CN108152377A - Auto-ultrasonic mold non-destructive detecting device and control system and detection control method - Google Patents
Auto-ultrasonic mold non-destructive detecting device and control system and detection control method Download PDFInfo
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- CN108152377A CN108152377A CN201810027442.3A CN201810027442A CN108152377A CN 108152377 A CN108152377 A CN 108152377A CN 201810027442 A CN201810027442 A CN 201810027442A CN 108152377 A CN108152377 A CN 108152377A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
- G01N29/0654—Imaging
- G01N29/069—Defect imaging, localisation and sizing using, e.g. time of flight diffraction [TOFD], synthetic aperture focusing technique [SAFT], Amplituden-Laufzeit-Ortskurven [ALOK] technique
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/043—Analysing solids in the interior, e.g. by shear waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/225—Supports, positioning or alignment in moving situation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/15—Plc structure of the system
- G05B2219/15039—Display of reference, set value, of measured, feedback value
Abstract
The present invention relates to Ultrasonic Nondestructive technical fields, and in particular to auto-ultrasonic mold non-destructive detecting device and control system and detection control method, including rack, X-axis transmission device, Y-axis transmission, detection mechanical arm；Detection mechanical arm includes the connecting seat, Z-axis transmission device, detection device being connected with Y-axis transmission, detection device includes connecting rod, fixed plate, ultrasonic detecting probe, for by the fixed probe clamping plate of ultrasonic detecting probe, buffer spring is equipped between the probe clamping plate and fixed plate, the probe clamping plate is installed with several the first close switches close to ultrasonic detecting probe position；The present invention is fast to the detection speed of material, in all technicals such as the stability of reliability, the degree of automation and detection operation, it is more than traditional hand-hold ultrasonic simple scan, the benefit brought to society is not only the detection of material, and be related to aviation, national defence, the great social benefit of economic dispatch.
Description
Technical field
The present invention relates to Ultrasonic Nondestructive technical field, more particularly to auto-ultrasonic mold non-destructive detecting device
And control system and detection control method.
Background technology
Non-destructive testing (nondestructive test) abbreviation NDT, is not destroy and damage examined object body, to its property
Energy, quality whether there is a kind of technology that internal flaw is detected.In existing lossless detection method, conventional mainly penetrates
(PT) method, Magnetic testing (MT) method, EDDY CURRENT are detected in line flaw detection (RT) method, ultrasound detection (UT) method, infiltration
(ET) method, it is certainly also unconventional, such as microwave detection method, potentiometric detection method.
Ultrasound detection (UT) is the acoustic characteristic and interior tissue of material using ultrasonic wave when being propagated in being detected material
Variation certain influence is generated to the propagation of ultrasonic wave, pass through the detection Knowing material to ultrasonic wave degree of susceptibility and situation
Performance and structure change.When ultrasonic wave enters object and encounters defect, a part of sound wave can generate reflection, and receiver passes through to anti-
Ejected wave is analyzed, come measure material thickness, to find hiding internal flaw or to analyze such as metal, plastics, compound
Characteristic of the materials such as material, ceramics, rubber and glass etc..
Supersonic mould non-destructive testing of the prior art is detected by man-hour manually hand-held detector, there is inspection
It is low to survey efficiency, to not comprehensive, the poor reliability of mold detection, the various problems such as the degree of automation is low.
Invention content
To solve the above problems, the present invention provide a kind of detection speed to material it is fast, reliability, the degree of automation with
And all technicals such as stability of detection operation, more than traditional hand-hold ultrasonic simple scan, society is brought
Benefit be not only the detection of material, and be related to aviation, national defence, the great social benefit of economic dispatch auto-ultrasonic mold
Non-destructive detecting device and control system and detection control method.
The technical solution adopted in the present invention is：Auto-ultrasonic mold non-destructive detecting device, including rack, is set to machine
The X-axis transmission device on frame top, transmission are set to the Y-axis transmission of X-axis transmission device, and transmission is set to Y-axis transmission
Detection mechanical arm；The detection mechanical arm includes the connecting seat being connected with Y-axis transmission, and the Z axis for being installed on connecting seat passes
Dynamic device, the detection device being fixedly connected with Z-axis transmission device, the detection device include being fixedly linked with Z-axis transmission device
Connecting rod, the fixed plate being fixedly connected with the connecting rod, for the ultrasonic detecting probe of non-destructive testing, for ultrasonic wave to be examined
Probing fixed probe clamping plate is equipped with buffer spring between the probe clamping plate and fixed plate, the probe clamping plate is close to super
Acoustic detection probe position is installed with several the first close switches.
Further improvement of these options is that the rack is fixedly mounted by aluminium section bar, the lower part of the rack
Detection is installed close to switch base, the detection is approached including the fixinig plate being fixedly linked with rack and second close to switch base and opened
It closes.
Further improvement of these options is that the X-axis transmission device is fixedly installed in rack upper surface, including solid
Dingan County is loaded on the Linear transmission seat of rack both sides, is fixedly installed in the X that rack opposite side is connected with the driving of both sides Linear transmission seat
Axis driving motor is fixedly installed in the X-axis limit switch of Linear transmission seat side.
Further improvement of these options is that the Linear transmission seat includes support base, and the X-axis for being set up in support base is led
To bar and X-axis synchronous belt, Linear transmission is equipped with drive connection axis in the X-axis load-bearing part of X-axis guide rod, the X-axis driving motor,
The drive connection axis is connected with the driving of X-axis synchronous belt.
Further improvement of these options is that the X-axis load-bearing part is installed with X-axis switch close to X-axis guide rod position
Piece is touched, the X-axis switch actuating piece follows X-axis load-bearing part to touch folding in X-axis limit switch.
Further improvement of these options is that the Y-axis transmission includes being fixedly installed in the Y-axis of X-axis load-bearing part
Driving motor, is set up in the Y-axis guide rod of X-axis load-bearing part, and movable drive drives in the Y-axis load-bearing part of Y-axis guide rod, the Y-axis
Dynamic motor is equipped with Y-axis synchronous belt and is connected with the driving of Y-axis load-bearing part, and the connecting seat is fixedly installed in the lower surface of Y-axis load-bearing part.
Further improvement of these options is that the X-axis load-bearing part is installed with Y-axis limiting close to Y-axis guide rod position
Switch, the Y-axis load-bearing part correspond to Y-axis limit-switch positions and are installed with Y-axis switch actuating piece, the Y-axis switch actuating piece with
Folding is touched in Y-axis limit switch with Y-axis load-bearing part.
Further improvement of these options is that the Z-axis transmission device includes the connection branch being fixedly connected with connecting seat
Frame is fixedly installed in the Z axis driving motor on connecting bracket top, and the ball screw being connected with the driving of Z axis driving motor, setting connects
The Z axis guide rod that stent is located at ball screw both sides is connect, transmission is set to the Z axis load-bearing part of ball screw and Z axis guide rod, institute
Connecting rod to be stated to be fixedly connected with Z axis load-bearing part, the connecting bracket is equipped with Z axis touch switch close to Z axis driving motor side,
The Z axis load-bearing part transmission touches folding in Z axis limit switch.
The control system of auto-ultrasonic mold non-destructive detecting device, it is single that the control system includes manual/auto switching
Member, motor control unit, origin recognition unit, material tests unit, the probe real-time recording unit of XY coordinates；
The manual/auto switch unit refers to be an externally input with a change-over switch, by PLC in signal acquisition
The heart realizes manual operation mode or automatic mode control；
The motor control unit refers to that center, motor are executive component in order to control with PLC, and PLC exports three group pulses, control
The movement of tri- axis of XYZ processed drives probe to press continuous detection of the defined route in material surface cover type at the appropriate speed；
The origin recognition unit refers to be an externally input with XYZ limit switches, PLC for signal acquisition, conversion with it is defeated
Go out center, when one of limit switch is pressed, then where axis motor stop motion, when XYZ limit switches by by
Under, mechanical arm of as popping one's head in returns to origin in three axial directions；
The material tests unit includes no material tests module and edge of materials detection module；It is described to whether there is material inspection
It surveys module to refer to two second close switches for inductor, PLC is signal acquisition, conversion and output center, when material is placed
When in place, two second are both turned on close to switch, the corresponding input point conductings of PLC, when being activated with reference to automatic mode, the equipment
It will be automatically started；
The edge of materials detection module is the intelligentized key of detection, refers to that with four first be to sense close to switch
Device, PLC is signal acquisition, conversion and output center, in the non-edge detection of material surface, four first close switches
All in conducting state, off state is in close to switch when the edge for reaching material direction one, the first of corresponding direction one,
PLC acquires the signal, and output pulse signal is controlled motor, realizes the positive direction for driving probe in the direction vertical with direction one
The distance of (direction two) mobile probe diameter size, further, the negative direction toward direction one of popping one's head in continues to detect；
The probe real-time recording unit of XY coordinates refers to that using PLC as data processing centre motor drives for executive component
Synchronous belt is subjected to displacement, and under the premise of origin is identified, the absolute coordinate (XY coordinates) for opposite origin of popping one's head in is recorded in real time at
Two data fields of PLC；Computer can read the two data fields by the communication between PLC, the real-time position popped one's head in
It puts, with reference to the obtained ultrasonography of Z-direction of ultrasonic probe detection material, three-dimensional visualization figure that can be inside building material
Picture.
The detection control method of auto-ultrasonic mold non-destructive detecting device, the detection control method are that equipment is powered, Z
Axis Aligning control, in place, XY axis while Aligning control, three axis origins are in place for Z axis origin；Three axis origins in place+material put
Be put into position+manual switch is opened+press start button (or three axis origins in place+material put in place+automatic switch and beaten
Open), Z axis movement, probe moves down, and when any one first close switch becomes conducting state, Z axis stop motion removes if meeting
Positioned at X-axis negative direction, the first close switch of Y-axis negative direction, other two first are both turned on close to switch, and X-axis movement is popped one's head in
It toward the movement of X-axis positive direction, disconnects, X-axis stop motion, pops one's head in toward Y-axis positive direction close to switch when positioned at the first of X-axis positive direction
Then the distance of a mobile probe diameter size is popped one's head in toward the movement of X-axis negative direction, opened when the 4mm positioned at X-axis negative direction is close
Shutdown is opened, X-axis stop motion, pops one's head in and the distance of a probe diameter size is moved toward Y-axis positive direction, is then popped one's head in toward X-axis just
Direction movement, so recycles, until the first close switch of two first in X-direction close to switch, Y-axis positive direction is all located
In off-state, detection finishes.
Beneficial effects of the present invention are：
Auto-ultrasonic mold non-destructive detecting device equipped with rack, is set to the X-axis transmission device of upper rack, transmission
The Y-axis transmission of X-axis transmission device is set to, transmission is set to the detection mechanical arm of Y-axis transmission；The detection machinery
Arm includes the connecting seat being connected with Y-axis transmission, is installed on the Z-axis transmission device of connecting seat, fixes and connects with Z-axis transmission device
The detection device connect, the detection device include the connecting rod being fixedly linked with Z-axis transmission device, are fixedly connected with the connecting rod
Fixed plate, for the ultrasonic detecting probe of non-destructive testing, for by the fixed probe clamping plate of ultrasonic detecting probe, the spy
Buffer spring is equipped between head clamping plate and fixed plate, the probe clamping plate is installed with several close to ultrasonic detecting probe position
First close switch.
It is fast to the detection speed of material in the present invention, in stability of reliability, the degree of automation and detection operation etc.
All technical, more than traditional hand-hold ultrasonic simple scan, the benefit brought to society is not only material
Detection, and it is related to aviation, national defence, the great social benefit of economic dispatch.
The control system of auto-ultrasonic mold non-destructive detecting device, it is single that the control system includes manual/auto switching
Member, motor control unit, origin recognition unit, material tests unit, the probe real-time recording unit of XY coordinates；It is described manually/from
Dynamic switch unit refers to be an externally input with a change-over switch, is signal acquisition center by PLC, realizes manual operation mode
Or automatic mode control；The motor control unit refers to that center, motor are executive component in order to control with PLC, and PLC exports three groups
Pulse controls the movement of tri- axis of XYZ, and probe is driven to press company of the defined route in material surface cover type at the appropriate speed
Continuous detection；The origin recognition unit refers to be an externally input with XYZ limit switches, and PLC is signal acquisition, conversion and output
Center, when one of limit switch is pressed, then where axis motor stop motion, when XYZ limit switches are pressed,
As probe mechanical arm returns to origin in three axial directions；The material tests unit includes no material tests module and material
Edge detection module；The material tests module that whether there is refers to two second close switches that for inductor PLC is adopted for signal
Collection, conversion and output center, when material is in place, two second are both turned on close to switch, and the corresponding input points of PLC are led
Logical, when being activated with reference to automatic mode, which will be automatically started；The edge of materials detection module is that detection is intelligentized
Key refers to four first close switches that for inductor PLC is signal acquisition, conversion and output center, in material surface
When non-edge detects, four first close switches are corresponding when the edge for reaching material direction one all in conducting state
For the first of direction one close to switch in off state, PLC acquires the signal, and output pulse signal is controlled motor, realizes band
The distance of the mobile probe diameter size of positive direction (direction two) of the dynamic probe in the direction vertical with direction one, further
, the negative direction toward direction one of popping one's head in continues to detect；The probe real-time recording unit of XY coordinates refers to using PLC as data processing
Center, motor drives synchronous belt to be subjected to displacement for executive component, under the premise of origin is identified, the absolute of opposite origin of popping one's head in
Coordinate (XY coordinates) is recorded in real time at two data fields of PLC；Computer can read the two numbers by the communication between PLC
According to area, the real time position popped one's head in reference to the ultrasonography of Z-direction that ultrasonic probe detection material obtains, can construct
The three-dimensional visualization image of material internal；It ensure that probe detects, and be to cover entirely automatically in the range of material surface always
Lid formula detects, and ensure that not missing inspection.
The detection control method of auto-ultrasonic mold non-destructive detecting device, the detection control method are that equipment is powered, Z
Axis Aligning control, in place, XY axis while Aligning control, three axis origins are in place for Z axis origin；Three axis origins in place+material put
Be put into position+manual switch is opened+press start button (or three axis origins in place+material put in place+automatic switch and beaten
Open), Z axis movement, probe moves down, and when any one first close switch becomes conducting state, Z axis stop motion removes if meeting
Positioned at X-axis negative direction, the first close switch of Y-axis negative direction, other two first are both turned on close to switch, and X-axis movement is popped one's head in
It toward the movement of X-axis positive direction, disconnects, X-axis stop motion, pops one's head in toward Y-axis positive direction close to switch when positioned at the first of X-axis positive direction
Then the distance of a mobile probe diameter size is popped one's head in toward the movement of X-axis negative direction, opened when the 4mm positioned at X-axis negative direction is close
Shutdown is opened, X-axis stop motion, pops one's head in and the distance of a probe diameter size is moved toward Y-axis positive direction, is then popped one's head in toward X-axis just
Direction movement, so recycles, until the first close switch of two first in X-direction close to switch, Y-axis positive direction is all located
In off-state, detection finishes.
In the present invention, there is detection automation with detecting intelligentized function, replaced by hand with workbench, it is automatic to detect,
Transmission mechanism drives probe detection material by the route of procedure stipulation, reduces the probability of missing inspection to the maximum extent；Fusion is more simultaneously
The data of a sensor can adjust the route or range of detection automatically according to the size of material, will not cause extra mobile road
Line realizes intellectualized detection；It can manually boot and start automatically, adapt to a variety of demands；Using PLC as operation and control
Center can be realized with most reliable velocity measuring material, and detection speed is stablized, efficient more than what is monitored by hand；It is based on
PLC carries out rigorous positioning by motor drive and program control, can obtain location information of the probe in X/Y plane in real time,
The XY coordinate informations of the probe are collected into computer digital animation center, fusion ultrasonic probe is in the testing number of Z-direction
According to three-D ultrasonic detection image can be built, display is more intuitive.
Description of the drawings
Fig. 1 is the stereogram of the present invention；
Fig. 2 is the stereogram of the present invention；
Fig. 3 is the front view of the present invention；
Fig. 4 is the magnified partial view of the present invention；
Fig. 5 is the stereogram of the removal rack of the present invention；
Fig. 6 is the magnified partial view of Fig. 5；
Fig. 7 is the schematic diagram of control system of the present invention.
Attached drawing identifier declaration：The close switch 112 of Ultrasonic Nondestructive equipment 100, rack 110, fixinig plate 111, second,
X-axis transmission device 120, Linear transmission seat 121, support base 121a, X-axis guide rod 121b, X-axis synchronous belt 121c, X-axis load-bearing part
121d, X-axis switch actuating piece 121e, X-axis driving motor 122, drive connection axis 122a, X-axis limit switch 123, Y-axis transmission dress
Put 130, Y-axis driving motor 131, Y-axis guide rod 132, Y-axis load-bearing part 133, Y-axis synchronous belt 134, Y-axis limit switch 135, Y
Axis switch actuating piece 136, connecting seat 140, Z-axis transmission device 150, connecting bracket 151, Z axis driving motor 152, ball screw
153rd, Z axis guide rod 154, Z axis load-bearing part 155, Z axis touch switch 156, detection device 160, connecting rod 161, fixed plate 162,
Ultrasonic detecting probe 163, probe clamping plate 164, buffer spring 165, first close to switch 166, control system 200, manually/from
Dynamic switch unit 210, origin recognition unit 230, material tests unit 240, whether there is material tests mould at motor control unit 220
Block 241, edge of materials detection module 242, the probe real-time recording unit 250 of XY coordinates.
Specific embodiment
Below in conjunction with attached drawing, the present invention is further illustrated.
As shown in Figure 1, the stereogram for the present invention.
Auto-ultrasonic mold non-destructive detecting device 100 equipped with rack 110, is set to the X-axis transmission on 110 top of rack
Device 120, transmission are set to the Y-axis transmission 130 of X-axis transmission device 120, and transmission is set to the inspection of Y-axis transmission 130
Survey mechanical arm；The detection mechanical arm includes the connecting seat 140 being connected with Y-axis transmission 130, is installed on the Z of connecting seat 140
Shaft drive 150, the detection device 160 being fixedly connected with Z-axis transmission device 150, the detection device 160 includes and Z axis
The connecting rod 161 that transmission device 150 is fixedly linked, the fixed plate 162 being fixedly connected with connecting rod 161, for non-destructive testing
Ultrasonic detecting probe 163, for by ultrasonic detecting probe 163 it is fixed probe clamping plate 164, it is described probe clamping plate 164 with
Buffer spring 165 is equipped between fixed plate 162, if the probe clamping plate 164 is installed with close to 163 position of ultrasonic detecting probe
Dry the first close switch 166.
Rack 110 is fixedly mounted by aluminium section bar, and the lower part of the rack 110 is equipped with detection close to switch base, institute
It states detection and includes the fixinig plate 111 and second being fixedly linked with rack 110 close to switch 112, it can be achieved that intelligence close to switch base
Sensing control, control effect are good.
As shown in Fig. 2~Fig. 6, stereogram, front view and enlarged drawing respectively of the invention.
X-axis transmission device 120 is fixedly installed in 110 upper surface of rack, including being fixedly installed in the straight of 110 both sides of rack
Line retainer 121 is fixedly installed in 110 opposite side of rack and drives the X-axis driving motor being connected with both sides Linear transmission seat 121
122, it is fixedly installed in the X-axis limit switch 123 of 121 side of Linear transmission seat；Further, Linear transmission seat 121 includes branch
Seat 121a is supportted, is set up in the X-axis guide rod 121b of support base 121a and X-axis synchronous belt 121c, Linear transmission is in X-axis guide rod
The X-axis load-bearing part 121d of 121b, the X-axis driving motor 122 be equipped with drive connection axis 122a, the drive connection axis 122a with
X-axis synchronous belt 121c drivings are connected；Further, X-axis load-bearing part 121d is installed with X-axis close to X-axis guide rod 121b positions and opens
Closing shake-up piece 121e, the X-axis switch actuating piece 121e follows X-axis load-bearing part 121d to touch folding in X-axis limit switch 123；
It is driven and sensed using full intelligent automatic control, high degree of automation.
Y-axis transmission 130 includes the Y-axis driving motor 131 for being fixedly installed in X-axis load-bearing part 121d, is set up in X-axis and holds
The Y-axis guide rod 132 of holder 121d, movable drive is in the Y-axis load-bearing part 133 of Y-axis guide rod 132, the Y-axis driving motor
131 are equipped with Y-axis synchronous belt 134 is connected with the driving of Y-axis load-bearing part 133, and the connecting seat 140 is fixedly installed in Y-axis load-bearing part 133
Lower surface；Further, X-axis load-bearing part 121d is installed with Y-axis limit switch 135, the Y close to 132 position of Y-axis guide rod
Bearing support 133 corresponds to 135 position of Y-axis limit switch and is installed with Y-axis switch actuating piece 136, the Y-axis switch actuating piece 136
Y-axis load-bearing part 133 is followed to touch folding in Y-axis limit switch 135；It is driven and sensed using full intelligent automatic control, automate journey
Degree is high.
Z-axis transmission device 150 includes the connecting bracket 151 being fixedly connected with connecting seat 140, is fixedly installed in connecting bracket
The Z axis driving motor 152 on 151 tops drives the ball screw 153 being connected with Z axis driving motor 152, sets connecting bracket 151
Z axis guide rod 154 positioned at 153 both sides of ball screw, transmission is set to ball screw 153 and the Z axis of Z axis guide rod 154 is held
Holder 155, the connecting rod 161 are fixedly connected with Z axis load-bearing part 155, and the connecting bracket 151 is close to Z axis driving motor 152
Side is equipped with Z axis touch switch 156, and the transmission of Z axis load-bearing part 155 touches folding in Z axis limit switch 156；Using complete
Intelligent automatic control transmission sensing, high degree of automation.
It is fast to the detection speed of material in the present invention, in stability of reliability, the degree of automation and detection operation etc.
All technical, more than traditional hand-hold ultrasonic simple scan, the benefit brought to society is not only material
Detection, and it is related to aviation, national defence, the great social benefit of economic dispatch.
The operation principle of the present invention is that detected workpiece is placed in above the plane in workbench, and PC is sent by network
It instructs to PLC, three-shaft linkage detection is realized in the form of " PLC+ stepping motors+synchronous belt/ball-screw ", transmission mechanism is pressed
The route of procedure stipulation drives probe detection material；Merge multiple miniature sensed datas close to switch, the edge of judgement material
And then the route of adjust automatically detection；Simultaneously based on PLC position feedbacks, control progress is rigorous to determine by motor drive and program
Position can obtain location information of the probe in X/Y plane in real time.Occurred from ultrasonic signal defeated to ultrasonic probe with receiver
Go out electric signal, be tightly attached to the ultrasonic probe that is moved on material and generate ultrasonic signal, to the ultrasonic signal that feeds back into
Row processing, handles ultrasonic echo signal including being based on particle filter algorithm, obtains the ultrasonography of Z-direction.Knot
The real time position (relative to the lateral X/Y plane coordinate of starting point) of probe is closed, is obtained vertical with three dimensional local information (XYZ coordinate)
Body Ultrasonic Nondestructive image.
As shown in fig. 7, the schematic diagram for control system of the present invention.
The control system 200 of auto-ultrasonic mold non-destructive detecting device 100, the control system 200 include manually/from
Dynamic switch unit 210, motor control unit 220, origin recognition unit 230, material tests unit 240, probe XY coordinates are real-time
Recording unit 250；The manual/auto switch unit 210 refers to be an externally input with a change-over switch, is letter by PLC
Number acquisition center, realize manual operation mode or automatic mode control；The motor control unit 220 refers to PLC in order to control
Center, motor are executive component, and PLC exports three group pulses, controls the movement of tri- axis of XYZ, drives probe at the appropriate speed
By defined route material surface cover type continuous detection；The origin recognition unit 230 refers to XYZ limit switches
Be an externally input, PLC is signal acquisition, conversion and output center, when one of limit switch is pressed, then where axis
Motor stop motion, when XYZ limit switches are pressed, mechanical arm of as popping one's head in returns to origin in three axial directions；The material
Material detection unit 240 includes no material tests module 241 and edge of materials detection module 242；It is described to whether there is material tests mould
Block 241 refers to two second close switches 112 that for inductor PLC is signal acquisition, conversion and output center, when material is put
When putting in place, two second are both turned on close to switch 112, the corresponding input point conductings of PLC, when being activated with reference to automatic mode,
The equipment will be automatically started；The edge of materials detection module 242 is the intelligentized key of detection, refers to connect with four first
Nearly switch 166 is inductor, and PLC is signal acquisition, conversion and output center, in the non-edge detection of material surface,
Four first close switches 166 are all in conducting state, and when the edge for reaching material direction one, the first of corresponding direction one connects
For nearly switch 166 in off state, PLC acquires the signal, and output pulse signal is controlled motor, realize drive probe with side
The distance of the mobile probe diameter size of the positive direction (direction two) in the direction vertical to one, further, pops one's head in toward direction
One negative direction continues to detect；It is described probe the real-time recording unit 250 of XY coordinates refer to using PLC as data processing centre, motor
Synchronous belt is driven to be subjected to displacement for executive component, under the premise of origin is identified, (XY is sat the absolute coordinate for opposite origin of popping one's head in
Mark) it is recorded in real time at two data fields of PLC；Computer can read the two data fields by the communication between PLC, obtain
The real time position of probe, can be inside building material with reference to the obtained ultrasonography of Z-direction of ultrasonic probe detection material
Three-dimensional visualization image；It ensure that probe detects automatically in the range of material surface always, and be the detection of all standing formula, protect
Not missing inspection is demonstrate,proved.
The detection control method of auto-ultrasonic mold non-destructive detecting device 100, the detection control method is that equipment is led to
Electricity, Z axis Aligning control, in place, XY axis while Aligning control, three axis origins are in place for Z axis origin；Three axis origins in place+material
Through putting in place ,+manual switch is opened+presses start button (or three axis origins is in place that+material has been put in place+opens automatically
Close and open), Z axis movement, probe moves down, when any one first becomes conducting state close to switch 166, Z axis stop motion, if
Meet the first close switch 166 removed positioned at X-axis negative direction, Y-axis negative direction, other two first are both turned on close to switch 166,
X-axis moves, and pops one's head in toward the movement of X-axis positive direction, is disconnected when positioned at the first of X-axis positive direction close to switch 166, X-axis stop motion,
It pops one's head in and the distance of a probe diameter size is moved toward Y-axis positive direction, then pop one's head in toward the movement of X-axis negative direction, when anti-positioned at X-axis
The 4mm in direction is disconnected close to switch, X-axis stop motion, pops one's head in and the distance of a probe diameter size is moved toward Y-axis positive direction,
Then it pops one's head in toward the movement of X-axis positive direction, so recycles, until two first close switches 166, Y-axis positive directions in X-direction
First close to switch 166 all in off-state, detection finishes.
In the present invention, there is detection automation with detecting intelligentized function, replaced by hand with workbench, it is automatic to detect,
Transmission mechanism drives probe detection material by the route of procedure stipulation, reduces the probability of missing inspection to the maximum extent；Fusion is more simultaneously
The data of a sensor can adjust the route or range of detection automatically according to the size of material, will not cause extra mobile road
Line realizes intellectualized detection；It can manually boot and start automatically, adapt to a variety of demands；Using PLC as operation and control
Center can be realized with most reliable velocity measuring material, and detection speed is stablized, efficient more than what is monitored by hand；It is based on
PLC carries out rigorous positioning by motor drive and program control, can obtain location information of the probe in X/Y plane in real time,
The XY coordinate informations of the probe are collected into computer digital animation center, fusion ultrasonic probe is in the testing number of Z-direction
According to three-D ultrasonic detection image can be built, display is more intuitive.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. auto-ultrasonic mold non-destructive detecting device, it is characterised in that：Including rack, it is set to the X-axis transmission of upper rack
Device, transmission are set to the Y-axis transmission of X-axis transmission device, and transmission is set to the detection mechanical arm of Y-axis transmission；Institute
It states detection mechanical arm and includes the connecting seat being connected with Y-axis transmission, the Z-axis transmission device of connecting seat is installed on, with Z-axis transmission
The detection device that device is fixedly connected, the detection device includes the connecting rod being fixedly linked with Z-axis transmission device, with connecting rod
The fixed plate being fixedly connected, for the ultrasonic detecting probe of non-destructive testing, for by the fixed probe of ultrasonic detecting probe
Clamping plate is equipped with buffer spring between the probe clamping plate and fixed plate, the probe clamping plate is close to ultrasonic detecting probe position
It is installed with several the first close switches.
2. auto-ultrasonic mold non-destructive detecting device according to claim 1, it is characterised in that：The rack is by aluminium profiles
Material is fixedly mounted, and the lower part of the rack is equipped with detection close to switch base, and the detection includes close to switch base and machine
The close switch of fixinig plate and second that frame is fixedly linked.
3. auto-ultrasonic mold non-destructive detecting device according to claim 1, it is characterised in that：The X-axis transmission dress
It puts and is fixedly installed in rack upper surface, it is another to be fixedly installed in rack for the Linear transmission seat including being fixedly installed in rack both sides
The X-axis driving motor that side is connected with the driving of both sides Linear transmission seat, the X-axis limiting for being fixedly installed in Linear transmission seat side are opened
It closes.
4. auto-ultrasonic mold non-destructive detecting device according to claim 3, it is characterised in that：The Linear transmission seat
Including support base, be set up in the X-axis guide rod of support base and X-axis synchronous belt, Linear transmission in the X-axis load-bearing part of X-axis guide rod,
The X-axis driving motor is equipped with drive connection axis, and the drive connection axis is connected with the driving of X-axis synchronous belt.
5. auto-ultrasonic mold non-destructive detecting device according to claim 4, it is characterised in that：The X-axis load-bearing part
Be installed with X-axis switch actuating piece close to X-axis guide rod position, the X-axis switch actuating piece follow X-axis load-bearing part touch folding in
X-axis limit switch.
6. auto-ultrasonic mold non-destructive detecting device according to claim 5, it is characterised in that：The Y-axis transmission dress
The Y-axis driving motor including being fixedly installed in X-axis load-bearing part is put, is set up in the Y-axis guide rod of X-axis load-bearing part, movable drive is in Y
The Y-axis load-bearing part of axis guide rod, the Y-axis driving motor are equipped with Y-axis synchronous belt and are connected with the driving of Y-axis load-bearing part, the connection
Seat is fixedly installed in the lower surface of Y-axis load-bearing part.
7. auto-ultrasonic mold non-destructive detecting device according to claim 6, it is characterised in that：The X-axis load-bearing part
Y-axis limit switch is installed with close to Y-axis guide rod position, the Y-axis load-bearing part corresponds to Y-axis limit-switch positions and is installed with Y-axis
Switch actuating piece, the Y-axis switch actuating piece follow Y-axis load-bearing part to touch folding in Y-axis limit switch.
8. auto-ultrasonic mold non-destructive detecting device according to claim 1, it is characterised in that：The Z-axis transmission dress
The connecting bracket including being fixedly connected with connecting seat is put, is fixedly installed in the Z axis driving motor on connecting bracket top, is driven with Z axis
The connected ball screw of dynamic motor driving, setting connecting bracket are located at the Z axis guide rod of ball screw both sides, and transmission is set to rolling
The Z axis load-bearing part of ballscrew and Z axis guide rod, the connecting rod are fixedly connected with Z axis load-bearing part, and the connecting bracket is close to Z
Axis driving motor side is equipped with Z axis touch switch, and the Z axis load-bearing part transmission touches folding in Z axis limit switch.
9. the control system of the auto-ultrasonic mold non-destructive detecting device according to claim 1~8 any one, special
Sign is：The control system includes manual/auto switch unit, motor control unit, origin recognition unit, material tests list
Member, the probe real-time recording unit of XY coordinates；
The manual/auto switch unit refers to be an externally input with a change-over switch, is signal acquisition center by PLC,
Realize manual operation mode or automatic mode control；
The motor control unit refers to that center, motor are executive component in order to control with PLC, and PLC exports three group pulses, control
The movement of tri- axis of XYZ drives probe to press continuous detection of the defined route in material surface cover type at the appropriate speed；
The origin recognition unit refers to be an externally input with XYZ limit switches, and PLC is in signal acquisition, conversion and output
The heart, when one of limit switch is pressed, then where axis motor stop motion, when XYZ limit switches are pressed, i.e.,
For probe mechanical arm origin is returned in three axial directions；
The material tests unit includes no material tests module and edge of materials detection module；It is described to whether there is material tests mould
Block refers to two second close switches that for inductor PLC is signal acquisition, conversion and output center, when material is in place
When, two second are both turned on close to switch, the conducting of PLC corresponding input points, and when being activated with reference to automatic mode, which will be by
It is automatic to start；
The edge of materials detection module is the intelligentized key of detection, is referred to four first close switches for inductor, PLC
For signal acquisition, conversion and output center, in the non-edge detection of material surface, four first close to switch all in
Conducting state is in off state when the edge for reaching material direction one, the first of corresponding direction one close to switch, and PLC is adopted
Collect the signal, output pulse signal is controlled into motor, realize and drive probe in the positive direction (direction in the direction vertical with direction one
Two) distance of a mobile probe diameter size, further, the negative direction toward direction one of popping one's head in continue to detect；
The probe real-time recording unit of XY coordinates refers to that using PLC as data processing centre motor drives for executive component and synchronizes
Band is subjected to displacement, and under the premise of origin is identified, the absolute coordinate (XY coordinates) for opposite origin of popping one's head in is recorded in real time at PLC's
Two data fields；Computer can read the two data fields by the communication between PLC, the real time position popped one's head in, knot
The obtained ultrasonography of Z-direction of ultrasonic probe detection material is closed, three-dimensional visualization image that can be inside building material.
10. according to the detection controlling party of auto-ultrasonic mold non-destructive detecting device as described in any one of claim 1 to 9
Method, it is characterised in that：The detection control method is that equipment is powered, Z axis Aligning control, and in place, XY axis returns original to Z axis origin simultaneously
Point, three axis origins are in place；Three axis origins in place+material put in place+manual switch is opened+and pressed start button
(or three axis origins in place+material put in place+automatic switch open), Z axis movement, probe moves down, when any one
First becomes conducting state, Z axis stop motion close to switch, if meeting except be located at X-axis negative direction, Y-axis negative direction first connects
Nearly switch, other two first are both turned on close to switch, and X-axis movement is popped one's head in toward the movement of X-axis positive direction, when positioned at X-axis positive direction
First disconnected close to switch, X-axis stop motion pops one's head in and the distance of a probe diameter size is moved toward Y-axis positive direction, then
It pops one's head in toward the movement of X-axis negative direction, when the 4mm positioned at X-axis negative direction is disconnected close to switch, X-axis stop motion is popped one's head in toward Y-axis just
The distance of a probe diameter size is moved in direction, then pops one's head in toward the movement of X-axis positive direction, so recycles, until in X-direction
Two first close to switch, Y-axis positive direction first close to switch all in off-state, detection finishes.
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