CN208224471U - A kind of online remanent magnetism detection device of round steel - Google Patents
A kind of online remanent magnetism detection device of round steel Download PDFInfo
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- CN208224471U CN208224471U CN201820835629.1U CN201820835629U CN208224471U CN 208224471 U CN208224471 U CN 208224471U CN 201820835629 U CN201820835629 U CN 201820835629U CN 208224471 U CN208224471 U CN 208224471U
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Abstract
The utility model provides a kind of online remanent magnetism detection device of round steel, and remanent magnetism detection device includes photoelectric detection system, and photoelectric detection system is located above the spiral roller-way at the rear of demagnetizer, for detecting position of the round steel on spiral roller-way from assembly line；Between photoelectric detection system and demagnetizer, control device is arranged on the equipment platform of spiral roller-way side control device；Mobile device is located at the rear of photoelectric detection system, for moving inductive probe；Inductive probe is located at the upper end of mobile device, the data feedback that inductive probe will acquire to control device, control device by processing as the result is shown on the display apparatus；Round steel remanent magnetism on-line measuring device provided by the utility model and by the way of round steel remanent magnetism online automatic detection, so that the round steel remanent magnetism on-line measuring device of the utility model saves manpower, improves detection efficiency and the accuracy of testing result, the generation of missing inspection problem when can effectively prevent the detection of round steel remanent magnetism.
Description
Technical field
The utility model belongs to field of industry detection, and in particular to a kind of online remanent magnetism detection device of round steel.
Background technique
Steel material (ferrimagnet) haves the defects that certain, by its shaping age, can be divided into raw material itself and hide
Defect, the defect generated in hot procedure, lacking of generating in the defect and use process that generate in cold-working process
Several major class such as sunken.
The defect that raw material itself hide: this kind of defect is called material defects, refers to steel mill since smelting, through rolling
Etc. generated defect in the overall process of profile of the processes until being made into various different sizes.These defect some are maintained in
Inside workpiece, some are then just exposed to surface or near surface after processing.This kind of defect includes: draw remnants and center are dredged
Pine, bubble (including rimhole), metallic inclusion and non-metallic inclusion, hairline, interlayer and layering, white point etc..
The defect generated in hot procedure: hot-working refers to processing of the workpiece work in-process material Jing Guo heating process.
Such as forging, casting, welding, heat treatment, by hot-working, the defect of raw material is possible to develop, while can also in hot-working
New defect can be generated.Such as forge the forge crack, forging folds and forging burning of generation；Cast the casting crack (heat generated
Crackle and cold crack), casting shrinking hole and loose, stomata, cold shut etc.；Weld the weld crack generated, lack of penetration, stomata, slag inclusion
Deng；It is rotten to be heat-treated hardening flaw, plating crackle, pickling crackle and stress that (including thermo-chemical treatment and common heat treatment) generates
Lose crackle etc..
The defect generated during cold working: the i.e. usually said machining of cold working, finishing, it is at normal temperature
It carries out, mainly there is correction crackle, grinding crack and interference crackle etc..
The defect generated in use process: workpiece is due to various forms of reciprocal and alternating load influences in use process
Make effect of the workpiece by concentrated stress, so that cracking forms fatigue crack.
During drawbacks described above generation, it can be seen that formation of the components of ferrimagnet production from raw material
It is used to the part in machine-shaping and later period, is likely to generate defect, the purpose of Magnetic testing is exactly by high-intensity magnetic field
It acts on and generates leakage field at the surface and near surface flaw of ferrimagnet, then by magnetic flux leakage to being applied to material (workpiece) table
The absorption of the magnetic powder in face forms the position where magnetic trace discovery defect.Currently, major part Ye Gang company bar produced, tubing
And casting all detects the defect of material surface and near surface by the method for magnetic powder on-line checking in the production process.
When Magnetic testing, due to the effect of high-intensity magnetic field, it can be left on material (including bar, tubing, casting etc.) certain
The remanent magnetism of intensity.Remanent magnetism is excessively high, i.e., after workpiece band magnetic, has a very big impact to being normally carried out for subsequent handling, main to show
: the remanent magnetism on workpiece will affect the accuracy of the instrument mounted near workpieces, compass etc metering outfit, or even damage these
Measurement instrument.Material when processed, due to the presence of remanent magnetism, cut, iron powder has certain absorption to make by the iron generated when to processing
With influencing the machining accuracy of part to be processed, while can also damage cutter.Material is after magnetic powder inspection detects, due to remanent magnetism
In the presence of thering is a large amount of magnetic powder to be attracted to the surface of workpiece or material, be unfavorable for the cleaning of workpiece surface.It is surplus due to having on material
The presence of magnetic can make arc welding process arc blow when carrying out welding procedure, and welding position deviates.The part frictionally transmitted is (such as
Ball bearing, bearer ring etc.), it if any remanent magnetism, will cause the abrasion of ball, reduce the service life of bearing.It is electroplated on steel part
Remanent magnetism can make electroplating current deviate the region of expectation circulation, influence electroplating quality；
In view of above-mentioned factor, material is after carrying out Magnetic testing, it is necessary to carry out remanent magnetism demagnetization to material.
Currently, bar, the tubing of major part Ye Gang company are all to be passed through by magnetic powder inspection detection line come carrying out flaw detection
Circumferential magnetization, the surface of longitudinal magnetization detection workpiece and near surface flaw are carried out to workpiece, bar is after longitudinal magnetization, and meeting is in work
The both ends of part generate magnetic pole, simultaneously because the skin effect of exchange, can generate remanent magnetism aggregation in the end face edge of bar or round steel,
Highest point position existing for i.e. usual remanent magnetism；And circumferential magnetization, since magnetic circuit is closed completely, it is difficult to magnetic flux leakage is formed, because
This is not likely to produce remanent magnetism in bar side surface and near surface.
Round steel after magnetization detection, demagnetize using far from the method for passing through by the demagnetization of existing detection line, and workpiece is from demagnetization line
Circle remote is from remoter, then demagnetization effectiveness is better, in this way, the highest point that remanent magnetism is assembled after round steel demagnetization appears in the tail end of round steel
Edge, therefore, if you need to detect the surface remanence of round steel (steel pipe), the remanent magnetism that need to only detect round steel (bar) end face area is known
Know whether the remanent magnetism of round steel (steel pipe) after demagnetizing meets demagnetization requirement.Existing technology is to the bar after magnetic powder inspection detection
(round steel) remanent magnetism detects the remanent magnetism of round steel (steel pipe) end using the method for artificial detection, and the flaw detection of all round steel (steel pipe) is all
It is by detection line come carrying out flaw detection, speed of production is fast, in addition workpiece weight weight, to detect the surplus of each bar (steel pipe)
Magnetic is difficult, meanwhile, the different parts remanent magnetism of same end face circumference is different, is difficult to find out the highest point of remanent magnetism, causes to detect
A possibility that missing inspection, is very big.
Accordingly, it is desirable to provide a kind of be directed to the insufficient round steel remanent magnetism on-line measuring device of the above-mentioned prior art and its detection side
Method.
Utility model content
The purpose of this utility model is to provide a kind of round steel remanent magnetism on-line measuring devices, surplus at least to solve current round steel
When Magnetic testi, manual detection efficiency is low, detection difficulty is big, prohibited data detection is true, the problem of being easy to miss inspection.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of online remanent magnetism detection device of round steel, remanent magnetism detection device and demagnetizer are arranged at fluorescent powder carrying out flaw detection
On the assembly line at dark place region rear, the rear of assembly line is round steel direction of advance, and round steel is after demagnetizer demagnetizes in spiral
It moves forward on roller-way and is detected again through remanent magnetism detection device, which is characterized in that the remanent magnetism detection device includes induction
Probe, display device, mobile device, control device and photoelectric detection system；The control device respectively with the Photoelectric Detection
Device, inductive probe, mobile device, the connection of display device signal；
The photoelectric detection system is located at the rear of the demagnetizer, and the photoelectric detection system is set to the spiral
Above roller-way, for detecting position of the round steel on spiral roller-way from assembly line, and the signal of detection is sent to the control
Device processed；
Between the photoelectric detection system and the demagnetizer, the control device setting exists the control device
On the equipment platform of the spiral roller-way side, for obtaining round steel position signal that photoelectric detection system is detected and will justify
The mobile device is transferred to after the processing of steel position signal；
The mobile device is located at the rear of the photoelectric detection system, and the mobile device is arranged in spiral roller-way side
On the sliding rail of equipment platform, for moving the inductive probe；
The inductive probe is located at the upper end of the mobile device, and the data feedback that the inductive probe will acquire is to described
Control device, the control device by processing as the result is shown on said display means；
Wherein, the control device includes programmable controller, signal transmission and conversion equipment, multiple relays, switch；
The programmable controller is programmed setting to the everything of the mobile device, and the signal transmission and conversion equipment will
On said display means, multiple relay synergistic effects automatically control entire as the result is shown after the signal processing of acquisition
The operation of remanent magnetism detection device.
A kind of online remanent magnetism detection device of round steel as described above, it is preferable that the inductive probe includes probe handle, the spy
Head handle in a rectangular parallelepiped shape, and is equipped with the groove of rectangle, the probe handle along its length at the surrounded surface center of cuboid
One end endface be connected with probe wire, the probe wire extension is connected to the control device, the other end of the probe handle
It is connected with PCB circuit board；
Preferably, the probe line length is 2500-3500mm；
Further preferably, the probe handle length be 60-80mm, for guarantee the maximum round steel of diameter remanent magnetism detection when with
The probe handle does not generate interference phenomenon.
A kind of online remanent magnetism detection device of round steel as described above, it is preferable that the PCB circuit board is strip thin plate, institute
The lower surface for stating PCB circuit board is equipped with Hall sensor, and the Hall sensor generates different according to the difference of magnetic field power
Potential difference, to measure the size of Hall sensor position magnetic field strength.
A kind of online remanent magnetism detection device of round steel as described above, it is preferable that the display device be equipped with buzzer siren,
Display screen and multiple coffrets；
The display location is in fluorescent powder carrying out flaw detection dark place region, for showing the round steel where the inductive probe
The specific value in magnetic field；
The buzzer siren is located at below the display screen, for when the remanent magnetism on round steel is beyond the maximum allowable of setting
When value, voice prompt alarm is issued；
Multiple coffrets are for receiving signal.
A kind of online remanent magnetism detection device of round steel as described above, it is preferable that the remanent magnetism detection device further includes servo electricity
Machine, the servo motor are arranged below the mobile device, and according to the movement speed of round steel and height will probe handle send to
The edge of round steel tail end face.
The detection method of the online remanent magnetism detection device of round steel, it is preferable that described detection method includes the following steps:
Step 1, it numerical value adjusting and parameter setting: is adjusted and is felt according to the movement speed of the detected round steel on spiral roller-way
The translational velocity that should be popped one's head in；According to the diameter adjustment inductive probe of the detected round steel on spiral roller-way away from the height of spiral roller-way
Degree；The distance of inductive probe translation is adjusted according to the rotation speed of the detected round steel on spiral roller-way；According to actual needs
Set the mximum residual magnetism value allowed；
Step 2, the acquisition of data: photoelectric detection system detects the position signal of round steel tail portion on spiral roller-way, by position
Confidence number passes to control device, and control device issues instruction starting servo motor, and mobile device is under the driving of servo motor
Starting, mobile device drive inductive probe downlink to acquire required data so that inductive probe reaches specified station；
Step 3, the processing and display of data: the Hall sensor on inductive probe is according to the big of round steel end magnetic field intensity
The small variation for making corresponding potential, potential change generate remanent magnetism signal, and remanent magnetism signal is transmitted to control device by probe wire, pass through
After remanent magnetism signal is amplified in the signal transmission and conversion equipment for crossing control device, it is transmitted to operation position, the power of remanent magnetism is led to
It crosses specific numerical value to be shown on the display screen of display device, if the maximum that remanent magnetism numerical value, which is higher than the setting in step 1, to be allowed remains
Magnetic value, then buzzer issues alarm signal.
The detection method of the online remanent magnetism detection device of round steel as described above, it is preferable that the step 2 further includes following step
It is rapid:
Step 21, inductive probe downlink: the rectangular recess on probe handle contradicts round steel tail edge；
Step 22, inductive probe translates: translational velocity phase of the translational velocity of inductive probe with round steel on spiral roller-way
Together, movement of the round steel only relative to inductive probe rotation at this time；
Step 23, the return of inductive probe is translated after the completion of the acquisition of inductive probe data by the direction opposite with step 22
Identical distance, then identical distance is translated by the opposite direction of step 21, it is retracted into original station.
The detection method of the online remanent magnetism detection device of round steel as described above, it is preferable that in the step 21, the induction is visited
The Hall sensor of head is away from 0~1mm of round steel tail edge.
The detection method of the online remanent magnetism detection device of round steel as described above, it is preferable that in the step 22, the induction is visited
The distance of head translation is equal to the mobile distance of 1~2 circle of round steel rotation.
The detection method of the online remanent magnetism detection device of round steel as described above, it is preferable that in the step 3, the display dress
It sets and is additionally provided with memory and print module, for being stored and being exported to detection data；Memory module is to beyond mximum residual magnetism value
Round steel remembered, the number that printing equipment will exceed the round steel of mximum residual magnetism value is printed upon on printing paper, and worker is according to volume
Number the round steel beyond mximum residual magnetism value is put on spiral roller-way again and is demagnetized.
Compared with the immediate prior art, technical solution provided by the utility model has following excellent effect:
Round steel remanent magnetism on-line measuring device provided by the utility model and by the way of round steel remanent magnetism online automatic detection,
So that the round steel remanent magnetism on-line measuring device of the utility model save manpower, improve detection efficiency and testing result it is accurate
Property, the generation of missing inspection problem when can effectively prevent the detection of round steel remanent magnetism.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
Wherein:
Fig. 1 is the usage state diagram of the round steel remanent magnetism on-line measuring device of the utility model embodiment；
Fig. 2 is the partial enlarged view of the round steel remanent magnetism on-line measuring device of the utility model embodiment；
Fig. 3 is the structural schematic diagram of the inductive probe of the round steel remanent magnetism on-line measuring device of the utility model embodiment.
In figure: 1, spiral roller-way；2, round steel；3, fluorescent powder carrying out flaw detection dark place region；31, magnetizable body；32, display dress
It sets；4, demagnetizer；5, control device；6, mobile device；7, inductive probe；71, PCB circuit board；72, probe handle；73, it pops one's head in
Line；74, groove；711, Hall sensor；8, photoelectric detection system.
Specific embodiment
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.It should be noted that not conflicting
In the case where, the features in the embodiments and the embodiments of the present application can be combined with each other.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of description the utility model rather than requires the utility model that must be constructed and operated in a specific orientation, therefore
It should not be understood as limiting the present invention.Term used in the utility model " connected ", " connection " shall be understood in a broad sense,
For example, it may be being fixedly connected, may be a detachable connection；It can be directly connected, it can also be indirect by intermediate member
It is connected, for the ordinary skill in the art, can understands the concrete meaning of above-mentioned term as the case may be.
As shown in Figure 1 and Figure 2, the online remanent magnetism detection device of a kind of round steel 2, remanent magnetism on-line measuring device are arranged in fluorescent powder
On the assembly line at 3 rear of carrying out flaw detection dark place region, round steel 2 moves forward on spiral roller-way 1, and remanent magnetism detection device includes sense
Should pop one's head in 7, display device 32, mobile device 6, control device 5 and photoelectric detection system.Control device 5 and photoelectric detection system,
Inductive probe 7, mobile device 6, display device 32 are connected separately.
Photoelectric detection system detects position of the round steel 2 on spiral roller-way 1 from assembly line, and transmits signals to control
Device 5, control device 5 obtain behind the position of round steel 2 will treated signal passes to mobile device 6, mobile device 6 will incude
Probe 7 is sent to the edge of 2 tail end face of round steel, and the data feedback that inductive probe 7 will acquire is to control device 5, control device 5
Again by final process as the result is shown in display device 32.
Wherein, control device 5 includes programmable controller, signal transmission and conversion equipment, multiple relays, switch.It can
Programmable controller is programmed setting, signal transmission and conversion equipment for the signal processing of acquisition to 6 everything of mobile device
Afterwards over the display, multiple relay synergistic effects automatically control the running of whole device as the result is shown.
As shown in figure 3, inductive probe 7 includes, handle 72 of popping one's head in pops one's head in handle 72 in a rectangular parallelepiped shape, and four weekly forms of cuboid
It is equipped with the groove 74 of rectangle at the center of face along its length, rectangular recess 74 is convenient in actually detected, probe and 2 tail of round steel
The circumference at portion edge is tangent, and one end endface of probe handle 72 is connected with probe wire 73, and the other end of probe handle 72 is connected with PCB
Circuit board 71.73 length of probe wire be 2500-3500mm (such as 2600mm, 2700mm, 2800mm, 2900mm, 3000mm,
3100mm, 3200mm, 3300mm, 3400mm), enough mobile spaces and detection probe arrival for guaranteeing mobile device 6 refer to
Fixed maximum distance.72 length of handle of popping one's head in of probe wire 73 is 60-80mm, (such as 62mm, 64mm, 66mm, 68mm, 70mm,
72mm, 74mm, 76mm, 78mm), for guaranteeing that the maximum round steel 2 of diameter does not generate interference with probe handle 72 in remanent magnetism detection
Phenomenon.
As shown in Fig. 2, be remanent magnetism on-line measuring device provided by the utility model when actually detected, pop one's head in handle 72 and circle
Relative position between steel 2, pop one's head in 72 surrounding of handle four surfaces center at, be equipped with the groove 74 of rectangle, it is recessed that this is set
The purpose of slot 74 is that exactly, round steel 2 is to be threadingly advanced on spiral roller-way 1 convenient for the contact of probe handle 72 and round steel 2
, the speed that the probe forward movement speed of handle 72 and round steel 2 advance on spiral roller-way 1 is identical, and round steel 2 is relative to probe handle
The rotation of 72 only one circumference, since remanent magnetism is generally concentrated at 2 end of round steel, inductive probe 7 should also detect 2 end of round steel
Signal, the downlink under the drive of mobile device 6 of handle 72 of popping one's head in makes groove 74 be adjacent to 2 end of round steel and periphery intersection
Edge line is conducive to the stabilization of probe handle 72 in this way, it helps guarantees the accuracy of 7 detection data of inductive probe.
Embodiment according to the present utility model, PCB circuit board 71 are strip thin plate, and the setting of PCB circuit board 71 is incuding
The end of probe 7, fixed form can be to be connected with screw, and the upper surface of circuit board is equipped with connecting line, and the signal of acquisition is passed
It is defeated to arrive control device 5.The lower surface of PCB circuit board 71 is equipped with Hall sensor 711, and Hall sensor 711 is strong according to magnetic field
Weak difference generates different potential differences, to measure the size of 711 position magnetic field strength of Hall sensor.This is practical
In novel, display device 32 is equipped with buzzer siren, display screen and multiple coffrets.Display location is detected a flaw in fluorescent powder and is examined
Dark place region 3 is surveyed, the specific value in magnetic field on the round steel 2 for showing probe place.Display screen is not only shown on production line
The size of 2 remanent magnetism of round steel, also be used to show round steel 2 remanent magnetism examine above step (that is fluorescent powder carrying out flaw detection with
And the demagnetization step of round steel 2) it is some as a result, because operation and setting station fluorescent powder detect a flaw dark place detection zone,
So the observation that operator is convenient in the region is arranged in display screen.Display screen buzzer siren is used for when the remanent magnetism on round steel 2
When maximum permissible value beyond setting, voice prompt alarm is issued.Multiple coffrets are for receiving signal.Coffret setting
Behind display device 32, coffret has multiple, including signal import and signal outlet, and signal import is used to receive letter
Number, signal outlet is used to issue the control signal and certain operational orders after handling by control device 5.Servo motor,
Servo motor is arranged below mobile device 6, and is sent probe handle 72 to 2 tail of round steel according to the movement speed of round steel 2 and height
The edge of end surface.
In order to better understand the technical solution of online remanent magnetism detection device provided by the utility model, the utility model
Specific embodiment also provides a kind of detection method of the online remanent magnetism detection device of round steel 2, and detection method includes the following steps:
Step 1, it numerical value adjusting and parameter setting: is adjusted according to the movement speed of the detected round steel 2 on spiral roller-way 1
The translational velocity of inductive probe 7.According to the diameter adjustment inductive probe 7 of the detected round steel 2 on spiral roller-way 1 away from propellers
The height in road 1.The distance that inductive probe 7 translates is adjusted according to the rotation speed of the detected round steel 2 on spiral roller-way 1.Root
The mximum residual magnetism value allowed according to actual demand setting.
Step 2, the acquisition of data: photoelectric detection system detects the position of 2 tail portion of round steel on spiral roller-way 1, by signal
Pass to control device 5, control device 5 issues instruction starting servo motor, mobile device 6 under the driving of servo motor
Movement, mobile device 6 drive 7 downlink of inductive probe to acquire required data so that inductive probe 7 reaches specified station.
Step 3, the processing and display of data: the Hall sensor 711 on inductive probe 7 is strong according to 2 end magnetic field of round steel
The size of degree makes the variation of corresponding potential, and potential change generates remanent magnetism signal, and remanent magnetism signal is transmitted to control by probe wire 73
Device 5 processed is transmitted to operation position, will remain after remanent magnetism signal is amplified in the transmission of the signal of control device 5 and conversion equipment
The power of magnetic is shown on the display screen of display device 32 by specific numerical value, if remanent magnetism numerical value is higher than the setting in step 1
Value, then buzzer issues alarm signal.Display device is additionally provided with memory and print module, for detection data carry out storage and
Output；Memory module remembers the round steel 2 beyond mximum residual magnetism value, and will exceed mximum residual magnetism value by display device 32
The residual induction of round steel 2 show that on a display screen the number that printing equipment will exceed the round steel 2 of mximum residual magnetism value is printed upon printing
On paper, worker is again put into the round steel 2 beyond mximum residual magnetism value on spiral roller-way 1 according to number demagnetizes.
Embodiment according to the present utility model, step 2 are further comprising the steps of:
Step 21,7 downlink of inductive probe: the rectangular recess 74 on probe handle 72 contradicts 2 tail edge of round steel.
Step 22, inductive probe 7 translates: translation speed of the translational velocity and round steel 2 of inductive probe 7 on spiral roller-way 1
Spend the movement identical, round steel 2 is only rotated relative to inductive probe 7 at this time.
Step 23, the set of inductive probe 7, it is flat by the direction opposite with step 22 after the completion of the acquisition of 7 data of inductive probe
Identical distance is moved, then translates identical distance by the opposite direction of step 21, is retracted into original station.
Embodiment according to the present utility model, in step 21, the Hall sensor 711 of inductive probe 7 is away from 2 tail portion side of round steel
Edge 0-1mm (such as 0mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1mm).Step 22
In, the distance that inductive probe 7 translates is equal to the mobile distance of 1~2 circle of the rotation of round steel 2.In step 3, display device 32 is additionally provided with
Memory and print module, the remanent magnetism for becoming apparent from blunt reaction round steel 2 are strong and weak.
Specific embodiment according to the present utility model, highest remanent magnetism is gathered in end when the utility model is detected a flaw using round steel 2
The characteristics of portion edge, gathers the detection principle and method of 2 carrying out flaw detection line of round steel, mends the movement for catching 2 end each point of round steel
Track.When on-line checking, remanent magnetism detection inductive probe 7 is moved horizontally, the linear transmission speed of horizontal movement velocity and round steel 2
Spend it is identical, due to be when round steel 2 transmits it is spiral at the uniform velocity move ahead, in this way, such as probe movement speed and 2 forward speed one of round steel
It causes, that is to say, that detection inductive probe 7 is to be in static state, and round steel 2 is relative to sense relative to round steel 2 in the horizontal direction
7 should be popped one's head in then and be in rotary motion, the distance moved horizontally such as inductive probe 7 is greater than the rectilinear path that round steel 2 rotates a circle,
It can guarantee that the every bit of 2 end edge of round steel is all detected probe and is detected in this way, to avoid missing inspection, while also effective benefit
Use existing equipment.
Specific embodiment according to the present utility model, the utility model in practical applications, the implementation specifically acted are as follows:
1, traveling-position of the round steel 2 during carrying out flaw detection is detected by photoelectric detection system, controls on-line detector
Specific detection time and detection probe and 2 upper surface of round steel vertical range, it is ensured that probe away from round steel 2 effectively detection model
Enclose interior detection remanent magnetism.
2, detection probe is transmitted by mobile device 6, the movement speed of probe is adjusted using servo motor, it is ensured that detected
The probe of inductive probe 7 keeps opposite static with 2 end edge of round steel in journey.
3, the testing result that detection probe transmits is fed back by highly sensitive gaussmeter, sets the remanent magnetism model of permission
It encloses, warning note is carried out beyond tolerance band, to differentiate whether 2 remanent magnetism of round steel meets the requirements.
4, it is converted by signal, will test signal and be transmitted in the display device 32 of magnetic powder inspection operation position, convenient for visiting
Wounded's work observes the remanent magnetism situation of round steel 2 in real time, carries out time update and setting to carrying out flaw detection parameter.
In practical applications, the utility model is the dedicated online Remanent magnetism tester of CJT-YG-500 type round steel 2.This is practical new
Type is according to the carrying out flaw detection technique of round steel 2, foundation ISO9001 quality system standard, International Electrical standard (HEO) and other correlations
Safety standard requirement, foundation are designed manufacture using the specific requirement of unit.
In addition to this, the utility model additionally provides the process flow of 2 line flaw detection of round steel detection and the demagnetization of round steel 2 exists
The process of line detection, wherein the process flow of 2 line flaw detection of round steel detection are as follows:
Workpiece feeding transmits-magnetizes the magnetization of station spray, the observation of magnetic trace, mark --- round steel 2 demagnetizes far from method --- remanent magnetism
Detection determines --- blanking returns to demagnetization, reconditioning again.
The process flow of demagnetization on-line checking are as follows:
The demagnetization of round steel 2 transmits 7 downlink of --- detecting in place 2 rear end end of round steel --- inductive probe close to 2 end surface side of round steel
Edge --- inductive probe 7 is moved in parallel with round steel 2 --- end remanent magnetism detection --- signal transmission conversion ----signal alarm, memory
Deng.
Specific embodiment according to the present utility model, the utility model in practical applications, according to be detected 2 specification of round steel,
Speed of advancement (is answered identical) with 2 specification of round steel of a batch detection, speed, and the height and setting induction for adjusting inductive probe 7 are visited
The parameters such as translational velocity, translation distance and the mximum residual magnetism of the permission value (overload alarm) of first 7 probe.Round steel 2 is in detection line
On after magnetization and demagnetization, by spiral roller-way 1 transmit move forward, when remanent magnetism online detection instrument inductive probe 7 detect
When to 2 tail portion of round steel, probe detector drives magnetic sensitive probe downlink, is moved downward to away from 2 tail edge 0-1mm of round steel,
Inductive probe 7 translates in the same direction with 2 direction of advance of round steel simultaneously, and translational velocity ensures that probe is opposing stationary with 2 tail position of round steel,
The distance that translating stroke rotates 1 week not less than round steel 2 or 2 weeks round steel 2 advance, it is ensured that inductive probe 7 can detect 2 tail portion of round steel
The remanent magnetism of each point in edge.On-line detector measures the remanent magnetism range of tested round steel 2.The amplification transmission of remanent magnetism signal, feeds back to behaviour
Make station, carries out remanent magnetism judge (remanent magnetism overload alarm can be set according to standard requirements, judge by alarm signal), and have and beat
Print memory function.Last remanent magnetism detection inductive probe 7 retracts original and sets station, return of popping one's head in.Blanking or retract is reprocessed.
Specific embodiment according to the present utility model, in practical application, the utility model relates to CJT-YG-500 type circle
The dedicated online Remanent magnetism tester of steel 2, equipment group become:
Specific embodiment according to the present utility model, the utility model gives following important technological parameters and equipment is special
Point.
Important technological parameters:
Range ability: 0-3T
Sensitivity: 0.01mT (0.1GS)
Tested magnetic field: alternating current magnetic field, D.C. magnetic field
Environment temperature: 5--45 DEG C
Field frequency: DC -200Hz
Relative humidity: 20%---80%
Accuracy: it is better than 0.25%
Display mode: liquid crystal display
Probe moves horizontally: electronic movement
Downlink of popping one's head in is mobile: pneumatic, manual
Power supply mode: exchange, 220V, 50Hz, 50VA
Gas source: 0.3-0.6MPa
Tested 2 diameter of round steel: Φ 40--- Φ 500mm, it is isometrical.
Equipment feature:
Direct current (static state) measurement of magnetic field.
Embedded computer control, automatic or manual range.
It can automatic identification standard configuration probe.
RS-232, relay switching variable output interface (suitable PLC).
Support computer long-distance control.
Has analog signal output function.
Has peak-value-holding function.
High-low threshold warning function supports local and remote control.
Storage, memory function.
Specific embodiment according to the present utility model, in practical application, the utility model relates to CJT-YG-500 type circle
The dedicated online Remanent magnetism tester of steel 2, equipment overview are as follows:
The dedicated online Remanent magnetism tester of CJT-YG-500 type round steel 2 is matching used dedicated with 2 carrying out flaw detection line of round steel
Whether detection device can carry out online remanent magnetism detection to the round steel 2 after magnetic powder inspection detects and demagnetizes, and demagnetize to round steel 2
It meets the requirements and makes judge, be applicable in and isometrical round steel 2 of the diameter range between Φ 40--- Φ 500mm demagnetizes detect online, tool
The features such as efficient high, judgement is quasi-, easy to use.
The dedicated online Remanent magnetism tester of CJT-YG-500 type round steel 2 mainly detects inductive probe 7, liquid crystal display by remanent magnetism
Screen, signal transmit and the compositions such as conversion equipment, 7 mobile device 6 of inductive probe and electrical control gear 5.
1, remanent magnetism detects inductive probe 7:
Remanent magnetism detection inductive probe 7 is a kind of based on sensor and Hall sensor 711 made of Hall effect principle.
Hall element (a kind of semiconductor magnetosensitive device) is placed in magnetic field, when a current passes through, vertically with electric current and magnetic field
Potential difference is generated on direction, potential difference is directly proportional to the induction in magnetic field, this potential difference is carried out signal conversion, to survey
Measure the size of position magnetic field strength.
Probe handle 72: it is made of copper material, firm and durable.Rectangular parallelepiped structure, side surrounding mill locating slot, convenient for visiting
Head was tangent last week with 2 end of round steel.Probe length: 70mm, probe handle 72 and round steel 2 when can meet the detection of maximum 2 remanent magnetism of round steel
Do not interfere.73 length of probe wire: 3000mm has shielding and anti-interference function.
2, liquid crystal display device 32
Generated electric potential signal in residual magnetic field where Hall element is converted into digital signal, and real-time digital shows magnetic
The size of field, magnetic field strength detection range 0--3 tesla, the unit of display have tesla (T), milli tesla (mT), Gauss
(GS), simultaneously real-time display can be mutually converted, remanent magnetism maximum permissible value can be set, and audible alarm.Operator can demagnetize to round steel 2
Effect makes accurate judge.
3, signal transmission and conversion equipment
Hall element is passed to the electric potential signal amplification conversion generated in remanent magnetic field, by corresponding coffret,
It transmits a signal on the display screen of carrying out flaw detection operation position, the remanent magnetism that real-time remote observation round steel 2 demagnetizes online.
4, probe mobile device 6
When workpiece remanent magnetism detects, Hall element need to be disposed vertically in remanent magnetic field, semiconductor magnetosensitive device need to be close to
The surface of examined workpiece.When round steel 2 demagnetizes far from method, the induced magnetic field centerline parallel that degaussion coil generates is in the axis of round steel 2
Heart line, and dissipated around along the edge of round steel 2, since the magnetic field that degaussion coil generates is alternating current magnetic field, because of the collection of alternating current
Skin effect, often the highest remanent magnetism of round steel 2 exist with 2 end edge position of round steel, therefore the surrounding of 2 end of round steel need to be surveyed
Amount is likely to find out the highest remanent magnetism point of round steel 2, and round steel 2 is to be in spiral forward travel state in entire detection process,
Can just it guarantee this requires the magnetosensitive test piece when remanent magnetism detects and 2 end of round steel are in opposing stationary state only in this way
When test piece and 2 spacing of round steel are constant, the remanent magnetism of 2 end surrounding each point of round steel is detected (generally for the accuracy for guaranteeing detection, magnetic
Quick probe is no more than 1mm at a distance from tested position).
2 mobile mechanism's bracket of round steel using high-quality non-magnetic stainless steel material production, probe move horizontally using servo (or
Stepping) motor movement, movement speed is selected according to the forward speed for being detected round steel 2, and probe is highly according to the specification for being detected round steel 2
It adjusts.
5, electrical control gear 5
Electrical control gear 5 is mainly made of components such as programmable controller (PLC), various relays, detection switch,
Setting is programmed to the everything of 2 remanent magnetism on-line detector of round steel, it is ensured that following detection operation is gone on smoothly.
A), when the rotation of round steel 2 moves ahead, remanent magnetism detects component far from 2 running track region of round steel.
B), when the operation of round steel 2 to remanent magnetism detection zone, photoelectric detection system obtains signal, the mobile detection of moving body detection.
C), signal designation or alarm.
D), probe return, motion detection device leave 2 running track region of round steel.
To sum up, the utility model has the advantage that
1, online remanent magnetism detection device provided by the utility model is by being in detection probe and round steel 2 in the horizontal direction
Opposing stationary method overcomes the situation that detection position is unstable in original detection process.
2, online remanent magnetism detection device provided by the utility model is fixed round steel 2 by detection probe and is at the uniform velocity operated, inspection
Survey the detection of round steel 2 ends, one week gamut.It avoids can't detect position and remanent magnetism highest point being allowed the phenomenon that missing inspection occur.
3, online remanent magnetism detection device provided by the utility model is detected using existing magnetic powder line flaw detection detection device
Remanent magnetism carries workpiece without employee, without detection manually, reduces the labor intensity of employee, greatly improves the speed of carrying out flaw detection.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (7)
1. it is dark that a kind of online remanent magnetism detection device of round steel, remanent magnetism detection device and demagnetizer are arranged at fluorescent powder carrying out flaw detection
On the assembly line at room region rear, the rear of assembly line is round steel direction of advance, and round steel is after demagnetizer demagnetizes in propellers
It moves forward on road and is detected again through remanent magnetism detection device, which is characterized in that the remanent magnetism detection device includes that induction is visited
Head, display device, mobile device, control device and photoelectric detection system；The control device is filled with the Photoelectric Detection respectively
It sets, the connection of inductive probe, mobile device, display device signal；
The photoelectric detection system is located at the rear of the demagnetizer, and the photoelectric detection system is set to the spiral roller-way
The signal of detection for detecting position of the round steel on spiral roller-way from assembly line, and is sent to the control and filled by top
It sets；
Between the photoelectric detection system and the demagnetizer, the control device is arranged described the control device
On the equipment platform of spiral roller-way side, for obtaining round steel position signal that photoelectric detection system is detected and by round steel position
The mobile device is transferred to after setting signal processing；
The mobile device is located at the rear of the photoelectric detection system, and the mobile device is arranged in one side apparatus of spiral roller-way
On the sliding rail of platform, for moving the inductive probe；
The inductive probe is located at the upper end of the mobile device, and the data feedback that the inductive probe will acquire gives the control
Device, the control device by processing as the result is shown on said display means；
Wherein, the control device includes programmable controller, signal transmission and conversion equipment, multiple relays, switch；It is described
Programmable controller is programmed setting to the everything of the mobile device, and the signal transmission and conversion equipment will acquire
Signal processing after as the result is shown on said display means, multiple relays synergistic effects automatically control entire remanent magnetism
The operation of detection device.
2. a kind of online remanent magnetism detection device of round steel as described in claim 1, which is characterized in that the inductive probe includes visiting
Head handle, the probe handle in a rectangular parallelepiped shape, and are equipped with the groove of rectangle along its length at the surrounded surface center of cuboid,
One end endface of the probe handle is connected with probe wire, and the probe wire extension is connected to the control device, the probe
The other end of handle is connected with PCB circuit board.
3. a kind of online remanent magnetism detection device of round steel as claimed in claim 2, which is characterized in that the probe line length is
2500-3500mm。
4. a kind of online remanent magnetism detection device of round steel as claimed in claim 2, which is characterized in that the probe handle length is
60-80mm, for guaranteeing that the maximum round steel of diameter does not generate interference phenomenon with the probe handle in remanent magnetism detection.
5. a kind of online remanent magnetism detection device of round steel as claimed in claim 2, which is characterized in that the PCB circuit board is length
Strip thin plate, the lower surface of the PCB circuit board are equipped with Hall sensor, and the Hall sensor is according to the difference of magnetic field power
Different potential differences is generated, to measure the size of Hall sensor position magnetic field strength.
6. a kind of online remanent magnetism detection device of round steel as described in claim 1, which is characterized in that set in the display device
There are buzzer siren, display screen and multiple coffrets；
The display location is in fluorescent powder carrying out flaw detection dark place region, for showing magnetic field on the round steel where the inductive probe
Specific value；
The buzzer siren is located at below the display screen, for when maximum permissible value of the remanent magnetism on round steel beyond setting
When, issue voice prompt alarm；
Multiple coffrets are for receiving signal.
7. a kind of online remanent magnetism detection device of round steel as described in claim 1, which is characterized in that the remanent magnetism detection device is also
Including servo motor, the servo motor is arranged below the mobile device, and will according to the movement speed of round steel and height
Probe handle is sent to the edge of round steel tail end face.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614225A (en) * | 2018-05-31 | 2018-10-02 | 大冶特殊钢股份有限公司 | A kind of online remanent magnetism detection device of round steel and its detection method |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614225A (en) * | 2018-05-31 | 2018-10-02 | 大冶特殊钢股份有限公司 | A kind of online remanent magnetism detection device of round steel and its detection method |
| CN108614225B (en) * | 2018-05-31 | 2023-12-08 | 大冶特殊钢有限公司 | Online remanence detection device and detection method for round steel |
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Effective date of registration: 20200414 Address after: 435001 Huangshi Road, Hubei, Huangshi, No. 316 Patentee after: Daye Special Steel Co., Ltd Address before: 435001 Huangshi Road, Hubei, Huangshi, No. 316 Patentee before: DAYE SPECIAL STEEL Co.,Ltd. |