Magnetic particle flaw detector with protective structure

Abstract

The utility model discloses a magnetic particle flaw detector with a protective structure, which relates to the technical field of magnetic particle flaw detectors and comprises a support box, a protective box is mounted at the top of the support box, a movable opening is formed in the top of the support box, a guide cover is mounted on the inner side of the top of the support box, a storage barrel is mounted at the bottom of the inner side of the support box, and a magnetic particle detector is mounted in the storage barrel. And an injection port is formed in the top of the storage barrel and located in front of the guide cover, a suction pipe is installed on the rear wall of the storage barrel in a penetrating mode, a transmission pump is installed at the rear end of the suction pipe, and a transmission pipe is installed at the output end of the transmission pump. According to the magnetic suspension recycling device, the atomizing spray head is installed, the movable opening is formed in the top of the supporting box, the movable opening is used for guiding falling magnetic suspension to enter the guiding cover, the guiding cover collects the magnetic suspension in a centralized mode, the guiding cover conveys the collected magnetic suspension into the storage barrel, the magnetic suspension can be recycled conveniently, and recycling of the magnetic suspension is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic particle flaw detectors, in particular to a magnetic particle flaw detector with a protective structure. Background Art

[0002] Magnetic particle inspection is suitable for flaw detection on the surface of cylindrical steel materials such as steel pipes and motor vehicle shafts. In magnetic particle inspection, a magnetic powder solution containing magnetic particles is applied to the surface of the object being inspected, and a magnetic field is applied to the object to magnetize it. When flaws such as cracks exist on the magnetized surface of the object being inspected, the magnetic particle inspection is performed.

[0003] Patent document CN209296648U discloses a magnetic particle flaw detector, which discloses "a magnetic particle flaw detector, which mainly includes a front-end feeding device, a magnetizing device, a magnetic powder liquid spraying device, an annular air knife, an image shooting device, a rear-end feeding device and a detection and control device, and the several parts are arranged in sequence along the feeding and conveying direction of round steel."

[0004] The above-mentioned magnetic particle flaw detector lacks a structure for recovering magnetic powder liquid, which easily leads to waste of magnetic powder liquid. Utility Model Content

[0005] The purpose of the utility model is to provide a magnetic particle flaw detector with a protective structure to solve the technical problem proposed in the above background technology that the magnetic particle flaw detector lacks a structure for recovering magnetic powder liquid, which easily causes waste of magnetic powder liquid.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a magnetic particle flaw detector with a protective structure, comprising: a support box, a protective box is installed on the top of the support box, a movable opening is opened on the top of the support box, a guide cover is installed on the inner side of the top of the support box, a storage barrel is installed on the inner bottom of the support box, an injection port is installed on the top of the storage barrel, the injection port is located in front of the guide cover, a suction pipe is installed through the rear wall of the storage barrel, a transmission pump is installed at the rear end of the suction pipe, a transmission pipe is installed at the output end of the transmission pump, the transmission pipe passes through the rear wall of the support box, the transmission pipe passes through the rear wall of the protective box, and a spray nozzle is installed on the top of the transmission pipe.

[0007] Preferably, an assembly shell is installed on the inner side of the top of the protective box, a screw is installed on the inner side of the assembly shell, a control motor is installed on one side of the assembly shell, the output end of the control motor is connected to one end of the screw, and an assembly part is installed on the outer side of the screw through a threaded movement. A guide groove is provided at the bottom of the assembly shell, the assembly part passes through the inner side of the guide groove, and the spray nozzle passes through the bottom end of the assembly part.

[0008] Preferably, a support frame is installed on the top of the support box, and two groups of support frames are respectively located in front and behind the movable opening. A threaded rod is installed on the inner side of the support frame, one end of the threaded rod is connected to a servo motor, and the servo motor is installed on the top of the support box. A movable ring is installed on the outer side of the threaded rod through a threaded movement, and a movable coil is installed on the top of the movable ring.

[0009] Preferably, two groups of mounting seats are installed on the top of the support box, an electric motor is installed on the inner side of the first group of mounting seats, and the output end of the electric motor is connected to the clamping assembly through a connecting piece.

[0010] Preferably, a telescopic rod is installed on the inner side of the second group of mounting seats, and a second group of clamping components is installed on one end of the telescopic rod.

[0011] Preferably, the clamping assembly includes a support shell installed at one end of the telescopic rod, another set of support shells is connected to the output end of the motor, an electric push rod is installed through the inner wall of the support shell, and a clamping plate is installed at one end of the electric push rod.

[0012] Preferably, a controller is installed on the inner bottom wall of the support box, and the front sides of the support box and the protection box are connected to door bodies through hinges.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model is equipped with an atomizing nozzle and a movable opening on the top of the support box. The movable opening is used to guide the falling magnetic suspension into the interior of the guide cover. The guide cover collects the magnetic suspension and transfers the collected magnetic suspension to the interior of the storage barrel, which facilitates the recovery of the magnetic suspension and realizes the recycling of the magnetic suspension.

[0015] 2. The utility model installs a protective box, and the support box fixes the top protective box to ensure the stability of the protective box. The front of the protective box is connected to the door body. The closed door body ensures the protection of the internal equipment to prevent external influences on the safety of the device when it is not working. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the support box structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the side sectional structure of the support box of the present utility model;

[0018] Figure 3 This is a schematic diagram of the protective box structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the threaded rod structure of the present utility model.

[0020] In the figure: 1. Support box; 2. Door body; 3. Protection box; 4. Guide cover; 5. Storage barrel; 6. Injection port; 7. Suction tube; 8. Transfer pump; 9. Transfer pipe; 10. Spray nozzle; 11. Assembly shell; 12. Screw; 13. Control motor; 14. Assembly part; 15. Controller; 16. Mounting seat; 17. Motor; 18. Support shell; 19. Electric push rod; 20. Clamping plate; 21. Telescopic rod; 22. Support frame; 23. Threaded rod; 24. Servo motor; 25. Moving ring; 26. Moving coil; 27. Movable port. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc., should be understood in a broad sense. For example, "connected" may refer to a fixed connection, a detachable connection, or an integral connection; it may refer to a mechanical connection or an electrical connection; it may refer to a direct connection or an indirect connection through an intermediate medium; it may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0024] See also Figure 1 、 Figure 2 and Figure 3, a magnetic particle flaw detector with a protective structure, comprising: a support box 1, a protective box 3 is installed on the top of the support box 1, a movable port 27 is opened on the top of the support box 1, a guide cover 4 is installed on the inner side of the top of the support box 1, a storage barrel 5 is installed on the bottom of the inner side of the support box 1, an injection port 6 is installed on the top of the storage barrel 5, and the injection port 6 is located in front of the guide cover 4, a suction pipe 7 is installed through the rear wall of the storage barrel 5, a transmission pump 8 is installed at the rear end of the suction pipe 7, a transmission pipe 9 is installed at the output end of the transmission pump 8, the transmission pipe 9 passes through the rear wall of the support box 1, the transmission pipe 9 passes through the rear wall of the protection box 3, and a spray nozzle 10 is installed on the top of the transmission pipe 9;

[0025] The support box 1 fixes the top protection box 3 to ensure the stability of the protection box 3. The front of the protection box 3 is connected to the door body 2. The door body 2 is closed to protect the internal equipment and prevent the external environment from affecting the safety of the device when it is not working. A movable opening 27 is opened on the top of the support box 1. The movable opening 27 is used to guide the falling magnetic suspension into the interior of the guide cover 4. The guide cover 4 collects the magnetic suspension in a centralized manner. The guide cover 4 transfers the collected magnetic suspension to the interior of the storage barrel 5. The transmission pump 8 runs through the suction pipe 7 to extract the magnetic suspension from the storage barrel 5, and then transfers the magnetic suspension to the interior of the transmission pipe 9. The transmission pipe 9 transfers the magnetic suspension to the interior of the spray nozzle 10. The spray nozzle 10 sprays the magnetic suspension onto the surface of the workpiece.

[0026] See also Figure 2 and Figure 3 An assembly shell 11 is installed on the inner side of the top of the protection box 3, and a screw rod 12 is installed on the inner side of the assembly shell 11. A control motor 13 is installed on one side of the assembly shell 11. The output end of the control motor 13 is connected to one end of the screw rod 12. An assembly part 14 is movably installed on the outer side of the screw rod 12 through a thread. A guide groove is opened at the bottom of the assembly shell 11. The assembly part 14 passes through the inner side of the guide groove, and the spray nozzle 10 passes through the bottom end of the assembly part 14;

[0027] The protective box 3 fixes the assembly shell 11, and the assembly shell 11 supports the inner screw rod 12. The control motor 13 drives the output end screw rod 12 to rotate. The rotation of the screw rod 12 drives the outer assembly part 14 to move. The movement of the assembly part 14 drives the bottom spray nozzle 10 to move left and right, which is convenient for spraying magnetic suspension on different positions of the workpiece.

[0028] See also Figure 2 、 Figure 3 and Figure 4A support frame 22 is installed on the top of the support box 1. Two groups of support frames 22 are respectively located in front and behind the movable opening 27. A threaded rod 23 is installed on the inner side of the support frame 22. One end of the threaded rod 23 is connected to a servo motor 24. The servo motor 24 is installed on the top of the support box 1. A moving ring 25 is installed on the outer side of the threaded rod 23 through a threaded movement. A moving coil 26 is installed on the top of the moving ring 25.

[0029] The support box 1 fixes the support frame 22 on the top to ensure the stability of the support frame 22. The support frame 22 supports the internal threaded rod 23, and the threaded rod 23 rotates smoothly. The servo motor 24 drives the output end threaded rod 23 to rotate, and the rotation of the threaded rod 23 drives the outer moving ring 25 to move. The movement of the moving ring 25 drives the top moving coil 26 to move. The moving coil 26 is energized to generate magnetic force to magnetize the workpiece. The magnetic suspension adheres to the surface of the workpiece, thereby detecting scratches on the workpiece.

[0030] See also Figure 2 and Figure 3 Two groups of mounting seats 16 are installed on the top of the support box 1. A motor 17 is installed on the inner side of the first group of mounting seats 16. The output end of the motor 17 is connected to a clamping assembly through a connector. A telescopic rod 21 is installed on the inner side of the second group of mounting seats 16. A second group of clamping assemblies is installed at one end of the telescopic rod 21. The clamping assembly includes a support shell 18 installed at one end of the telescopic rod 21. Another group of support shells 18 is connected to the output end of the motor 17. An electric push rod 19 is installed through the inner wall of the support shell 18. A clamping plate 20 is installed at one end of the electric push rod 19.

[0031] The support box 1 fixes the two groups of mounting seats 16 on the top to ensure the stability of the two groups of mounting seats 16. One group of mounting seats 16 fixes the internal motor 17, and the other group fixes the telescopic rod 21. The motor 17 is connected to a group of clamping components. The telescopic rod 21 is extended to facilitate adjustment of the distance between the two groups of support shells 18. The support shell 18 squeezes the workpiece. The telescopic rod 21 is connected to another group of clamping components. The support shell 18 in the clamping component limits the inner workpiece. The electric push rod 19 is extended to drive one end clamping plate 20 to move. The clamping plate 20 is against the outer surface of the workpiece for clamping the workpiece. The operation of the motor 17 drives the output end support shell 18 to rotate, and the rotation of the support shell 18 drives the workpiece to rotate, which is convenient for the comprehensive spraying of the magnetic suspension.

[0032] A controller 15 is installed on the inner bottom wall of the support box 1 , and the front sides of the support box 1 and the protection box 3 are connected to the door body 2 through hinges.

[0033] Working principle: the transmission pump 8 runs to extract the magnetic suspension from the storage barrel 5 through the suction pipe 7, and then transmits the magnetic suspension to the inside of the transmission pipe 9. The transmission pipe 9 transmits the magnetic suspension to the inside of the spray nozzle 10. The spray nozzle 10 sprays the magnetic suspension onto the surface of the workpiece. A set of mounting seats 16 fix the internal motor 17, and another set fixes the telescopic rod 21. The motor 17 is connected to a set of clamping components. The telescopic rod 21 is extended to facilitate adjustment of the distance between the two sets of support shells 18. The support shell 18 squeezes the workpiece. The telescopic rod 21 is connected to another set of clamping components. The support shell 18 limits the inner workpiece, the electric push rod 19 extends to drive the clamping plate 20 at one end to move, and the clamping plate 20 is against the outer surface of the workpiece for clamping the workpiece. The operation of the motor 17 drives the output end support shell 18 to rotate, and the rotation of the support shell 18 drives the workpiece to rotate, which is convenient for the comprehensive spraying of the magnetic suspension. A movable opening 27 is provided on the top of the support box 1. The movable opening 27 is used to guide the falling magnetic suspension into the interior of the guide cover 4. The guide cover 4 collects the magnetic suspension in a centralized manner, and the guide cover 4 transfers the collected magnetic suspension to the interior of the storage barrel 5 to realize the recycling and reuse of the magnetic suspension.

[0034] It will be apparent 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 characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A magnetic particle flaw detector with a protective structure, characterized in that: The invention comprises: a support box (1), a protection box (3) is installed on the top of the support box (1), a movable opening (27) is opened on the top of the support box (1), a guide cover (4) is installed on the inner side of the top of the support box (1), a storage barrel (5) is installed on the inner bottom of the support box (1), an injection port (6) is installed on the top of the storage barrel (5), and the injection port (6) is located in front of the guide cover (4), a suction pipe (7) is installed through the rear wall of the storage barrel (5), a transmission pump (8) is installed at the rear end of the suction pipe (7), a transmission pipe (9) is installed at the output end of the transmission pump (8), the transmission pipe (9) penetrates the rear wall of the support box (1), the transmission pipe (9) penetrates the rear wall of the protection box (3), and a spray nozzle (10) is installed at the top end of the transmission pipe (9).

2. The magnetic particle flaw detector with a protective structure according to claim 1, characterized in that: An assembly shell (11) is installed on the inner side of the top of the protection box (3), a screw rod (12) is installed on the inner side of the assembly shell (11), a control motor (13) is installed on one side of the assembly shell (11), the output end of the control motor (13) is connected to one end of the screw rod (12), an assembly part (14) is movably installed on the outer side of the screw rod (12) through a thread, a guide groove is opened at the bottom of the assembly shell (11), the assembly part (14) passes through the inner side of the guide groove, and the spray nozzle (10) passes through the bottom end of the assembly part (14).

3. The magnetic particle flaw detector with a protective structure according to claim 1, characterized in that: A support frame (22) is installed on the top of the support box (1), and two groups of support frames (22) are respectively located in front of and behind the movable opening (27). A threaded rod (23) is installed on the inner side of the support frame (22), and one end of the threaded rod (23) is connected to a servo motor (24). The servo motor (24) is installed on the top of the support box (1). A moving ring (25) is installed on the outer side of the threaded rod (23) through a threaded movement, and a moving coil (26) is installed on the top of the moving ring (25).

4. The magnetic particle flaw detector with a protective structure according to claim 1, characterized in that: Two groups of mounting seats (16) are installed on the top of the support box (1), a motor (17) is installed inside the first group of mounting seats (16), and the output end of the motor (17) is connected to a clamping assembly through a connecting piece.

5. The magnetic particle flaw detector with a protective structure according to claim 4, characterized in that: A telescopic rod (21) is installed on the inner side of the second group of mounting seats (16), and a second group of clamping components is installed on one end of the telescopic rod (21).

6. The magnetic particle flaw detector with a protective structure according to claim 5, characterized in that: The clamping assembly comprises a support shell (18) mounted on one end of a telescopic rod (21); another set of support shells (18) is connected to the output end of a motor (17); an electric push rod (19) is installed through the inner wall of the support shell (18); and a clamping plate (20) is installed at one end of the electric push rod (19).

7. The magnetic particle flaw detector with a protective structure according to claim 1, characterized in that: A controller (15) is installed on the inner bottom wall of the support box (1), and the front surfaces of the support box (1) and the protection box (3) are connected to a door body (2) via hinges.

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