CN207336469U - A kind of Fast synchronization scanning means - Google Patents
A kind of Fast synchronization scanning means Download PDFInfo
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- CN207336469U CN207336469U CN201720932609.1U CN201720932609U CN207336469U CN 207336469 U CN207336469 U CN 207336469U CN 201720932609 U CN201720932609 U CN 201720932609U CN 207336469 U CN207336469 U CN 207336469U
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Abstract
The utility model discloses a kind of Fast synchronization scanning means, including support member, the first motion, the second motion, detection part and balanced controls, wherein：First motion is connected with the support member, and the detection part or detection sample are connected with first motion and realize first direction linear reciprocating motion with first motion；Second motion is connected with the support member, is detected sample or detection part with second motion and is realized that second direction is moved with second motion；The utility model device, conventional technique thinking has been abandoned i.e. by the improvement under grid scan pattern, but first direction movement and second direction movement are performed by different mechanisms, with reference to synchronous scanning, predetermined scanning track can be synthesized, the technical barrier that whole industry further develops is restricted so as to overcome.
Description
Technical field
The utility model belongs to technical field of nondestructive testing, more particularly to a kind of Fast synchronization scanning means.
Background technology
Non-Destructive Testing is using characteristics such as sound, light, magnetic and the electricity of material, is used not damaging or not influencing detected object
On the premise of performance, detect in checked object and whether there is defect or inhomogeneities, provide defect size, position, property sum number
The information such as amount.Compared with destructiveness detects, Non-Destructive Testing has following characteristics for it.First is with non-destructive, because it is doing
The performance of detected object will not be damaged during detection；Second have it is comprehensive, it is necessary since detection is non-destructive
When detected object can be carried out 100% complete detection, this is that destructive detection is unable to handle；3rd has whole process, breaks
The detection of bad property generally is only applicable to be detected raw material, stretching, compression, the bending generally used in such as mechanical engineering,
Destructive test is carried out both for manufacture with raw material, for finished product and in articles for use, unless not preparing to allow it to continue to take
Labour, otherwise cannot carry out destructive detection, and performance of the Non-Destructive Testing because not damaging detected object.So it
Not only can be to manufacture raw material, each middle process link, until final finished product carries out whole detection also can be in commission
Equipment is detected.
Non-destructive testing device includes the equipment such as ultrasonic microscope, electromagnetism, X-ray.It is widely used in making electrical contact with contact weldering
The Non-Destructive Testing and assessment of quality testing, the Key Electron Device and precision mechanical part are connect, while is also widely used in biological tissue
Microscopic observation.
In non-destructive testing device, carry detection module frequently with two-dimentional machinery sweep mechanism and complete to whole sample
Detection.The actuator of sweep mechanism generally all adds precision ball screw using linear motor or electric rotating machine.Traditional two-dimentional machine
Tool scan pattern is grid scan pattern, and scan axis is responsible for scanning, often scans through a line, and stepping axis moves once, step size
For the size corresponding to a pixel.
In order to improve the speed of scanning ultrasonic wave micro-imaging, German KSI Inc. employs Multi probe sweeping scheme at the same time,
I.e. each one sub-regions of scanning probe, then each sub-region stitching is got up, form final scanning result.Using N number of
Probe, then sweep time can save N times.But this method significantly increases cost.
The Chinese utility model patent of Publication No. CN102608208A, discloses a kind of grid based on Dual-spindle linked formula
Scan pattern, this method shorten the time of scanning and stepping by two-axle interlocking, but are substantially still that stepping grid is swept
Pattern is retouched, the scan efficiency of lifting is limited.
At present, it is all to the hard of each motor under existing grid scan pattern that external major company, which puies forward efficient mode,
Part structure proposes optimization, on the premise of kinematic accuracy is met, improves the speed of X or Y-motor as much as possible.But this mode
The motor speed that significantly improves of essence is unable to, the maximum of motor speed is limited to grating frequency and resolution ratio.
Therefore, it is by the technological improvement under grid scan pattern using conventional technique thinking, has been difficult to be lifted again
Sweep speed, this restrict the further technical barrier for developing, becoming whole industry of whole industry.
Utility model content
For it is above-mentioned in the prior art the defects of, the purpose of this utility model is a kind of Fast synchronization scanning means of design,
Conventional technique thinking has been abandoned, can fast and effectively realize scanning, not only can guarantee that good scanning effect, but also can carry significantly
High sweep speed.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of Fast synchronization scanning means, including：Support member, the first motion, balanced controls, detection part,
Two motions, wherein：
The support member is used to support first motion, second motion, first fitness machine
Structure does linear reciprocating motion in the first direction, and second motion moves in a second direction；
The detection part is connected with one in first motion, second motion, and detection sample is then
It is connected with another in first motion, second motion, first motion, second movement
Mechanism drives the detection sample, the detection part to realize first direction linear reciprocating motion, second direction movement；
The motion that first motion moves along a straight line back and forth for realization；
Second motion, is motion, the motion or complexity of cylindrical surface movement for realizing plane motion
The motion of non-plane motion；Alternatively, second motion, is motion, the uniform rectilinear's fortune for realizing step motion
Dynamic motion or the motion of change speed linear motion, so as to drive the detection sample to realize step motion, at the uniform velocity straight
Line moves or change speed linear motion；
The balanced controls are connected with the support member, the balanced controls and the symmetrical cloth of the first motion
Put, move opposite direction, produce and first telecontrol equipment is equal in magnitude, direction opposite effect power, offset described first
The active force of motion.
Preferably, second motion includes the second driving part and horizontal rotating disc, wherein：
Second driving part is installed in the support member, described in the output terminal connection of second driving part
Horizontal rotating disc simultaneously drives the horizontal rotating disc to carry out step motion, uniform circular motion or speed change circular motion in the horizontal plane,
Detection sample or detection part are placed on the horizontal rotating disc and do step motion, even in the horizontal plane with the horizontal rotating disc
Fast circular motion or speed change circular motion.
It is highly preferred that second motion includes the 3rd driving part and vertical dial, wherein：
3rd driving part is installed in the support member, described in the output terminal connection of the 3rd driving part
Vertical dial simultaneously drives the vertical dial to carry out step motion, uniform circular motion or speed change circular motion in vertical plane,
Detection sample or detection part are placed on the vertical dial and step motion, even are done in vertical plane with the vertical dial
Fast circular motion or speed change circular motion.
It is highly preferred that second motion can be by robot perform non-plane motion mechanism, detect sample or
Detection part is placed on robot motion's output block, and random device people does corresponding non-plane motion.
Preferably, the second driving part, the 3rd driving part are motor, or the drive of the other forms such as air pressure, hydraulic pressure
Dynamic component, or the driving mechanism obtained by other mechanism drivings, or the form of manual actuation.
Preferably, described device further comprises：For by first motion and second motion
The image processing equipment of the predetermined scanning track of synchronous scanning synthesis.
Compared with prior art, the utility model has the advantages that：
1. the utility model, which has abandoned conventional technique thinking, passes through improvement under grid scan pattern, but creative
Ground is performed first direction movement and second direction movement by different mechanisms, in conjunction with synchronous scanning, can be synthesized predetermined
Track is scanned, restricts the technical barrier that whole industry further develops so as to overcome, the development for whole industry, has weight
The expansion meaning wanted.
2. first motion and the second motion of the utility model can drive sweep unit or detection sample real
The movement of existing first direction and the movement of second direction.
3. further, for the movement of the utility model second direction for that can be plane motion, cylindrical surface movement or complexity be bent
Face is moved, and is specifically as follows step motion, uniform motion or variable motion, and first direction movement is quick round-trip linear motion,
Improve sweep speed.
4. further, the utility model balanced controls can improve the stability of device entirety, reduce vibration, ensure
The precision of detection.
5. it is further, on-line checking is desirably integrated into using the device of the utility model and realizes full inspection, will be described
After device is connected with the equipment of production workpiece, each workpiece of production can be detected.
Brief description of the drawings
Fig. 1 is the apparatus structure schematic diagram in one embodiment of the utility model；
Fig. 2 is the schematic diagram of the second motion in one embodiment of the utility model；
Fig. 3 is the schematic diagram of the second motion in another embodiment of the utility model；
Fig. 4 is the schematic diagram of the second motion using multi-freedom robot in another embodiment of the utility model；
Fig. 5 is prior art grid scan mode schematic diagram；
Fig. 6 is the triangle scan track sampled point Y-axis equidistantly distributed schematic diagram of one embodiment of the utility model；
Fig. 7 is the final bitmap array matrix resulting pixel image schematic diagram of one embodiment of the utility model；
In figure：
Rack 1, the first motion 2, balanced controls 3, detection part 4, detection sample 5, the second motion 6, second
Motor 7, horizontal rotating disc the 8, the 3rd is driven to drive motor 9, vertical dial 10, robot 11.
Embodiment
The technical solution of the utility model is further described below, the following description is only to understand the utility model
Technical solution is used, and is not used in restriction the scope of the utility model, and the scope of protection of the utility model is subject to claims.
As shown in Figure 1, be the preferred embodiment described in the utility model for realizing the device quickly scanned, including：Rack 1,
First motion 2, balanced controls 3, detection part 4, detection sample 5, the second motion 6；Wherein：
First motion 2 is connected with the rack 1, and first motion 2 is connected with the rack 1, institute
Detection part 4 is stated to be connected with first motion 2 and realize that first direction reciprocating linear is transported with first motion 2
Dynamic, second motion 6 connects the detection sample 5 and drives the detection sample 5 to realize that second direction is moved.It is described
First motion 2 is combined synchronous scanning with second motion 6, synthesizes predetermined scanning track.The balanced controls 3
It is opposite with the direction of motion of first motion 2.
In other embodiments, the detection part 4 can also be connected and with described second with second motion 6
Motion 6 realizes that second direction is moved, and first motion 2 then connects the detection sample 5 and drives the detection
Sample 5 realizes first direction linear reciprocating motion.
As a preferred embodiment, the detection part 4 can be ultrasonic transducer or other shapes
Formula, including launch and receive light or electromagnetic wave or such as neutron, electronics or other particles or fluid, gas or sound wave or
Person magnetic field or the device of electric field, or other can detect or influence the medium of object.
As shown in Fig. 2, being an embodiment of the second motion 6, second motion 6 includes the second driving motor
7th, horizontal rotating disc 8；Wherein：
In the bottom fixation and the rack 1 of the second driving motor 7, the horizontal rotating disc 8 passes through connecting shaft and institute
State the second driving part 7 to connect, the detection sample 5 is placed on the horizontal rotating disc 8；
When the described second driving motor 7 works, the second driving motor 7 drives the horizontal rotating disc 8 around the company
Spindle carries out step motion, uniform circular motion or speed change circular motion in the horizontal plane, and the detection sample 5 is with the level
Turntable 8 does step motion, uniform circular motion or speed change circular motion；Since the radius selected by the horizontal rotating disc 8 is enough
Greatly, therefore in the range of movement of detection part 4, the movement of the detection sample 5 can be approximated to be linear motion.
As shown in figure 3, being another embodiment of the second motion 6, second motion 6 includes the 3rd driving electricity
Machine 9, vertical dial 10：Wherein：
In the bottom fixation and the rack 1 of the 3rd driving motor 9, the vertical dial 10 passes through connecting shaft and institute
State the 3rd driving motor 9 to connect, the detection sample 5 is placed on the vertical dial 10；
When the described 3rd driving motor 9 works, the 3rd driving motor 9 drives the vertical dial 10 around described
Connecting shaft carries out step motion, uniform circular motion or speed change circular motion in vertical plane, and the detection sample 5 hangs down with described
Straight turntable 10 does step motion, uniform circular motion or speed change circular motion；Since the radius of the vertical dial 10 is sufficiently large,
Therefore in the range of movement of detection part 4, the movement of the detection sample 5 can be approximated to be linear motion.
As shown in figure 4, being another embodiment of the second motion 6, second motion 6 includes multiple degrees of freedom machine
Device people 11, wherein：
The multi-freedom robot 11 is installed in the rack 1, and detection sample 5 is fixed on the multiple degrees of freedom machine
In the executing agency of people 11, detection sample 5 carries out complex-curved movement.
Second motion 6, is motion, the motion or complex-curved of cylindrical surface movement of plane motion
The motion of movement.
Second motion 6, is that the motion of step motion, the motion of linear uniform motion or speed change are straight
The motion of line movement.
Above is the preferred embodiment of second motion 6, second motion 6 is that can realize second
The device of direction movement.In other embodiments, or cam link mechanism, slider-crank mechanism, cylindrical cam mechanism,
Rack and pinion mechanism, leadscrew-nut mechanism, synchronous belt mechanism, cylindrical end face cam mechanism, groove bar mechanism, electric drive cylinder etc. other
It can realize the device of linear motion.
Device described in the utility model synchronizes scanning, cancels the scan mode (as shown in Figure 5) of stepping grid, but
By the way of Biaxial synchronous, while the first motion moves back and forth, the second motion is synchronized with the movement pre- to realize
If track.
Specifically, when synchronizing scanning using above device, its concrete principle and process are as follows：
Step 1: the first motion 2 drives detection part 4 to do linear reciprocating motion.Meanwhile second driving motor 7 or
3rd driving motor 9 drives the second motion 6 detection sample 5 is done plane or non-plane motion, or multi-freedom robot 11
Plane or non-plane motion are done with detection sample 5.Scanning track has a generally triangular shape curve, step curve, sine curve or similar
Various curves.
Step 2: using 4 linear position of push rod described in optical grating ruler measurement, equidistant trigger signal collection, so as to fulfill the
The equidistant signal acquisition of one direction of motion.Grating scale back and forth fix every time triggering collection card collection signal must be fulfilled for for N times it is following
Formula, to ensure the first direction of motion detection resolution meet demand：
N ＞ S*2/Yresolution,
In formula：S is swash width, YresolutionFor the first direction of motion detection resolution；
The equidistant signal acquisition of first direction of motion under triangle scan track is as shown in Figure 6.
Preferably, gathered using the rotary encoder through signals of the first driving motor 2, equidistant trigger signal, so as to fulfill
The equidistant signal acquisition of first direction of motion.
Preferably, gathered using the linear position of the second motion of optical grating ruler measurement 6, equidistant trigger signal, so that
Realize the equidistant signal acquisition of second direction of motion.
Preferably, the rotary encoder through signals of motor 9 are driven using the second driving motor 7 or the 3rd, equidistantly triggering letter
Number collection, so as to fulfill the equidistant signal acquisition of second direction of motion.
Step 3, is converted into image intensity value by the magnitude of voltage acquired in the collection point on path planning and makees interpolation meter
Calculate, draw final required bitmap array matrix, resulting pixel image is as shown in Figure 6.
Preferably, the second motion provides the first direction of motion step function at the same time, for size beyond the first movement
The detection sample of mechanism scanning range, after step 3, detection sample first can be adjusted by the second motion and is moved
Direction stepping so that non-sweep test is in the scanning area of scanning means, returns again to step 3 and is scanned (the second fortune at this time
Dynamic direction is opposite with preceding single pass), repeat until entirely detection Sample Scan is completed.
Device described in the utility model, may further include：For by first motion and described second
The image processing equipment of the predetermined scanning track of synchronous scanning synthesis of motion.In the device equipped with image processing equipment,
Finally can be by image processing equipment further according to recorded positional information completion image mosaic is passed through, synthesis is predetermined to sweep
Retouch track.The image processing equipment can use computer, embeded processor, programmable controller etc., specifically use
Image composing technique can use the prior art to realize, this specific implementation on the utility model does not influence.
The utility model, which overcomes, restricts the technical barrier that whole industry further develops, creatively using two differences
Motion, drives detection part, detection sample to carry out the movement of different directions respectively, in conjunction with Fast synchronization scan operation,
Improve sweep speed.
Further, the utility model balanced controls can improve the stability of device entirety, reduce vibration, ensure that
The precision of detection.
Although the content of the utility model is discussed in detail by above preferred embodiment, but it should be appreciated that on
The description stated is not considered as the limitation to the utility model.After those skilled in the art have read the above, for
A variety of modifications and substitutions of the utility model all will be apparent.Therefore, the scope of protection of the utility model should be by appended
Claim limit.
Claims (7)
- A kind of 1. Fast synchronization scanning means, it is characterised in that：Including：Support member, the first motion, balanced controls, inspection Component, the second motion are surveyed, wherein：The support member is used to support first motion, second motion, the first motion edge First direction does linear reciprocating motion, and second motion moves in a second direction；The detection part is connected with one in first motion, second motion, detection sample then with institute State another in the first motion, second motion to connect, first motion, second motion The detection sample, the detection part is driven to realize first direction linear reciprocating motion, second direction movement；The motion that first motion moves along a straight line back and forth for realization；Second motion, is motion, the motion or complex-curved of cylindrical surface movement for realizing plane motion The motion of movement；Alternatively, second motion, is motion, the linear uniform motion for realizing step motion The motion of motion or change speed linear motion, so as to drive the detection sample to realize step motion, uniform rectilinear's fortune Dynamic or change speed linear motion；The balanced controls are connected with the support member, and the balanced controls are arranged symmetrically with first motion, fortune Dynamic opposite direction, produces and first telecontrol equipment is equal in magnitude, direction opposite effect power, offsets first fitness machine The active force of structure.
- 2. Fast synchronization scanning means according to claim 1, it is characterised in that：Second motion includes second Driving part and horizontal rotating disc, wherein：In the bottom fixation of second driving part and the support member, the output terminal connection institute of second driving part State horizontal rotating disc and drive the horizontal rotating disc to carry out step motion, uniform circular motion or speed change circumference fortune in the horizontal plane It is dynamic, detect sample or detection part is placed on the horizontal rotating disc and does stepping fortune in the horizontal plane with the horizontal rotating disc Dynamic, uniform circular motion or speed change circular motion.
- 3. Fast synchronization scanning means according to claim 2, it is characterised in that：Second driving part for motor, Air pressure driving part or hydraulic driving part, or manual driving member.
- 4. Fast synchronization scanning means according to claim 1, it is characterised in that：Second motion includes the 3rd Driving part and vertical dial, wherein：In the bottom fixation of 3rd driving part and the support member, the output terminal connection institute of the 3rd driving part State vertical dial and drive the vertical dial to carry out step motion, uniform circular motion or speed change circumference fortune in vertical plane It is dynamic, detect sample or detection part is placed on the vertical dial and stepping fortune is done in vertical plane with the vertical dial Dynamic, uniform circular motion or speed change circular motion.
- 5. Fast synchronization scanning means according to claim 4, it is characterised in that：3rd driving part for motor, Air pressure driving part or hydraulic driving part, or manual driving member.
- 6. Fast synchronization scanning means according to claim 1, it is characterised in that：Second motion, is by machine The non-plane motion mechanism that device people performs, detects sample or detection part is placed on robot motion's output block, and random device People does corresponding non-plane motion.
- 7. according to claim 1-5 any one of them Fast synchronization scanning means, it is characterised in that：Described device is further wrapped Include：At image for first motion to be synthesized to predetermined scanning track with the synchronous scanning of second motion Manage equipment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720932609.1U CN207336469U (en) | 2017-07-28 | 2017-07-28 | A kind of Fast synchronization scanning means |
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| CN201720932609.1U CN207336469U (en) | 2017-07-28 | 2017-07-28 | A kind of Fast synchronization scanning means |
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| CN207336469U true CN207336469U (en) | 2018-05-08 |
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