent document CN219348735U discloses a magnetization detection device for a flaw detector. "When the magnetization detection device in this patent document is in use, the height of the magnetic powder spraying assembly used to spray magnetic powder cannot be adjusted according to the size of the workpiece, which affects the use of the magnetic powder spraying assembly. Content of the Utility Model

[0004] An object of the present application is to provide a closed-circuit yoke flaw detection device for a flaw detector to solve the technical problem in the prior art that the height of the magnetic powder spraying assembly used to spray magnetic powder cannot be adjusted according to the size of the workpiece, which affects the use of the magnetic powder spraying assembly.

[0005] To achieve the above object, the utility model provides the following technical solution: A closed-circuit yoke flaw detection device for a flaw detector, including a magnetization table, a height adjustment assembly is installed on the top of the back of the magnetization table, the height adjustment assembly is used to adjust the height of magnetic powder spraying, the height adjustment assembly includes a telescopic adjustment rod, the telescopic adjustment rod is fixed on the top of the back of the magnetization table, one side of the telescopic adjustment rod is installed with a fastening bolt through it, the top of the telescopic adjustment rod is installed with an installation rod, a connecting piece is installed on the top of the installation rod, and a magnetic powder spraying assembly is fixed on the top of the installation rod through the connecting piece.

[0006] Preferably, the magnetic powder spraying assembly includes a fixed tube fixed inside the connecting piece, a spraying tube is installed through one end and the front of the fixed tube, and a spraying head is installed at one end of the spraying tube.

[0007] Preferably, a driving mechanism and a connecting mechanism are respectively installed on the top of the magnetization table, and the driving mechanism and the connecting mechanism are installed opposite to each other.

[0008] Preferably, the output end of the driving mechanism is installed with a positioning frame, connecting shafts are symmetrically installed on the outside of the positioning frame, and the connecting shafts are respectively connected to the driving mechanism and the connecting mechanism.

[0009] Preferably, threaded sleeves are symmetrically installed on the front and back of the positioning frame, a threaded rod is installed through the inside of the threaded sleeve, a rotating handle is installed at one end of the threaded rod, and a positioning disk is installed at the other end of the threaded rod.

[0010] Preferably, an equipment box is installed at the bottom of the magnetization table. A connecting pipe is installed through the interior of the equipment box, and the connecting pipe is connected to a fixed pipe. A disassembly cover is installed on the front of the equipment box through bolts.

[0011] Preferably, a base is installed at the bottom of the equipment box. An electrical box is installed at the top of one side of the base, and a controller is installed on the front of the electrical box.

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

[0013] 1. When the height adjustment component of the present utility model is in use, the position of the magnetic powder spraying component is changed by the telescopic movement of the telescopic adjustment rod. When adjusted to a suitable position, it is fixed by a fastening bolt. By adjusting the height, the magnetic powder spraying component is more flexible to use and has a higher spraying efficiency for different workpieces.

[0014] 2. In the present utility model, the positioning frame is connected to the driving mechanism and the connecting mechanism through a connecting shaft. The inner side of the positioning frame provides space for fixing the workpiece. The workpiece to be flaw-detected is rotated by a threaded rod, and the positioning disk fixes the workpiece, so that the workpiece can automatically rotate and adjust the observation position during flaw detection without the need for staff to flip it, improving the working efficiency of the flaw detector. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional view of the present utility model;

[0016] Figure 2 is a schematic structural view of the telescopic adjustment rod of the present utility model;

[0017] Figure 3 is a schematic structural view of the positioning frame of the present utility model;

[0018] Figure 4 is a schematic structural view of the threaded rod of the present utility model.

[0019] In the figure: 1. Base; 2. Electrical box; 3. Controller; 4. Equipment box; 5. Disassembly cover; 6. Magnetization table; 7. Driving mechanism; 8. Connecting mechanism; 9. Positioning frame; 10. Connecting shaft; 11. Threaded sleeve; 12. Threaded rod; 13. Rotating handle; 14. Positioning disk; 15. Telescopic adjustment rod; 16. Fastening bolt; 17. Mounting rod; 18. Connecting piece; 19. Fixed pipe; 20. Spraying pipe; 21. Spraying head; 22. Connecting pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0022] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0023] Please refer to Figure 1 and Figure 2 , an embodiment provided by the present utility model: a closed-circuit yoke flaw detection device for a flaw detector;

[0024] It includes a magnetization table 6 and a height adjustment assembly. The height adjustment assembly is installed at the top of the back of the magnetization table 6. The height adjustment assembly is used to adjust the height of magnetic powder spraying. The height adjustment assembly includes a telescopic adjustment rod 15. The telescopic adjustment rod 15 is fixed at the top of the back of the magnetization table 6. A fastening bolt 16 is installed through one side of the telescopic adjustment rod 15. The top of the telescopic adjustment rod 15 is installed with an installation rod 17. The top of the installation rod 17 is installed with a connecting piece 18. The magnetic powder spraying assembly is fixed to the top of the installation rod 17 through the connecting piece 18. The magnetic powder spraying assembly includes a fixed pipe 19 fixed inside the connecting piece 18. One end and the front of the fixed pipe 19 are installed with a spraying pipe 20. One end of the spraying pipe 20 is installed with a spraying head 21;

[0025] The magnetization table 6 magnetizes the workpiece to be flaw-detected and also provides an installation position for the height adjustment component. When the height adjustment component is in use, the position of the magnetic powder spraying component is changed by the telescopic movement of the telescopic adjustment rod 15. When adjusted to the appropriate position, it is fixed by the fastening bolt 16. By adjusting the height, the magnetic powder spraying component is more flexible to use and has a higher spraying efficiency for different workpieces. The installation rod 17 provides a position for the installation of the connecting piece 18. Through the connecting piece 18, the fixed pipe 19 is fixedly installed. The magnetic powder enters the spraying head 21 through the spraying pipe 20 and is sprayed out.

[0026] Please refer to Figure 1 、 Figure 3 and Figure 4 , an embodiment provided by the present utility model: a closed-circuit yoke flaw detection device for a flaw detector;

[0027] It includes a positioning frame 9. A driving mechanism 7 and a connecting mechanism 8 are respectively installed on the top of the magnetization table 6, and the driving mechanism 7 and the connecting mechanism 8 are installed opposite to each other. The output end of the driving mechanism 7 is installed with a positioning frame 9. Connecting shafts 10 are symmetrically installed on the outside of the positioning frame 9, and the connecting shafts 10 are respectively connected to the driving mechanism 7 and the connecting mechanism 8. Threaded sleeves 11 are symmetrically installed on the front and back of the positioning frame 9. A threaded rod 12 is installed through the inside of the threaded sleeve 11. One end of the threaded rod 12 is installed with a rotating handle 13, and the other end of the threaded rod 12 is installed with a positioning disk 14;

[0028] The driving mechanism 7 is used to drive the positioning frame 9 to rotate. The positioning frame 9 is connected to the driving mechanism 7 and the connecting mechanism 8 through the connecting shaft 10. The inside of the positioning frame 9 provides space for fixing the workpiece. The workpiece to be flaw-detected is rotated by the threaded rod 12, and the positioning disk 14 fixes the workpiece, so that the workpiece can automatically rotate and adjust the observation position during flaw detection, without the need for staff to flip it, improving the working efficiency of the flaw detector.

[0029] Please refer to Figure 1 , an embodiment provided by the present utility model: a closed-circuit yoke flaw detection device for a flaw detector;

[0030] It includes an equipment box 4. The equipment box 4 is installed at the bottom of the magnetization table 6. A connecting pipe 22 is installed through the inside of the equipment box 4, and the connecting pipe 22 is connected to the fixed pipe 19. A disassembly cover 5 is installed on the front of the equipment box 4 through bolts. A base 1 is installed at the bottom of the equipment box 4. An electrical box 2 is installed at the top of one side of the base 1, and a controller 3 is installed on the front of the electrical box 2;

[0031] The interior of the equipment box 4 is used to install the magnetic powder and the transmission mechanism of the magnetic powder. The output end of the transmission mechanism is connected to the connecting pipe 22. The disassembly cover 5 can be disassembled by bolt installation to open the front of the equipment box 4. The electrical box 2 provides an installation position for the controller 3, and the controller 3 is used to control the operation of the device.

[0032] Working principle: Before using the closed-circuit yoke flaw detector device, it should be checked first whether there are any problems affecting its use. First, place the device at the position where it is needed, then fix the workpiece to be flaw-detected inside the positioning frame 9, and spray the magnetic powder on the outside of the workpiece through the magnetic powder spraying assembly. When spraying, the driving mechanism 7 drives the workpiece to rotate, and the workpiece is inspected for flaws by observing the distribution of the magnetic powder.

[0033] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model, and any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A closed-circuit magnetic yoke flaw detection device for a flaw detector, comprising a magnetizing table (6), characterized in that: A height adjustment component is installed on the top of the back side of the magnetizing table (6), and the height adjustment component is used to adjust the height of the magnetic powder spraying. The height adjustment component comprises a telescopic adjustment rod (15), and the telescopic adjustment rod (15) is fixed on the top of the back side of the magnetizing table (6). A fastening bolt (16) is installed through one side of the telescopic adjustment rod (15), and a mounting rod (17) is installed on the top of the telescopic adjustment rod (15). A connecting piece (18) is installed on the top of the mounting rod (17), and a magnetic powder spraying component is fixed to the top of the mounting rod (17) through the connecting piece (18).

2. A closed-circuit magnetic yoke flaw detection device for a flaw detector according to claim 1, characterized in that: The magnetic powder spraying assembly comprises a fixed tube (19) fixed inside a connecting piece (18), a spraying tube (20) is installed through one end and the front of the fixed tube (19), and a spraying head (21) is installed at one end of the spraying tube (20).

3. A closed-circuit magnetic yoke flaw detection device for a flaw detector according to claim 1, characterized in that: A driving mechanism (7) and a connecting mechanism (8) are respectively installed on the top of the magnetizing table (6), and the driving mechanism (7) and the connecting mechanism (8) are installed opposite to each other.

4. A closed-circuit magnetic yoke flaw detection device for a flaw detector according to claim 3, characterized in that: A positioning frame (9) is installed at the output end of the driving mechanism (7), and a connecting shaft (10) is symmetrically installed on the outer side of the positioning frame (9), and the connecting shaft (10) is respectively connected to the driving mechanism (7) and the connecting mechanism (8).

5. A closed-circuit magnetic yoke flaw detection device for a flaw detector according to claim 4, characterized in that: The front and back sides of the positioning frame (9) are symmetrically provided with threaded sleeves (11), the interior of the threaded sleeve (11) is penetrated by a threaded rod (12), one end of the threaded rod (12) is provided with a rotating handle (13), and the other end of the threaded rod (12) is provided with a positioning plate (14).

6. A closed-circuit magnetic yoke flaw detection device for a flaw detector according to claim 3, characterized in that: The bottom of the magnetizing table (6) is provided with an equipment box (4), the interior of the equipment box (4) is penetrated by a connecting pipe (22), and the connecting pipe (22) is connected to a fixing pipe (19), and a disassembly cover (5) is installed on the front of the equipment box (4) by means of bolts.

7. A closed-circuit magnetic yoke flaw detection device for a flaw detector according to claim 6, characterized in that: A base (1) is installed at the bottom of the equipment box (4), an electrical box (2) is installed at the top of one side of the base (1), and a controller (3) is installed at the front of the electrical box (2).

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