CN211014119U

CN211014119U - Round steel magnetic powder flaw detection magnetizing device

Info

Publication number: CN211014119U
Application number: CN201921941703.9U
Authority: CN
Inventors: 宗守国
Original assignee: Suzhou Cixing Testing Equipment Co ltd
Current assignee: Suzhou Cixing Testing Equipment Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-07-14
Anticipated expiration: 2029-11-11

Abstract

The utility model provides a round steel magnetic particle inspection adds magnetic device, it includes: the first magnetic pole group comprises two first magnetic poles which are opposite in position; a second magnetic pole group; the second magnetic pole group comprises two second magnetic poles which are opposite in position, and the central connecting line of the two first magnetic poles is perpendicular to the central connecting line of the two second magnetic poles. This round steel magnetic particle inspection adds magnetic device sets up two sets of invariable magnetic pole groups of fixed position, and two sets of magnetic pole group mutually perpendicular, when carrying out magnetic particle inspection and examining like this, two magnetic pole groups of accessible detect a flaw the detection to the horizontal position and the longitudinal position of round steel respectively, adopt this kind of mode, material and magnetic pole all need not to rotate, consequently whole device stability more, can improve the straight line feed-in speed of material like this by a wide margin, effectively improve the detection speed of material, improve work efficiency.

Description

Round steel magnetic powder flaw detection magnetizing device

Technical Field

The utility model relates to a magnetic particle inspection device, in particular to add the device of magnetism to steel when detecting a flaw for cylindrical steel specially.

Background

The magnetic powder flaw detection test is suitable for flaw detection of the surface of cylindrical steel materials such as steel pipes and shafts of automobiles, and in the magnetic powder flaw detection test, a magnetic powder solution containing magnetic powder is applied to the surface of an object to be detected, and measures such as applying a magnetic field to the object to be detected are taken to magnetize the object to be detected. When a flaw such as a crack exists on the surface of the magnetized inspection object, magnetic flux leaks from the flaw, and the magnetic powder is attracted by the leakage flux to form an indication pattern made of the magnetic powder. Then, by observing this magnetic powder indicating pattern, the flaw is inspected.

The current commonly used magnetic powder inspection method consists of a magnetization process, a dispersion process, an observation process and a demagnetization process; in the magnetizing step, a direct current is applied to a current penetration electrode inserted into a hole of a material to be inspected made of a magnetic material in which a hole penetrating in a thickness direction is formed, and an alternating current is applied to a magnetizing coil disposed to face both side surfaces of the material to be inspected to magnetize the material to be inspected; in the spreading step, magnetic powder liquid is spread on the surface of the material to be detected; in the observation step, the presence or absence of magnetic powder adhering to the material to be inspected is observed; in the demagnetization step, the test material is demagnetized.

The detection of the existing round steel materials such as steel pipes and steel bars is simultaneously carried out by rotating detected objects to carry out magnetic treatment, in the detection process, the detected round steel needs to be fed in a rotating mode, the feeding speed is low, the detection efficiency is low, and the production requirement is difficult to meet, so that the existing round steel magnetizing device needs to be further improved, and the detection efficiency of the round steel is improved.

SUMMERY OF THE UTILITY MODEL

In view of the above shortcoming of prior art, the utility model aims to provide a can realize at the magnetic particle inspection in-process that the round steel adds magnetic device fast.

For realizing above-mentioned purpose and other relevant purposes, the utility model discloses a round steel magnetic particle inspection adds magnetic device, and it includes: the first magnetic pole group comprises two first magnetic poles which are opposite in position; a second magnetic pole group; the second magnetic pole group comprises two second magnetic poles which are opposite in position, and the central connecting line of the two first magnetic poles is vertical to the central connecting line of the two second magnetic poles; the first magnetic powder spraying mechanism is arranged between the two first magnetic poles and is used for spraying magnetic powder liquid on the surface of the round steel passing through the first magnetic pole group; the second magnetic powder spraying mechanism is arranged between the two second magnetic poles and is used for spraying magnetic powder liquid on the surface of the round steel passing through the second magnetic pole group; the first image acquisition system comprises a plurality of first cameras, and the first cameras are used for shooting the round steel magnetized by the first magnetic pole group; the second image acquisition system comprises a plurality of second cameras, and the second cameras are used for shooting the round steel magnetized by the second magnetic pole group; along round steel direction of delivery, first magnetic pole group, first image acquisition system, second magnetic pole group, second image acquisition system arrange in proper order.

Preferably, the two first magnetic poles of the first magnetic pole group are longitudinally distributed, and the two second magnetic poles of the second magnetic pole group are transversely distributed.

Preferably, the two first magnetic poles of the first magnetic pole group are connected with a first driving mechanism, and the first driving mechanism drives the two first magnetic poles to move synchronously in the same direction or in the opposite direction.

Preferably, the two second magnetic poles of the second magnetic pole group are connected with a second driving mechanism, and the second driving mechanism drives the two second magnetic poles to move synchronously in the same direction or in the opposite direction.

Preferably, the plurality of first cameras of the first image acquisition system are connected with a third driving mechanism, and the third driving mechanism can drive the plurality of first cameras to synchronously move in the same direction or in the opposite direction.

Preferably, the plurality of second cameras of the second image acquisition system are connected with a fourth driving mechanism, and the fourth driving mechanism can drive the plurality of second cameras to synchronously move in the same direction or in the opposite direction.

Preferably, the first magnetic pole group, the first image acquisition system, the second magnetic pole group and the second image acquisition system are fixed on a frame, and a lifting mechanism is arranged at the bottom of the frame.

Preferably, an annular wind cutter is arranged between the second magnetic powder spraying mechanism and the second image acquisition system.

As mentioned above, this round steel magnetic particle inspection adds magnetic device has following beneficial effect: this round steel magnetic particle inspection adds magnetic device sets up two sets of invariable magnetic pole groups of fixed position, and two sets of magnetic pole group mutually perpendicular, when carrying out magnetic particle inspection and examining like this, two magnetic pole groups of accessible detect a flaw the detection to the horizontal position and the longitudinal position of round steel respectively, adopt this kind of mode, material and magnetic pole all need not to rotate, consequently whole device stability more, can improve the straight line feed-in speed of material like this by a wide margin, effectively improve the detection speed of material, improve work efficiency.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a side view of an embodiment of the present invention.

Fig. 3 is a schematic structural view (longitudinal distribution) of the first magnetic pole group.

Fig. 4 is a rear view of the first pole group.

Fig. 5 is a schematic structural diagram of the second magnetic pole group.

Fig. 6 is a schematic structural diagram of a driving mechanism of the camera.

Element number description: 1. A frame; 2. a first magnetic pole group; 21. a first magnetic pole; 22. a drive motor 23, a transmission chain; 24. a drive chain; 25. a screw rod; 3. a first magnetic powder liquid spraying mechanism; 4. a first image acquisition system; 41. a camera; 42. a motor; 43. a screw rod; 5. a second magnetic pole group; 51. a second magnetic pole; 52. a slide rail; 6. a second magnetic powder liquid spraying mechanism; 7. a second image acquisition system; 8. a lifting mechanism; 9 annular wind cutting.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 6. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

As shown in fig. 1 and 2, the utility model provides a round steel magnetic particle inspection adds magnetic device, it includes frame 1, be equipped with first magnetic pole group 2 in frame 1, first magnetic sprays mechanism 3, first image acquisition system 4, second magnetic pole group 5, second magnetic sprays mechanism 6 and second image acquisition system 7, first magnetic pole group 2, first magnetic spray mechanism 3, first image acquisition system 4, second magnetic pole group 5, second magnetic sprays mechanism 6 and second image acquisition system 7 and all fixes in the frame through the fixed establishment to. Along round steel direction of delivery, first magnetic pole group 2, first magnetic spray mechanism 3, first image acquisition system 4, second magnetic pole group 5, second magnetic spray mechanism 6 and second image acquisition system 7 arrange in proper order.

The first magnetic pole group 2 comprises two first magnetic poles 21 which are opposite in position, the second magnetic pole group 5 comprises two second magnetic poles 51 which are opposite in position, and the central connecting line of the two first magnetic poles 21 is perpendicular to the central connecting line of the two second magnetic poles 51. In one embodiment, the two first magnetic poles 21 of the first magnetic pole group 2 are arranged vertically in the longitudinal direction, and the two second magnetic poles 51 of the second magnetic pole group 5 are arranged laterally left and right in the horizontal direction. By adopting the structure, the transverse position and the longitudinal position of the round steel can be respectively magnetized through the first magnetic pole group 2 and the second magnetic pole group 5.

The first magnetic powder spraying mechanism 3 is arranged between the two first magnetic poles 21, and the first magnetic powder spraying mechanism 3 is used for spraying magnetic powder liquid on the surface of the round steel passing through the first magnetic pole group; the second magnetic powder spraying mechanism 6 is arranged between the two second magnetic poles 51, and the second magnetic powder spraying mechanism 6 is used for spraying magnetic powder liquid on the surface of the round steel passing through the second magnetic pole group 5. The first magnetic powder spraying mechanism 3 and the second magnetic powder spraying mechanism 6 are mainly composed of a pipeline, a spray head, a water pump and other parts and have the function of spraying magnetic powder liquid to the surface of the round steel. And in order to guarantee that the magnetic powder liquid is even on the surface of the round steel, the second magnetic powder spraying mechanism 6 and the second image acquisition system 7 can be provided with the annular air cutter 9, the magnetic powder liquid on the surface of the round steel is uniformly blown through the annular air cutter 9, and therefore a better detection effect can be achieved.

The first image acquisition system 4 comprises a plurality of first cameras 41, and the plurality of first cameras 41 are used for shooting the round steel magnetized by the first magnetic pole group; two magnetic pole longitudinal arrangement's of first magnetic pole group mode, it can magnetize the horizontal position of the round steel through this magnetic pole group, and first magnetic sprays the shower nozzle of mechanism 3 and also should transversely set up and spray on the horizontal position of round steel, and first camera 41 on the first image acquisition system 4 mainly used shoots the horizontal position of round steel, and with picture upload control system, judge whether the round steel has the flaw, and first camera 41 should install the position that is close to the round steel horizontal position. The second image acquisition system 5 includes a plurality of second cameras in the same way, and a plurality of second cameras are used for shooting the round steel after the magnetization of second magnetic pole group. To the mode that two magnetic poles of second magnetic pole group transversely arranged, it can magnetize the vertical position of the round steel through this magnetic pole group, and the shower nozzle that second magnetic sprays mechanism 6 should also vertically set up and spray on the vertical position of round steel, and the second camera on the second image acquisition system 7 mainly used shoots the vertical position of round steel to pass control system on the photo, judge whether the round steel has the flaw. The second camera should be installed in a position close to the longitudinal position of the round steel.

Since the diameter of the round steel to be detected is different, in order to be used with round steel with different diameters, the distance between the two first magnetic poles 21 of the first magnetic pole group 2 and the two second magnetic poles 51 of the second magnetic pole group 5 can be adjusted. The cameras of the first image capturing system 4 and the second image capturing system 7 should also be capable of synchronous movement in the same direction or in opposite directions.

As shown in fig. 3 and 4, the two first magnetic poles 21 of the first magnetic pole group 2 are connected to a first driving mechanism, and the first driving mechanism drives the two first magnetic poles to move synchronously in the same direction or in the opposite direction. The first driving mechanism comprises a driving motor 22, the driving motor 22 is in transmission connection with a screw rod 25, positive and negative threads are arranged at two ends of the screw rod 25 and are in threaded connection with the mounting plates of the two first magnetic poles 21 respectively, and thus the driving motor 22 can drive the mounting plates of the two first magnetic poles 21 to synchronously move in the same direction or in the opposite direction by rotation. In order to make the two first magnetic poles 21 move more stably, the first driving mechanism further comprises

transmission chains

23 and 24, one end of the transmission chain 23 is fixed on the first magnetic pole 21 below, the other end of the transmission chain is fixed on the other end of the first magnetic pole 21 above, two ends of the transmission chain 24 are respectively connected with two ends of the first magnetic pole 21 below, the

transmission chains

23 and 24 are supported on chain wheels, when the driving motor 22 rotates to drive the two first magnetic poles to move upwards or downwards through the screw rod, the

transmission chains

23 and 24 can respectively drive the two first magnetic poles 21 to move upwards or downwards, and therefore the movement of the first magnetic poles 21 is more stable.

As shown in fig. 5, the two second magnetic poles 51 of the second magnetic pole group 5 are connected to a second driving mechanism, and the second driving mechanism drives the two second magnetic poles to move synchronously in the same direction or in the opposite direction. The second driving mechanism comprises a driving cylinder and a slide rail 52, the second magnetic pole 52 is connected with the slide rail 52 in a sliding mode through a slide block, and the two driving cylinders or a lead screw motor respectively push the slide blocks of the two second magnetic poles 51 to move on the slide rail 52, so that the same-direction or back-direction synchronous movement of the second magnetic poles 51 can be realized.

As shown in fig. 6, the position adjusting device for the first camera 41 includes a motor 42 and a screw rod 43, the motor 42 is connected to the screw rod 43, and a mounting seat of the first camera 41 is in threaded connection with the screw rod 43, so that the first camera 41 can be driven to move back and forth along the screw rod direction by the rotation of the motor 42, and the first camera 41 can synchronously move in the same direction or in the opposite direction in the whole system. The structure of the second image capturing system 7 is substantially similar to that of the first image capturing system 4, except that the position of the camera is different, and therefore will not be described in detail.

This round steel magnetic particle inspection adds magnetic device sets up two sets of invariable magnetic pole groups of fixed position, and two sets of magnetic pole group mutually perpendicular, is carrying out magnetic particle inspection like this and is examining time measuring, and two magnetic pole groups of accessible are detected a flaw to the horizontal position and the vertical position of round steel respectively and are detected, adopt this kind of mode, and the material need not to select with the magnetic pole, so whole device stability more, can improve the straight line feed-in speed of material so by a wide margin, effectively improve the detection speed of material, improve work efficiency. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a round steel magnetic particle inspection adds magnetic device which characterized in that, it includes:

the first magnetic pole group comprises two first magnetic poles which are opposite in position;

a second magnetic pole group; the second magnetic pole group comprises two second magnetic poles which are opposite in position, and the central connecting line of the two first magnetic poles is vertical to the central connecting line of the two second magnetic poles;

the first magnetic powder spraying mechanism is arranged between the two first magnetic poles and is used for spraying magnetic powder liquid on the surface of the round steel passing through the first magnetic pole group;

the second magnetic powder spraying mechanism is arranged between the two second magnetic poles and is used for spraying magnetic powder liquid on the surface of the round steel passing through the second magnetic pole group;

the first image acquisition system comprises a plurality of first cameras, and the first cameras are used for shooting the round steel magnetized by the first magnetic pole group;

the second image acquisition system comprises a plurality of second cameras, and the second cameras are used for shooting the round steel magnetized by the second magnetic pole group;

along round steel direction of delivery, first magnetic pole group, first image acquisition system, second magnetic pole group, second image acquisition system arrange in proper order.

2. The round steel magnetic powder inspection magnetizing device according to claim 1, characterized in that: two first magnetic poles of the first magnetic pole group are longitudinally distributed, and two second magnetic poles of the second magnetic pole group are transversely distributed.

3. The round steel magnetic powder inspection magnetizing device according to claim 1, characterized in that: the two first magnetic poles of the first magnetic pole group are connected with a first driving mechanism, and the first driving mechanism drives the two first magnetic poles to synchronously move in the same direction or in the opposite direction.

4. The round steel magnetic powder inspection magnetizing device according to claim 1, characterized in that: and the two second magnetic poles of the second magnetic pole group are connected with a second driving mechanism, and the second driving mechanism drives the two second magnetic poles to synchronously move in the same direction or in the opposite direction.

5. The round steel magnetic powder inspection magnetizing device according to claim 1, characterized in that: the multiple first cameras of the first image acquisition system are connected with a third driving mechanism, and the third driving mechanism can drive the multiple first cameras to synchronously move in the same direction or in the opposite direction.

6. The round steel magnetic powder inspection magnetizing device according to claim 1, characterized in that: and the plurality of second cameras of the second image acquisition system are connected with a fourth driving mechanism, and the fourth driving mechanism can drive the plurality of second cameras to synchronously move in the same direction or in the opposite direction.

7. The round steel magnetic powder inspection magnetizing device according to claim 1, characterized in that: the first magnetic pole group, the first image acquisition system, the second magnetic pole group and the second image acquisition system are fixed on a rack, and a lifting mechanism is arranged at the bottom of the rack.

8. The round steel magnetic powder inspection magnetizing device according to claim 1, characterized in that: and an annular wind cutter is arranged between the second magnetic powder spraying mechanism and the second image acquisition system.