CN206020684U - The detecting system of broken needle in workpiece - Google Patents
The detecting system of broken needle in workpiece Download PDFInfo
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- CN206020684U CN206020684U CN201620958450.6U CN201620958450U CN206020684U CN 206020684 U CN206020684 U CN 206020684U CN 201620958450 U CN201620958450 U CN 201620958450U CN 206020684 U CN206020684 U CN 206020684U
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Abstract
This utility model is related to needle checking machine technical field, specifically, is related to a kind of detecting system of broken needle in workpiece.The detecting system includes：At least one detector unit, detector unit include magnetize module and the inspection magnetic module for whether having larger remanent magnetism to be detected in workpiece to be checked after to magnetizing for magnetizing to workpiece to be checked；And control unit, which is used for the detection data gathered at inspection magnetic module and executes corresponding process operating to export corresponding control instruction.This utility model preferably can be detected to the broken needle in weak magnetic metal works.
Description
Technical field
The present invention relates to needle checking machine technical field, specifically, is related to a kind of detecting system of broken needle in workpiece.
Background technology
When being detected, there is the magnetic field of fixing intensity in search coverage to existing needle checking machine, irony magnetisable material is entered 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
Data processing module is given, data processing module can be processed to result and send into control circuit, so as to complete to detect work.Base
In above-mentioned operation principle, when existing needle checking machine is when detecting to weak magnetic metal works (such as aluminium alloy castings etc.), weak
The body of magnetic metal workpiece by search coverage when inside can produce larger vortex, this kind of vortex can cause search coverage
The larger fluctuation of magnetic field intensity, so that cause the reduction by a relatively large margin of needle checking machine Detection accuracy.
Such as, in commercial production, when being polished to plate in mobile phone pack alloy with Magnetic Force Mill, meeting in die casting
Residual broken needle, the length of broken needle typically in 2mm-6mm, diameter 0.5mm or so, how by so little draw point from pack alloy
The difficult problem in always commercial production is detected in middle plate.From the foregoing, the principle based on existing needle checking machine, existing inspection pin
Machine is operationally to be subject to the interference signal produced because of vortex at metal works to disturb, from but be difficult accurately will very much
Broken pin test is out.
Content of the invention
In order to overcome existing needle checking machine to be unable to the defect for preferably being detected metal class workpiece because vortex is present, this
Invention provides a kind of detecting system of broken needle in workpiece, and which has abandoned the Cleaning Principle of existing needle checking machine, by entering to workpiece
The capable method for examining magnetic again that magnetizes such that it is able to preferably eliminate the impact of vortex.
According to the detecting system of broken needle in the workpiece of the present invention, which includes：
At least one detector unit, detector unit include for workpiece to be checked is magnetized magnetize module and be used for magnetizing
The inspection magnetic module whether there is in workpiece to be checked larger remanent magnetism to be detected afterwards；And
Control unit, its are used for the detection data at collection inspection magnetic module and execute corresponding process operation corresponding to export
Control instruction.
In the present invention, detector unit is that possess separate magnetize module and inspection magnetic module；This causes, and workpiece can
Be magnetized module first to magnetize, due to workpiece be weak magnetic material thus decay is very fast after magnetizing, broken needle be ferromagnetic material because
And it is slower to decay after magnetizing；When, after certain time, only possessing less remanent magnetism at workpiece and possess larger remanent magnetism at broken needle；From
And cause when there is broken needle in workpiece, inspection magnetic module preferably can make action because there is larger remanent magnetism in broken needle, from
And preferably broken needle can 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 vortex such that it is able to greatly promote accuracy of detection.
Preferably, arbitrary detector unit includes one or more modules that magnetize, one or more of modules that magnetize
It is respectively used on one or more different directions magnetize workpiece to be checked.
Preferably, the quantity of detector unit be at least 2, at least 2 detector units magnetize module for point
In different directions workpiece to be checked is not magnetized.
Present inventor is had found in practical operation, for the broken needle in workpiece, due to magnetic anisotropy
Exist, the single module that magnetizes can have one about 20 ° of blind area of magnetizing to broken needle when magnetizing, by arranging multiple moulds that magnetize
Block is magnetized to broken needle in a plurality of directions, and causes to enter blind area of magnetizing by cooperating for the plurality of intermodule that magnetizes
Row is covered, you can ensure that the broken needle of any random site preferably can be magnetized.
In order to overcome the problem of blind area of magnetizing, a kind of concrete scheme that the present invention is provided to be, arrange at detector unit many
The individual module that magnetizes for being respectively used on multiple different directions magnetize workpiece to be checked；The present invention gives another kind of tool
The scheme of body, arranges at least 2 detector units, using the module that magnetizes at least 2 detector units respectively in different directions
On workpiece to be checked is magnetized.Even if in addition, the present invention does not adopt above-mentioned 2 scheme, it is also possible to by repeatedly to work
Part is detected and is reached close effect.
Preferably, the module that magnetizes is using permanent magnet, electric magnet or magnet charger, inspection magnetic module includes magneto-dependent sensor.
Preferably, also include material picking performance element, material picking performance element has two kinds of output states, control unit according to
Whether inspection magnetic module detects larger remanent magnetism exports respectively for making material picking performance element carry out between described two output states
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 the workpiece and the workpiece that there is no broken needle that can preferably there will be broken needle is separated.
Preferably, also include alarm unit, control unit is exported when magnetic module detects larger remanent magnetism for making examining
The control instruction of alarm unit action.The setting of alarm unit enables a user to be known in workpiece in time with the presence or absence of disconnected
Pin.
Preferably, also including display unit, display unit is used for showing the data of control unit process.
In order to overcome existing needle checking machine to be unable to the defect for preferably being detected metal class workpiece because vortex is present, this
Invention additionally provides a kind of detection method of broken needle in workpiece, and which has abandoned the Cleaning Principle of existing needle checking machine, by workpiece
Magnetized the method for examining magnetic again such that it is able to preferably eliminates the impact of vortex.
According to the detection method of broken needle in the workpiece of the present invention, which comprises the following steps：
(1) workpiece to be checked is magnetized using the module that magnetizes；
(2) whether there is in workpiece to be checked after examining magnetic module to magnetizing using one larger remanent magnetism to detect；
(3) processed to examining the detection data at magnetic module using a control unit, and by control unit according to inspection
Whether magnetic module detects larger remanent magnetism and exports corresponding control instruction.
Preferably, in step (1), the module that magnetizes is magnetized to workpiece to be checked in a plurality of directions.
Preferably, being filled to workpiece to be checked on multiple different specific directions using multiple modules that magnetize respectively
Magnetic, and workpiece to be checked is detected after arbitrary module that magnetizes magnetizes using multiple inspection magnetic modules correspondingly.
Description of the drawings
Fig. 1 is a kind of schematic diagram of the 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 component 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 component 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.
Specific embodiment
For further appreciating that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.It should be understood that
, embodiment be only the present invention is explained and and non-limiting.
Embodiment 1
Present embodiments provide a kind of needle checking machine, its can preferably to workpiece in broken needle detect, especially right
Ferromagnetic material broken needle in weak magnetic material workpiece is detected, preferably can be applied to the such as aluminium alloy such as mobile phone backboard
Broken needle in foundry goods is detected.
As shown in figure 1, which includes needle checking machine body 110, needle checking machine body 110 is included for transmitting the conveying of workpiece to be checked
Unit, is provided with 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 that possess separate magnetize module and inspection magnetic module；This makes
, workpiece can be magnetized module first when running at the supply unit and magnetize, as workpiece is weak magnetic material thus magnetizes
Very fast, broken needle of decaying afterwards is ferromagnetic material thus decays after magnetizing slower；When workpiece is reached at inspection magnetic module, at workpiece only
Possess and at less remanent magnetism, broken needle, possess larger remanent magnetism；So that when there is broken needle in workpiece, inspection magnetic module can be preferably
Action is made because there is larger remanent magnetism in broken needle such that it is able to preferably broken needle is detected.
Compared to traditional needle checking machine, the needle checking machine in the present embodiment can avoid the detection brought because of vortex to do completely
Disturb such that it is able to greatly promote accuracy of detection.
On the other hand, the distribution due to broken needle at workpiece is random, due to the presence of magnetic anisotropy so that single
The module that magnetizes well the broken needle of multiple distribution modes that may be present can not be magnetized, this relates to one
How the problem of loss is reduced.
In order to overcome the missing inspection problem that is brought by magnetic anisotropy, the detector unit in the present embodiment is using such as lower section
Formula.
In conjunction with Fig. 2,3, detector unit quantity be 2, spaced first respectively on supply unit direction of transfer
Detector unit and the second detector unit.The module that magnetizes in 2 detector units is for respectively in different directions to work to be checked
Part is magnetized.
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 angle mutually at 45 °.
Present inventor is had found in practical operation, and for the broken needle in workpiece, the single module that magnetizes is to disconnected
Can there is one about 20 ° of blind area of magnetizing in pin, by arranging multiple modules that magnetize in a plurality of directions to broken needle when being magnetized
Magnetized, and cause to cover blind area of magnetizing by cooperating for the plurality of intermodule that magnetizes, you can ensured arbitrarily
The broken needle of random site preferably can be magnetized.In the present embodiment, first module 111a and second that magnetizes for being given magnetizes
The magnetic induction line deflection angle of module 310 is 45 °, and which only provides a specific numerical value, actually when the deflection angle exists
It is can to produce preferably effect between 30 °～60 °, is not enumerating in the application.
In addition, the concrete mode for arranging multiple modules that magnetize also is not limited to the mode in the present embodiment, or
Multiple units that magnetize are set at a detector unit such as, as long as being covered to blind area of magnetizing.In a word, the present embodiment is only
Give one of which specific set-up mode, those skilled in the art is not making any creation according to spirit herein
Property work and any simple deformation that carries out should all fall into the protection domain of the application.
In addition, the quantity of detector unit is 2 in the present embodiment, in practice, the quantity of detector unit is can
It is including any number including 1；And predictably, the quantity of detector unit is more, 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, no longer enumerate one by one in the application.
In the present embodiment, supply unit includes the feed channel 121 being sequentially connected and transmission road 131, and feed channel 121 is in height
Side is upwardly formed drop, and transmission road 131 is horizontally disposed with.In fact, the effect of supply unit is only that transmitting workpiece makes and is allowed to
Through detector unit, which can be only gived wherein in the present embodiment using the load mode that can arbitrarily realize this kind of function
A kind of specific embodiment；In this kind of embodiment of supply unit, the presence 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 to be used for distinguishing
Broken needle is detected with detector unit and does not detect two corresponding output stations of broken needle.So that, 140 energy of mechanism for sorting
Enough according to whether detecting broken needle and carrying out corresponding action such that it is able to preferably there will be the workpiece of broken needle and do not exist disconnected
The workpiece of pin is separated.
In the application, the effect of the module that magnetizes is only that one magnetic field of offer, and which 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 larger remanent magnetism is detected, and therefore which also can
Take various forms.In the present embodiment, inspection magnetic module be mainly made up of magneto-dependent sensor, its when larger remanent magnetism is detected, energy
Enough generation can directly be generalized the signal of telecommunication that equipment is received and processed.
In the present embodiment, be additionally provided with needle checking machine body 110 be connected with its internal inspection system for realizing warning work(
Can alarm device 150, be in addition engaged with needle checking machine body 110 is additionally provided with for being managed to its internal inspection system
The switch board 160 of control.
Embodiment 2
The present embodiment also provides a kind of needle checking machine, and which is with the difference of embodiment 1：In the present embodiment, for overcoming magnetic
Anisotropy, gives another kind of set-up mode of the module that magnetizes；Wherein, arbitrary detector unit includes multiple modules that magnetize,
The plurality of module that magnetizes is respectively used on multiple different directions magnetize workpiece to be checked.
In the present embodiment, multiple modules that magnetize at arbitrary detector unit, the relation between quantity and locus,
The analytical conclusions in embodiment 1 should be met, that is, need to cover blind area of magnetizing.
Embodiment 3
On the basis of embodiment 1 or 2, a kind of split type rack construction is present embodiments provided.
Referring to Fig. 1,2 or 3, the split type rack construction in the present embodiment includes separate feeding machine frame 120 and passes
Frame 130 is sent, and feed channel 121 is provided with feeding machine frame 120, transmission road 131 is provided with conveyor frame 130；Feed channel 121 is in height
Degree side is upwardly formed drop, and transmission road 131 is horizontally disposed with, and 121 lower end of feed channel is gradually concordant with transmission road 131 and stretches into transmission
Above road 131.
As shown in figure 4, feeding machine frame 120 includes first support component 122 and the first track component 123, the first track structure
Part 123 includes the first connecting plate 211 arranged in parallel and the second connecting plate 212, the first connecting plate 211 and the second connecting plate
Inclined between 212 is provided with feed rail guidance tape, and the upper surface of feed rail guidance tape forms feed channel 121.
As shown in figure 5, first support component 122 includes the first vertical rod 511 being vertically arranged and the second vertical rod 512, the
Homonymy is vertically provided with the first vertical rod 521 and the second vertical rod respectively at the sustained height for one vertical rod 511 and the second vertical rod 512
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
Level between vertical rod 512 from top to bottom successively is provided with the second mounting rod 542 and the 3rd mounting rod 543, and causes second to install
Bar 542 and the first mounting rod 541 are on sustained height.First connecting plate 211 and the second connecting plate 212 are installed by first
Bar 541, the second mounting rod 542 and the 3rd mounting rod 543 are arranged on first support component 122, when specifically installing, are connected first
Fishplate bar 211 and the second connecting plate 212 are corresponding with the first mounting rod 541, the second mounting rod 542 and the 3rd mounting rod 543
Through hole is equipped with position, so as to the first mounting rod 541, the 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 achieve Fast Installation.
In addition, being additionally provided with reinforcing bar 550,521 He of the first vertical rod in bottom between the first vertical rod 511 and the second vertical rod 512
The contiguous block 410 for coordinating with conveyor frame 130 is additionally provided with the outer end of the second vertical rod 522.
In the present embodiment, first support component 122, can be by being realized using less material by above-mentioned construction
Preferably stability and installation function, so as to portable construction, are beneficial to implement.
As shown in fig. 6, in the first track component 123, the first connecting plate 211 and the second connecting plate 212 are configured to approximately
In right triangular shape, the first connecting plate 211 and 212 right-angled apices portion of the second connecting plate are used for coordinating with the 3rd mounting rod 543,
First connecting plate 211 and the second connecting plate 212 remaining 2 apex be used for respectively with the first mounting rod 541 and the second mounting rod
542 are coordinated.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 the both sides of feed rail guidance tape are also vertical to be provided with the first guard board 125, the first guard board
125 the first backgauge portions 125a for being constructed squarely with the corresponding position of feed rail guidance tape, are configured for below the first guard board 125
Stretch into the First Transition portion 125b in transmission 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, so as to
Preferably the height of first support component 122 can be adjusted.
As shown in fig. 7, conveyor frame 130 includes second support component 132 and the second track component 133, the second track structure
Part 133 includes that conveyer belt, the work surface of conveyer belt form transmission road 131.It is understood that second support component 132 is main
It is that therefore its specific form can be multiple for the function of realizing a support；Second track component 133 primarily to
Workpiece is transported so as to through detector unit, therefore the second track component 133 can not affect detector unit
Realize that detection is taken various forms in the case of function (including magnetizing and examining magnetic).
As shown in figure 8, second support component 132 includes second support member bodies 810, second support member bodies 810
Lower section is provided with support member, is provided with an installation panel 820 above second support member bodies 810.Panel 820 is installed and is located at transmission road
131 lower section, install panel 820 can be used in setting magnetize module or inspection magnetic module.810 one end of second support member bodies
(left end in Fig. 8) is used for being connected with contiguous block 410, and 810 other end of second support member bodies (right-hand member in Fig. 8) is used for setting point
Pick mechanism 140.
As shown in figure 9, the second track component 133 includes conveyer belt 910, conveyer belt 910 is by being located at second support component
The driving pulley 920 at 810 top two ends of body and driven pulley 930 realize that operating, conveyer belt 910 are located at 920 He of driving pulley
Upper surface between driven pulley 930 constitutes transmission road 131.Driving pulley 920 is driven by a driving motor 940, driving motor 940
By an electric machine support seat 950 at second support member bodies 810.Second support member bodies 810 are in driving pulley 920
The first termination protecting cover 961 is provided with top, second support member bodies 810 are provided with the second termination at 930 top of driven pulley
Protecting cover 962.The middle part of conveyer belt 910 is additionally provided with support wheel 970, and 910 nearly driving pulley 920 of conveyer belt is at relative both sides
It is additionally provided with a pair of left regulation wheels 980.
In the present embodiment, the both sides of transmission road 131 are equipped with the second guard board 134, and the second guard board 134 can not only be compared with
Good prevents workpiece coming off from transmission road 131, and causes to magnetize module and/or examine magnetic module also preferably to pass through
Second guard board 134 is at transmission road 131.
In addition, the decay in space of one side magnetic field is obviously (to be directly proportional to 3 powers of distance), the opposing party
Face broken needle is also random in the distributing position of surface of the work；Here it is cause, in order to ensure higher accuracy of detection, it is necessary to
The broken needle that may locate exist in module and inspection magnetic module and workpiece at an arbitrary position that ensures to magnetize will keep one nearer away from
From (being defined by reaching preferably to magnetize effect and examine magnetic effect).Thus, the material selection of the conveyer belt 910 in the present embodiment
The material of magnetic interference is not resulted in.This allows for, can not only by the second guard board 134 will magnetize module and/or inspection magnetic
Module is above the transmission road 131, but also can will magnetize module and/or inspection magnetic module located at passing by installing panel 820
Send below 131；So as to preferably be magnetized and/or be examined magnetic from multi-faceted, and then can effectively lift detection essence
Degree.
Those skilled in the art is it should be appreciated that the concrete mode of the second track component 133 is included but is 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 transmission road 131
Lower section.Such as, if magnetizing module and inspection magnetic module only above transmission road 131, then the second track component 133 can
With using the version that can arbitrarily realize workpiece transmitting function, although the accuracy of detection for only carrying out one-time detection can be inferior to this
The structure gone out given in embodiment, but can be by workpiece is carried out repeated detection and reaches close effect.
Embodiment 4
The present embodiment is on the basis of embodiment 3, there is provided a kind of walking supporting mechanism for needle checking machine frame.
Ginseng looks for Fig. 2,3,7 or 8, and which 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 second support component 132, the second adjustable support foot 135 and road wheel
136 below second support component 132.Second adjustable support foot 135 includes pad and screw rod, screw rod epimere and conveyer
130 screw thread of frame coordinates, and 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 is caused when conveyor frame 130 is installed, can by being adjusted to each second adjustable support foot 135,
And conveyor frame 130 is more smoothly arranged at the ground of various working.In addition, the setting of road wheel 136 is caused,
By by the second adjustable support foot 135 being made away from ground preferably move conveyor frame 130.
In the present embodiment, road wheel 136 adopts universal wheel, and road wheel 136 is located at the inner side of the second adjustable support foot 135.
Road wheel 136 is advantageous in that located at the inner side of the second adjustable support foot 135, as the second adjustable support foot 135 is to may require that
It is adjusted, which is located at outside and can be conveniently adjusted.
In addition, for according to the function to be realized of the walking supporting mechanism in the present embodiment, those skilled in the art
Should be beyond all doubt it is understood that second adjustable support foot 135 should be received when going upward at maximum position upward
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
A kind of mechanism for sorting for needle checking machine is present embodiments provided, the mechanism for sorting 140 is used for being located at needle checking machine sheet
At the discharging end of 110 supply unit of body, which preferably can apply in embodiment 1 or 2 or 3.
As shown in Figure 10,11, the mechanism for sorting 140 includes the cutting plate 142 for arranging along supply unit traffic direction,
142 back of cutting plate is connected perpendicular to the rotary shaft 1010 of supply unit traffic direction with one, and rotary shaft 1010 rotatably sets
At needle checking machine body 110；1010 one end of rotary shaft 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, 1010 two ends of rotary shaft are connected with 1020 bearing of a bearing block, 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 connection.Linkage include the first connecting rod 1030 being connected with cylinder outfan vertically and radially with 1010 institute of rotary shaft
The second connecting rod 1040 of one end connection is stated, first connecting rod 1030 is articulated and connected with second connecting rod 1040.142 both sides of cutting plate 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 used in embodiment 3, the bearing block at 1010 two ends of rotary shaft
1020 respectively by a bearing mounting plate 830 at the right-hand member of second support member bodies 810, while cylinder is also located at the
Two support element bodies, 810 corresponding position.
Embodiment 6
The detecting system and method for broken needle in a kind of workpiece is present embodiments provided, which can adopt including but not limited to real
The concrete structure that applies 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, detector unit include using
In workpiece to be checked is magnetized magnetize module and for magnetizing after whether there is in workpiece to be checked larger remanent magnetism to be detected
Inspection magnetic module；And control unit, which is used for the detection data gathered at inspection magnetic module and executes corresponding process operating with defeated
Go out corresponding control instruction.
With reference to the analysis in embodiment 1, in order to overcome because of magnetic anisotropic, the caused single module that magnetizes can not be compared with
The comprehensively defect preferably magnetized by the broken needle of optional position, can will arrange multiple sides of magnetizing at arbitrary detector unit
To the different modules that magnetizes, even if or only arranging the module that magnetizes at each detector unit and can also pass through to arrange multiple inspections
Survey unit to be overcome, or overcome by repeated detection being carried out to workpiece in multiple orientation.
In addition, the module that magnetizes can be can to provide stable magnetic including multiple including permanent magnet, electric magnet or magnet charger
The unit or device of field, inspection magnetic module can adopt 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 exported for making material picking performance element in described two output states respectively according to whether inspection magnetic module detects larger remanent magnetism
Between the different control instructions that switch over.
When the system in the present embodiment is realized using the concrete structure in embodiment 1, detector unit can be with reality
The mode that applies in example 1 is located at supply unit.
When the system in the present embodiment is realized using the concrete structure in embodiment 2, detector unit can be with reality
The mode that applies in example 2 is located at supply unit.
In the present embodiment, also include that alarm unit and display unit, control unit detect larger remanent magnetism in inspection magnetic module
When export for making the control instruction of alarm unit action, display unit be used for showing the data of control unit process.
The system of the present embodiment using embodiment 1 or 2 in mechanism when being realized, control unit, display unit etc. can be located at control
At cabinet processed 160, alarm unit can be located at alarm device 150.
Detecting system in based on the present embodiment, the present embodiment additionally provide a kind of detection method of broken needle in workpiece.Its
Comprise the following steps：
1st, workpiece to be checked is magnetized using the module that magnetizes；
2nd, whether there is in workpiece to be checked after examining magnetic module to magnetizing using one larger remanent magnetism to detect；
3rd, processed to examining the detection data at magnetic module using a control unit, and by control unit according to inspection magnetic
Whether module detects larger remanent magnetism and exports corresponding control instruction.
Wherein, in step 1：In a plurality of directions workpiece to be checked can be magnetized using the single module that magnetizes, also can
Enough workpiece to be checked is magnetized on multiple different specific directions using multiple modules that magnetize respectively.It should be appreciated that
When being magnetized to workpiece using the single module that magnetizes in a plurality of directions can, can be using repeatedly entering to workpiece when implementing
The mode of row detection is realized；When using multiple magnetize module when, can be by the way of multiple detector units are arranged or in detection
The mode that multiple modules that magnetize are arranged at unit is realized.
Embodiment 7
In order to preferably overcome the missing inspection that may be brought because of magnetic anisotropy, present embodiments providing one kind is used for improving
The magnetizer of needle checking machine accuracy of detection and method, its preferably can apply in embodiment 1 or 2 or 6.
Magnetizer in the present embodiment is included at 110 supply unit of needle checking machine body and sets gradually along its traffic direction
At least 2 modules that magnetize, the equal level of approximation of the magnetic induction line of 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 is using 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
Measure as 2, respectively first module 111a and second that magnetizes magnetizes module 310, first module 111a and second that magnetizes magnetizes mould
The magnetic induction line of block 310 angle at 45 °.
Magnetizer in based on the present embodiment, the present embodiment additionally provide a kind of for improving needle checking machine accuracy of detection
Magnetization method, it include：Traffic direction along 110 supply unit of needle checking machine body arranges at least 2 at the supply unit and fills
Magnetic module, and make at least 2 modules that magnetize the equal level of approximation of magnetic induction line through above supply unit and mutually uneven
OK.
In the present embodiment, the magnetic induction line of arbitrary module that magnetizes can be made both with respect to which is in supply unit traffic direction
Rear, the magnetic induction line of the adjacent module that magnetizes is in 30 °～60 ° of direction upper deflecting clockwise or counterclockwise.
When magnetization method in the present embodiment is realized using the structure in embodiment 1, with reference to Fig. 3, in supply unit
Place arranges 2 modules that magnetize, and to make the magnetic induction line angle of 2 modules that magnetize be 45 °.
Embodiment 8
On the one hand the rate of decay due to magnetic field in space is very fast, and the on the other hand distribution due to broken needle in surface of the work is
Random, this all can produce considerable influence to the precision for examining magnetic.In order to preferably overcome drawbacks described above, one is present embodiments provided
Inspection magnetic device and the method for being used for lifting needle checking machine accuracy of detection is planted, which preferably can apply in embodiment 1 or 2 or 6.
The inspection magnetic device for lifting needle checking machine accuracy of detection in the present embodiment, which is included located at needle checking machine body 110
Inspection magnetic module at supply unit, inspection magnetic module include examining magnetic cell and lower inspection magnetic cell, and it is single that upper inspection magnetic cell is located at conveying
First top and detection faces are towards supply unit, lower inspection magnetic cell is located at below supply unit and detection faces are towards supply unit.
In the present embodiment, upper inspection magnetic cell includes passing along the multiple separate magnetosensitive that supply unit width is arranged
Sensor, the detection range of the plurality of magneto-dependent sensor are overlapped on supply unit width successively.
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 in addition multiple magneto-dependent sensors are overlapped on supply unit width successively.
In the present embodiment, upper inspection magnetic cell connects different data acquisition units, upper inspection magnetic list respectively from lower inspection magnetic cell
First be connected with same independent power supply unit between corresponding data acquisition unit, lower inspection magnetic cell and corresponding data acquisition list
It is connected with addition same independent power supply unit between unit.
In the present embodiment, the same independent power supply unit and the in addition same independent power supply unit are respectively adopted
Single earth terminal.
When inspection magnetic device in the present embodiment is used for the frame structure 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
, by the second guard board 134 above supply unit, lower inspection magnetic cell is by installing panel 820 located at defeated for cell body 1300
Send below unit.
Upper inspection magnetic cell body 1300 includes that two ends are used for being connected with the second guard board 134 of supply unit both sides respectively
The upper inspection magnetic cell support 1310 for connecing, is provided with inspection magnetic cell cover plate 1320 above upper inspection magnetic cell support 1310；Upper inspection magnetic list
It is provided with below first support 1310 for arranging the upper inspection magnetic cell circuit board 1330 of the plurality of magneto-dependent sensor, upper inspection magnetic cell
A first circuit board fixed plate 1340 is provided with below circuit board 1330；First circuit board fixed plate 1340 be used 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
In the first detection hole 1341 that the detection faces of the plurality of magneto-dependent sensor are exposed.
Lower inspection magnetic cell body 1400 includes lower inspection magnetic cell installing plate 1410, installs and is provided with for under at panel 820
The installing hole that inspection magnetic cell installing plate 1410 coordinates, is provided with above lower inspection magnetic cell installing plate 1410 described in addition many for arranging
The lower inspection magnetic cell circuit board 1420 of individual magneto-dependent sensor, is provided with second circuit board above lower inspection magnetic cell circuit board 1420 and fixes
Plate 1430；Second circuit board fixed plate 1430 is used for lower inspection magnetic cell circuit board 1420 to be fixed on lower inspection magnetic cell peace preferably
At dress plate 1410, at second circuit board fixed plate 1430, it is provided with what the detection faces in addition multiple magneto-dependent sensors were exposed
Second detection hole 1431.
Inspection magnetic device in based on the present embodiment, the present embodiment additionally provide a kind of for lifting needle checking machine accuracy of detection
Inspection magnetism method, which includes：Inspection magnetic module is set at 110 supply unit of needle checking machine body, and inspection magnetic module includes inspection magnetic cell
With lower inspection magnetic cell；Above supply unit and cause the detection faces of upper inspection magnetic cell single towards conveying upper inspection magnetic cell
Lower inspection magnetic cell below supply unit and is caused the detection faces of lower inspection magnetic cell towards supply unit by unit.
In the present embodiment, upper inspection magnetic cell adopts multiple separate magneto-dependent sensors, by the plurality of magneto-dependent sensor
Array is carried out along the width of supply unit, and the detection range of the plurality of magneto-dependent sensor is caused in supply unit width side
Overlap successively upwards.
In the present embodiment, lower inspection magnetic cell using other multiple separate magneto-dependent sensors, by other multiple magnetic
Dependent sensor carries out array along the width of supply unit, and causes the detection range of other multiple magneto-dependent sensors defeated
Send.
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 connected with same independent power supply unit with corresponding data acquisition unit
Connect, lower inspection magnetic cell is attached with addition same independent power supply unit with corresponding data acquisition unit, and will be described
The earth terminal of same independent power supply unit and the in addition same independent power supply unit is individually arranged.
Schematically the present invention and embodiments thereof are described above, the description does not have restricted, institute in accompanying drawing
Shown 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 are enlightened by which, in the case of without departing from the invention objective, are designed and the technical scheme without creative
Similar frame mode and embodiment, all should belong to protection scope of the present invention.
Claims (7)
1. in workpiece broken needle detecting system, it is characterised in that：Including,
At least one detector unit, detector unit include for workpiece to be checked is magnetized magnetize module and be used for magnetizing after treat
The inspection magnetic module whether there is in inspection workpiece larger remanent magnetism to be detected；And
Control unit, its are used for the detection data gathered at inspection magnetic module and execute corresponding process operating to export corresponding control
System instruction.
2. detecting system according to claim 1, it is characterised in that：Arbitrary detector unit includes one or more magnetizing
Module, one or more of modules that magnetize are respectively used on one or more different directions magnetize workpiece to be checked.
3. detecting system according to claim 1, it is characterised in that：The quantity of detector unit is at least 2, and this at least 2
The module that magnetizes in individual detector unit is used for magnetizing workpiece to be checked in different directions respectively.
4. detecting system according to claim 1, it is characterised in that：The module that magnetizes using permanent magnet, electric magnet or magnetizes
Machine, inspection magnetic module include magneto-dependent sensor.
5. detecting system 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, control unit according to inspection magnetic module whether detect larger remanent magnetism export respectively for make material picking execute
The different control instructions that unit is switched between described two output states.
6. detecting system according to claim 1, it is characterised in that：Also include alarm unit, control unit is in inspection magnetic mould
Block is exported when detecting larger remanent magnetism for making the control instruction of alarm unit action.
7. detecting system according to claim 1, it is characterised in that：Also include that display unit, display unit are used for control
The data of cell processing processed are shown.
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| CN201620958450.6U CN206020684U (en) | 2016-08-28 | 2016-08-28 | The detecting system of broken needle in workpiece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199735A (en) * | 2016-08-28 | 2016-12-07 | 宁波九纵智能科技有限公司 | The detecting system of broken needle and method in workpiece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199735A (en) * | 2016-08-28 | 2016-12-07 | 宁波九纵智能科技有限公司 | The detecting system of broken needle and method in workpiece |
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