CN112162032A - Square billet angular crack eddy current detection device - Google Patents
Square billet angular crack eddy current detection device Download PDFInfo
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- CN112162032A CN112162032A CN202011123829.2A CN202011123829A CN112162032A CN 112162032 A CN112162032 A CN 112162032A CN 202011123829 A CN202011123829 A CN 202011123829A CN 112162032 A CN112162032 A CN 112162032A
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- probe
- square billet
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9013—Arrangements for scanning
- G01N27/902—Arrangements for scanning by moving the sensors
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses a square billet angular crack eddy current detection device which comprises a protective cover, wherein the protective cover is provided with a through feeding channel, and a purging device and a probe floating device are sequentially arranged in the protective cover along the feeding direction of a square billet; the probe floating device comprises a first mounting plate, a first driving piece for driving the first mounting plate to be close to/far away from the square billet, a second mounting plate, a second driving piece for driving the second mounting plate to be close to/far away from the square billet, at least one probe arranged on the second mounting plate and a third driving piece for driving the probe to be close to/far away from the square billet; the first mounting plate is driven by the first driving piece to move relative to the protective cover, and the second mounting plate is driven by the second driving piece to move relative to the first mounting plate. The invention fully automatically realizes the detection of the angle crack of the square billet and is suitable for the square billet with the distortion degree.
Description
Technical Field
The invention belongs to the technical field of flaw detection, and particularly relates to a square billet angular crack eddy current detection device.
Background
Until now, no device for detecting the square billet corner cracks is machined and manufactured in China. In actual operation, visual detection is carried out manually, the instability factor of manual detection is too many, and different manual detections easily cause inaccurate detection judgment, missing detection and inconsistent defect detection standards, so that each quality standard of the square billet is different, the processing quality of the next procedure is influenced, and the reject ratio is increased irregularly.
Disclosure of Invention
The invention mainly solves the technical problem of providing a square billet angular crack eddy current detection device, which can fully automatically realize the detection of the square billet angular crack and is suitable for square billets with skew degrees.
In order to solve the technical problems, the invention adopts a technical scheme that: a square billet angular crack eddy current detection device comprises a protective cover, wherein the protective cover is provided with a through feeding channel, and a purging device for cleaning the surface of a square billet and a probe floating device for detecting the surface defect of the square billet are sequentially arranged in the protective cover along the feeding direction of the square billet;
the probe floating device comprises a first mounting plate, a first driving piece for driving the first mounting plate to be close to/far away from the square billet, a second mounting plate, a second driving piece for driving the second mounting plate to be close to/far away from the square billet, at least one probe arranged on the second mounting plate and a third driving piece for driving the probe to be close to/far away from the square billet;
the first mounting plate is driven by the first driving piece to move relative to the protective cover, and the second mounting plate is driven by the second driving piece to move relative to the first mounting plate.
The invention adopts a further technical scheme for solving the technical problems that:
furthermore, the square billet.
Furthermore, the probe ranging device comprises a third mounting plate and a third roller, wherein the third mounting plate and the third roller are used for being connected with the probe in a mounting mode, the third roller is located at one end, close to the square billet, of the third mounting plate, and a height difference is formed between the lowest end of the third roller and the lowest end of the probe.
Further, the blowing device comprises an installation frame, a plurality of installation holes used for installing the air nozzle are formed in the installation frame, the air nozzle is connected with the vacuum pump through a pipeline, and a channel for the square billet to pass through is formed in the installation frame.
Furthermore, the probe floating device is provided with at least one group, and each group of probe floating devices is provided with 2 probe floating devices which are symmetrically arranged on the protective cover.
Furthermore, 3 probes are respectively a first probe, a second probe and a third probe, the second probe is positioned between the first probe and the third probe, the installation angle between the first probe and the second probe is 22 degrees, the installation angle between the second probe and the third probe is 22 degrees, and the view angle range formed by the first probe, the second probe and the third probe is matched with the radian of the square billet.
Further, say that first mounting panel is close to first roller bearing is installed to the one end of square billet, the second mounting panel is close to the second roller bearing is installed to the one end of square billet, first roller bearing with second roller bearing vertical distribution.
Further, the inner wall of safety cover is equipped with first slide rail, first mounting panel is relative one side of second mounting panel is equipped with the second slide rail, first slide rail with the second slide rail vertical distribution.
Furthermore, a first group of photoelectric sensors are arranged at the inlet end of the feeding channel, and a second group of photoelectric sensors are arranged at the outlet end of the feeding channel.
Further, the first driving member, the second driving member and the third driving member are all cylinders.
The invention has the beneficial effects that:
because the square billet has the distortion degree and cannot pass through the feeding channel in a straight line, the probe floating device ensures that the probe can follow up along with the distorted square billet, the posture of the probe is adjusted according to the shape of the square billet, and the distorted square billet can normally pass through and can be detected.
Probe floating installation guarantees the key that the probe can follow-up, and the cylinder is installed on first mounting panel, and when influencing because of the square billet is crooked, the probe can wrench movement, and the back of wrench movement, the power of probe can follow the cylinder and pass to first mounting panel on, first mounting panel will follow the change of probe and float to can guarantee not receive the damage when guaranteeing that the probe is close to the square billet.
Drawings
FIG. 1 is one of the schematic structural views (including a square billet) of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention;
FIG. 3 is a schematic view of a portion of the present invention;
FIG. 4 is a second partial schematic view of the present invention;
FIG. 5 is a schematic view of the probe floating device according to the present invention;
FIG. 6 is a second schematic view of the floating device of the probe of the present invention;
FIG. 7 is a third schematic view of the floating device of the probe of the present invention;
FIG. 8 is a schematic structural view of the mounting frame of the present invention;
the parts in the drawings are marked as follows:
the device comprises a protective cover 1, a feeding channel 2, a blowing device 3, a mounting frame 31, a mounting hole 32, a probe floating device 4, a first mounting plate 41, a first driving piece 42, a second mounting plate 43, a second driving piece 44, a probe 45, a third driving piece 46, a first roller 47, a second roller 48, a third mounting plate 5, a third roller 6, a first slide rail 7, a second slide rail 8, a first group of photoelectric sensors 9, a second group of photoelectric sensors 10, a square blank 11, a height difference H and a mounting angle alpha.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Example (b): a square billet angular cracking eddy current detection device is shown in figures 1-8 and comprises a protective cover 1, wherein the protective cover 1 is provided with a through feeding channel 2, and a purging device 3 for cleaning the surface of a square billet and a probe floating device 4 for detecting the surface defect of the square billet are sequentially arranged in the protective cover 1 along the feeding direction of the square billet;
the probe floating device 4 comprises a first mounting plate 41, a first driving member 42 for driving the first mounting plate 41 to approach/separate from the billet, a second mounting plate 43, a second driving member 44 for driving the second mounting plate 43 to approach/separate from the billet, at least one probe 45 mounted on the second mounting plate 43, and a third driving member 46 for driving the probe 45 to approach/separate from the billet;
the first mounting plate 41 is moved relative to the protective cover 1 by the first driving member 42, and the second mounting plate 43 is moved relative to the first mounting plate 41 by the second driving member 44.
The first driving member 42 is fixedly connected with the protection cover 1, and the second driving member 44 is fixedly connected with the first mounting plate 41.
Still include probe range unit, probe range unit with probe 45 is connected, third driving piece 46 drive probe range unit with probe 45 is close to/keeps away from simultaneously square billet.
The probe ranging device comprises a third mounting plate 5 and a third roller 6, wherein the third mounting plate 5 and the third roller 6 are connected with the probe 45 in an installing mode, the third roller 6 is located at one end, close to the square billet, of the third mounting plate 5, the lowest end of the third roller 6 and the lowest end of the probe 45 are provided with a height difference H, and the vertical distance is 1-1.5 mm.
The blowing device 3 comprises an installation frame 31, a plurality of installation holes 32 used for installing air nozzles are formed in the installation frame 31, the air nozzles are connected with a vacuum pump through pipelines, and a channel for allowing the square billets to pass through is formed in the installation frame 31.
The probe floating device 4 is provided with at least one group, each group of the probe floating devices 4 are provided with 2 probes, 4 are symmetrically arranged on the protective cover 1. In this embodiment, 2 probe floating devices 4 are installed in an up-down symmetrical manner.
The number of the probes 45 is 3, the probes are respectively a first probe, a second probe and a third probe, the second probe is located between the first probe and the third probe, the installation angle alpha between the first probe and the second probe is 22 degrees, the installation angle alpha between the second probe and the third probe is 22 degrees, and the view angle range formed by the first probe, the second probe and the third probe is matched with the radian of the square billet.
The inner wall of safety cover 1 is equipped with first slide rail 7, first mounting panel 41 is relative one side of second mounting panel 43 is equipped with second slide rail 8, first slide rail 7 with second slide rail 8 vertical distribution.
The inlet end of the feeding channel is provided with a first group of photoelectric sensors 9, and the outlet end of the feeding channel is provided with a second group of photoelectric sensors 10.
The first, second and third drivers 42, 44, 46 are all air cylinders.
The working principle of the invention is as follows:
when the device works, the upper and lower probe floating devices are automatically lifted before the square billet is fed, when one end of the square billet enters from the inlet end of the feeding channel, the first group of photoelectric sensors have signals, the blowing device starts to blow high-pressure air to the surface of the square billet to remove oil stains, dust and the like on the surface, when the second group of photoelectric sensors sense that one end of the square billet reaches the outlet end of the feeding channel, the first driving piece drives the first mounting plate to move relative to the protective cover so that the first rolling shaft is close to the surface of the square billet, then the second driving piece drives the second mounting plate to move relative to the first mounting plate so that the second rolling shaft is close to the surface of the square billet (the arrangement of the first rolling shaft and the second rolling shaft is convenient for the square billet to pass through in the feeding channel), and simultaneously the third driving piece drives the third rolling shaft to be close to the surface of the square billet so that the probes detect the surface of, when the third roller is attached to the surface of the square billet, the contact between the probes and the surface of the square billet can be effectively avoided, the probes are prevented from being damaged), the 3 probes detect the two sides of the corner part and the middle area of the corner part, after a defect signal is detected, the system has an audible and visual alarm to prompt an operator that the corner part is defective, and meanwhile, the system also stores the defect distribution condition of the corner crack of the material; after the second photoelectric switch has no signal, all the cylinders return to the original position.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a square billet angle crack eddy current testing device which characterized in that: the square billet feeding device comprises a protective cover (1), wherein the protective cover is provided with a through feeding channel (2), and a purging device (3) for cleaning the surface of a square billet and a probe floating device (4) for detecting the surface defect of the square billet are sequentially arranged in the protective cover along the feeding direction of the square billet;
the probe floating device comprises a first mounting plate (41), a first driving piece (42) for driving the first mounting plate to approach to/depart from the square billet, a second mounting plate (43), a second driving piece (44) for driving the second mounting plate to approach to/depart from the square billet, at least one probe (45) mounted on the second mounting plate and a third driving piece (46) for driving the probe to approach to/depart from the square billet;
the first mounting plate is driven by the first driving piece to move relative to the protective cover, and the second mounting plate is driven by the second driving piece to move relative to the first mounting plate.
2. The square billet angular crack eddy current inspection device as set forth in claim 1, wherein: the square billet measuring device comprises a square billet, and is characterized by further comprising a probe ranging device, wherein the probe ranging device is connected with the probe, and the third driving piece drives the probe ranging device and the probe to be close to/far away from the square billet simultaneously.
3. The square billet angular crack eddy current inspection device as set forth in claim 2, wherein: the probe ranging device comprises a third mounting plate (5) and a third roller (6), wherein the third mounting plate is connected with the probe in a mounted mode, the third roller is located at one end, close to the square billet, of the third mounting plate, and the lowest end of the third roller and the lowest end of the probe are provided with a height difference.
4. The square billet angular crack eddy current inspection device as set forth in claim 1, wherein: the blowing device comprises an installation frame (31), a plurality of installation holes (32) used for installing the air nozzle are formed in the installation frame, the air nozzle is connected with a vacuum pump through a pipeline, and a channel for allowing the square billet to pass through is formed in the installation frame.
5. The square billet angular crack eddy current inspection device as set forth in claim 1, wherein: the probe floating device is provided with at least one group, each group is provided with 2 probe floating devices, 2 probe floating devices are symmetrically arranged on the protective cover.
6. The square billet angular crack eddy current inspection device as set forth in claim 1, wherein: the utility model discloses a square billet measuring device, including square billet, first probe, second probe and third probe, the probe is equipped with 3, is first probe, second probe and third probe respectively, the second probe is located first probe with between the third probe, first probe with installation angle between the second probe is 22, the second probe with installation angle between the third probe is 22, first probe, the second probe with the visual angle scope that the third probe formed with the radian phase-match of square billet.
7. The square billet angular crack eddy current inspection device as set forth in claim 1, wherein: first roller bearing (47) are installed to first mounting panel near the one end of square billet, the second mounting panel is close to second roller bearing (48) are installed to the one end of square billet, first roller bearing with second roller bearing vertical distribution.
8. The square billet angular crack eddy current inspection device as set forth in claim 1, wherein: the inner wall of safety cover is equipped with first slide rail (7), first mounting panel is relative one side of second mounting panel is equipped with second slide rail (8), first slide rail with second slide rail vertical distribution.
9. The square billet angular crack eddy current inspection device as set forth in claim 1, wherein: the inlet end of the feeding channel is provided with a first group of photoelectric sensors (9), and the outlet end of the feeding channel is provided with a second group of photoelectric sensors (10).
10. The square billet angular crack eddy current inspection device as set forth in claim 1, wherein: the first driving piece, the second driving piece and the third driving piece are all cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011123829.2A CN112162032A (en) | 2020-10-20 | 2020-10-20 | Square billet angular crack eddy current detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011123829.2A CN112162032A (en) | 2020-10-20 | 2020-10-20 | Square billet angular crack eddy current detection device |
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| Publication Number | Publication Date |
|---|---|
| CN112162032A true CN112162032A (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011123829.2A Pending CN112162032A (en) | 2020-10-20 | 2020-10-20 | Square billet angular crack eddy current detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109428A (en) * | 2021-03-18 | 2021-07-13 | 苏州九尚久电磁设备有限公司 | Eddy current detection and flaw detection equipment and detection and flaw detection method for rotating parts |
-
2020
- 2020-10-20 CN CN202011123829.2A patent/CN112162032A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109428A (en) * | 2021-03-18 | 2021-07-13 | 苏州九尚久电磁设备有限公司 | Eddy current detection and flaw detection equipment and detection and flaw detection method for rotating parts |
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