CN106841386A - Compact hand-held solder joint ultrasound automatic scanning device - Google Patents
Compact hand-held solder joint ultrasound automatic scanning device Download PDFInfo
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- CN106841386A CN106841386A CN201710081942.0A CN201710081942A CN106841386A CN 106841386 A CN106841386 A CN 106841386A CN 201710081942 A CN201710081942 A CN 201710081942A CN 106841386 A CN106841386 A CN 106841386A
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- motor
- module
- motion
- ultrasonic probe
- machine support
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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
- G01N29/043—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
- G01N29/26—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
-
- 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
Abstract
The present invention relates to a kind of compact hand-held solder joint ultrasound automatic scanning device, belong to ultrasound examination field.It is made up of to motion module, Y-direction motion module, ultrasound emission-receiver module and accessory module housing module, X.X is fixed on housing module to motion module and accessory module, Y-direction motion module is connected to X in motion module, ultrasound emission/receiver module is fixed in Y-direction motion module, and accessory module couples together scanner internal wiring and outside line, realizes inside and outside signal transmission.Advantage is:Single-point type water logging ultrasonic probe is driven in scanner internal motion by using accurate machine construction, ensures that hand-held solder joint ultrasound automatic scanning utensil has scanning precision higher;Without external water-immersion system, scanning cost is reduced, while reducing the size requirement to workpiece to be checked;By rational deployment motor position and the kind of drive so that ultrasonic scanner volume reduces, and is easy to handheld operation.It is practical.
Description
Technical field
The present invention relates to ultrasound examination field, more particularly to a kind of compact hand-held solder joint ultrasound automatic scanning device.
Background technology
Ultrasonic wave is usually used in carrying out inside workpiece defects detection, in solder joint ultrasound detection field, frequently with single-point type ultrasound
Probe, manually moves ultrasound probe position, and A sweep detection is carried out to a certain position, judges workpiece intra-zone quality
State.This detection mode is only applicable to qualitatively judge, it is impossible to for qualitative assessment.
The detection of quantitative ultrasound ripple typically has following two modes:One is covered on solder joint using ultrasonic phase array probe,
The quantitative determination of solder joint internal soundness can be realized.Because phased array probe is relatively costly, it is difficult to extensive use.Another way
It is that single-point type ultrasonic probe is driven using mechanical mechanism, by the control to mechanical mechanism, makes ultrasonic probe according to certain road
Footpath, carries out cover type scanning in specific region.In order to ultrasonic probe has preferably with workpiece surface in keeping detection process
Coupling, it is general to use immersion type scanning, workpiece is placed in water tank, ultrasonic probe end is immersed in the water.This mode cost
Height, area occupied is big, and may not apply to the larger situation of workpiece, it is difficult to extensive use.Urgently improve.
The content of the invention
It is an object of the invention to provide a kind of compact hand-held solder joint ultrasound automatic scanning device, prior art is solved
The above mentioned problem of presence.The present invention drives single-point type ultrasonic probe in scanner internal motion using accurate machine construction, ensures
Its scanning precision;By water logging self sealing structure, make to keep preferably coupling between ultrasonic probe and delay block, without external water
Soaking system and test;By rational deployment motor position and the kind of drive so that ultrasonic scanner volume reduces, and is easy to handheld operation.
Above-mentioned purpose of the invention is achieved through the following technical solutions:
Compact hand-held solder joint ultrasound automatic scanning device, including housing module, X are to motion module, Y-direction motion module, ultrasound
Transmit/receive module and accessory module, wherein housing module are the bases for connecting and fixing, and X is to motion module and accessory module
It is fixed on housing module;X is moved relative to the X of housing module to motion module built-in motor drive device, realization to scanning;
Y-direction motion module is connected to X in motion module, and built-in motor drive device, realization is swept relative to X to the Y-direction of motion module
Look into motion;Ultrasound emission/receiver module is fixed in Y-direction motion module, ultrasonic probe is carried out X-Y to sweeping in workpiece surface
Look into;Accessory module couples together scanner internal wiring and outside line, realizes inside and outside signal transmission.
The housing module includes upper shell 1, lower house 2 and X to electric machine support 3, and the X passes through spiral shell to electric machine support 3
Bolt is fixed on upper shell 1, and upper shell 1 is fixedly connected with lower house 2.
Described X is driven by X to motion module to motor, realizes Y-direction electric machine support, Y-direction motion module and ultrasound hair
Penetrate/receiver module is for linear motion in the X direction together, structure include X to motor 4, Y-direction electric machine support 5 and X to slide rail 6, its
In, the X is stepping linear motor to motor 4, and its output end is the leading screw 4-1 of rotatable movement and is carried out on leading screw straight
It is threaded connection between Internal thread flange the block 4-2, leading screw 4-1 and Internal thread flange block 4-2 of line motion;X passes through spiral shell to motor 4
Bolt is fastened on X on electric machine support 3;The Y-direction electric machine support 5 is the support of fixed Y-direction motor 7, the Y-direction electric machine support
5 are bolted on X on the Internal thread flange block 4-2 of motor 4, when X works to motor 4, Y-direction electric machine support 5 along X to
It is for linear motion;The X to slide rail 6 be Miniature precision ball cunning group, its basic structure from X to slide rail outer slide, X in slide rail
The X of sliding block and centre is constituted to slide rail Ball Transmission system, is capable of achieving X to relative motion between slide rail inner and outer slider;X is to slide rail 6
Totally two, its X is screwed onto X on electric machine support 3 and Y-direction electric machine support 5 respectively to slide rail inner and outer slider, ensures Y-direction motor branch
Frame 5 makees X to linear motion with respect to X to electric machine support 3.
Described Y-direction motion module is driven by Y-direction motor, realizes ultrasonic probe stent and ultrasound mounted thereto
Transmit/receive module can be in the Y direction it is for linear motion, structure include Y-direction motor 7, synchronous pulley 8, ring-type synchronization skin
Band 9, guide wheel 10, belt guiding trestle 11, Linear Synchronous belt 12, ultrasonic probe stent 13 and Y-direction slide rail 14, wherein, the Y
It is stepper motor to motor 7, exports rotary motion, it is bolted on Y-direction electric machine support 5;Synchronous pulley 8 is tooth form
Synchronous pulley, is fixed in the rotary shaft of Y-direction motor 7;Ring-type synchronous belt 9 respectively with synchronous pulley 8, Linear Synchronous belt 12
Engagement;Guide wheel 10 and belt guiding trestle 11 are fixed together by screw with Y-direction electric machine support 5;Ultrasonic probe stent 13 with
Linear Synchronous belt 12 is glued together so that ultrasonic probe stent 13 is moved along a straight line with Linear Synchronous belt 12 along Y-direction;
Y-direction slide rail 14 is Miniature precision ball cunning group, and its structure is slided by the Y-direction of Y-direction slide rail outer slide, Y-direction slide rail inner slide and centre
Rail Ball Transmission system is constituted, and realizes the relative motion of Y-direction slide rail inner and outer slider, Y-direction slide rail 14 totally two, its Y-direction slide rail
Inner and outer slider is screwed onto on Y-direction electric machine support 5 and ultrasonic probe stent 13 respectively, ensures ultrasonic probe stent 13 with respect to Y-direction electricity
Machine support 5 makees Y-direction linear motion.
Described ring-type synchronous belt 9 is ring-type toothed synchronous belt, by synchronous pulley 8 and four groups of guide wheels 10 by its profile
It is U shape structure to support, i.e., be made up of a U-shaped curved portion 9-1 and three straight line portion 9-2, its U-shaped curved portion
9-1 is engaged with synchronous pulley 8, and straight line portion 9-2 is then fixed by four groups of guide wheels 10 in end points, straight line portion 9-2 bottoms with it is straight
Line locking belt 12 is engaged;The convert rotational motion of synchronous pulley 8 is straight by its U shape structure by ring-type synchronous belt 9
The linear motion of line locking belt 12.
Described ultrasound emission/receiver module completes the transmitting of ultrasonic wave and receives and by ultrasonic wire harness and ultrasound acquisition
Card feeds back to ultrasonic scan in industrial computer, and structure includes ultrasonic probe 15, delay block 16, tightens nut 17, rubber membrane
18 and band 19, wherein, the ultrasonic probe 15 is single-point type water logging ultrasonic probe, is fixed in ultrasonic probe stent 13;Institute
It is the rigid plastics coupling block between ultrasonic probe 15 and workpiece surface to state delay block 16, and delay block 16 is consolidated by tightening nut 17
It is scheduled on lower house 2;The rubber membrane 18 and band 19 are by ultrasonic probe stent 13, ultrasonic probe 15, delay block 16 and lower casing
Together, ultrasonic probe 15 fills it up with liquid coupling agent 24 to the space-closed formed between body 2 wherein before working, to fill ultrasound
Gap between probe 15 and delay block 16, it is ensured that the coupling between ultrasonic probe 15 and delay block 16.
Described accessory module include X to travel switch 20, Y-direction travel switch 21, button switch 22, aviation plug 23,
Motor harness and ultrasonic wire harness, wherein, the X is screwed onto X on electric machine support 3 to travel switch 20, when Y-direction electric machine support 5
Move to specified location and trigger X to travel switch 20, and feed back stroke signal, to facilitate user's control X to the motion of motor 4
State;The Y-direction travel switch 21 is screwed onto on Y-direction electric machine support 5, when ultrasonic probe stent 13 moves to specified location i.e. instead
Feedback stroke signal, to facilitate the motion state of user's control Y-direction motor 7;The button switch 22 is fixed on upper shell 1, and two
Connection motor harness in end is X to motor 4 and the power switch of Y-direction motor 7;The aviation plug 23 is fixed on upper shell 1,
Motor harness is opened to motor 4, Y-direction motor 7, X with X by aviation plug 23 to travel switch 20, Y-direction travel switch 21, button
22 are closed to connect.Ultrasonic wire harness is connected by aviation plug 23 with ultrasonic probe 15, is that ultrasonic probe 15 provides power supply and signal is passed
It is defeated, and ultrasonic scan result is fed back on industrial computer by ultrasonic acquisition card.
Described X is stepping linear motor to motor 4, and Y-direction motor 7 is stepper motor, exports rotary motion, and X is to electricity
Machine 4, Y-direction motor 7 are placed side by side, and its output shaft is parallel;Y-direction motor 7 is fixed on X in motor 4 by Y-direction electric machine support 5
On screwed flange block 4-2;Y-direction motor 7 passes through the engagement between ring-type synchronous belt 9 and synchronous pulley 8, Linear Synchronous belt 12,
It is the linear motion of Linear Synchronous belt by convert rotational motion;By the motor position of rational deployment two and the kind of drive so that
Ultrasonic scanner completes volume reduction, handheld operation of being more convenient for while X move to, Y-direction two-dimensional scan.
The beneficial effects of the present invention are:Single-point type water logging ultrasonic probe is driven in scanning by using accurate machine construction
Device internal motion, ensures that hand-held solder joint ultrasound automatic scanning utensil has scanning precision higher;By using water logging self sealss
Structure, makes to keep preferably coupling between ultrasonic probe and delay block, without external water-immersion system, reduces scanning cost, together
When reduce to the requirement of the size of workpiece to be checked;By rational deployment motor position and the kind of drive so that ultrasonic scan body
Product reduces, and is easy to handheld operation.It is practical.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright illustrative example and its illustrate, for explaining the present invention, not constitute inappropriate limitation of the present invention.
Fig. 1 is structural representation of the invention;
Fig. 2 is structural representations of the X of the invention to motion module;
Fig. 3 is the structural representation of Y-direction motion module of the invention;
Fig. 4 is water logging self sealing structure schematic diagram of the invention;
Fig. 5 is external cabling schematic diagram of the invention;
Fig. 6 is ultrasonic probe scanning path schematic diagram of the invention.
In figure:1st, upper shell;2nd, lower house;3rd, X is to electric machine support;4th, X is to motor;5th, Y-direction electric machine support;6th, X is to cunning
Rail;7th, Y-direction motor;8th, synchronous pulley;9th, ring-type synchronous belt;10th, guide wheel;11st, belt guiding trestle;12nd, Linear Synchronous skin
Band;13rd, ultrasonic probe stent;14th, Y-direction slide rail;15th, ultrasonic probe;16th, delay block;17th, nut is tightened;18th, rubber membrane;19、
Band;20th, X is to travel switch;21st, Y-direction travel switch;22nd, button switch;23rd, aviation plug;24th, liquid coupling agent;4-1、
Leading screw;4-2, Internal thread flange block;9-1, U-shaped curved portion;9-2, straight line portion.
Specific embodiment
Below in conjunction with the accompanying drawings, by taking the MIG solder joint workpiece sensings of a diameter of 15mm as an example, further illustrate of the invention detailed
Content and its specific embodiment.
Referring to shown in Fig. 1 to Fig. 6, compact hand-held solder joint ultrasound automatic scanning device of the invention, including housing module,
X is to connect and fix to motion module, Y-direction motion module, ultrasound emission/receiver module and accessory module, wherein housing module
Basis, X is fixed on housing module to motion module and accessory module;X is realized to motion module built-in motor drive device
X relative to housing module is moved to scanning;Y-direction motion module is connected to X in motion module, built-in motor drive device,
Realization is moved relative to X to the Y-direction scanning of motion module;Ultrasound emission/receiver module is fixed in Y-direction motion module, makes to surpass
Sonic probe carries out X-Y to scanning in workpiece surface;Accessory module couples together scanner internal wiring and outside line, realizes
Inside and outside signal transmission.
The housing module includes upper shell 1, lower house 2 and X to electric machine support 3, and the upper shell 1 is hand-held solder joint
The upper body of ultrasonic automatic scanning device, lower house 2 is the lower case of hand-held solder joint ultrasound automatic scanning device, housing module
It is remaining each part connection of hand-held solder joint ultrasound automatic scanning device and fixed basis.The X is fixed X to electric machine support 3
To the support of motor 4, the X is bolted on upper shell 1 to electric machine support 3, and upper shell 1 is fixedly connected with lower house 2;
Referring to shown in Fig. 1 and Fig. 2, the X is driven by X to motion module to motor, realizes Y-direction electric machine support, Y-direction motion mould
Block and ultrasound emission/receiver module are for linear motion in the X direction together, and structure includes X to motor 4, Y-direction electric machine support 5 and X
To slide rail 6, wherein, the X is stepping linear motor to motor 4, and its output end is for the leading screw 4-1 of rotatable movement and in silk
It is threaded connection between Internal thread flange the block 4-2, leading screw 4-1 and Internal thread flange block 4-2 that are moved along a straight line on thick stick;X to
Motor 4 is bolted and is fixed on X on electric machine support 3;The Y-direction electric machine support 5 is the support of fixed Y-direction motor 7, should
Y-direction electric machine support 5 is bolted on X on the Internal thread flange block 4-2 of motor 4, when X works to motor 4, Y-direction electricity
Machine support 5 is along X to for linear motion;The X is Miniature precision ball cunning group to slide rail 6, and its basic structure is from X to sliding outside slide rail
Block, X are constituted to the X of slide rail inner slide and centre to slide rail Ball Transmission system, are capable of achieving X to relative between slide rail inner and outer slider
Motion;To slide rail 6 totally two, its X is screwed onto X on electric machine support 3 and Y-direction electric machine support 5 to X respectively to slide rail inner and outer slider,
Ensure that Y-direction electric machine support 5 can make X to linear motion with the relative X of steady and smooth to electric machine support 3.
Referring to shown in Fig. 1 and Fig. 3, described Y-direction motion module is driven by Y-direction motor, realize ultrasonic probe stent with
And ultrasound emission/receiver module mounted thereto can be in the Y direction it is for linear motion, structure includes Y-direction motor 7, same
Step belt wheel 8, ring-type synchronous belt 9, guide wheel 10, belt guiding trestle 11, Linear Synchronous belt 12, ultrasonic probe stent 13 and Y
To slide rail 14, wherein, the Y-direction motor 7 is two-phase DC stepper motor, exports rotary motion, and it is bolted on Y-direction
On electric machine support 5;Synchronous pulley 8 is toothed synchronous belt wheel, is fixed in the rotary shaft of Y-direction motor 7;9 points of ring-type synchronous belt
Do not engaged with synchronous pulley 8, Linear Synchronous belt 12;Guide wheel 10 and belt guiding trestle 11 are by screw and Y-direction electric machine support 5
It is fixed together, it is common to ensure the motion that ring-type synchronous belt 9 is capable of steady and smooth;Ultrasonic probe stent 13 is visited for fixed ultrasound
The support of head, it is glued together with Linear Synchronous belt 12 so that ultrasonic probe stent 13 is with Linear Synchronous belt 12 along Y-direction
Moved along a straight line;Y-direction slide rail 14 is Miniature precision ball cunning group, and its basic structure is by Y-direction slide rail outer slide, Y-direction slide rail
The Y-direction slide rail Ball Transmission system composition of sliding block and centre, realizes the relative motion of Y-direction slide rail inner and outer slider, Y-direction slide rail 14
Totally two, its Y-direction slide rail inner and outer slider is screwed onto on Y-direction electric machine support 5 and ultrasonic probe stent 13 respectively, ensures that ultrasound is visited
Head bracket 13 can make Y-direction and move along a straight line with the relative Y-direction electric machine support 5 of steady and smooth.
Described ring-type synchronous belt 9 is ring-type toothed synchronous belt, by synchronous pulley 8 and four groups of guide wheels 10 by its profile
It is U shape structure to support, i.e., be made up of a U-shaped curved portion 9-1 and three straight line portion 9-2, its U-shaped curved portion
9-1 is engaged with synchronous pulley 8, and straight line portion 9-2 is then fixed by four groups of guide wheels 10 in end points, straight line portion 9-2 bottoms with it is straight
Line locking belt 12 is engaged;The convert rotational motion of synchronous pulley 8 is straight by its U shape structure by ring-type synchronous belt 9
The linear motion of line locking belt 12.
Referring to shown in Fig. 1 and Fig. 4, described ultrasound emission/receiver module completes the transmitting of ultrasonic wave and receives and pass through
Ultrasonic wire harness and ultrasonic acquisition card feed back to ultrasonic scan in industrial computer, structure include ultrasonic probe 15, delay block 16,
Nut 17, rubber membrane 18 and band 19 are tightened, wherein, the ultrasonic probe 15 is single-point type water logging ultrasonic probe, is fixed on super
On sonic probe support 13;The delay block 16 is the rigid plastics coupling block between ultrasonic probe 15 and workpiece surface, main to make
Be increase sound path, it is to avoid close area effect of the ultrasonic probe when thin plate detect, raising ultrasonic wave resolution ratio;Delay block 16 leads to
Cross and tighten nut 17 and be fixed on lower house 2;The rubber membrane 18 and band 19 by ultrasonic probe stent 13, ultrasonic probe 15,
Together, ultrasonic probe 15 fills it up with liquid coupling to the space-closed formed between delay block 16 and lower house 2 wherein before working
Agent 24, to fill the gap between ultrasonic probe 15 and delay block 16, this kind of built-in water logging mechanism ensures that ultrasonic probe is making two
During dimension scanning motion, it is ensured that the good coupling between ultrasonic probe 15 and delay block 16.
Referring to shown in Fig. 1 and Fig. 5, described accessory module is opened including X to travel switch 20, Y-direction travel switch 21, button
22, aviation plug 23, motor harness and ultrasonic wire harness etc. are closed, wherein, the X is screwed onto X to electric machine support 3 to travel switch 20
On, X is triggered to travel switch 20 when Y-direction electric machine support 5 moves to specified location, and stroke signal is fed back, to facilitate user
Control motion states of the X to motor 4;The Y-direction travel switch 21 is screwed onto on Y-direction electric machine support 5, when ultrasonic probe stent 13
Move to specified location and feed back stroke signal, to facilitate the motion state of user's control Y-direction motor 7;The button switch 22
It is fixed on upper shell 1, connection motor harness in two ends is X to motor 4 and the power switch of Y-direction motor 7;The aviation plug
23 points is plug portion and socket part, and its socket part is fixed on upper shell 1, with motor internal wire harness and ultrasonic wire harness phase
Even, plug portion is fixed on external motor wire harness and ultrasonic wire harness, realizes the fast insert-pull of exterior strands and internal wire harness.Electricity
Machine wire harness is by aviation plug 23 and X to motor 4, Y-direction motor 7, X to travel switch 20, Y-direction travel switch 21, button switch
22 connections.Ultrasonic wire harness is connected by aviation plug 23 with ultrasonic probe 15, is that ultrasonic probe 15 provides power supply and signal transmission,
And ultrasonic scan result is fed back on industrial computer by ultrasonic acquisition card.
Described X is stepping linear motor to motor 4, and Y-direction motor 7 is stepper motor, exports rotary motion, to save
Space, X is placed side by side to motor 4, Y-direction motor 7, and its output shaft is parallel;Y-direction motor 7 by Y-direction electric machine support 5 be fixed on X to
On the Internal thread flange block 4-2 of motor 4;Y-direction motor 7 passes through ring-type synchronous belt 9 and synchronous pulley 8, Linear Synchronous belt 12
Between engagement, by convert rotational motion for Linear Synchronous belt linear motion;By the motor position of rational deployment two and transmission
Mode so that ultrasonic scanner completes volume reduction, handheld operation of being more convenient for while X move to, Y-direction two-dimensional scan.
The basic exercise pattern of compact hand-held solder joint of the invention ultrasound automatic scanning device is:
X is to motor pattern:Shown in Figure 2, when X starts to motor 4, output shaft rotary motion is screwed to output end
Along X to moving along a straight line, the Y-direction electric machine support 5 one that drive is fixed thereon acts as X and is transported to straight line Internal thread flange block 4-2
It is dynamic, so as to drive the ultrasound emission/receiver module being fixed on Y-direction electric machine support 5 to make X to linear motion.
Y-direction motor pattern is:It is shown in Figure 3, when Y-direction motor 7 starts, output shaft rotary motion, its power is by same
Step belt wheel 8 is exported and stirs ring-type synchronous belt 9 and moves, and the rectilinear end of ring-type Timing Belt 9 is moved along a straight line, and is ordered about and is nibbled therewith
The Linear Synchronous belt 12 of conjunction keeps Y-direction linear motion, and drives the ultrasound emission/reception mould being fixed on Y-direction electric machine support 5
Block makees Y-direction linear motion.
Under in working order, the motion mode of compact hand-held solder joint ultrasound automatic scanning device of the invention is:
1st, computer is opened, starts scanning instruction, X is moved simultaneously to motor 4 and Y-direction motor 7, when moving to X to travel switch
20 and Y-direction travel switch 21 when being pressed into, that is, stroke end position is reached, now, X is inverted to zero to motor 4 and Y-direction motor 7
Position, makes ultrasonic probe 15 reach scanning starting point.
2nd, scanning starts, and Y-direction motor 7 starts, and Y-direction motion module drives ultrasound emission/receiver module along Y-direction scanning one
Straight line;When Y-direction stroke end is reached, Y-direction travel switch 21 is pressed into, the stop motion of Y-direction motor 7, while starting X to motor 4
Operating special angle, drive X to motion module, Y-direction motion module and ultrasound emission/receiver module along X to move it is specific away from
From;To the stop motion of motor 4, Y-direction motor 7 is inverted X afterwards, and Y-direction motion module drives ultrasound emission/receiver module along Y negative side
To scanning straight line;When start of a run is reached, the stop motion of Y-direction motor 7, while start X operates specific angle to motor 4
Degree;So interval is moved back and forth, and cover type scanning is carried out in workpiece surface.
3rd, when X is reached to stroke end, X is pressed into travel switch 20, and X stops to motor 4, and Y-direction motor 7 continues to drive
Y-direction motion module continues to move along Y-direction, until Y-direction travel switch 21 is pressed into, now workpiece reaches X, Y-direction stroke end, sweeps
Come to an end beam;X, Y-direction motor 4,7 are inverted to zero-bit simultaneously, ultrasonic probe 15 is reached scanning starting point, prepare scanning next time.
Shown in Figure 6, specific detection mode of the invention is:Workpiece surface carry out X-Y to cover type stepping sweep
Look into, its scanning scope is 20mm*20mm, scanning precision is 0.5mm.
Preferred embodiment of the invention is the foregoing is only, is not intended to limit the invention, for the technology of this area
For personnel, the present invention can have various modifications and variations.All any modification, equivalent substitution and improvements made for the present invention etc.,
Should be included within the scope of the present invention.
Claims (7)
1. a kind of compact hand-held solder joint ultrasound automatic scanning device, it is characterised in that:Including housing module, X to motion module,
Y-direction motion module, ultrasound emission/receiver module and accessory module, wherein housing module are the bases for connecting and fixing, and X is to fortune
Dynamic model block and accessory module are fixed on housing module;X is realized relative to housing mould to motion module built-in motor drive device
The X of block is moved to scanning;Y-direction motion module is connected to X in motion module, built-in motor drive device, realize relative to X to
The Y-direction scanning campaign of motion module;Ultrasound emission/receiver module is fixed in Y-direction motion module, makes ultrasonic probe in workpiece table
Face carries out X-Y to scanning;Accessory module couples together scanner internal wiring and outside line, realizes that inside and outside signal is passed
Pass.
2. compact hand-held solder joint according to claim 1 ultrasound automatic scanning device, it is characterised in that:Described X to
Motion module is driven by X to motor, realizes Y-direction electric machine support, Y-direction motion module and ultrasound emission/receiver module together in X
For linear motion on direction, structure includes X to motor(4), Y-direction electric machine support(5)With X to slide rail(6), wherein, the X is to electricity
Machine(4)It is stepping linear motor, its output end is the leading screw of rotatable movement(4-1)And moved along a straight line on leading screw
Internal thread flange block(4-2), leading screw(4-1)With Internal thread flange block(4-2)Between for threaded connection;X is to motor(4)By spiral shell
Bolt is fastened on X to electric machine support(3)On;The Y-direction electric machine support(5)It is fixed Y-direction motor(7)Support, the Y-direction electricity
Machine support(5)X is bolted on to motor(4)Internal thread flange block(4-2)On, when X is to motor(4)During work, Y-direction
Electric machine support(5)Along X to for linear motion;The X is to slide rail(6)It is Miniature precision ball cunning group, its basic structure is from X to cunning
Rail outer slide, X are constituted to the X of slide rail inner slide and centre to slide rail Ball Transmission system, are capable of achieving X to slide rail inner and outer slider
Between relative motion;X is to slide rail(6)Totally two, its X is screwed onto X to electric machine support respectively to slide rail inner and outer slider(3)With Y-direction electricity
Machine support(5)On, ensure Y-direction electric machine support(5)With respect to X to electric machine support(3)Make X to linear motion.
3. compact hand-held solder joint according to claim 1 ultrasound automatic scanning device, it is characterised in that:Described Y-direction
Motion module is driven by Y-direction motor, realizes that ultrasonic probe stent and ultrasound emission/receiver module mounted thereto can
In the Y direction for linear motion, structure includes Y-direction motor(7), synchronous pulley(8), ring-type synchronous belt(9), guide wheel
(10), belt guiding trestle(11), Linear Synchronous belt(12), ultrasonic probe stent(13)With Y-direction slide rail(14), wherein, institute
State Y-direction motor(7)It is stepper motor, exports rotary motion, it is bolted on Y-direction electric machine support(5)On;Synchronous pulley
(8)It is toothed synchronous belt wheel, is fixed on Y-direction motor(7)Rotary shaft on;Ring-type synchronous belt(9)Respectively with synchronous pulley
(8), Linear Synchronous belt(12)Engagement;Guide wheel(10)With belt guiding trestle(11)By screw and Y-direction electric machine support(5)Gu
It is scheduled on together, ultrasonic probe stent(13)With Linear Synchronous belt(12)It is glued together so that ultrasonic probe stent(13)With
Linear Synchronous belt(12)Moved along a straight line along Y-direction;Y-direction slide rail(14)It is Miniature precision ball cunning group, its structure is slided by Y-direction
The Y-direction slide rail Ball Transmission system composition of rail outer slide, Y-direction slide rail inner slide and centre, realizes Y-direction slide rail inner and outer slider
Relative motion, Y-direction slide rail(14)Totally two, its Y-direction slide rail inner and outer slider is screwed onto Y-direction electric machine support respectively(5)Visited with ultrasound
Head bracket(13)On, ensure ultrasonic probe stent(13)With respect to Y-direction electric machine support(5)Make Y-direction linear motion.
4. compact hand-held solder joint according to claim 3 ultrasound automatic scanning device, it is characterised in that:Described ring-type
Synchronous belt(9)It is ring-type toothed synchronous belt, by synchronous pulley(8)With four groups of guide wheels(10)It is " recessed " word by its skeletal support
Type structure, i.e., by a U-shaped curved portion(9-1)With three straight line portions(9-2)Composition, its U-shaped curved portion(9-1)With it is same
Step belt wheel(8)Engagement, straight line portion(9-2)Then by four groups of guide wheels(10)Fixed at end points, straight line portion(9-2)Bottom with it is straight
Line locking belt(12)Engagement;Ring-type synchronous belt(9)By its U shape structure by synchronous pulley(8)Rotary motion turn
Turn to Linear Synchronous belt(12)Linear motion.
5. compact hand-held solder joint according to claim 1 ultrasound automatic scanning device, it is characterised in that:Described ultrasound
Transmit/receive module is completed the transmitting of ultrasonic wave and receives and fed back to ultrasonic scan by ultrasonic wire harness and ultrasonic acquisition card
In industrial computer, structure includes ultrasonic probe(15), delay block(16), tighten nut(17), rubber membrane(18)And band
(19), wherein, the ultrasonic probe(15)It is single-point type water logging ultrasonic probe, is fixed on ultrasonic probe stent(13)On;It is described
Delay block(16)It is ultrasonic probe(15)Rigid plastics coupling block between workpiece surface, delay block(16)By tightening nut
(17)It is fixed on lower house(2)On;The rubber membrane(18)And band(19)By ultrasonic probe stent(13), ultrasonic probe
(15), delay block(16)And lower house(2)Between formed space-closed together, ultrasonic probe(15)Add wherein before work
Full liquid coupling agent(24), to fill ultrasonic probe(15)And delay block(16)Between gap, it is ensured that ultrasonic probe(15)With
Delay block(16)Between coupling.
6. compact hand-held solder joint according to claim 1 ultrasound automatic scanning device, it is characterised in that:Described annex
Module includes X to travel switch(20), Y-direction travel switch(21), button switch(22), aviation plug(23), motor harness and
Ultrasonic wire harness, wherein, the X is to travel switch(20)X is screwed onto to electric machine support(3)On, when Y-direction electric machine support(5)Motion
It is to trigger X to travel switch to specified location(20), and stroke signal is fed back, to facilitate user's control X to motor(4)Motion
State;The Y-direction travel switch(21)It is screwed onto Y-direction electric machine support(5)On, work as ultrasonic probe stent(13)Move to specific bit
Put and feed back stroke signal, to facilitate user's control Y-direction motor(7)Motion state;The button switch(22)It is fixed on
Housing(1)On, connection motor harness in two ends is X to motor(4)With Y-direction motor(7)Power switch;The aviation plug
(23)It is fixed on upper shell(1)On, motor harness passes through aviation plug(23)With X to motor(4), Y-direction motor(7), X is to stroke
Switch(20), Y-direction travel switch(21), button switch(22)Connection;Ultrasonic wire harness passes through aviation plug(23)With ultrasonic probe
(15)Connection, is ultrasonic probe(15)Power supply and signal transmission are provided, and ultrasonic scan result is fed back by ultrasonic acquisition card
Onto industrial computer.
7. compact hand-held solder joint according to claim 1 ultrasound automatic scanning device, it is characterised in that:Described X to
Motor(4)It is stepping linear motor, Y-direction motor(7)It is stepper motor, exports rotary motion, X is to motor(4), Y-direction motor
(7)Placed side by side, its output shaft is parallel;Y-direction motor(7)By Y-direction electric machine support(5)X is fixed on to motor(4)Internal thread
Flange block(4-2)On;Y-direction motor(7)By ring-type synchronous belt(9)And synchronous pulley(8), Linear Synchronous belt(12)Between
Engagement, is the linear motion of Linear Synchronous belt by convert rotational motion.
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