A continuous magnetization portable magnetic particle instrument

By designing the moving mechanism and spraying system of the continuous magnetization portable magnetic particle analyzer, the problem of uneven spraying of magnetic suspension was solved, and uniform spraying and agitation of magnetic suspension were achieved during the detection process, thereby improving the detection effect and the portability of the equipment.

CN115876871BActive Publication Date: 2025-10-17NINGBO SPECIAL EQUIP INSPECTION & RES INST
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Patent Information

Application Number
CN202211613709.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-15
Publication Date
2025-10-17
Estimated Expiration
2042-12-15

AI Technical Summary

Technical Problem

Existing magnetic particle analyzers have poor magnetic suspension spraying effects, making it difficult to maintain a wetted state within the effective magnetization area, which affects the formation of defect magnetic traces.

Method used

A portable magnetic particle analyzer with continuous magnetization was designed. The magnetic suspension is uniformly sprayed and agitated through the moving mechanism and spraying mechanism inside the storage shell. The mechanism includes the cooperation of the moving shaft, rotating shaft, lifting screen plate and spraying shell to ensure that the magnetic suspension is uniformly sprayed and agitated during the detection process. Combined with the delivery pump and atomizing nozzle, the magnetic suspension can be continuously sprayed and the angle can be adjusted.

Benefits of technology

It achieves uniform spraying and agitation of magnetic suspension during the detection process, ensuring the stability and efficiency of the detection results, and the equipment is easy to carry and use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN115876871B_ABST
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Abstract

The present application relates to the technical fields of magnetic particle instrument, in order to solve the problem of poor spraying effect of the existing magnetic particle instrument, a kind of continuous magnetization portable magnetic particle instrument is disclosed, including storage shell, the top opening of storage shell is provided with movable cover, the bottom of storage shell is provided with movable mechanism.The present application uses, reciprocating lifting net plate agitates the magnetic suspension in storage shell, ensures that the concentration of sprayed magnetic suspension is uniform, and simultaneously the end of the top rod far from the lifting net plate reciprocating top first side wing, realize the stirring of the spraying shell, that is, in the detection process, with the advancement of cross magnetic yoke magnetization detector, lifting net plate agitates the magnetic suspension in storage shell automatically, while spraying shell drives atomizing nozzle also reciprocating rotation, change the spraying angle of magnetic suspension, and the storage shell, cross magnetic yoke magnetization detector and atomizing nozzle are integrated, it is convenient to carry, and it is convenient, efficient to use.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of magnetic particle instrument, and particularly relates to a continuous magnetization portable magnetic particle instrument. BACKGROUND

[0002] The magnetic particle flaw detection is a common means for testing the surface or near-surface defects of ferromagnetic materials in the field of nondestructive testing, and has high detection sensitivity and simple and reliable process. In the current field detection, the wet detection is widely applied. In the steps of the wet detection, the surface of the workpiece needs to be wetted by the magnetic suspension first, and the spraying of the suspension is very important, and the wetting state must be maintained in the effective magnetization area at all times to facilitate the formation of defect magnetic marks. However, the existing magnetic particle instrument has the problem of poor spraying effect of the magnetic suspension in use. SUMMARY

[0003] The present application relates to the technical field of magnetic particle instrument, and particularly relates to a continuous magnetization portable magnetic particle instrument.

[0004] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0005] A continuous magnetization portable magnetic particle instrument, comprising a storage shell, a movable cover is arranged at the top opening of the storage shell, a movable mechanism is arranged at the bottom of the storage shell, and the movable mechanism is used for driving the storage shell to move at a constant speed on a workpiece to be detected, a cross magnetic yoke magnetization inspection instrument is installed on the bottom of the storage shell through a mounting mechanism, and the cross magnetic yoke magnetization inspection instrument is used for inspecting the workpiece; a second mounting plate is installed on the bottom of the storage shell; the movable mechanism comprises a movable shaft movably installed on the side surface of the second mounting plate, a movable wheel is installed on the movable shaft, and a driving component for driving the movable shaft to rotate is further included; a rotating shaft is installed at one end of the movable shaft, and first protrusions are arranged at the side surface of the rotating shaft at intervals; a lifting mesh plate is installed in the storage shell through a spring, a lifting rod is installed at the bottom of the lifting mesh plate and arranged vertically, and the position of the one end of the lifting rod extending to the outside of the storage shell corresponds to the position of the first protrusions; a spraying mechanism is further included, and the spraying mechanism is used for spraying the workpiece with a magnetic suspension; two mounting seats are installed on the bottom of the storage shell, the spraying mechanism comprises a spraying shell movably installed between the two mounting seats, and atomizing nozzles are installed on the side surface of the spraying shell; a conveying pump is further included, and the conveying pump is used for conveying the magnetic suspension in the storage shell to the spraying shell; first side wings and second side wings are respectively installed on the two sides of the spraying shell; the side surface of the second side wings is connected to the outer wall of the storage shell through a return spring; a vertical top driving rod is installed at the bottom of the lifting mesh plate, and the position of the one end of the top driving rod extending to the outside of the storage shell corresponds to the position of the side surface of the first side wings, and the top driving rod is used for reciprocally driving the first side wings with the reciprocating lifting of the lifting mesh plate.

[0006] Preferably, a speed monitor is further included, and the speed monitor is used for monitoring the forward speed of the cross magnetic yoke magnetization inspection instrument; and a controller is further included.

[0007] Preferably, the two mounting seats are provided with a same fixing shaft on opposite sides; the fixing shaft is horizontally arranged, and the fixing shaft is provided with an agitating wing on the side in the spraying shell, which is used for agitating the magnetic suspension liquid in the spraying shell during the reciprocating rotation of the spraying shell caused by the first wing being pushed by the push rod.

[0008] Preferably, the inner wall of the spraying shell is provided with a second protrusion, which is used for driving the magnetic suspension liquid in the spraying shell to rotate with the spraying shell during the rotation of the spraying shell.

[0009] Preferably, the side of the second mounting plate is provided with a horizontally arranged first mounting plate, and the bottom of the first mounting plate is provided with a camera mechanism, which is used for shooting and observing the surface of the workpiece after the cross-magnetic-yoke magnetization inspection instrument inspects the workpiece.

[0010] Preferably, the mounting mechanism comprises a fixing shell mounted on the bottom of the storage shell, and the inside of the fixing shell is provided with an extension component through a spring; one end of the extension component extending to the outside of the fixing shell is connected with the side of the cross-magnetic-yoke magnetization inspection instrument.

[0011] Preferably, the vertical section of the spraying shell is a circular structure.

[0012] Preferably, the side of the first protrusion and the end of the lifting rod close to the movable shaft are both arc surfaces.

[0013] The present application has the following beneficial effects:

[0014] After the magnetic suspension is loaded into the storage shell, the movable cover seals the top opening of the storage shell, the driving part drives the movable wheel to rotate, thereby driving the storage shell to move at a constant speed on the workpiece to be detected, at the same time, the magnetic suspension in the storage shell is transported to the spraying shell by the transport pump, the magnetic suspension is sprayed on the surface of the workpiece in the forward direction of the storage shell by the transport pump, and as the storage shell moves forward, the rotating shaft is driven to rotate by the movable shaft, at this time, the first protrusion reciprocally contacts and jolts the lifting rod, so that the lifting mesh plate reciprocally moves up and down under the jolting action of the lifting rod and the elastic action of the spring, the reciprocally moving lifting mesh plate stirs the magnetic suspension in the storage shell, to ensure that the concentration of the sprayed magnetic suspension is uniform, and at the same time, the lifting mesh plate drives the jolting rod to reciprocally move up and down, the end of the jolting rod away from the lifting mesh plate reciprocally jolts the first side wing, to realize the jolting of the spraying shell, so that the spraying shell reciprocally rotates under the elastic action of the reset spring and the jolting action of the jolting rod, that is, during the detection process, as the cross-magnetic-yoke magnetization detector moves forward, the lifting mesh plate automatically stirs the magnetic suspension in the storage shell, at the same time, the spraying shell drives the atomizing nozzle to also reciprocally rotate, to change the spraying angle of the magnetic suspension, when the cross-magnetic-yoke magnetization detector stops moving forward, the lifting mesh plate stops moving up and down, the spraying shell and the transport pump also stop swinging, and the storage shell, the cross-magnetic-yoke magnetization detector and the atomizing nozzle are integrated, so that the portable magnetic powder detector is convenient to carry and use. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A structure diagram of a continuous magnetization portable magnetic powder detector is provided for the embodiment of the present application.

[0016] Figure 2 A movable mechanism and a storage shell side structure sectional view of a continuous magnetization portable magnetic powder detector are provided for the embodiment of the present application.

[0017] Figure 3 A Figure 1 A local structure enlarged view at A in the middle.

[0018] In the figure: 1-storage shell, 2-speed monitor, 3-controller, 4-stirring side wing, 5-fixed shaft, 6-lifting mesh plate, 7-spraying mechanism, 71-spraying shell, 72-transport pump, 73-atomizing nozzle, 8-mounting mechanism, 81-fixed shell, 82-extension part, 9-cross-magnetic-yoke magnetization detector, 10-movable mechanism, 101-movable shaft, 102-movable wheel, 103-driving part, 11-first protrusion, 12-lifting rod, 13-first mounting plate, 14-second mounting plate, 15-camera mechanism, 16-rotating shaft, 17-first side wing, 18-jolting rod, 19-reset spring, 20-second side wing, 21-movable cover, 22-mounting seat, 23-second protrusion. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application.

[0020] With reference to Figures 1 to 3 A continuous magnetization portable magnetic particle instrument, comprising a storage shell 1, an opening is arranged at the top of the storage shell 1, and a movable cover 21 is arranged at the opening, a movable mechanism 10 is arranged at the bottom of the storage shell 1, and the movable mechanism 10 is used for driving the storage shell 1 to move at a constant speed on a workpiece to be detected, a cross magnetic yoke magnetization inspection instrument 9 is installed on the bottom of the storage shell 1 through a mounting mechanism 8, and the cross magnetic yoke magnetization inspection instrument 9 is used for inspecting the workpiece; a second mounting plate 14 is installed on the bottom of the storage shell 1; the movable mechanism 10 comprises a movable shaft 101 movably installed on the side surface of the second mounting plate 14, a movable wheel 102 is installed on the movable shaft 101, and a driving component 103 for driving the movable shaft 101 to rotate is further included; a rotating shaft 16 is installed at one end of the movable shaft 101, and first protrusions 11 are arranged at the side surface of the rotating shaft 16 at intervals; a lifting mesh plate 6 is installed in the storage shell 1 through a spring, a lifting rod 12 vertically arranged at the bottom of the lifting mesh plate 6, and one end of the lifting rod 12 extending to the outside of the storage shell 1 corresponds to the position of the first protrusions 11; a spraying mechanism 7 is further included, and the spraying mechanism 7 is used for spraying magnetic suspension liquid on the workpiece; two mounting seats 22 are installed on the bottom of the storage shell 1, the spraying mechanism 7 comprises a spraying shell 71 movably installed between the two mounting seats 22, and atomizing nozzles 73 are installed on the side surface of the spraying shell 71; a conveying pump 72 is further included, and the conveying pump 72 is used for conveying the magnetic suspension liquid in the storage shell 1 to the spraying shell 71; first side wings 17 and second side wings 20 are respectively installed on the two sides of the spraying shell 71; the side surface of the second side wings 20 is connected with the outer wall of the storage shell 1 through a return spring 19, the return spring 19 limits and resets the rotation of the spraying shell 71, so that the spraying shell 71 reciprocates under the jacking action of a jacking rod 18, and the rotation amplitude of the spraying shell 71 is prevented from being too large to cause the spraying range of the atomizing nozzles 73 to be too large; the jacking rod 18 vertically arranged at the bottom of the lifting mesh plate 6 corresponds to the position of the side surface of the first side wings 17 at one end of the jacking rod 18 extending to the outside of the storage shell 1, and the jacking rod 18 is used for reciprocating the first side wings 17 with the reciprocating lifting of the lifting mesh plate 6.

[0021] After the magnetic suspension is loaded into the storage shell 1, the movable cover 21 seals the top opening of the storage shell 1, the driving part 103 drives the movable wheel 102 to rotate, and then drives the storage shell 1 to move at a constant speed on the workpiece to be detected, at the same time, the magnetic suspension in the storage shell 1 is transported to the spraying shell 71 by the transport pump 72, the magnetic suspension is sprayed on the surface of the workpiece in the forward direction of the storage shell 1 by the transport pump 72, and as the storage shell 1 moves forward, the rotating shaft 16 is driven to rotate by the movable shaft 101, the first protrusion 11 reciprocally contacts and pushes the lifting rod 12, so that the lifting mesh plate 6 reciprocally moves up and down under the pushing action of the lifting rod 12 and the elastic action of the spring, the reciprocally moving lifting mesh plate 6 stirs the magnetic suspension in the storage shell 1, to ensure that the concentration of the sprayed magnetic suspension is uniform, and at the same time, the lifting mesh plate 6 drives the pushing rod 18 to reciprocally move up and down, the end of the pushing rod 18 away from the lifting mesh plate 6 reciprocally pushes the first side wing 17, to realize the stirring of the spraying shell 71, so that the spraying shell 71 reciprocally rotates under the elastic action of the return spring 19 and the pushing action of the pushing rod 18, that is, during the detection process, as the cross-magnetic-yoke magnetization detector 9 moves forward, the lifting mesh plate 6 automatically stirs the magnetic suspension in the storage shell 1, at the same time, the spraying shell 71 also reciprocally rotates with the atomizing nozzle 73, to change the spraying angle of the magnetic suspension, when the cross-magnetic-yoke magnetization detector 9 stops moving forward, the lifting mesh plate 6 stops moving up and down, the spraying shell 71 and the transport pump 72 also stop swinging, and the storage shell 1, the cross-magnetic-yoke magnetization detector 9 and the atomizing nozzle 73 are integrated, which is convenient to carry and use.

[0022] As a preferred embodiment of the present application, a speed monitor 2 is further included for monitoring the forward speed of the cross-magnetic-yoke magnetization detector 9, and a controller 3 is further included, when the speed monitor 2 monitors that the forward speed of the cross-magnetic-yoke magnetization detector 9 is too fast, the controller 3 controls the rotating speed of the output shaft of the driving part 103, to realize the deceleration of the storage shell 1, and when the speed monitor 2 monitors that the storage shell 1 stops, the controller 3 controls the transport pump 72 to be closed, when the speed monitor 2 monitors that the storage shell 1 moves forward, the controller 3 controls the transport pump 72 to be opened, that is, the spraying of the magnetic suspension is realized at the same time when the cross-magnetic-yoke magnetization detector 9 starts to detect, and the spraying of the magnetic suspension is stopped at the same time when the cross-magnetic-yoke magnetization detector 9 stops to detect, to ensure that the magnetic suspension is sprayed uniformly and timely, and the detection effect is better.

[0023] As one preferred embodiment of the present application, one fixing shaft 5 is arranged on the opposite side of each of the two mounting seats 22; the fixing shaft 5 is horizontally arranged, and the agitating side wing 4 is arranged on the side of the fixing shaft 5 inside the spraying shell 71, so as to agitate the magnetic suspension liquid in the spraying shell 71 during the reciprocating rotation of the spraying shell 71 caused by the jolt of the first side wing 17 by the jolt rod 18. When the storage shell 1 stops for a long time, the magnetic suspension liquid in the spraying shell 71 may be precipitated due to the long stagnation, and the concentration of the magnetic suspension liquid in the spraying shell 71 is not uniform. When the storage shell 1 starts to move, the jolt rod 18 jolts the first side wing 17 along with the lifting of the lifting net plate 6, so that the spraying shell 71 rotates, and the fixed agitating side wing 4 moves relative to the spraying shell 71 and the magnetic suspension liquid in the spraying shell 71, so as to agitate the magnetic suspension liquid in the spraying shell 71, and avoid the situation that the magnetic suspension liquid in the spraying shell 71 cannot be effectively mixed when the storage shell 1 stops for a long time and then starts to move, and the concentration of the magnetic suspension liquid at the spraying position is not uniform.

[0024] As one preferred embodiment of the present application, the inner wall of the spraying shell 71 is provided with a second protrusion 23, which is used to drive the magnetic suspension liquid in the spraying shell 71 to rotate along with the rotation of the spraying shell 71 when the spraying shell 71 rotates, so as to ensure that the magnetic suspension liquid in the spraying shell 71 can effectively move relative to the agitating side wing 4 during the rotation of the spraying shell 71, and ensure that the agitating side wing 4 can effectively agitate the magnetic suspension liquid in the spraying shell 71 during the reciprocating rotation of the spraying shell 71.

[0025] As one preferred embodiment of the present application, the side of the second mounting plate 14 is provided with a horizontally arranged first mounting plate 13, and the bottom of the first mounting plate 13 is provided with a camera mechanism 15, which is used to take pictures of the surface of the workpiece after the inspection by the cross magnetic yoke magnetization inspection instrument 9.

[0026] As one preferred embodiment of the present application, the mounting mechanism 8 comprises a fixed shell 81 arranged at the bottom of the storage shell 1, and an extension part 82 is arranged inside the fixed shell 81 through a spring; one end of the extension part 82 extending to the outside of the fixed shell 81 is connected with the side of the cross magnetic yoke magnetization inspection instrument 9.

[0027] As one preferred embodiment of the present application, the vertical section of the spraying shell 71 is a circular structure.

[0028] As one preferred embodiment of the present application, the side of the first protrusion 11 and the end of the lifting rod 12 close to the movable shaft 101 are both arc surfaces.

[0029] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A continuous magnetization portable magnetic particle analyzer, comprising a storage housing, a movable cover provided at the top opening of the storage housing, and a movable mechanism provided at the bottom of the storage housing for driving the storage housing to advance at a constant speed on a workpiece to be inspected, characterized in that: A cross yoke magnetization tester is installed at the bottom of the material storage shell through a mounting mechanism for testing the workpiece; A second mounting plate is installed at the bottom of the storage shell; The movable mechanism includes a movable shaft movably mounted on the side of the second mounting plate, a movable wheel is mounted on the movable shaft, and also includes a driving component for driving the movable shaft to rotate; A rotating shaft is installed at one end of the movable shaft, and first protrusions are arranged at intervals on the side surface of the rotating shaft; A lifting mesh plate is installed inside the material storage shell through a spring, and a vertical lifting rod is installed at the bottom of the lifting mesh plate, and the position of one end of the lifting rod extending to the outside of the material storage shell corresponds to the position of the first protrusion; It also includes a spraying mechanism for spraying the magnetic suspension on the workpiece; Two mounting seats are installed at the bottom of the storage housing, and the spraying mechanism includes a spraying housing movably installed between the two mounting seats, and an atomizing nozzle is installed on the side of the spraying housing; It also includes a delivery pump for delivering the magnetic suspension in the storage housing to the spraying housing; A first side wing and a second side wing are respectively installed on both sides of the spray housing; The side surface of the second wing is connected to the outer wall of the storage housing via a return spring; A vertically arranged pushing rod is installed at the bottom of the lifting mesh plate. The pushing rod extends to one end outside the material storage shell and corresponds to the side position of the first side wing. It is used to push the first side wing back and forth as the lifting mesh plate rises and falls.

2. A continuous magnetization portable magnetic particle analyzer according to claim 1, characterized in that: Also included is a speed monitor for monitoring the forward speed of the cross-yoke magnetization tester; Also includes a controller.

3. A continuous magnetization portable magnetic particle analyzer according to claim 2, characterized in that: The same fixed shaft is installed on opposite sides of the two mounting seats; The fixed shaft is arranged horizontally, and a stirring wing is installed on the side of the fixed shaft inside the spray shell, which is used to stir the magnetic suspension in the spray shell when the pushing rod pushes the first wing to cause the spray shell to rotate back and forth.

4. The continuous magnetization portable magnetic particle analyzer according to claim 3, characterized in that: The inner wall of the spray shell is provided with a second protrusion, which is used to drive the magnetic suspension in the spray shell to rotate along with the rotation of the spray shell when the spray shell rotates.

5. The continuous magnetization portable magnetic particle analyzer according to claim 1, characterized in that: A horizontally arranged first mounting plate is mounted on the side of the second mounting plate, and a camera mechanism is mounted on the bottom of the first mounting plate for photographing and observing the surface of the workpiece after inspection by the cross yoke magnetization tester.

6. The continuous magnetization portable magnetic particle analyzer according to claim 1, characterized in that: The mounting mechanism comprises a fixed housing mounted on the bottom of the storage housing, wherein an extension component is mounted inside the fixed housing via a spring; One end of the extension component extending to the outside of the fixed shell is connected to the side surface of the cross yoke magnetization tester.

7. The continuous magnetization portable magnetic particle analyzer according to claim 1, characterized in that: The vertical cross-section of the spray shell is a circular structure.

8. The continuous magnetization portable magnetic particle analyzer according to claim 1, characterized in that: The side surface of the first protrusion and the end of the lifting rod close to the movable axis are both arc surfaces.

Citation Information

Patent Citations

  • Adjustable bandwidth closed-circuit magnetic yoke induced magnetization device

    CN102338771A

  • Magnetic suspension homogenizing device for nondestructive flaw detection

    CN112774535A