CN102221577A - Movable high-accuracy silk material ultrasonic detection system - Google Patents
Movable high-accuracy silk material ultrasonic detection system Download PDFInfo
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- CN102221577A CN102221577A CN2010101461280A CN201010146128A CN102221577A CN 102221577 A CN102221577 A CN 102221577A CN 2010101461280 A CN2010101461280 A CN 2010101461280A CN 201010146128 A CN201010146128 A CN 201010146128A CN 102221577 A CN102221577 A CN 102221577A
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Abstract
The invention discloses a movable high-accuracy silk material ultrasonic detection system, which consists of a substrate platform (1), a clamping mechanism (2) and a detection mechanism (3), wherein the clamping mechanism (2) and the detection mechanism (3) are arranged on the substrate platform (1). The system is characterized in that: the detection mechanism (3) consists of a detection unit (31) and an axial moving unit (32); and the detection unit (31) is flexibly connected with the axial moving unit (32), has a degree of freedom in the radial direction of a silk material, and axially rigidly moves along with the radial movement of the silk material when the silk material moves radially. The movable high-accuracy silk material ultrasonic detection system changes the structural form of a conventional detection apparatus, effectively reduces a missed alarm rate and a false alarm rate, and realizes the digital operations of clamping, rotation and scanning and defect signal acquisition and processing by using private control detection software, thereby realizing the high-flexibility and high-efficiency automatic detection, recording and evaluation of internal defects, surface defects and near surface defects of the silk material.
Description
Technical field
The present invention relates to a material ultrasonic detecting technology, a kind of portable pinpoint accuracy silk material ultrasonic testing system is provided especially.
Background technology
The silk material has a wide range of applications in Aeronautics and Astronautics, field such as medical.Very harsh because of its environment for use, the quality of silk material is had very high requirement, and the silk material is in process such as smelting, rolling, crack sometimes, pore, defective such as be mingled with, if this type of defective can not be detected, will have a strong impact on the safe in utilization of product, cause serious consequence.
At present, to be known as be one of the most effective silk material detection means to the method for Ultrasonic Detection.Existing ultrasonic testing system is primarily aimed at integrated mill's continuous-flow type production testing and designs and produces, adopt " the mechanical scanning system that non-digitalization is spiral to advance ", this system mainly comprises " feed mechanism, detecting unit, the discharging mechanism " linearly arranged and other sorting mechanism of assisting etc. more.Spiral the advancing of silk material drives rubber tire rotational speed regulation silk material rotating speed, rubber tire angular adjustment silk material gait of march by rubber tire.There is following problem in this mode: (1) silk material spiral pace can only be controlled at certain scope interval, and parameter setting error is bigger.(2) the silk material can only advance to spiral by folk prescription, and the scanning form is single, is unfavorable for the qualitative of defective.(3) total system is bulky.
Currently used detecting unit mostly is fixed water logging groove structure, and probe and governor motion fixed and arranged thereof be in inside, the silk material detection mode of passing the coupling cover of water logging groove both sides.There is following problem in this mode: (1) probe, coupling cover and a silk material all are relatively independent, when the silk material is crooked, cause ultrasonic probe to change to the distance of workpiece, and the variation that causes detected parameters causes erroneous judgement or fails to judge.(2) when silk material diameter big slightly, rigidity is strong, the coupling cover of tank both sides can not be with its " alignment ", a silk material can be stuck in the coupling cover both sides, can not implement to detect.(3) coupling cover and silk material are the rigidity frictions, generally select materials such as nylon for use, and deterioration is bigger.(4) governor motion of water apart from parameter will be installed in general water logging groove inside, causes the water logging groove bigger than normal along silk material axial dimension, causes the detection blind area of a material both sides to increase.(5) the water circulation system design easily causes the interference of bubble to testing result.
In order to overcome the deficiencies in the prior art, the present invention provides a kind of portable pinpoint accuracy silk material ultrasonic testing system especially, detecting unit is followed a material radial motion, can realize that a material inside, surface and near surface flaw high sensitivity, high-level efficiency robotization detect, write down and assessment.
Summary of the invention
The purpose of this invention is to provide a kind of portable pinpoint accuracy silk material ultrasonic testing system.
The present invention is the transmission mode that adopts " TP125 type air spider (200) clamping silk material rotation; pneumatic centering machine (4) supplemental support; the rectilinear motion unit drives and moves centering unit (33) and the mobile scanning of detecting unit (31) ", configuration four-way ultrasound emission is accepted system, special-purpose control detection software realization clamping, rotation, the digitizing operation of scanning and collection, processing and the bar chart of flaw indication show, thereby realize that silk material inside, surface and near surface flaw high sensitivity, high-level efficiency robotization detect, write down and assessment.
The invention provides a kind of portable pinpoint accuracy silk material ultrasonic testing system, constitute by matrix platform (1), clamping device (2), testing agency (3), clamping device (2) and testing agency (3) place on the matrix platform (1), testing agency (3) is slidingly connected with matrix platform (1), place on the guide rail of matrix platform (1), and along the detection side to linear slide on guide rail.Testing agency (3) is by detecting unit (31) and move axially unit (32) formation, detecting unit (31) with move axially unit (32) and flexibly connect, detecting unit (31) radially has degree of freedom at the silk material, during the radial motion of silk material, detecting unit (31) is followed a material radial motion, and detecting unit (31) moves at longitudinal stiffness.Like this, when there was certain nonstraightness in bar, detecting unit can " with curved just curved ", and the distance of the sample center line of guaranteeing to pop one's head in does not change, and keeps performance thereby can obtain best parameter, and the nonstraightness of sample has been had better applicability.
Detecting unit of the present invention (31) is made up of probe holder (311), probe (312), 2 coupling covers (313), probe holder (311) circularizes structure, 2 coupling covers (313) place probe holder (311) center, both sides, probe (312) is arranged in the pilot hole on the probe holder, the silk material passes coupling cover (313), with the common deposition water cavity that forms coupling usefulness of probe holder (311).Detecting unit utilizes " connate water " to do coupling water by to the particular design of water circulation system, sets apart and the space to bubble floating, thereby has effectively avoided the interference problem of bubble.
Set up mobile centering unit (33) in the testing agency of the present invention (3), moved centering unit (33) and support supporting rollers (334) and form by pressing down supporting roller (331), corner positive stop strip (332), hand regulator (333), two.Hand regulator (333) connects the support that support supporting roller (334) is housed, and place below the support, press down between supporting roller (331) and two the support supporting rollers (334) and become hexagonal angle, mobile hand regulator (333) is regulated two the wheel spacings that support supporting roller (334) in below, corner positive stop strip (332) is installed in and is equipped with on the support that presses down supporting roller (331) and support supporting roller (334), corner positive stop strip (332) limits the angle that presses down supporting roller (331) and support supporting roller (334) swing, thereby has guaranteed that the silk material keeps good concentricity with left and right sides chuck machinery axle center in testing process.
Clamping device of the present invention (2) is made of TP125 type air spider (200), synchronous band (201), stepper motor (202).Stepper motor (202) is by manual or software control rotation, and stepper motor (202) drives band (201) rotation synchronously, and band (201) drives TP125 type air spider (200) rotation synchronously, the rotation of TP125 type air spider (200) clamping silk material.Clamping device (2) comprises mobile rotating mechanism (21) and fixing rotating mechanism (22), mobile rotating mechanism (21) is installed on the guide rail of matrix platform (1) one side, move along guide rail by stepper motor (202) drive, fixedly rotating mechanism (22) is installed in the opposite side of matrix platform, thereby has realized the automatic clamping and the spinfunction of different silk material diameters.
Set up pneumatic centering machine (4) on the matrix platform of the present invention (1), pneumatic centering machine (4) and mobile rotating mechanism (21) and fixing concentric installation of rotating mechanism (22) center line equidistantly are arranged in matrix platform rear side.Pneumatic centering machine is made up of cylinder (41), guide rail and slide block (42), swiveling wheel (43), gas pawl (44), web joint (45).Cylinder (41) and guide rail and slide block (42) are formed telescoping mechanism, the gas pawl (44) that swiveling wheel (43) is housed is fixed on the guide rail by web joint (45), pneumatic centering machine (4) is gone up to install and is dodged sensor, when detecting unit (31) moves to pneumatic centering machine (4) when dodging sensing station, gas pawl (44) opens, and unclamps a material, regain, in unit to be detected (31) past, gas pawl (44) is back to a material axial location again, compresses gas pawl (44).After guaranteeing that cylinder stretches out, gas pawl (44) is concentric with the silk material, at external part rigidity is housed and hits and stop piece, and the assembly lube compression buffer reduces and stretches out or the contractive action head-on collision stops piece and causes bigger impact, avoids producing vibrations.Mechanical stop limiter is equipped with in matrix platform (1) both sides, will stop when touching mechanical stop limiter moving when moving centering unit (33) and detecting unit (31), prevents from rotating mechanism collision in addition to take place.
Advantage of the present invention: (1) is more wide in range to the requirement of the specification of silk material, nonstraightness, and the scope of application is wider.(2) dwindle silk material two ends and detected the blind area.(3) good parameter keeps performance, and low bubble jamming countermeasure guarantees that high reliability detects.(4) reduced the rate of wear of coupling unit.(5) detecting unit modular design also can cooperate systems such as tubing, bar to use separately.(6) multiple motion scanning mode is more conducive to the qualitative judgement of defective, reduces rate of false alarm.(7) digital parameters setting, touch-screen are controlled automatically, and be more convenient to operate, alleviates working strength.(8) the image conversion result shows, it is simple and easy, directly perceived that the result judges.(9) the complete machine floor area is little, and the high-accuracy high-efficiency that is highly suitable for production applying units such as research institute detects.
Description of drawings
Fig. 1 is portable pinpoint accuracy silk material ultrasonic testing system general structure front view;
Fig. 2 is portable pinpoint accuracy silk material ultrasonic testing system general structure vertical view;
Fig. 3 is for moving centering cellular construction figure;
Fig. 4 is a TP125 type air spider structural drawing;
Fig. 5 is the clamping device cut-open view;
Fig. 6 is pneumatic centering machine structural drawing;
Fig. 7 is the detecting unit structural drawing;
Fig. 8 is the detecting unit cut-open view.
Among the figure 1: matrix platform, 2: clamping device, 3: testing agency, 4: pneumatic centering machine, 21: mobile rotating mechanism, 22: fixing rotating mechanism, 200:TP125 type air spider, 201: be with 202: stepper motor, 31: inspection unit synchronously, 32: move axially the unit, 33: move the centering unit, 311: probe holder, 312: probe, 313: coupling cover, 331: press down supporting roller, 332: corner positive stop strip, 333: hand regulator, 334: support supporting roller.
Embodiment
At Fig. 1, in embodiment illustrated in fig. 2, the mobile rotating mechanism (21) that clamping device (2) is included and fixedly rotating mechanism (22) place on the matrix platform (1), testing agency (3) is slidingly connected with matrix platform (1), and place on the guide rail of matrix platform (1), along the detection side to linear slide on guide rail, pneumatic centering machine (4) and mobile rotating mechanism (21) and fixing concentric installation of rotating mechanism (22) center line, mobile rotating mechanism (21) is installed on the guide rail of matrix platform (1) one side, fixedly rotating mechanism (22) is installed in the opposite side of matrix platform, equidistantly is arranged in matrix platform rear side; Detecting unit (31) with move axially unit (32) and flexibly connect, detecting unit (31) radially has degree of freedom at the silk material, during the radial motion of silk material, detecting unit (31) is followed a material radial motion, detecting unit (31) moves at longitudinal stiffness, detecting unit (31) has only 20mm in the length minimum of tubing axial direction, like this, when there is certain nonstraightness in bar, detecting unit can " just be bent with curved ", the distance of sample center line of guaranteeing to pop one's head in does not change, and keeps performance thereby can obtain best parameter, and the nonstraightness of sample has been had better applicability; And detecting unit (31) has removed screw probe governor motion, and adopt water to regulate detected parameters apart from the mode of regulating ring, parameter renegotiation renaturation height unanimity keeps performance thereby can obtain best parameter, and has dwindled the detection blind area at silk material two ends greatly.
The described portable pinpoint accuracy silk material ultrasonic testing system of present embodiment, when adopting many probes to detect, detecting unit (31) is connected with " servo-actuated drives structure ", adopt the thick steel plate of 1mm or the elastic plate of other material, be converted into " Z " font along the radial direction that detects the silk material, make it to have degree of freedom along silk material radial direction, and possess necessary rigidity along silk material axial direction, when adopting single probe to detect, adopt " suspension type " to connect, the silk material passes coupling cover (313), detecting unit (31) is hung on the material, when the silk material had nonstraightness, along the circumferential direction detecting unit (31) can be with its swing, and the axial direction rigidity promotes detecting unit (31) and moves vertically.According to probe quantity and silk material diameter, should " servo-actuated driving mechanism " can make particular design according to this principle.
In the embodiment shown in fig. 3, hand regulator (333) connects the support that support supporting roller (334) is housed, and place below the support, press down between supporting roller (331) and two the support supporting rollers (334) and become hexagonal angle, mobile hand regulator (333) is regulated two the wheel spacings that support supporting roller (334) in below, corner positive stop strip (332) is installed in and is equipped with on the support that presses down supporting roller (331) and support supporting roller (334), corner positive stop strip (332) limits the angle that presses down supporting roller (331) and support supporting roller (334) swing, thereby has guaranteed that the silk material keeps good concentricity with left and right sides chuck machinery axle center in testing process.
Fig. 7, embodiment illustrated in fig. 8 in, probe holder (311), probe (312), 2 coupling covers (313) have been formed detecting unit (31), probe holder (311) circularizes structure, 2 coupling covers (313) place probe holder (311) center, both sides, probe (312) is arranged in the pilot hole on the probe holder, the silk material passes coupling cover (313), with the common deposition water cavity that forms coupling usefulness of probe holder (311).Detecting unit (31) is by the particular design to water circulation system, consider the position of water circulation channel, water inlet and water delivering orifice all are higher than probe (312) position, under the effect of water pump, filter through thick, thin twice, the water with certain pressure does not directly enter the sound field action space of probe (312), but the flowing space of process certain volume, utilize " connate water " to do coupling water, reserve adequate time to bubble floating, thereby effectively avoided the interference problem of bubble.For alleviating the wearing and tearing of coupling cover (313), except that loss of weight and servo-actuated measure, alternative has been got the plastic bearing of water lubrication, coupling cover according to the poly-tetrafluoro material of silk material diameter coupling, coupling cover also can be along with rotating when silk material circumference rotates, and the water lubrication performance of poly-PTFE is also better, thereby has reduced the replacing of coupling cover class rapid wear object.
Fig. 4, embodiment illustrated in fig. 5 in, TP125 type air spider (200), synchronously band (201), stepper motor (202) have constituted the clamping device (2) of portable pinpoint accuracy silk material ultrasonic testing system; Wherein stepper motor (202) is by manual or software control rotation, stepper motor (202) drives band (201) rotation synchronously, band (201) drives TP125 type air spider (200) rotation synchronously, TP125 type air spider (200) clamping silk material rotates, thereby has realized the automatic clamping and the spinfunction of different silk material diameters.
In the embodiment shown in fig. 6, cylinder (41), guide rail and slide block (42), swiveling wheel (43), gas pawl (44), web joint (45) has been formed pneumatic centering machine, cylinder (41) and guide rail and slide block (42) are formed telescoping mechanism, the gas pawl (44) that swiveling wheel (43) is housed is fixed on the guide rail by web joint (45), pneumatic centering machine (4) is gone up to install and is dodged sensor, when detecting unit (31) moves to pneumatic centering machine (4) when dodging sensing station, gas pawl (44) opens, unclamp a material, regain, in unit to be detected (31) past, gas pawl (44) is back to a material axial location again, compresses gas pawl (44).After guaranteeing that cylinder stretches out, gas pawl (44) is concentric with the silk material, at external part rigidity is housed and hits and stop piece, and the assembly lube compression buffer reduces and stretches out or the contractive action head-on collision stops piece and causes bigger impact, avoids producing vibrations.Mechanical stop limiter is equipped with in matrix platform (1) both sides, will stop when touching mechanical stop limiter moving when moving centering unit (33) and detecting unit (31), prevents from rotating mechanism collision in addition to take place.
Claims (10)
1. portable pinpoint accuracy silk material ultrasonic testing system, by matrix platform (1), clamping device (2), testing agency (3) constitutes, clamping device (2) and testing agency (3) place on the matrix platform (1), it is characterized in that: described testing agency (3) is by detecting unit (31) and move axially unit (32) formation, detecting unit (31) with move axially unit (32) and flexibly connect, detecting unit (31) radially has degree of freedom at the silk material, during the radial motion of silk material, detecting unit (31) is followed a material radial motion, and detecting unit (31) moves at longitudinal stiffness.
2. according to the described portable pinpoint accuracy silk material ultrasonic testing system of claim 1, it is characterized in that: described detecting unit (31) is made up of probe holder (311), probe (312), 2 coupling covers (313), probe holder (311) circularizes structure, 2 coupling covers (313) place probe holder (311) center, both sides, probe (312) is arranged in the pilot hole on the probe holder, the silk material passes coupling cover (313), with the common deposition water cavity that forms coupling usefulness of probe holder (311); Described testing agency (3) and matrix platform (1) are slidingly connected, place on the guide rail of matrix platform (1), and along the detection side to linear slide on guide rail.
3. according to the described portable pinpoint accuracy silk material ultrasonic testing system of claim 1, it is characterized in that: set up mobile centering unit (33) in the described testing agency (3), moved centering unit (33) and support supporting rollers (334) and form by pressing down supporting roller (331), corner positive stop strip (332), hand regulator (333), two.
4. according to claim 1 or 3 described portable pinpoint accuracy silk material ultrasonic testing systems, it is characterized in that: described hand regulator (333) connection is equipped with and is supported supporting roller (334) support, and place below the support, press down supporting roller (331) and two and support between the supporting rollers (334) and become hexagonal angle, corner positive stop strip (332) is installed in and is equipped with on the support that presses down supporting roller (331) and support supporting roller (334).
5. according to the described portable pinpoint accuracy silk material ultrasonic testing system of claim 1～3, it is characterized in that: described clamping device (2) is made of TP125 type air spider (200), synchronous band (201), stepper motor (202).
6. according to the described portable pinpoint accuracy silk material ultrasonic testing system of claim 5, it is characterized in that: described stepper motor (202) is by manual or software control rotation, stepper motor (202) drives band (201) rotation synchronously, band (201) drives TP125 type air spider (200) rotation synchronously, the rotation of TP125 type air spider (200) clamping silk material.
7. according to the described portable pinpoint accuracy silk material ultrasonic testing system of claim 1, it is characterized in that: described clamping device (2) comprises mobile rotating mechanism (21) and fixing rotating mechanism (22), mobile rotating mechanism (21) is installed on the guide rail of matrix platform (1) one side, moved along guide rail by stepper motor (202) drive, fixedly rotating mechanism (22) is installed in the opposite side of matrix platform.
8. according to the described portable pinpoint accuracy silk material ultrasonic testing system of claim 1, it is characterized in that: set up pneumatic centering machine (4) on the described matrix platform (1), pneumatic centering machine (4) and mobile rotating mechanism (21) and fixing concentric installation of rotating mechanism (22) center line, equidistantly be arranged on the matrix platform, pneumatic centering machine (4) is gone up to install and is dodged sensor.
9. according to claim 1 or 8 described portable pinpoint accuracy silk material ultrasonic testing systems, it is characterized in that: described pneumatic centering machine is made up of cylinder (41), guide rail and slide block (42), swiveling wheel (43), gas pawl (44), web joint (45).
10. according to the described portable pinpoint accuracy silk material ultrasonic testing system of claim 9, it is characterized in that: described cylinder (41) and guide rail and slide block (42) are formed telescoping mechanism, and the gas pawl (44) that swiveling wheel (43) is housed is fixed on the guide rail by web joint (45).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010146128.0A CN102221577B (en) | 2010-04-14 | 2010-04-14 | Movable high-accuracy silk material ultrasonic detection system |
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| CN201010146128.0A CN102221577B (en) | 2010-04-14 | 2010-04-14 | Movable high-accuracy silk material ultrasonic detection system |
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| CN102221577B CN102221577B (en) | 2014-08-20 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185743A (en) * | 2011-12-28 | 2013-07-03 | 光洋应用材料科技股份有限公司 | Tubular sputtering coating target material detection mechanism |
| CN105891333A (en) * | 2016-06-06 | 2016-08-24 | 广东省东莞市质量监督检测中心 | Automatic ultrasonic scanning method and device for die steel |
| CN108375631A (en) * | 2018-02-28 | 2018-08-07 | 华南理工大学 | A kind of hydraulic pressure compact form supersonic guide-wave damage detection apparatus towards twisted wire structure |
| WO2019174368A1 (en) * | 2018-03-15 | 2019-09-19 | 中国科学院金属研究所 | Small-diameter wire/rod/tube ultrasonic detection system without end blind area |
| CN110274953A (en) * | 2018-03-15 | 2019-09-24 | 中国科学院金属研究所 | A kind of no end blind area small diameter wire stick tubing ultrasonic detector |
| CN111579649A (en) * | 2019-02-15 | 2020-08-25 | 奥林巴斯美国有限公司 | Ultrasonic wand inspection system with improved centering assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103185743A (en) * | 2011-12-28 | 2013-07-03 | 光洋应用材料科技股份有限公司 | Tubular sputtering coating target material detection mechanism |
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| CN108375631A (en) * | 2018-02-28 | 2018-08-07 | 华南理工大学 | A kind of hydraulic pressure compact form supersonic guide-wave damage detection apparatus towards twisted wire structure |
| WO2019174368A1 (en) * | 2018-03-15 | 2019-09-19 | 中国科学院金属研究所 | Small-diameter wire/rod/tube ultrasonic detection system without end blind area |
| CN110274953A (en) * | 2018-03-15 | 2019-09-24 | 中国科学院金属研究所 | A kind of no end blind area small diameter wire stick tubing ultrasonic detector |
| CN110274953B (en) * | 2018-03-15 | 2021-09-24 | 中国科学院金属研究所 | End blind area-free small-diameter wire rod pipe ultrasonic detector |
| CN111579649A (en) * | 2019-02-15 | 2020-08-25 | 奥林巴斯美国有限公司 | Ultrasonic wand inspection system with improved centering assembly |
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