CN106199735A - The detecting system of broken needle and method in workpiece - Google Patents
The detecting system of broken needle and method in workpiece Download PDFInfo
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- CN106199735A CN106199735A CN201610748693.1A CN201610748693A CN106199735A CN 106199735 A CN106199735 A CN 106199735A CN 201610748693 A CN201610748693 A CN 201610748693A CN 106199735 A CN106199735 A CN 106199735A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
Abstract
The present invention relates to needle checking machine technical field, specifically, relate to detecting system and the method for broken needle in a kind of workpiece.This detecting system includes: at least one detector unit, and detector unit includes the module and for whether having the inspection magnetic module that bigger remanent magnetism detects in workpiece to be checked after magnetizing of magnetizing for magnetizing workpiece to be checked；And control unit, it is for gathering the detection data at inspection magnetic module the execution corresponding process operation control instruction with output correspondence.Broken needle in weak magnetic metal workpiece can preferably be detected by the present invention.
Description
Technical field
The present invention relates to needle checking machine technical field, specifically, relate to detecting system and the method for broken needle in a kind of workpiece.
Background technology
Existing needle checking machine is when detecting, and search coverage exists the magnetic field of fixing intensity, and irony magnetisable material enters should
The magnetic field intensity at this can be changed during magnetic field, change of magnetic field strength signal can be acquired concurrently by data acquisition module
Giving data processing module, data processing module can be processed to result and send into control circuit, thus completes to detect work.Base
In above-mentioned operation principle, when existing needle checking machine is when detecting weak magnetic metal workpiece (such as aluminium alloy castings etc.), weak
The body of magnetic metal workpiece when by search coverage inside can produce bigger eddy current, this kind of eddy current can cause search coverage
The larger fluctuation of magnetic field intensity, thus the reduction by a relatively large margin of needle checking machine Detection accuracy can be caused.
Such as, in commercial production, with Magnetic Force Mill to when in mobile phone pack alloy, plate is polished, meeting in die casting
Residual broken needle, the length of broken needle is typically at 2mm-6mm, diameter about 0.5mm, how by the least draw point from pack alloy
Middle plate detects the difficult problem in always commercial production.From the foregoing, principle based on existing needle checking machine, existing inspection pin
Machine be operationally can by interference the disturbing of signal produced because of eddy current at metal works, from but be difficult to the most accurately to
Broken pin test is out.
Summary of the invention
In order to overcome existing needle checking machine to there is, because of eddy current, the defect being unable to preferably metal class workpiece be detected, this
Invention provides the detecting system of broken needle in a kind of workpiece, and it has abandoned the Cleaning Principle of existing needle checking machine, by entering workpiece
The capable method examining magnetic again that magnetizes such that it is able to preferably eliminate the impact of eddy current.
According to the detecting system of broken needle in the workpiece of the present invention, comprising:
At least one detector unit, detector unit includes the module and for magnetizing of magnetizing for magnetizing workpiece to be checked
Whether rear workpiece to be checked has the inspection magnetic module that bigger remanent magnetism carries out detecting；And
Control unit, it is for the detection data gathered at inspection magnetic module and performs corresponding process operation to export correspondence
Control instruction.
In the present invention, detector unit is to possess separate magnetize module and inspection magnetic module；This makes, and workpiece can
First be magnetized module to magnetize, due to workpiece be weak magnetic material thus decay is very fast after magnetizing, broken needle be ferromagnetic material because of
And it is slower to decay after magnetizing；When, after certain time, only possessing less remanent magnetism at workpiece and possess bigger remanent magnetism at broken needle；From
And making when workpiece exists broken needle, inspection magnetic module preferably can make action because there is bigger remanent magnetism in broken needle, from
And can preferably broken needle be detected.Compared to traditional needle checking machine, the detecting system in the present invention can be avoided completely
The detection interference brought because of eddy current such that it is able to be greatly promoted accuracy of detection.
As preferably, arbitrary detector unit all includes one or more module that magnetizes, the one or more module that magnetizes
It is respectively used on one or more different directions, workpiece to be checked be magnetized.
As preferably, the quantity of detector unit is at least 2, and the module that magnetizes in these at least 2 detector units is for dividing
In different directions workpiece to be checked is not magnetized.
Present inventor finds in practical operation, for the broken needle in workpiece, due to magnetic anisotropy
Existing, can there are about 20 ° of blind areas of magnetizing in the single module that magnetizes, by arranging multiple mould that magnetizes when magnetizing broken needle
Broken needle is magnetized by block in a plurality of directions, and makes to cooperate to enter blind area of magnetizing by the plurality of intermodule that magnetizes
Row covers, and can ensure that the broken needle of any random site all can preferably be magnetized.
In order to overcome the problem of blind area of magnetizing, a kind of concrete scheme that the present invention is given is to arrange many at detector unit
The individual module that magnetizes being respectively used on multiple different directions workpiece to be checked is magnetized；The present invention gives another kind of tool
The scheme of body, arranges at least 2 detector units, uses the module that magnetizes in these at least 2 detector units respectively at different directions
On workpiece to be checked is magnetized.Even if it addition, the present invention does not the most use above-mentioned 2 scheme, it is also possible to by repeatedly to work
Part carries out detecting and reaching close effect.
As preferably, the module that magnetizes uses permanent magnet, electric magnet or magnet charger, inspection magnetic module to include magneto-dependent sensor.
As preferably, also include that material picking performance element, material picking performance element have two kinds of output states, control unit according to
Whether inspection magnetic module detects that bigger remanent magnetism exports respectively for making material picking performance element carry out between the two output state
The different control instructions of switching.So that, mechanism for sorting can according to whether detect broken needle and carry out corresponding action, from
And preferably can will there is the workpiece of broken needle and there is not the workpiece of broken needle and separate.
As preferably, also including alarm unit, control unit exports for making when examining magnetic module and bigger remanent magnetism being detected
The control instruction of alarm unit action.The setting of alarm unit enable a user to know in time whether workpiece exists disconnected
Pin.
As preferably, also including display unit, display unit shows for the data processing control unit.
In order to overcome existing needle checking machine to there is, because of eddy current, the defect being unable to preferably metal class workpiece be detected, this
Invention additionally provides the detection method of broken needle in a kind of workpiece, and it has abandoned the Cleaning Principle of existing needle checking machine, by workpiece
Carry out the method examining magnetic again that magnetizes such that it is able to preferably eliminate the impact of eddy current.
According to the detection method of broken needle in the workpiece of the present invention, it comprises the following steps:
(1) use the module that magnetizes that workpiece to be checked is magnetized；
(2) use an inspection magnetic module detects whether having bigger remanent magnetism in workpiece to be checked after magnetizing；
(3) use a control unit that the detection data at inspection magnetic module are processed, and by control unit according to inspection
Whether magnetic module detects that bigger remanent magnetism exports the control instruction of correspondence.
As preferably, in step (1), workpiece to be checked is magnetized by the module that magnetizes in a plurality of directions.
As preferably, multiple module that magnetizes is used on multiple different specific directions, workpiece to be checked to be filled respectively
Magnetic, and use multiple inspection magnetic module after arbitrary module that magnetizes magnetizes, workpiece to be checked to be detected one to one.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of needle checking machine in embodiment 1；
Fig. 2 is the schematic diagram of the needle checking machine body in embodiment 1；
Fig. 3 is that the perpendicular of needle checking machine body in embodiment 1 cuts open schematic diagram；
Fig. 4 is the schematic diagram of the feeding machine frame in embodiment 3；
Fig. 5 is the schematic diagram of the first support element in embodiment 3；
Fig. 6 is the schematic diagram of the first track component in embodiment 3；
Fig. 7 is the schematic diagram of the conveyor frame in embodiment 3；
Fig. 8 is the schematic diagram of the second support element in embodiment 3；
Fig. 9 is the schematic diagram of the second track component in embodiment 3；
Figure 10 is the schematic diagram of the mechanism for sorting in embodiment 5；
Figure 11 is another visual angle schematic diagram of the mechanism for sorting in embodiment 5；
Figure 12 is the schematic diagram of broken needle detecting system in a kind of workpiece in embodiment 6；
Figure 13 is the schematic diagram of the upper inspection magnetic cell body in embodiment 8；
Figure 14 is the schematic diagram of the lower inspection magnetic cell body in embodiment 8.
Detailed description of the invention
For further appreciating that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.It is to be understood that
, embodiment be only the present invention explained and and non-limiting.
Embodiment 1
Present embodiments providing a kind of needle checking machine, the broken needle in workpiece can preferably be detected by it, the most right
Ferromagnetic material broken needle in weak magnetic material workpiece detects, it is possible to be preferably applicable to such as aluminium alloys such as mobile phone backboards
Broken needle in foundry goods detects.
As it is shown in figure 1, it includes that needle checking machine body 110, needle checking machine body 110 include the conveying for transmitting workpiece to be checked
Unit, is provided with at least one detector unit at supply unit, detector unit includes setting gradually along supply unit direction of transfer
The module that magnetizes and inspection magnetic module.
The detector unit of the needle checking machine in the present embodiment is to possess separate magnetize module and inspection magnetic module；This makes
, can first be magnetized module when workpiece runs at supply unit and magnetize, owing to workpiece is weak magnetic material thus magnetizes
Rear decay is very fast, broken needle is ferromagnetic material thus decay after magnetizing slower；When workpiece arrives at inspection magnetic module, at workpiece only
Possess and at less remanent magnetism, broken needle, possess bigger remanent magnetism；So that when there is broken needle in workpiece, inspection magnetic module can be preferably
Action is made such that it is able to preferably broken needle is detected because broken needle exists bigger remanent magnetism.
Compared to traditional needle checking machine, the needle checking machine in the present embodiment can avoid the detection brought because of eddy current to do completely
Disturb such that it is able to be greatly promoted accuracy of detection.
On the other hand, owing to broken needle distribution at workpiece is random, due to the existence of magnetic anisotropy so that single
The module that magnetizes can not well the broken needle of multiple distribution mode that may be present be magnetized, this relates to one
The problem how reducing loss.
In order to overcome the missing inspection problem brought by magnetic anisotropy, the detector unit in the present embodiment uses such as lower section
Formula.
In conjunction with Fig. 2,3, detector unit quantity is 2, is respectively on supply unit direction of transfer spaced first
Detector unit and the second detector unit.The module that magnetizes in these 2 detector units is for distinguishing in different directions to work to be checked
Part magnetizes.
Specifically, the first detector unit include first magnetize module 111a and first inspection magnetic module 111b, second detection
Unit includes that second magnetizes module 310 and the second inspection magnetic module 112, and first module 111a and second that magnetizes magnetizes module 310
The equal level of approximation of magnetic induction line through above supply unit and mutual angle at 45 °.
Present inventor finds in practical operation, and for the broken needle in workpiece, the single module that magnetizes is to disconnected
The blind area of magnetizing of one about 20 ° can be there is, by arranging multiple module that magnetizes in a plurality of directions to broken needle when pin magnetizes
Magnetize, and make by cooperating of the plurality of intermodule that magnetizes, blind area of magnetizing to be covered, can ensure arbitrarily
The broken needle of random site all can preferably be magnetized.In the present embodiment, first be given module 111a and second that magnetizes magnetizes
The magnetic induction line deflection angle of module 310 is 45 °, and it only provides a concrete numerical value, actually exists when this deflection angle
It is all to produce preferably effect between 30 °～60 °, the application is not enumerating.
It addition, the concrete mode arranging multiple module that magnetizes also is not limited to the mode in the present embodiment, it is also possible to for
As arranged multiple unit that magnetizes at a detector unit, as long as blind area of magnetizing is covered.In a word, the present embodiment is only
Giving the set-up mode that one of which is concrete, those skilled in the art is not making any creation according to spirit herein
The work of property and any simple deformation that carries out all should fall into the protection domain of the application.
It addition, the quantity of detector unit is 2 in the present embodiment, in practice, the quantity of detector unit is can
It it is any number including 1；And predictably, the quantity of detector unit is the most, the precision of detection is also more
High.But, in order to reach preferably accuracy of detection and relatively low cost simultaneously, the quantity of detector unit is more closed between 2～4
Suitable, the application enumerates the most one by one.
In the present embodiment, supply unit includes the feed channel 121 being sequentially connected with and transmits road 131, and feed channel 121 is at height
Side is upwardly formed drop, transmits road 131 and is horizontally disposed with.It practice, the effect of supply unit is only that transmitting workpiece makes and is allowed to
Through detector unit, it can use the load mode being arbitrarily capable of this kind of function, only give wherein in the present embodiment
A kind of specific embodiment；In this kind of embodiment of supply unit, the existence of feed channel 121 so that workpiece can be preferable
Carry out feeding.
In the present embodiment, supply unit discharging end is additionally provided with a mechanism for sorting 140, and mechanism for sorting 140 has for respectively
Detect broken needle with detector unit and do not detect two output stations that broken needle is corresponding.So that, mechanism for sorting 140 energy
Enough according to whether detect broken needle and carry out corresponding action such that it is able to preferably will to there is the workpiece of broken needle and do not exist disconnected
The workpiece of pin separates.
In the application, the effect of the module that magnetizes is only that one magnetic field of offer, and it can take various forms, such as permanent magnetism
Body, electric magnet, magnet charger etc.；In the present embodiment, in order to take into account the succinct of manufacturing cost, operating cost and needle checking machine entirety,
The module that magnetizes uses permanent magnet.
In the application, inspection magnetic module only needs to carry out action when bigger remanent magnetism being detected, and therefore it also is able to
Take various forms.In the present embodiment, inspection magnetic module is mainly made up of magneto-dependent sensor, and it is when bigger remanent magnetism being detected, energy
Enough generation can directly be generalized the signal of telecommunication that equipment receives and processes.
In the present embodiment, be additionally provided with at needle checking machine body 110 be connected with its internal inspection system for realizing warning merit
The alarm device 150 of energy, that additionally matches with needle checking machine body 110 is additionally provided with for being managed its internal inspection system
The switch board 160 controlled.
Embodiment 2
The present embodiment also provides a kind of needle checking machine, and it is with the difference of embodiment 1: in the present embodiment, for overcoming magnetic
Anisotropy, gives the another kind of set-up mode of the module that magnetizes；Wherein, arbitrary detector unit all includes multiple module that magnetizes,
The plurality of module that magnetizes is respectively used to magnetize workpiece to be checked on multiple different directions.
In the present embodiment, it is located at the multiple modules that magnetize at arbitrary detector unit, the relation between quantity and locus,
The analysis conclusion in embodiment 1 should be met, i.e. need blind area of magnetizing is covered.
Embodiment 3
On the basis of embodiment 1 or 2, present embodiments provide a kind of split type rack construction.
Seeing Fig. 1,2 or 3, the split type rack construction in the present embodiment includes separate feeding machine frame 120 and passes
Send frame 130, at feeding machine frame 120, be provided with feed channel 121, at conveyor frame 130, be provided with transmission road 131；Feed channel 121 is at height
Degree side is upwardly formed drop, transmits road 131 and is horizontally disposed with, and feed channel 121 lower end is the most concordant with transmitting road 131 and stretches into transmission
Above road 131.
As shown in Figure 4, feeding machine frame 120 includes the first support element 122 and the first track component 123, the first track structure
Part 123 includes the first connecting plate 211 and the second connecting plate 212 arranged in parallel, the first connecting plate 211 and the second connecting plate
Tilt between 212 is provided with feed rail guidance tape, and the upper surface of feed rail guidance tape forms feed channel 121.
As it is shown in figure 5, the first support element 122 includes the first vertical rod 511 and the second vertical rod 512 being all vertically arranged, the
One vertical rod 511 and the second vertical rod 512 at sustained height respectively homonymy be vertically provided with the first vertical rod 521 and the second vertical rod
522, above the outer end of the first vertical rod 521 and the second vertical rod 522, place is respectively perpendicular and is provided with First Transition bar 531 and the second mistake
Cross bar 532.Between First Transition bar 531 and the second transiting rod 532, level is provided with the first mounting rod 541, the first vertical rod 511 and second
Between vertical rod 512, level the most successively is provided with the second mounting rod 542 and the 3rd mounting rod 543, and makes the second installation
Bar 542 and the first mounting rod 541 are on sustained height.First connecting plate 211 and the second connecting plate 212 are all installed by first
Bar the 541, second mounting rod 542 and the 3rd mounting rod 543 are arranged on the first support element 122, when specifically installing, first even
Fishplate bar 211 and the second connecting plate 212 are corresponding with first mounting rod the 541, second mounting rod 542 and the 3rd mounting rod 543
Position is equipped with through hole, thus first mounting rod the 541, second mounting rod 542 and the 3rd mounting rod 543 are each passed through first
Connecting plate 211 and the second connecting plate 212 can realize Fast Installation.
It addition, be additionally provided with reinforcing bar 550, the first vertical rod 521 He between the first vertical rod 511 and the second vertical rod 512 in bottom
The contiguous block 410 for coordinating it is additionally provided with conveyor frame 130 at the outer end of the second vertical rod 522.
In the present embodiment, the first support element 122 is by above-mentioned structure, it is possible to by using less material to realize
Preferably stability and installation function, thus portable construction, beneficially execution.
As shown in Figure 6, in the first track component 123, the first connecting plate 211 and the second connecting plate 212 are configured to approximation
In right triangular shape, the first connecting plate 211 and the second connecting plate 212 right-angled apices portion are used for coordinating with the 3rd mounting rod 543,
First connecting plate 211 and remaining 2 apex of the second connecting plate 212 for respectively with the first mounting rod 541 and the second mounting rod
542 coordinate.Feed rail guidance tape is located at the first connecting plate along the hypotenuse portion of the first connecting plate 211 and the second connecting plate 212
211 and second between connecting plate 212, and what the both sides of feed rail guidance tape were the most vertical is provided with first gear side plate 125, first gear side plate
125 are configured to the first square backgauge portion 125a with the corresponding position of feed rail guidance tape, are configured for below first gear side plate 125
Stretch into the First Transition portion 125b transmitted in road 131.
In the present embodiment, first module 111a that magnetizes is provided at below feed rail guidance tape, and first magnetizes module 111a
Two ends are overlapped at the hypotenuse of the first connecting plate 211 and the second connecting plate 212 respectively.
In the present embodiment, the lower section of the first vertical rod 511 and the second vertical rod 512 is equipped with the first adjustable support foot 124, thus
Preferably the height of the first support element 122 can be adjusted.
As it is shown in fig. 7, conveyor frame 130 includes the second support element 132 and the second track component 133, the second track structure
Part 133 includes conveyer belt, and the work surface of conveyer belt is formed and transmits road 131.It is understood that the second support element 132 is main
It is that therefore its concrete form can be multiple in order to realize a function supported；Second track component 133 primarily to
Workpiece is transported so that it can through detector unit, therefore the second track component 133 can not affect detector unit
Take various forms in the case of realizing detection (including magnetizing and examining magnetic) function.
As shown in Figure 8, the second support element 132 includes the second support element body 810, the second support element body 810
Lower section is provided with support member, and the second support element body 810 is arranged over an installation panel 820.Panel 820 is installed and is positioned at transmission road
The lower section of 131, install panel 820 can be used in setting magnetize module or inspection magnetic module.Second support element body 810 one end
(left end in Fig. 8), for being connected with contiguous block 410, second support element body 810 other end (right-hand member in Fig. 8) divides for arranging
Pick mechanism 140.
As it is shown in figure 9, the second track component 133 includes conveyer belt 910, conveyer belt 910 is by being located at the second support element
Above body 810, driving pulley 920 and the driven pulley 930 at two ends realize operating, and conveyer belt 910 is positioned at driving pulley 920 He
Upper surface between driven pulley 930 constitutes transmission road 131.Driving pulley 920 is driven by a driving motor 940, driving motor 940
It is located at the second support element body 810 by an electric machine support seat 950.Second support element body 810 is at driving pulley 920
Being provided with the first termination protecting cover 961 at Shang Fang, the second support element body 810 place above driven pulley 930 is provided with the second termination
Protecting cover 962.The middle part of conveyer belt 910 is additionally provided with support wheel 970, and the nearly driving pulley 920 of conveyer belt 910 is at relative both sides
It is additionally provided with a pair regulation wheel 980.
In the present embodiment, the both sides transmitting road 131 are equipped with second gear side plate 134, and second gear side plate 134 can not only be relatively
Good prevents workpiece coming off at transmission road 131, and makes to magnetize module and/or examine magnetic module also to be able to preferably pass through
Second gear side plate 134 is located at transmission road 131.
It addition, on the one hand magnetic field decay in space is obviously (to be directly proportional to 3 powers of distance), the opposing party
Face broken needle is also random at the distributing position of surface of the work；Here it is make, in order to ensure higher accuracy of detection, it is necessary to
The broken needle that may locate to exist at an arbitrary position in module and inspection magnetic module and workpiece that ensures to magnetize will keep one nearer away from
From (can reach preferably to magnetize effect and examine magnetic effect to be as the criterion).Thus, the material selection of the conveyer belt 910 in the present embodiment
Do not result in the material of magnetic interference.This allows for, can not only by second gear side plate 134 will magnetize module and/or examine magnetic
Module be located at transmission road 131 above, but also can by install panel 820 will magnetize module and/or examine magnetic module be located at biography
Send below 131；It is thus possible to preferably carry out magnetizing and/or examining magnetic from multi-faceted, and then can effectively promote detection essence
Degree.
Those skilled in the art it should be appreciated that the second track component 133 concrete mode including, but not limited to
The mode gone out given in the present embodiment, the module that magnetizes and/or inspection magnetic module are also not strictly necessary to be arranged on and transmit road 131
Lower section.Such as, if the module that magnetizes the most only is located at above transmission road 131 with inspection magnetic module, then the second track component 133 just may be used
To use the version being arbitrarily capable of workpiece transmitting function, although the accuracy of detection only carrying out one-time detection can be inferior to this
The structure gone out given in embodiment, but can be by workpiece being carried out repeated detection and reaching close effect.
Embodiment 4
The present embodiment is on the basis of embodiment 3, it is provided that a kind of walking supporting mechanism for needle checking machine frame.
Ginseng looks for Fig. 2,3,7 or 8, and it includes conveyor frame 130, is provided with the second adjustable support foot 135 below conveyor frame 130
With road wheel 136.
In the present embodiment, conveyor frame 130 includes the second support element 132, the second adjustable support foot 135 and road wheel
136 are all located at below the second support element 132.Second adjustable support foot 135 includes pad and screw rod, screw rod epimere and conveyer
Frame 130 threaded engagement, screw rod lower end is connected with pad.
In the present embodiment, for the second adjustable support foot 135, pad can pass through spiral shell with the distance of conveyor frame 130
Bar is adjusted, and this makes when conveyor frame 130 is installed, it is possible to by being adjusted each second adjustable support foot 135,
And conveyor frame 130 can be arranged at the ground of various working more smoothly.It addition, the setting of road wheel 136 makes,
By making the second adjustable support foot 135 can preferably move conveyor frame 130 away from ground.
In the present embodiment, road wheel 136 uses universal wheel, road wheel 136 to be located at the inner side of the second adjustable support foot 135.
Road wheel 136 is located at the inner side of the second adjustable support foot 135 and is advantageous in that, owing to the second adjustable support foot 135 is to may require that
Being adjusted, it is located at outside and can be conveniently adjusted.
It addition, for according to the walking supporting mechanism function to be realized in the present embodiment, those skilled in the art
Should be beyond all doubt it is understood that should the receiving upward when going upward at maximum position of the second adjustable support foot 135
Shrink in the second adjustable support foot 135, the second adjustable support foot 135 should protrude from downwards when coming downwards at maximum position
Two adjustable support foots 135.
Embodiment 5
Present embodiments providing a kind of mechanism for sorting for needle checking machine, this mechanism for sorting 140 is used for being located at needle checking machine originally
At the discharging end of body 110 supply unit, it can preferably apply in embodiment 1 or 2 or 3.
Such as Figure 10, shown in 11, this mechanism for sorting 140 includes the cutting plate 142 for arranging along supply unit traffic direction,
Cutting plate 142 back is perpendicular to the rotary shaft 1010 of supply unit traffic direction and is connected with one, and rotary shaft 1010 is rotating to be set
At needle checking machine body 110；Rotary shaft 1010 one end is connected with needle checking machine body 110 by an actuating unit 141, actuating unit
141 are used for driving rotary shaft 1010 to rotate.
In the present embodiment, rotary shaft 1010 two ends are all connected with bearing block 1020 bearing, and bearing block 1020 is located at inspection pin
At machine body 110.Actuating unit 141 includes cylinder, and the outfan of cylinder is by a linkage and described in rotary shaft 1,010 one
End connects.Linkage include the first connecting rod 1030 that is connected with cylinder outfan vertically and radially with rotary shaft 1010 institute
Stating the second connecting rod 1040 that one end connects, first connecting rod 1030 is articulated and connected with second connecting rod 1040.Cutting plate 142 both sides all to
On turn up and be configured to guide lip 142a.
With reference to Fig. 8, when the mechanism for sorting in the present embodiment is in embodiment 3, the bearing block at rotary shaft 1010 two ends
1020 are located at the right-hand member of the second support element body 810 by a bearing mounting plate 830 respectively, and cylinder is also located at the simultaneously
Two support element body 810 corresponding positions.
Embodiment 6
Present embodiments providing detecting system and the method for broken needle in a kind of workpiece, it can use and include but not limited to reality
The concrete structure executed in example 1 or 2 is realized.
With reference to shown in Figure 12, the detecting system in the present embodiment includes: at least one detector unit, and detector unit includes using
In the module and whether have what bigger remanent magnetism detected in workpiece to be checked after magnetizing of magnetizing that workpiece to be checked is magnetized
Inspection magnetic module；And control unit, it is for the detection data gathered at inspection magnetic module and performs corresponding process operation with defeated
Go out the control instruction of correspondence.
With reference to the analysis in embodiment 1, in order to overcome the single module that magnetizes caused because of magnetic anisotropic can not be relatively
The defect comprehensively broken needle of optional position the most preferably magnetized, it is possible to multiple side of magnetizing is set by arbitrary detector unit
To the different modules that magnetizes, even if or only arranging the module that magnetizes at each detector unit and also be able to by arranging multiple inspection
Survey unit to be overcome, or overcome by workpiece is carried out repeated detection in multiple orientation.
It addition, magnetize, module can be that multiple including permanent magnet, electric magnet or magnet charger can provide stable magnetic
The unit of field or device, inspection magnetic module can use such as magneto-dependent sensor.
In the present embodiment, also include that material picking performance element, material picking performance element have two kinds of output states, control unit energy
Enough according to examining whether magnetic module detects that bigger remanent magnetism exports respectively for making material picking performance element at the two output state
Between the different control instructions that switch over.
When the concrete structure during the system in the present embodiment uses embodiment 1 is realized, detector unit can be with reality
The mode executed in example 1 is located at supply unit.
When the concrete structure during the system in the present embodiment uses embodiment 2 is realized, detector unit can be with reality
The mode executed in example 2 is located at supply unit.
In the present embodiment, also including alarm unit and display unit, control unit detects bigger remanent magnetism in inspection magnetic module
Time output for making the control instruction of alarm unit action, display unit shows for the data processing control unit.
When the system of the present embodiment uses the mechanism in embodiment 1 or 2 to be realized, control unit, display unit etc. can be located at control
At cabinet 160 processed, alarm unit can be located at alarm device 150.
Based on the detecting system in the present embodiment, the present embodiment additionally provides the detection method of broken needle in a kind of workpiece.Its
Comprise the following steps:
1, use the module that magnetizes that workpiece to be checked is magnetized；
2, use an inspection magnetic module detects whether having bigger remanent magnetism in workpiece to be checked after magnetizing；
3, use a control unit that the detection data at inspection magnetic module are processed, and by control unit according to inspection magnetic
Whether module detects that bigger remanent magnetism exports the control instruction of correspondence.
Wherein, in step 1: the single module that magnetizes can be used in a plurality of directions workpiece to be checked to be magnetized, also can
Multiple module that magnetizes enough is used on multiple different specific directions, workpiece to be checked to be magnetized respectively.It should be appreciated that
When use the single module that magnetizes in a plurality of directions workpiece is magnetized time can, can use repeatedly workpiece to be entered when implementing
The mode of row detection realizes；When use multiple magnetize module time, it is possible to use arrange multiple detector unit mode or detection
The mode arranging multiple module that magnetizes at unit realizes.
Embodiment 7
In order to preferably overcome the missing inspection that may bring because of magnetic anisotropy, present embodiments provide a kind of for improving
The magnetizer of needle checking machine accuracy of detection and method, it can preferably apply in embodiment 1 or 2 or 6.
Magnetizer in the present embodiment is included at needle checking machine body 110 supply unit and sets gradually along its traffic direction
At least 2 modules that magnetize, the equal level of approximation of magnetic induction line of described at least 2 modules that magnetize through above supply unit and
It is not parallel to each other.
In the present embodiment, the magnetic induction line angle of two modules that magnetize of arbitrary neighborhood can be appointing between 30 °～60 °
One value, the module that magnetizes uses such as permanent magnet, electric magnet or magnet charger.
With reference to Fig. 3, when the magnetizer in the present embodiment applies in the needle checking machine in embodiment 1, the number of the module that magnetizes
Amount is 2, and respectively first module 111a and second that magnetizes magnetizes module 310, and first module 111a and second that magnetizes magnetizes mould
The magnetic induction line angle at 45 ° of block 310.
Based on the magnetizer in the present embodiment, the present embodiment additionally provides a kind of for improving needle checking machine accuracy of detection
Magnetization method, fills comprising: arrange at least 2 along the traffic direction of needle checking machine body 110 supply unit at supply unit
Magnetic module, and the equal level of approximation of magnetic induction line of at least 2 modules that magnetize described in making through above supply unit and uneven mutually
OK.
In the present embodiment, it is possible to make the magnetic induction line of arbitrary module that magnetizes both with respect to, it is at supply unit traffic direction
Rear, the magnetic induction line of the adjacent module that magnetizes is at direction upper deflecting 30 °～60 ° clockwise or counterclockwise.
When magnetization method in the present embodiment uses the structure in embodiment 1 to be realized, with reference to Fig. 3, at supply unit
Place arranges 2 modules that magnetize, and to make the magnetic induction line angle of described 2 modules that magnetize be 45 °.
Embodiment 8
On the one hand very fast due to the magnetic field rate of decay in space, on the other hand due to broken needle in the distribution of surface of the work be
Random, this all can produce considerable influence to the precision of inspection magnetic.In order to preferably overcome drawbacks described above, present embodiments provide one
Planting inspection magnetic device and the method for promoting needle checking machine accuracy of detection, it can preferably apply in embodiment 1 or 2 or 6.
The inspection magnetic device for promoting needle checking machine accuracy of detection in the present embodiment, it includes being located at needle checking machine body 110
Inspection magnetic module at supply unit, inspection magnetic module includes inspection magnetic cell and lower inspection magnetic cell, and it is single that upper inspection magnetic cell is positioned at conveying
Above unit and detection faces is towards supply unit, lower inspection magnetic cell is positioned at below supply unit and detection faces is towards supply unit.
In the present embodiment, upper inspection magnetic cell includes that the multiple separate magnetosensitive arranged along supply unit width passes
Sensor, the detection range of the plurality of magneto-dependent sensor is overlapping successively on supply unit width.
In the present embodiment, lower inspection magnetic cell includes the other multiple separate magnetic arranged along supply unit width
Dependent sensor, the detection range of described other multiple magneto-dependent sensors is overlapping successively on supply unit width.
In the present embodiment, upper inspection magnetic cell connects different data acquisition units, upper inspection magnetic list respectively from lower inspection magnetic cell
It is connected with same independent power supply unit between first with corresponding data acquisition unit, lower inspection magnetic cell and corresponding data acquisition list
It is connected with other same independent power supply unit between unit.
In the present embodiment, described same independent power supply unit and described other same independent power supply unit are respectively adopted
Individually earth terminal.
During the frame structure that the inspection magnetic device in the present embodiment is used in embodiment 3, as shown in figure 13, upper inspection magnetic cell bag
Include inspection magnetic cell body 1300；As shown in figure 14, lower inspection magnetic cell includes lower inspection magnetic cell body 1400；Wherein, upper inspection magnetic
Cell body 1300 is located at above supply unit by second gear side plate 134, and lower inspection magnetic cell is located at defeated by installing panel 820
Send below unit.
Upper inspection magnetic cell body 1300 includes that two ends are carried out even for second gear side plate 134 with supply unit both sides respectively
The upper inspection magnetic cell support 1310 connect, upper inspection magnetic cell support 1310 is arranged over inspection magnetic cell cover plate 1320；Upper inspection magnetic list
It is provided with the upper inspection magnetic cell circuit board 1330 for arranging the plurality of magneto-dependent sensor, upper inspection magnetic cell below unit's support 1310
A first circuit board fixed plate 1340 it is provided with below circuit board 1330；First circuit board fixed plate 1340 for preferably by
Inspection magnetic cell circuit board 1330 is fixed at inspection magnetic cell support 1310, and is provided with use at first circuit board fixed plate 1340
The first detection hole 1341 that detection faces in the plurality of magneto-dependent sensor is exposed.
Lower inspection magnetic cell body 1400 includes lower inspection magnetic cell installing plate 1410, install be provided with at panel 820 for under
The installing hole that inspection magnetic cell installing plate 1410 coordinates, lower inspection magnetic cell installing plate 1410 is arranged over for arranging described the most
The lower inspection magnetic cell circuit board 1420 of individual magneto-dependent sensor, lower inspection magnetic cell circuit board 1420 is arranged over second circuit board and fixes
Plate 1430；Second circuit board fixed plate 1430 for being preferably fixed on lower inspection magnetic cell peace by lower inspection magnetic cell circuit board 1420
At dress plate 1410, at second circuit board fixed plate 1430, it is provided with what the detection faces for described other multiple magneto-dependent sensors was exposed
Second detection hole 1431.
Based on the inspection magnetic device in the present embodiment, the present embodiment additionally provides a kind of for promoting needle checking machine accuracy of detection
Inspection magnetism method, comprising: arrange inspection magnetic module at needle checking machine body 110 supply unit, inspection magnetic module includes inspection magnetic cell
With lower inspection magnetic cell；Upper inspection magnetic cell is located at above supply unit and makes the detection faces of upper inspection magnetic cell towards conveying list
Unit, is located at below supply unit by lower inspection magnetic cell and makes the detection faces of lower inspection magnetic cell towards supply unit.
In the present embodiment, upper inspection magnetic cell uses multiple separate magneto-dependent sensors, by the plurality of magneto-dependent sensor
Width along supply unit carries out array, and makes the detection range of the plurality of magneto-dependent sensor in supply unit width side
The most overlapping.
In the present embodiment, lower inspection magnetic cell uses other multiple separate magneto-dependent sensors, by these other multiple magnetic
Dependent sensor carries out array along the width of supply unit, and makes the detection range of these other multiple magneto-dependent sensors defeated
Send on cell width direction overlapping successively.
In the present embodiment, upper inspection magnetic cell is attached with different data acquisition units respectively from lower inspection magnetic cell.
In the present embodiment, upper inspection magnetic cell is carried out even with corresponding data acquisition unit and same independent power supply unit
Connect, lower inspection magnetic cell is attached with other same independent power supply unit with corresponding data acquisition unit, and by described
The earth terminal of same independent power supply unit and described other same independent power supply unit is individually arranged.
Schematically being described the present invention and embodiment thereof above, this description does not has restricted, institute in accompanying drawing
Show is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if the common skill of this area
Art personnel enlightened by it, in the case of without departing from the invention objective, designs and this technical scheme without creative
Similar frame mode and embodiment, all should belong to protection scope of the present invention.
Claims (10)
1. the detecting system of broken needle in workpiece, it is characterised in that: include,
At least one detector unit, detector unit includes the module and for treating of magnetizing for magnetizing workpiece to be checked to after magnetizing
Whether inspection workpiece has the inspection magnetic module that bigger remanent magnetism carries out detecting；And
Control unit, it is for gathering the detection data at inspection magnetic module the execution corresponding process operation control with output correspondence
System instruction.
Detecting system the most according to claim 1, it is characterised in that: arbitrary detector unit all includes one or more magnetizing
Module, the one or more module that magnetizes is respectively used to magnetize workpiece to be checked on one or more different directions.
Detecting system the most according to claim 1, it is characterised in that: the quantity of detector unit is at least 2, and these are at least 2 years old
The module that magnetizes in individual detector unit is for magnetizing to workpiece to be checked the most in different directions.
Detecting system the most according to claim 1, it is characterised in that: the module that magnetizes uses permanent magnet, electric magnet or magnetizes
Machine, inspection magnetic module includes magneto-dependent sensor.
Detecting system the most according to claim 1, it is characterised in that: also include material picking performance element, material picking performance element
Have two kinds of output states, according to inspection magnetic module, whether control unit detects that bigger remanent magnetism exports respectively for making material picking perform
The different control instructions that unit switches between the two output state.
Detecting system the most according to claim 1, it is characterised in that: also including alarm unit, control unit is at inspection magnetic mould
When block detects bigger remanent magnetism, output is for the control instruction making alarm unit action.
Detecting system the most according to claim 1, it is characterised in that: also including display unit, display unit is for control
The data of cell processing processed show.
8. the detection method of broken needle in workpiece, it comprises the following steps:
(1) use the module that magnetizes that workpiece to be checked is magnetized；
(2) use an inspection magnetic module detects whether having bigger remanent magnetism in workpiece to be checked after magnetizing；
(3) use a control unit that the detection data at inspection magnetic module are processed, and by control unit according to inspection magnetic mould
Whether block detects that bigger remanent magnetism exports the control instruction of correspondence.
Detection method the most according to claim 8, it is characterised in that: in step (1), the module that magnetizes is the most right
Workpiece to be checked magnetizes.
Detection method the most according to claim 8, it is characterised in that: use multiple module that magnetizes respectively in multiple differences
Specific direction on workpiece to be checked is magnetized, and use multiple inspection magnetic module to magnetize in arbitrary module that magnetizes one to one
Afterwards workpiece to be checked is detected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610748693.1A CN106199735A (en) | 2016-08-28 | 2016-08-28 | The detecting system of broken needle and method in workpiece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610748693.1A CN106199735A (en) | 2016-08-28 | 2016-08-28 | The detecting system of broken needle and method in workpiece |
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| CN106199735A true CN106199735A (en) | 2016-12-07 |
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| CN201610748693.1A Pending CN106199735A (en) | 2016-08-28 | 2016-08-28 | The detecting system of broken needle and method in workpiece |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107238656A (en) * | 2017-07-21 | 2017-10-10 | 深圳天溯计量检测股份有限公司 | A kind of calibration method of needle checking machine |
| CN113655501A (en) * | 2021-09-02 | 2021-11-16 | 宁波九纵智能科技有限公司 | Beidou positioning-based on-site electrified body safe distance area division system and method |
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| CN113655501A (en) * | 2021-09-02 | 2021-11-16 | 宁波九纵智能科技有限公司 | Beidou positioning-based on-site electrified body safe distance area division system and method |
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Inventor after: Zheng Qingqiu Inventor after: Liang Zhengnan Inventor after: Wang Mengzhe Inventor after: Zhang Zhonghu Inventor before: Liang Zhengnan Inventor before: Wang Mengzhe Inventor before: Zheng Qingqiu Inventor before: Zhang Zhonghu |
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Application publication date: 20161207 |