CN206074525U - A kind of ultrasonic phased array imaging detection means towards aluminum alloy stirring friction welding part - Google Patents
A kind of ultrasonic phased array imaging detection means towards aluminum alloy stirring friction welding part Download PDFInfo
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- CN206074525U CN206074525U CN201620915189.1U CN201620915189U CN206074525U CN 206074525 U CN206074525 U CN 206074525U CN 201620915189 U CN201620915189 U CN 201620915189U CN 206074525 U CN206074525 U CN 206074525U
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- ultrasonic
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- aluminum alloy
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Abstract
This utility model is related to a kind of ultrasonic phased array imaging detection means towards aluminum alloy stirring friction welding part, and it includes ultrasonic phase array probe, ultrasonic phase array circuit system, conveyer belt, clamping device, switch board and the computer being fixed on tapered wedges.Computer can control conveyer belt and clamping device by switch board, and can connect ultrasound phase-control array 1 system by data wire, obtain the scanogram of ultrasonic phase array.After image is obtained, the software on computer can be optimized analysis and store to scanogram.This utility model adopts motorized stage and combines ultrasonic phase array device, with high degree of automation, continuous detecting performance be good, detection speed is fast and the low advantage of labor intensity, industrial computer is introduced simultaneously, defect can be accurately positioned and detection by quantitative, be met the demand of industrial nondestructive testing.
Description
Technical field
This utility model belongs to the cannot-harm-detection device, in particulars relate to one kind towards aluminum alloy stirring friction welding thin plate weldment
Ultrasonic phased array imaging detection means.
Background technology
In conventional lossless detection method, ultrasound detection has that penetration power is strong, detection sensitivity is high, strong adaptability, make
With it is flexible and harmless the advantages of, become one of means that industrial nondestructive testing is finally wanted.Ultrasonic phase array is because of which
The performance such as flexible acoustic beam control and fast imaging, receives more and more attention, becomes field of ultrasonic nondestructive detection recently
The study hotspot for growing up.
Although the arc welding of aluminium alloy is after defects such as the development of over half a century, gas pore in weld metal, fire checks,
The problems such as strength of joint loss of energy, deformation of thin-wall construction, fails thoroughly solution all the time.And the appearance of agitating friction weldering, base
The shortcoming of arc welding is eliminated in sheet, its remarkable technical advantage, potential economic and social benefit have shown
In the popularization and application of its vehicle.
Agitating friction weldering is a kind of new Solid-phase welding technology, it avoid pore, be mingled with, the defect such as solidification cracking
Produce, be applied to the welding of aluminium alloy at first, be particularly suited for welding light metal thin plate.However, when welding condition is selected
When unreasonable, occur in weld seam be close to, trickle and position is to complicated defect, during using conventional ultrasonic detection equipment, detection
Efficiency comparison is low and Detection results are usually undesirable.
Utility model content
For the problem in aluminium alloy sheet agitating friction weldment defects detection, this utility model can there is provided one kind
Take into account the ultrasonic phased array imaging detection means of detection efficiency and Detection results, its compact conformation, high degree of automation, Neng Gou
The demand of batch detection is met to a certain extent.
The technical solution of the utility model is：A kind of ultrasonic phase array towards aluminum alloy stirring friction welding thin plate weldment is examined
Device is surveyed, it is by the ultrasonic phase array probe, ultrasonic phase array circuit system, conveyer belt, clamping dress being fixed on tapered wedges
Put, switch board and computer composition.On the one hand, computer provides instruction by the detection imaging software for carrying, using ultrasound
Phased-array circuit system control ultrasonic phase array probe transmitting and reception signal, and Real-time Collection is carried out to data；On the other hand,
Computer passes through cable connection with the input of switch board, and the movement that can control conveyer belt with clamping device is to meet actual inspection
The needs of survey.
This utility model also has following technical characteristic：
Described ultrasonic phase array probe is screwed on tapered wedges, can avoid weldering using the mode of oblique incidence
The impact of seam area's ripple, carries out sector scan imaging, and has good ability of discovery near surface flaw to welded seam area.It is super
In sound phased array transducer, number of wafers is 32, and mid frequency 10MHz, wafer pitch 0.31mm, effective aperture 9.9mm, tapered wedges incline
Oblique angle is advisable at 45 °～60 °, can prepare the tapered wedges of multiple angles to meet the demand under different situations.
The ultrasonic phase array circuit system is made up of mainboard, master control borad, ultrasonic trigger board/receiver board, and mainboard is connected to
Ultrasonic phase array is popped one's head in, and master control borad is connected to computer, can carry out digital-to-analogue conversion, signal is changed into image.Computer pair
Each array element carries out phase control emission parameter calculating, obtains the various parameters such as phase place, frequency, amplitude, by these parameters by numeral
Signal is first issued to each ultrasound emission/receiver board, and then in ultrasonic phase array probe, each passage produces excitation waveform, encourages each battle array
Unit's transmitting ultrasound wave.After ultrasonic emitting, each array element receives ultrasound echo signal, Jing each receiving channel programming amplifying, band logical
After filtering, data are sent into into computer after the conversion of ultrasound emission/receiver board, wait multi-channel waveform to show, post processing etc.
Operation.
The clamping device and conveyer belt are all controlled by switch board by computer.Clamping device can be in three-dimensional side
Move up, have coarse adjustment and accurate adjustment both of which when mobile, ensure that and the ultrasonic phase array of clamping device front end is popped one's head in
It is placed on ideal position.Clamping device can be moved along the direction parallel to weld seam with probe, when being both avoided that hand-held mobile
Image is not sufficiently stable, and can mitigate the labor intensity of testing staff again.Clamping device front end can carry out little with tapered wedges bearing
The angle movement of scope, so can detect that different depth defect using less fan sweeping angle, it is ensured that detection
Accuracy.Conveyer belt is responsible for for aluminum alloy stirring friction welding sheet member being sent to specified location reception ultrasonic phased array imaging, inspection
Next block of plate can be sent to position at once that specify again after terminating for survey, can meet continuous detecting work to a certain extent
Need, effectively improve detection efficiency.
Detection imaging software is installed on the computer, ultrasonic beam can be controlled by ultrasonic phase array circuit system
Transmitting with receive, the deflection of sound wave with focus on, positioning and the quantitative information of collection defect, optimization defect image and preservation number
According to.
Operation principle of the present utility model is as follows：First aluminum alloy stirring friction welding sheet member is placed on conveyer belt, is passed
Band is sent to stop after being transferred to specified location.Tapered wedges are placed on computer controls clamping device the side table of welding point
Face, from Weld pipe mill about 5mm and keeps the lower surface of tapered wedges parallel with thin sheet surface.Now, using software to ultrasonic phase
Control battle array circuit system parameter preset, then circuit system generation pulse signal, encourages ultrasonic phase array probe transmitting ultrasound wave, together
When ultrasonic phase array probe receive echo-signal, show weld seam sector image Jing after analog digital conversion over the display.According to image
The position of ultrasonic phase array probe is adjusted again, to ensure that sector scanning image can cover the thickness of whole thin board welding seam, is kept away
Exempt from check frequency.After finished by parameter preset adjustment, control ultrasonic phase array probe is along even parallel to bead direction
Speed and lentamente, it is mobile, examine the real-time pictures on computer display, after defect is found, clamping device stops work
Make, the imaging software on computer is recorded the image of defect with position and preserved in real time.After whole piece weld seam is all detected to be terminated,
Ultrasonic phase array probe returns to original position, next piece of aluminum alloy friction stir sheet member is placed on a moving belt, repeats this
One process, improves detection efficiency.
The beneficial effects of the utility model：Propose a kind of ultrasound phase-control towards aluminum alloy stirring friction welding thin plate weldment
Battle array imaging detection device, can see the weld image of aluminum alloy stirring friction welding sheet member, image in detection process in real time
In include the position at defect place, the information such as length.Using tapered wedges and sector scanning, image matter on the one hand can be improved
Amount and detection efficiency, overlap when on the other hand detecting and cover the omission that effectively prevent defect.Package unit is simple to operate, knot
Structure is compact, high degree of automation, efficiently and effectively can improve the detection efficiency of aluminum alloy stirring friction welding sheet member with it is accurate
Rate.
Description of the drawings
Fig. 1 is the signal of the ultrasonic phased array imaging detection means towards aluminum alloy stirring friction welding part of the present utility model
Figure.
Specific embodiment
With reference to the accompanying drawings and examples utility model content is described further：
As shown in figure 1, towards the ultrasonic phased array imaging detection means of aluminum alloy stirring friction welding part, it is by being fixed on
Ultrasonic phase array probe 2, ultrasonic phase array circuit system 3, conveyer belt (4) on tapered wedges 1, clamping device 5,6 and of switch board
Computer 7 is constituted.
Ultrasonic phase array probe is connected with tapered wedges by screw, the scan mode for adopting for sector scanning, with tapered wedges 1
Sector scanning can eliminate the interference of secondary lobe, increase detection range, can also realize that waveform is changed, can both carry out compressional wave inspection
Surveying can carry out shear wave detection again.In ultrasonic phase array probe, number of wafers is 32, mid frequency 10MHz, wafer pitch
0.31mm, effective aperture 9.9mm, the inclined angle of tapered wedges are advisable at 45 °～60 °, can prepare the tapered wedges of multiple angles
To adapt to the demand of different situations.Ultrasonic phase array probe is connected with ultrasonic phase array circuit system by external cable, ultrasound
Phased-array circuit system is made up of mainboard, master control borad, ultrasonic trigger board/receiver board, and mainboard is connected to ultrasonic phase array probe, main
Control plate is connected to computer, can carry out digital-to-analogue conversion, ultrasonic signal is changed into digital picture.Arrange on inspection software
After parameter, instruction is provided by computer, then the transmitting of ultrasonic phase array circuit system and reception acoustic signals, carry out real time data
Collection and analysis.Ultrasonic phase array probe, ultrasonic phase array circuit system and computer collectively constitute ultrasound phase-control array 1 system, together
When conveyer belt, clamping device and switch board constitute mechanical driving device again.Conveyer belt is responsible for aluminum alloy stirring friction welding is thin
Plate is sent to below clamping device to carry out ultrasound detection to which, is designed for convenience of batch detection.Clamping device is in transmission
The side of band, main effect are to fix ultrasonic phase array probe and ensure which can be stablized evenly to move.Clamping device can
Freely neatly to move on three-dimensional, can angle be changed to ensure with small range with tapered wedges bearing in front end
Optimal detection angles and image are obtained during detection.Meanwhile, the regulation and control of clamping device movement have coarse adjustment and accurate adjustment both of which, both
The efficiency of detection is ensure that, while ultrasonic beam can be allowed to focus on exactly at the 1/2 of thickness of slab.Switch board receives computer and refers to
Order is controlled with clamping device to conveyer belt, facilitates the work of staff.
Specific detection process is as follows：First aluminum alloy stirring friction welding sheet member is placed on a moving belt, conveyer belt will
Which stops after being transferred to ultrasonic phase array probe lower section.Then control the side that tapered wedges are moved to clamping device welding point
Surface, from Weld pipe mill about 5mm and keeps the lower surface of tapered wedges parallel with thin sheet surface.Now, using software to ultrasound
Phased-array circuit system enters presetting for line parameter.Start whole system after the completion of parameter setting, circuit system can be by setting
Delay rule produce pulse signal, by cable encourage ultrasonic phase array probe transmitting ultrasound wave, the ultrasound that each chip sends
Ripple can synthesize the ultrasonic beam with focusing effect into aluminum alloy stirring friction welding sheet member, and the signal of telecommunication after reflection is visited
Head is received, and signal of telecommunication synthetic digital signal is passed to computer by the delay rule of setting by circuit system, it is possible to shown
Real time imaging is observed on device.Now need clamping device to be adjusted again according to real time imaging, allow sector scanning image to cover as far as possible
The thickness of whole thin board welding seam, it is to avoid the blind area of detection.Ultrasonic phase array probe is controlled afterwards along uniform parallel to bead direction
And lentamente move, the real-time pictures on computer display are examined, after defect is found, clamping device quits work,
Imaging software on computer can be recorded the image of defect with position and preserve in real time, be easy to follow-up research.When whole piece is welded
Seam all detects after finishing that control ultrasonic phase array probe returns to original position, to detect next piece of test specimen.
The above, is only preferred embodiment of the present utility model, not makees any formal to this utility model
Restriction, although this utility model is disclosed above with preferred embodiment, but is not limited to this utility model, any ripe
Professional and technical personnel is known, in the range of without departing from technical solutions of the utility model, when in the technology using the disclosure above
Appearance is made a little change or is modified to the Equivalent embodiments of equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, according to technical spirit of the present utility model, within spirit of the present utility model and principle, what above example was made appoints
What simple modification, equivalent and improvement etc., still falls within the protection domain of technical solutions of the utility model.
Claims (3)
1. a kind of ultrasonic phased array imaging detection means towards aluminum alloy stirring friction welding part, it includes being fixed on tapered wedges
(1) ultrasonic phase array probe (2) on, ultrasonic phase array circuit system (3), conveyer belt (4), clamping device (5), switch board
(6) and computer (7), it is characterised in that the conveyer belt (4), clamping device (5) and switch board (6) together constitute machinery
Actuating device, computer (7) by switch board (6) can control machinery actuating device realizing the automatic inspection of weldment to be detected
Survey；Tapered wedges (1) are fixed by screw in clamping device (5) front end, while it can be moved on three-dimensional,
The position of ultrasonic phase array probe (2) is adjusted with this, it is ensured that its relative position between weld seam, to meet real-time monitoring
Demand, ultrasonic phase array probe (2), ultrasonic phase array circuit system (3) and computer (7) constitute ultrasound phase-control array 1 system
Main body, computer (7) can real-time adjustment relevant parameter changing the yawing moment and focal position of ultrasonic beam to obtain most
Good image.
2. the ultrasonic phased array imaging detection means towards aluminum alloy stirring friction welding part according to claim 1, which is special
Levy and be：Ultrasonic phase array probe (2) is screwed on tapered wedges (1), and ultrasonic phase array pops one's head in (2) by 32
Chip ultrasonic component is constituted, and the inclination angle of tapered wedges (1) can be replaced according to practical situation.
3. the ultrasonic phased array imaging detection means towards aluminum alloy stirring friction welding part according to claim 1, which is special
Levy and be：The ultrasonic phase array circuit system (3) includes mainboard, master control borad, ultrasonic trigger board/receiver board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620915189.1U CN206074525U (en) | 2016-08-22 | 2016-08-22 | A kind of ultrasonic phased array imaging detection means towards aluminum alloy stirring friction welding part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620915189.1U CN206074525U (en) | 2016-08-22 | 2016-08-22 | A kind of ultrasonic phased array imaging detection means towards aluminum alloy stirring friction welding part |
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| CN206074525U true CN206074525U (en) | 2017-04-05 |
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| CN201620915189.1U Expired - Fee Related CN206074525U (en) | 2016-08-22 | 2016-08-22 | A kind of ultrasonic phased array imaging detection means towards aluminum alloy stirring friction welding part |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361456A (en) * | 2019-07-22 | 2019-10-22 | 株洲时代电子技术有限公司 | A kind of rail examination signal occurs and processing method |
| CN110596253A (en) * | 2019-07-22 | 2019-12-20 | 株洲时代电子技术有限公司 | Steel rail flaw detection signal generation and processing device |
-
2016
- 2016-08-22 CN CN201620915189.1U patent/CN206074525U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361456A (en) * | 2019-07-22 | 2019-10-22 | 株洲时代电子技术有限公司 | A kind of rail examination signal occurs and processing method |
| CN110596253A (en) * | 2019-07-22 | 2019-12-20 | 株洲时代电子技术有限公司 | Steel rail flaw detection signal generation and processing device |
| CN110361456B (en) * | 2019-07-22 | 2022-03-15 | 株洲时代电子技术有限公司 | Steel rail flaw detection signal generation and processing method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20180822 |