Nondestructive testing device for magnetic powder inspection

Abstract

The utility model discloses a magnetic powder inspection nondestructive testing device which comprises a bottom plate and universal wheels, first vertical plates are fixedly connected to the two ends of the upper portion of the bottom plate, a transverse plate is fixedly connected to the upper portions of the inner sides of the first vertical plates, a first box body and a pair of second vertical plates are fixedly connected to the upper portion and the lower portion of the transverse plate respectively, and screw rods are rotationally connected to the interiors of the second vertical plates; the outer wall of the screw rod is provided with a flaw detection mechanism, and a collecting mechanism is arranged above the bottom plate. According to the flaw detection nondestructive detection device, magnetic powder in the first box body can be sucked in through a pump machine, then the magnetic powder is discharged into the connecting ring through a pipeline, and the magnetic powder is sprayed out through a nozzle on the connecting ring; the output shaft of the first motor can drive the screw to perform regular reciprocating rotation, and the screw is matched with the transverse plate to drive the third vertical plate to move, so that the third vertical plate drives the connecting ring to perform reciprocating motion, and magnetic powder is uniformly scattered on the surface of a detected object, so that the labor intensity is reduced, and the flaw detection efficiency is relatively high.

Description

Technical Field

[0001] The utility model relates to the technical field of flaw detection non-destructive testing devices, and particularly relates to a magnetic particle flaw detection non-destructive testing device. Background Art

[0002] Non-destructive testing refers to the method of using the changes in heat, sound, light, electricity, magnetism, etc. caused by the abnormalities or defects in the internal structure of mechanical materials to detect the internal and surface structures, states, and types, quantities, shapes, properties, positions, sizes, distributions, and changes of defects of the test piece without damaging or affecting the performance of the object to be detected and without harming the internal tissues of the object to be detected. By means of physical or chemical methods, with the help of modern technologies and equipment, non-destructive testing is an essential and effective tool for industrial development. To a certain extent, it reflects the industrial development level of a country. The importance of non-destructive testing has been widely recognized. When using magnetic powder for non-destructive testing, a flaw detection device is generally used.

[0003] For example, a non-destructive testing magnetic particle flaw detection device with the publication number CN220671332U, which specifically relates to the technical field of flaw detection devices, includes a mounting plate. The magnetic powder can be directly sprinkled on the test object through the supply mechanism. Such a use method not only reduces the working pressure of the operator, but also enables the surface of the test object to be evenly sprinkled with magnetic powder.

[0004] For this non-destructive testing magnetic particle flaw detection device, the magnetic test object is moved to the connecting ring. When the nozzle of the connecting ring sprays out magnetic powder, this device is slowly moved to evenly sprinkle the magnetic disk on the surface of the test object. However, since there are many structures on this device, the whole is relatively heavy. As a result, the operator moves this device with one hand and holds the test object with the other hand, which not only has a relatively high labor intensity, but also has a relatively low flaw detection efficiency. At the same time, there is no structure for recycling magnetic powder in the above device. In this way, the excess magnetic powder sprayed out from the nozzle of the connecting ring will be wasted when it falls to the ground. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a magnetic particle flaw detection non-destructive testing device, which solves the problems of the existing non-destructive testing magnetic particle flaw detection device. Since there are many structures on the device, the whole is relatively heavy. The operator moves this device with one hand and holds the test object with the other hand, which not only has a relatively high labor intensity, but also has a relatively low flaw detection efficiency. At the same time, there is no structure for recycling magnetic powder in the above device. In this way, the excess magnetic powder sprayed out from the nozzle of the connecting ring will be wasted when it falls to the ground.

[0006] To achieve the above objectives, the present utility model is realized through the following technical solutions: A magnetic particle flaw detection non-destructive testing device includes a bottom plate and universal wheels. Universal wheels are fixedly connected to both ends below the bottom plate. First vertical plates are fixedly connected to both ends above the bottom plate, and a horizontal plate is fixedly connected above the inner side of the first vertical plates. A first box body and a pair of second vertical plates are fixedly connected above and below the horizontal plate respectively. A screw rod is rotatably connected inside the second vertical plates, and a flaw detection mechanism is installed on the outer wall of the screw rod. A collection mechanism is installed above the bottom plate.

[0007] Preferably, the flaw detection mechanism includes a third vertical plate threadedly connected to the middle outer wall of the screw rod. The upper outer wall of the third vertical plate is in clearance fit with the inner wall of the chute of the horizontal plate. A connecting ring is fixedly connected below the third vertical plate, and a plurality of nozzles are fixedly connected to the inner wall of the connecting ring. A first motor is connected to the right side of the screw rod, and a support plate is fixedly connected to the middle outer wall of the first motor. The right outer wall of the support plate is fixedly connected to the adjacent first vertical plate.

[0008] Preferably, a pump is fixedly connected to the lower left inner wall of the first box body. The discharge port of the pump is fixedly connected to a pipeline, and the other end of the pipeline penetrates through the first box body and is connected to the inside of the connecting ring.

[0009] Preferably, a cover body and an observation window are fixedly connected to the upper right surface and the front right surface of the first box body respectively.

[0010] Preferably, the collection mechanism includes a second box body fixedly connected to the upper surface of the bottom plate. A conveying auger is rotatably connected below the inside of the second box body through a pair of bearings. The left outer wall of the conveying auger is in clearance fit with the inner wall of the through hole of the adjacent first vertical plate. A second motor is connected to the left side of the conveying auger. A support plate is fixedly connected to the middle outer wall of the second motor. The outer wall of the support plate is fixedly connected to the outer wall of the adjacent first vertical plate. A discharge pipe is fixedly connected to the middle below the second box body. The outer wall of the discharge pipe is in clearance fit with the inner wall of the opening of the bottom plate.

[0011] Preferably, an electric push rod is fixedly connected to the left end inside the horizontal plate, and a flaw detector is fixedly connected to the lower surface of the electric push rod.

[0012] Beneficial effects

[0013] The present utility model provides a magnetic particle flaw detection non-destructive testing device, which has the following beneficial effects:

[0014] The test object to be flaw detected can be inserted through the opening of the left first vertical plate, and then the electric push rod and the flaw detector are started. The flaw detector is driven to move by the electric push rod to make the flaw detector contact with the test object. In this way, the test object can be magnetized by the long-term work of the flaw detector. Then, the magnetized test object is inserted into the opening of the connecting ring and the right first vertical plate. Then, the first motor and the pump are started. The pump can suck the magnetic powder in the first box body and discharge the magnetic powder into the connecting ring through the pipeline. Then, the magnetic powder is ejected through the nozzle on the connecting ring. At the same time, the output shaft of the first motor will drive the screw rod to rotate regularly and reciprocally. In this way, the screw rod and the cross plate can drive the third vertical plate to move, so that the third vertical plate drives the connecting ring to move reciprocally, and thus the magnetic powder can be evenly scattered on the surface of the test object. This not only reduces the labor intensity, but also has a relatively high flaw detection efficiency;

[0015] When performing magnetic particle flaw detection on the test object for non-destructive testing, the excess magnetic powder will fall into the second box body. Then, the second motor is started to drive the conveying auger to rotate by the output shaft of the second motor. Since the conveying auger is a bidirectional symmetric structure, the magnetic powder in the second box body can be driven to move towards the middle to collect the magnetic powder and then discharged through the discharge pipe, thus avoiding the waste of magnetic powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the present utility model.

[0017] Figure 2 is a plane cross-sectional view of the present utility model.

[0018] Figure 3 is a partially enlarged schematic view of the present utility model.

[0019] Figure 4 is a partially enlarged schematic view of the present utility model.

[0020] Figure 5 is a partially enlarged schematic view of the present utility model.

[0021] In the figure: 1, bottom plate; 2, universal wheel; 3, first vertical plate; 4, cross plate; 5, first box body; 6, second vertical plate; 7, screw rod; 8, third vertical plate; 9, connecting ring; 10, nozzle; 11, support plate; 12, first motor; 13, pump; 14, pipeline; 15, cover body; 16, observation window; 17, electric push rod; 18, flaw detector; 19, second box body; 20, conveying auger; 21, H-shaped plate; 22, second motor; 23, discharge pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] 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 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.

[0023] Please refer to Figures 1-5 , the present utility model provides a technical solution: a magnetic particle flaw detection non-destructive testing device, including a bottom plate 1 and universal wheels 2. Universal wheels 2 are fixedly connected to both ends below the bottom plate 1. First vertical plates 3 are fixedly connected to both ends above the bottom plate 1, and a cross plate 4 is fixedly connected above the inner side of the first vertical plates 3. A first box body 5 and a pair of second vertical plates 6 are fixedly connected above and below the cross plate 4 respectively. A screw rod 7 is rotatably connected inside the second vertical plates 6. A flaw detection mechanism is installed on the outer wall of the screw rod 7. A collection mechanism is installed above the bottom plate 1;

[0024] An opening can be processed inside the first vertical plate 6, which is convenient for the test object to pass through.

[0025] In this embodiment, it is further set that the flaw detection mechanism includes a third vertical plate 8 threadedly connected to the middle outer wall of the screw rod 7. The upper outer wall of the third vertical plate 8 is in clearance fit with the inner wall of the chute of the cross plate 4. A connecting ring 9 is fixedly connected below the third vertical plate 8, and a plurality of nozzles 10 are fixedly connected to the inner wall of the connecting ring 9. A first motor 12 is connected to the right side of the screw rod 7, and a support plate 11 is fixedly connected to the middle outer wall of the first motor 12. The right outer wall of the support plate 11 is fixedly connected to the adjacent first vertical plate 3;

[0026] A chute can be processed below the cross plate 4, so that the third vertical plate 8 can be limited by this chute. At the same time, the output shaft of the first motor 12 will drive the screw rod 7 to rotate regularly back and forth. In this way, the screw rod 7 cooperates with the cross plate 4 to drive the third vertical plate 8 to move, so that the third vertical plate 8 drives the connecting ring 9 to move back and forth, and thus the magnetic powder can be evenly sprinkled on the surface of the test object.

[0027] In this embodiment, it is further set that a pump 13 is fixedly connected to the left inner wall below the first box body 5. The discharge port of the pump 13 is fixedly connected to a pipeline 14, and the other end of the pipeline 14 penetrates the first box body 5 and is connected to the inside of the connecting ring 9;

[0028] The pump 13 can suck the magnetic powder in the first box body 5, then discharge the magnetic powder into the connecting ring 9 through the pipeline 14, and then spray the magnetic powder through the nozzles 10 on the connecting ring 9 to perform non-destructive testing magnetic particle flaw detection on the test object.

[0029] In this embodiment, it is further set that a cover body 15 and an observation window 16 are respectively fixedly connected to the right side of the upper surface and the right side of the front end surface of the first box body 5;

[0030] The cover body 15 and the observation window 16 can be respectively fixedly connected to the right side of the upper surface and the right side of the front end surface of the first box body 5, which is convenient for adding magnetic powder into the first box body 5.

[0031] In this embodiment, it is further set that the collection mechanism includes a second box body 19 fixedly connected to the upper surface of the bottom plate 1, and a conveying auger 20 is rotatably connected to the lower part inside the second box body 19 through a pair of bearings. The outer wall of the left end of the conveying auger 20 is in clearance fit with the inner wall of the through hole of the adjacent first vertical plate 3. A second motor 22 is connected to the left side of the conveying auger 20. An H-shaped plate 21 is fixedly connected to the outer wall of the middle of the second motor 22, and the outer wall of the H-shaped plate 21 is fixedly connected to the outer wall of the adjacent first vertical plate 3. A discharge pipe 23 is fixedly connected to the middle of the lower part of the second box body 19, and the outer wall of the discharge pipe 23 is in clearance fit with the inner wall of the opening of the bottom plate 1;

[0032] The second motor 22 can be started to drive the conveying auger 20 to rotate by the output shaft of the second motor 22. Since the conveying auger 20 has a bidirectional symmetric structure, the magnetic powder in the second box body 19 can be driven to move towards the middle, the magnetic powder is collected, and then discharged through the discharge pipe 23, thus avoiding waste of magnetic powder.

[0033] In this embodiment, it is further set that an electric push rod 17 is fixedly connected to the inside of the left end of the cross plate 4, and a flaw detector 18 is fixedly connected to the lower surface of the electric push rod 17;

[0034] The electric push rod 17 and the flaw detector 18 can be started, and the flaw detector 18 is driven to move by the electric push rod 17 to make the flaw detector 18 contact the object to be detected. In this way, the object to be detected can be magnetized by the long-term work of the flaw detector 18, which is convenient for spraying magnetic powder on the object to be detected.

[0035] It should be noted that for the electrical structures and the like involved in this application, their models can be selected according to the needs of users, only need to meet the usage requirements of this application. At the same time, their corresponding control circuits and the like are all existing technologies, and those skilled in the art can fully implement them, so no more details will be described.

[0036] Through those skilled in the art, the components in this case are connected in sequence. For the specific connection and operation sequence, reference should be made to the following working principle. The detailed connection means are well-known technologies in the art. The following mainly introduces the working principle and process.

[0037] Embodiment: When this device needs to be used, the external power supplies and control circuits of each electrical structure can be turned on. Then, the object to be inspected is inserted through the opening of the first vertical plate 3 on the left side. Next, the electric push rod 17 and the flaw detector 18 are started. The electric push rod 17 drives the flaw detector 18 to move, making the flaw detector 18 contact with the object to be inspected. In this way, the object to be inspected can be magnetized through the long-term work of the flaw detector 18. Then, the magnetized object to be inspected is inserted through the openings of the connecting ring 9 and the first vertical plate 3 on the right side. Next, the first motor 12 and the pump 13 are started. The pump 13 can suck the magnetic powder in the first box body 5 and discharge the magnetic powder into the connecting ring 9 through the pipeline 14. Then, the magnetic powder is ejected through the nozzle 10 on the connecting ring 9. At the same time, the output shaft of the first motor 12 drives the screw rod 7 to rotate regularly in a reciprocating manner. In this way, the screw rod 7 cooperates with the cross plate 4 to drive the third vertical plate 8 to move, making the third vertical plate 8 drive the connecting ring 9 to move reciprocally, so that the magnetic powder can be evenly scattered on the surface of the object to be inspected. This not only reduces the labor intensity but also has a relatively high flaw detection efficiency.

[0038] When performing magnetic particle flaw detection on the object to be inspected for non-destructive testing, the excess magnetic powder will fall into the second box body 19. Then, the second motor 22 is started, and the output shaft of the second motor 22 drives the conveying auger 20 to rotate. Since the conveying auger 20 has a bidirectional symmetric structure, the magnetic powder in the second box body 19 can be driven to move towards the middle for collection and then discharged through the discharge pipe 23, thus avoiding waste of magnetic powder.

[0039] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or sequence between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising a..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the element.

[0040] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A magnetic particle flaw detection non-destructive testing device, comprising a bottom plate (1) and universal wheels (2), wherein both ends of the lower part of the bottom plate (1) are fixedly connected with universal wheels (2), and the characteristics are as follows: Above both ends of the bottom plate (1), first vertical plates (3) are fixedly connected, and above the inner sides of the first vertical plates (3), a cross plate (4) is fixedly connected. Above and below the cross plate (4), a first box body (5) and a pair of second vertical plates (6) are fixedly connected respectively. Inside the second vertical plates (6), a screw rod (7) is rotatably connected. A flaw detection mechanism is installed on the outer wall of the screw rod (7). Above the bottom plate (1), a collection mechanism is installed.

2. The magnetic particle flaw detection non-destructive testing device according to claim 1, characterized in that, The flaw detection mechanism includes a third vertical plate (8) threadedly connected to the middle outer wall of the screw rod (7). The upper outer wall of the third vertical plate (8) is in clearance fit with the inner wall of the chute of the cross plate (4). Below the third vertical plate (8), a connecting ring (9) is fixedly connected, and several nozzles (10) are fixedly connected to the inner wall of the connecting ring (9). On the right side of the screw rod (7), a first motor (12) is connected. On the middle outer wall of the first motor (12), a support plate (11) is fixedly connected, and the right outer wall of the support plate (11) is fixedly connected to the adjacent first vertical plate (3).

3. A magnetic particle flaw detection non-destructive testing device according to claim 1, characterized in that, On the lower left inner wall of the first box body (5), a pump (13) is fixedly connected. The discharge port of the pump (13) is fixedly connected to a pipeline (14), and the other end of the pipeline (14) penetrates through the first box body (5) and is connected to the inside of the connecting ring (9).

4. A magnetic particle flaw detection non-destructive testing device according to claim 1, characterized in that, On the upper right surface and the front right surface of the first box body (5), a cover body (15) and an observation window (16) are fixedly connected respectively.

5. A magnetic particle flaw detection non-destructive testing device according to claim 1, characterized in that, The collection mechanism includes a second box body (19) fixedly connected to the upper surface of the bottom plate (1). Inside the second box body (19), a conveying auger (20) is rotatably connected through a pair of bearings. The left outer wall of the conveying auger (20) is in clearance fit with the inner wall of the through hole of the adjacent first vertical plate (3). On the left side of the conveying auger (20), a second motor (22) is connected. On the middle outer wall of the second motor (22), an H-shaped plate (21) is fixedly connected, and the outer wall of the H-shaped plate (21) is fixedly connected to the outer wall of the adjacent first vertical plate (3). In the middle below the second box body (19), a discharge pipe (23) is fixedly connected, and the outer wall of the discharge pipe (23) is in clearance fit with the inner wall of the opening of the bottom plate (1).

6. The non-destructive testing device for magnetic particle flaw detection according to claim 1, wherein Inside the left end of the cross plate (4), an electric push rod (17) is fixedly connected, and on the lower surface of the electric push rod (17), a flaw detector (18) is fixedly connected.

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