CN108613631A - Pipe fitting measuring device and measuring method thereof - Google Patents
Pipe fitting measuring device and measuring method thereof Download PDFInfo
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- CN108613631A CN108613631A CN201710537517.8A CN201710537517A CN108613631A CN 108613631 A CN108613631 A CN 108613631A CN 201710537517 A CN201710537517 A CN 201710537517A CN 108613631 A CN108613631 A CN 108613631A
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- pipe fitting
- rotating disk
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- 238000005259 measurement Methods 0.000 claims description 23
- 238000000691 measurement method Methods 0.000 claims description 20
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- 238000010276 construction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
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- 206010057855 Hypotelorism of orbit Diseases 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
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- 239000000725 suspension Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
- G01B11/12—Measuring arrangements characterised by the use of optical techniques for measuring diameters internal diameters
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- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
A pipe fitting measuring device and a measuring method thereof are provided, the pipe fitting measuring device comprises a frame body, the frame body comprises a fixing part, and the fixing part is used for fixing a pipe fitting to be measured; the frame body and the movable seat are arranged in a first direction, the movable seat comprises a rotating disc, the rotating disc can move in the first direction and a second direction respectively, the rotating disc can rotate by taking a rotating shaft as an axis, the rotating shaft is parallel to a third direction, and the first direction, the second direction and the third direction are mutually vertical; the positioning device can move along the third direction, a connecting line of two ends of the positioning device is a first axis, and the projection of the first axis on the rotating disk is overlapped with one radial direction of the rotating disk; and the scanning device is combined with the rotating disk, a connecting line of two ends of the scanning device is a second axis, and the projection of the second axis on the rotating disk is overlapped with the other radial direction of the rotating disk.
Description
Technical field
The present invention relates to a kind of pipe fitting measuring device and its measurement method, especially it is a kind of can to the internal perisporium of pipe fitting into
The pipe fitting measuring device and its measurement method of row pattern measurement.
Background technology
It please refers to shown in Fig. 1, is a kind of existing pipe fitting 9, which can be the sealed tube that only one end is equipped with opening 91
Body, or for both ends be equipped with opening 91 connection tube body.The internal perisporium of the pipe fitting 9 can be equipped with a features 92, this feature
Portion 92 can be groove（Such as：Circular groove slot）, flange（Such as：Ring flange）Or other are formed in the special tectonic of internal perisporium.
In general, when whether the accuracy of manufacture for being intended to detect the pipe fitting 9 meets regulation, measuring device can be utilized to the pipe
Part 9 carries out appearance detection, and for example, the Patent Case that TaiWan, China notification number is M404369 discloses a kind of caliber survey
Equipment is measured, its caliber of the semblance measure of pipe fitting can be passed through.However, relevant measuring device and can not detect inside the pipe fitting 9
Features 92 whether with subscribe specification be consistent.
On the other hand, the existing detection device that can be detected inside the pipe fitting 9 is mainly contact type scanning equipment, utilizes one
Probe stretches into 9 inside of pipe fitting and abuts its internal perisporium, and to scan this feature portion 92 by reciprocating manner, judgement according to this should
Whether features 92 are consistent with predetermined dimension.If however, when the material of the pipe fitting 9 is more fragile, exists to destroy by probe and damage
The risk ruined.Also, for the smaller pipe fitting 9 of bore, probe is easy to be limited to size and can not stretch into inside the pipe fitting 9, or
It is that can not be moved freely inside the pipe fitting 9, leads to the smaller scope of application of contact type scanning equipment.In addition, relevant contact
Formula scanning device generally requires to integrate auxiliary mechanical arm and high-resolution probe, and it is bulky and make to be easy to cause system equipment
High price is expensive.
In view of this, it is necessary to provide a kind of pipe fitting measuring devices and its measurement method further improved, in solution
The problem of existing pipe fitting 9 that portion is equipped with features 92 lacks suitable measuring device.
Invention content
To solve the above problems, the present invention provides a kind of pipe fitting measuring device and its measurement method, by be arranged sliding seat,
Positioning device and scanning means position the scanning means using the sliding seat and the positioning device, enable the scanning means
Treat the internal perisporium progress projection measurement for measuring pipe fitting.
To reach aforementioned invention purpose, the present invention with technical solution include：
A kind of pipe fitting measuring device comprising：One frame body, the frame body include a fixed part, and the fixed part is to be measured for fixing one
Pipe fitting；One sliding seat, the frame body and the sliding seat are arranged along a first direction, which includes one first sliding rail, one
Second sliding rail, a rotating disk and a third sliding rail, second sliding rail are movably incorporated into first sliding rail, which can live
It is incorporated into second sliding rail dynamicly, first sliding rail and second sliding rail are respectively along the first direction and the vertical first direction
One second direction extends, which can be using a rotary shaft as axis rotation, which is parallel to a third direction, this
Three directions are respectively perpendicular the first direction and the second direction, which combines the third sliding rail, the third sliding rail along this
Three directions extend；One positioning device, the positioning device are movably incorporated into the third sliding rail, and the company at the positioning device both ends
Line is a first axle, and the first axle is radially superposed in the projection of the rotating disk and the one of the rotating disk, and the positioning device
With a positioning end；And a scanning means, which is incorporated into the rotating disk, and the line at the scanning means both ends is
One second axis, the second axis is another radially superposed with the rotating disk in projecting for the rotating disk, and the scanning means has
There is a capture end.
Wherein, which is respectively that a junction end and the positioning end, the junction end are direct or indirect
It is incorporated into the third sliding rail, the line of the junction end and the positioning end is the first axle；Distinguish at the scanning means both ends
It is incorporated into the rotating disk for a fixation end and the capture end, the fixation end, the company of the capture end and the fixation end
Line is the second axis.Whereby, the second axis of the first axle and the scanning means of the positioning device is in the throwing of the rotating disk
Shadow is radially superposed with two of the rotating disk respectively, if therefore center of the first axle on the third direction with the measurement pipe fitting
Axis is overlapped, then the rotating disk, which is rotated, makes the second axis after the projection of the rotating disk is parallel to the first direction, this second
Axis also will be Chong Die with the central shaft of the measurement pipe fitting on the third direction.
Wherein, which is equipped with a pillar in the positioning end, which extends along the third direction.Whereby, should
Pillar can abut the internal perisporium of the pipe fitting to be measured along the third direction, therefore by dividing the rotating disk and the positioning device
It is not moved back and forth along the second direction and third direction, you can the ora terminalis is positioned with the positioning end.
Wherein, which is equipped with a height adjusting part, which is incorporated into the fixing end of the scanning means
Portion adjusts the scanning means to appropriate location thereby through the height adjusting part, to avoid the capture end of the scanning means
With the hypotelorism of the internal perisporium of the pipe fitting to be measured or too far, to ensure that the scanning means can be in the pipe fitting to be measured
Peripheral wall carries out projection measurement, or ensures that the pipe fitting measuring device of the present invention can be suitable for various sizes of pipe fitting to be measured.
Wherein, which is equipped with a motor, which is stepper motor.Whereby, when the rotating disk need to be with the rotary shaft
For one angle of axis rotation when, can have by the rotation angle of the motor control rotating disk with execution and promote pipe fitting
The effect of ease of use of measuring device.
Wherein, which is equipped with a stop part, and the rotating disk is equipped with one first block and one second block, the rotation
Disk can be rotated along one first direction of rotation, and first block is made to be connected to the stop part；The rotating disk can along with this first
The opposite one second direction of rotation rotation in direction of rotation, makes second block be connected to the stop part.Whereby, accordingly, the rotation
Disk need not be driven by stepper motor, still can rotate an angle to the rotary shaft, have and further decrease pipe fitting measuring device
Equipment cost the effect of.
Wherein, which is a bottom plate, which is equipped with a groove, which extends along the first direction.Whereby,
The pipe fitting to be measured can be placed in the groove to be supported by the fixed part, and the surface of the fixed part towards the groove can
The pipe fitting to be measured is effectively fixed, displacement is generated to avoid the pipe fitting to be measured.
Wherein, which is equipped with a locked assembly, which can abut second sliding rail, so as to by the rotation
Disk schedules second sliding rail, to prevent the rotating disk from being moved along the second direction, and then fixes the rotating disk in the second direction
On position.
Wherein, the first axle and the second axis have an angle in the projection of the rotating disk, which is 180 °,
So as to making the first axle and the second axis form coaxial line in the projection of the rotating disk.
A kind of pipe fitting measurement method can be executed by pipe fitting measuring device as described above, which includes：
One pipe fitting to be measured is fixed on to the fixed part of the frame body, a central shaft of the pipe fitting to be measured is made to be parallel to the first direction；
The rotating disk is rotated, an opening of the positioning end towards the pipe fitting to be measured of the positioning device is made, and makes the first axle
It is parallel to the first direction in the projection of the rotating disk；The rotating disk is moved along the first direction towards the pipe fitting to be measured, is made
The pipe fitting to be measured is stretched into the positioning end of the positioning device by the opening；The pipe fitting to be measured is positioned using the positioning end
An ora terminalis of the internal perisporium on the third direction, and fix the rotating disk in the position in the second direction；By the rotating disk
It is moved towards the direction far from the pipe fitting to be measured along the first direction, the positioning end of the positioning device is made to be detached from the buret to be measured
Part；The rotating disk is rotated, makes the capture end of the scanning means towards the opening of the pipe fitting to be measured, and make the second axis
It is parallel to the first direction in the projection of the rotating disk；And move the rotating disk towards the pipe fitting to be measured along the first direction,
So that the capture end of the scanning means is passed through the opening and stretch into the pipe fitting to be measured, with the scanning means to the pipe fitting to be measured
Internal perisporium carries out projection measurement.
Wherein, the ora terminalis for the pipe fitting to be measured being positioned using the positioning end includes that the rotating disk is past along the second direction
It is multiple mobile, and the positioning device is moved back and forth along the third direction, so as to positioning the buret to be measured using the positioning end
Ora terminalis of the internal perisporium of part on the third direction.
Wherein, the first axle and the second axis have an angle in the projection of the rotating disk, and rotating the rotating disk makes
The opening of the capture end of the scanning means towards the pipe fitting to be measured includes by the rotating disk using the rotary shaft as axis rotation
The angle, so as to making the second axis be parallel to the first direction in the projection of the rotating disk.
Wherein, the internal perisporium of the pipe fitting to be measured is equipped with a features, and the rotating disk is to be measured towards this along the first direction
It includes controlling the rotating disk edge that the movement of buret part, which makes the capture end of the scanning means pass through the opening to stretch into the pipe fitting to be measured,
The amount of movement of the first direction makes the capture end to the features positioned at this, so as to enabling scanning means to generate including this
The image of features.
Wherein, it includes being exported along an axial line to carry out projection measurement to the internal perisporium of the pipe fitting to be measured with the scanning means
Cover the light in this feature portion, axis parallel third direction and by the central shaft of the pipe fitting to be measured, and receive
The light that the internal perisporium of the pipe fitting to be measured is reflected.Whereby, the image which finally generates may include this feature portion,
And the image can be sentenced by the internal perisporium of the pipe fitting to be measured centered on the ora terminalis on the third direction, therefore according to the image
Whether disconnected this feature portion is consistent with predetermined dimension.
By above structure, pipe fitting measuring device and its measurement method provided by the present invention are that the scanning means being capable of edge
The axial line carries out projection measurement to the internal perisporium of the pipe fitting to be measured, and the projection measurement must only pass through image capture and analysis
It can be completed, the pipe fitting to be measured will not be destroyed, have effects that promoting pipe fitting measures practicability.Also, it is smaller for bore
Pipe fitting to be measured, can utilize with the smaller capture end of size scanning means ensure measure be smoothed out, have carry
The effect of scope of application of riser part measuring device.In addition, the pipe fitting measuring device is only by the frame body, the work that can be linearly moved
Dynamic seat and positioning device cooperation scanning means are constituted, and effectively reduce the structure complexity of pipe fitting measuring device entirety, have contracting
The effect of subtracting equipment volume and reducing equipment cost.
Description of the drawings
Fig. 1：A kind of partial sectional view of existing pipe fitting.
Fig. 2：The appearance diagram of the pipe fitting measuring device of the embodiment of the present invention.
Fig. 3：The appearance enlarged diagram of the pipe fitting measuring device of the embodiment of the present invention.
Fig. 4：The upper schematic diagram of the pipe fitting measuring device of the embodiment of the present invention.
Fig. 5：The partial schematic sectional view of the pipe fitting measuring device of the embodiment of the present invention.
Fig. 6：The positioning device of the pipe fitting measuring device of the embodiment of the present invention stretches into the action signal when pipe fitting to be measured
Figure.
Fig. 7：The positioning end abutment pipe fitting to be measured of the positioning device of the pipe fitting measuring device of the embodiment of the present invention moves
Make schematic diagram.
Fig. 8：Positioning end of the end far from pipe fitting to be measured of the positioning device of the pipe fitting measuring device of the embodiment of the present invention
The status diagram of edge.
Fig. 9：The positioning end of the positioning device of the pipe fitting measuring device of the embodiment of the present invention is positioned at pipe fitting to be measured
The status diagram of ora terminalis.
Figure 10：The rotating disk of the pipe fitting measuring device of the embodiment of the present invention is rotated the action schematic diagram of an angle.
Figure 11：The rotating disk of the pipe fitting measuring device of the embodiment of the present invention is rotated the broken section signal after an angle
Figure.
Figure 12：The scanning means of the pipe fitting measuring device of the embodiment of the present invention stretches into the action signal when pipe fitting to be measured
Figure.
Figure 13：The pipe fitting measuring device of the embodiment of the present invention treats the action for the internal perisporium progress projection measurement for measuring pipe fitting
Schematic diagram.
Figure 14：The sliding seat of the pipe fitting measuring device of the embodiment of the present invention is equipped with the appearance enlarged diagram of stop part.
Reference sign
(present invention)
1 frame body
11 fixed part, 111 groove
112 locating parts
2 sliding seat
21 first sliding rail, 22 second sliding rail
23 rotating disk, 231 locked assembly
232 motor, 233 first block
234 second block, 24 third sliding rail
25 stop parts
3 positioning devices
3a junction end 3b junction ends
31 first axle, 32 pillar
4 scanning means
4a fixes end 4b captures end
41 second axis 42 go out light inlet
43 height adjusting parts
X first direction Y second directions
Z third direction θ angles
S rotary shafts
9 pipe fittings 91 to be measured are open
92 features, 93 ora terminalis
C central shaft C1 axial lines
(prior art)
9 pipe fittings
91 92 features of opening.
Specific implementation mode
It is hereafter special according to the present invention for above and other objects, features and advantages of the invention can be clearer and more comprehensible
Preferred embodiment, and coordinate attached drawing, it is described in detail below：
It please refers to shown in Fig. 2 and Fig. 3, is the pipe fitting measuring device of one embodiment of the invention comprising a frame body 1, a sliding seat
2, a positioning device 3 and a scanning means 4, the frame body 1 and the sliding seat 2 are arranged along a first direction X, the positioning device
3 and the scanning means 4 respectively in connection in the sliding seat 2.
The frame body 1 includes a fixed part 11, and the fixed part 11 is for fixing a pipe fitting 9 to be measured.For example, in this reality
It applies in example, which is a bottom plate, which is equipped with a groove 111, which extends along first direction X,
And the groove 111 can form wedge groove.Whereby, which can be placed in the groove 111 with by the fixed part
11 supports.In addition, the fixed part 11 can be combined with a locating part 112, which abuts the pipe fitting 9 to be measured, will
The pipe fitting 9 to be measured is clamped and fastened on really in the groove 111, and the pipe fitting 9 to be measured is avoided to generate displacement.But in the present invention
In section Example, the fixture construction of the other forms such as the fixed part 11 or holder, fixture or suspension apparatus, the present invention is simultaneously
It is not limited.
The sliding seat 2 includes one first sliding rail 21, one second sliding rail 22, a rotating disk 23 and a third sliding rail 24, this
Two sliding rails 22 are movably incorporated into first sliding rail 21, which is movably incorporated into second sliding rail 22.Wherein,
The second direction Y of first sliding rail 21 and second sliding rail 22 respectively along first direction X and vertical first direction X prolongs
It stretches.For example, in the present embodiment, which extends along first direction X, and second sliding rail 22 is along the second party
Extend to Y.Whereby, which can move along first direction X relative to first sliding rail 21, which can
Moved relative to second sliding rail 22 along second direction Y so that the rotating disk 23 substantially can respectively in first direction X and
It is moved on second direction Y.But in section Example of the present invention, which can extend along second direction Y,
Second sliding rail 22 then extends along first direction X, can equally enable the rotating disk 23 respectively first direction X and this
Two direction Y are moved, therefore the present invention is not limited thereto.
The rotating disk 23 is located in the plane that first direction X and second direction Y are constituted, which can be with
One rotary shaft S is axis rotation, and rotary shaft S is parallel to a third direction Z, and third direction Z is respectively perpendicular first direction X
And second direction Y.The rotating disk 23 combines the third sliding rail 24, the third sliding rail 24 to extend along third direction Z.
The positioning device 3 is movably incorporated into the third sliding rail 24.Whereby, which can be along the third party
It is moved to Z relative to the third sliding rail 24.3 both ends of positioning device are respectively the positioning end 3b of a junction end 3a and one, the knot
It closes end 3a and is directly or indirectly incorporated into the third sliding rail 24, the line of junction end 3a and positioning end 3b is one first
Axis 31, the first axle 31 are radially superposed in the projection of the rotating disk 23 and the one of the rotating disk 23；In other words, the first axle
Line 31 can extend through rotary shaft S in the projection of the rotating disk 23.
The scanning means 4 is incorporated into the rotating disk 3.4 both ends of scanning means are respectively a fixation end 4a and a capture
End 4b, fixation end 4a are incorporated into the rotating disk 3, and the line of the capture end 4b and fixation end 4a is one second axis
Line 41, the second axis 41 are another radially superposed with the rotating disk 23 in projecting for the rotating disk 23；In other words, second axis
Line 41 can also extend through rotary shaft S in the projection of the rotating disk 23.The scanning means 4 can be by a light source（Such as：Thunder
Penetrate light source）Generated light is exported by capture end 4b, to irradiate a determinand（Such as aforementioned pipe fitting 9 to be measured）, then by
Capture end 4b receives the light that the determinand is reflected, to carry out projection measurement to the determinand.The similar scanning fills
Set 4 embodiment, it has been disclosed that in the 201544067th patent application case of TaiWan, China Publication No..
Shown in Fig. 4, the first axle 31 and the second axis 41 have one in the projection of the rotating disk 23
Angle theta.In the present embodiment, which can be 180 °.Therefore, the first axle 31 and the second axis 41 are in the rotation
The projection of disk 23 forms coaxial line.But the present invention is not limited thereto, which only needs to make the positioning more than a predetermined angular
Device 3 and the scanning means 4 will not interfere with each other, i.e., do not influence the running of the pipe fitting measuring device of the embodiment of the present invention.
The pipe fitting measurement method of one embodiment of the invention can be executed by the pipe fitting measuring device of above-described embodiment, be please referred to
Shown in Fig. 2 and Fig. 5, a pipe fitting 9 to be measured is fixed on to the fixed part 11 of the frame body 1 first, in make the pipe fitting 9 to be measured one
Mandrel C is parallel to first direction X.Wherein, which can be the closed tube that only one end is equipped with opening, or
The connection tube body of opening is equipped with for both ends.The frame body 1 and the first sliding rail 21 of the sliding seat 2 are set along first direction X arrangements
It sets, therefore an opening 91 of the pipe fitting 9 to be measured can prolong first direction X towards the sliding seat 2.The rotating disk 23 can be with
Rotary shaft S is axis rotation, and the first axle 31 of the positioning device 3 in the rotating disk 23 projection with the rotating disk 23
One is radially superposed, therefore by rotating the rotating disk 23, and the positioning end 3b of the positioning device 3 can be made towards the pipe fitting to be measured
9 opening 91, and the first axle 31 is made to be parallel to first direction X in the projection of the rotating disk 23.
It please refers to shown in Fig. 6, which is moved along first direction X towards the pipe fitting 9 to be measured, the positioning is made to fill
The positioning end 3b for setting 3 stretches into the pipe fitting 9 to be measured by the opening 91.It please refers to shown in Fig. 7, Fig. 8 and Fig. 9, by should
Rotating disk 23 moves back and forth the positioning device 3 along second direction Y, and is moved back and forth along third direction Z, can utilize
Positioning end 3b positions an ora terminalis 93 of the internal perisporium of the pipe fitting 9 to be measured on third direction Z.In detail, for side
Just illustrate, third direction Z can be a plummet direction, therefore the ora terminalis 93 can be the one of the internal perisporium of the pipe fitting 9 to be measured
Root edge, but the present invention is not limited thereto, and in the present embodiment, it is convex which can be equipped with one in positioning end 3b
Column 32, the pillar 32 can downward extend along third direction Z.As shown in figure 8, the positioning device 3 can be by along the third party
It is moved downward to Z, so that the pillar 32 is abutted the internal perisporium of the pipe fitting 9 to be measured, then, by the rotating disk 23 along the second direction
Y is moved back and forth, if the positioning device 3 is forced to be moved upwardly by, positioning end 3b is just being waited for far from this when representative is moved towards the direction
Measure the ora terminalis 93 of pipe fitting 9；If conversely, the positioning device 3 need to movement downward the pillar 32 can be made to maintain to abut this is to be measured
The internal perisporium of pipe fitting 9 represents when being moved towards the direction positioning end 3b just close to the ora terminalis 93.Accordingly, as shown in figure 9,
By the way that the rotating disk 23 and the positioning device 3 are moved back and forth along second direction Y and third direction Z respectively, you can fixed with this
Position end 3b positions the ora terminalis 93.
After positioning the ora terminalis 93 of the pipe fitting 9 to be measured on third direction Z with positioning end 3b, the rotating disk is fixed
23 in the position on second direction Y.For example, it please refers to shown in Fig. 2, in the present embodiment, which can set
There is a locked assembly 231, which can abut second sliding rail 22, therefore can be incited somebody to action by the locked assembly 231
The rotating disk 23 is fixed on second sliding rail 22, to prevent the rotating disk 23 from being moved along second direction Y, and then fixes the rotation
Disk 23 is in the position on second direction Y.By the rotating disk 23 along first direction X towards the direction far from the pipe fitting 9 to be measured
It is mobile, so that the positioning end 3b of the positioning device 3 is detached from the pipe fitting 9 to be measured.Then, it please refers to shown in Figure 10 and Figure 11,
Know the positioning device 3 first axle 31 and the scanning means 4 second axis 41 in the rotating disk 23 projection respectively with this
Two of rotating disk 23 are radially superposed, and the first axle 31 and the second axis 41 have the folder in the projection of the rotating disk 23
Angle θ, therefore by the rotating disk 23 using rotary shaft S as the axis rotation angle theta, you can make the capture end of the scanning means 4
4b towards the pipe fitting 9 to be measured opening 91, and make the second axis 41 in the projection of the rotating disk 23 be parallel to this first
Direction X.
It please refers to shown in Figure 12, which is moved along first direction X towards the pipe fitting 9 to be measured, the scanning is made
The capture end 4b of device 4 stretches into the pipe fitting 9 to be measured by the opening 91.Wherein, the rotating disk 23 is controlled along the first party
To the amount of movement of X, capture end 4b can be adjusted and stretch into the depth of the pipe fitting 9 to be measured, and then enable capture end 4b
Enough to the features 92 on the internal perisporium of the pipe fitting 9 to be measured.In the present embodiment, which can take at this
As end 4b goes out light inlet 42 equipped with one, this goes out internal perisporium of the light inlet 42 for export light to irradiate the pipe fitting 9 to be measured,
And the light that the internal perisporium for receiving the pipe fitting 9 to be measured is reflected.
It is worth noting that, the aforementioned positioning end 3b using the positioning device 3 position the pipe fitting 9 to be measured this
In 93 step of ora terminalis on three direction Z, positioning end 3b is located in the ora terminalis 93, and the first axle 31 is in the rotating disk 23
Projection be parallel to first direction X；In other words, the first axle 31 of the positioning device 3 will on third direction Z with the survey
The central shaft C overlappings of buret part 9.Since the rotating disk 23 is fixed in the position on second direction Y, the rotating disk 23 is with this
Rotary shaft S is that axle center is rotated the angle theta, and the second axis 41 of the scanning means 4 is made to be parallel in the projection of the rotating disk 23
After first direction X, which also will be Chong Die with the central shaft C of the measurement pipe fitting 9 on third direction Z.Accordingly,
It please refers to shown in Figure 13, which can carry out projection measurement along an axial line C1 to the internal perisporium of the pipe fitting 9 to be measured,
The parallel third direction Z of axial line C1 and pass through the central shaft C of the pipe fitting 9 to be measured.In detail, the scanning means 4 is by this
Capture end 4b's goes out 42 output light of light inlet, and the light covers the features 92 on the internal perisporium of the pipe fitting 9 to be measured,
And the light that the internal perisporium for receiving the pipe fitting 9 to be measured is reflected.
In more detail, which can go out one linear laser light of the output of light inlet 42 by capture end 4b, should
Linear laser light can scan and cover the features 92 on the internal perisporium of the pipe fitting 9 to be measured, which can be opposite
Axial line C1 is in symmetrical.Wherein, the scanning means 4 by this go out light inlet 42 receive the pipe fitting 9 to be measured internal perisporium institute it is anti-
After the light penetrated, a photosensory assembly can be passed through（Figure is not painted）The intensity of reflection light is sensed, and passes through an arithmetic element
（Figure is not painted）Capture the depth information image or range image of the internal perisporium of the pipe fitting 9 to be measured of determinand.Accordingly, this is swept
Imaging apparatus 4 can carry out projection measurement along axial line C1 to the internal perisporium of the pipe fitting 9 to be measured.The photosensory assembly can be
For charge coupled device (Charge Coupled Device, CCD) video camera or complementary metal oxide semiconductor
(Complementary Metal-Oxide Semiconductor, CMOS) video camera etc..The arithmetic element can be analyzed
Light intensity characteristic point in picture captured by the photosensory assembly（That is the most bright position of light, usually per a line or each row
Most bright picture element position, and can in be inserted to sub-picture element）, by triangle geometric operation, (or what is corrected in advance reflects the light intensity characteristic point
As data) after can calculate the position relationship of a light and the scanning means 4 in space.In addition, in the present embodiment, leading to
It can be laser light to cross the light for light inlet 42, and the limited arteries and veins of Remez FIR filter is utilized in the laser light intensity characteristic point
Punching response filtering mode carries out laser light intensity characteristic with the Forest zero computational methods (zero-crossing point) proposed
Point value captures and filters internal difference value compensation calculation, can effectively promote the resolution ratio of projection measurement.
The image that the scanning means 4 finally generates includes this feature portion 92, therefore can judge this feature according to the image
Whether portion 92 is consistent with predetermined dimension.For example, in the present embodiment, this feature portion 92 can be a circular groove slot, therefore logical
Crossing the picture of the scanning means 4 generation can analyze whether the parameters such as the concordant degree in width, depth, edge of the circular groove slot accord with
Close predetermined dimension, whether the accuracy of manufacture to detect the pipe fitting 9 meets regulation, or for judge the pipe fitting to be measured 9 whether be
Non-defective unit.
It is deposited it follows that comparing contact probe used in the existing contact type scanning equipment that can be detected inside pipe fitting 9
In the risk for destroying pipe fitting 9, the pipe fitting measuring device of the embodiment of the present invention and its scanning means 4 of measurement method need not contacts one
Pipe fitting 9 to be measured, it is only necessary to the features 92 on the internal perisporium of the pipe fitting 9 to be measured can be carried out by image capture and analysis
Projection measurement, therefore the pipe fitting 9 to be measured will not be destroyed, have effects that promoting pipe fitting 9 measures practicability.
Also, the pipe fitting measuring device and its measurement method of the embodiment of the present invention are only needed the capture end of a scanning means 4
Portion 4b, which stretches into the pipe fitting 9 to be measured, can carry out projection measurement, and the capture end 4b, which only needs this is arranged, to be gone out light inlet 42 and use
With simple structures such as the speculums that changes opticpath, therefore for the smaller pipe fitting to be measured 9 of bore, can utilize has size
The scanning means 4 of smaller capture end 4b, which ensures to measure, to be smoothed out.The probe for comparing existing contact type scanning equipment is easy
It is limited to size and can not stretch into inside the pipe fitting 9, the present invention has effects that promote the scope of application of pipe fitting measuring device.
It needs to integrate auxiliary mechanical arm and high-resolution probe, the present invention in addition, comparing existing contact type scanning equipment
Scanning means 4 is constituted the pipe fitting measuring device of embodiment only with sliding seat 2, and it is whole can effectively to reduce pipe fitting measuring device
Structure complexity, have effects that reduce equipment volume and reduce equipment cost.
Based on above-mentioned technological concept, the characteristics of being exemplified below the pipe fitting measuring device and its measurement method of the embodiment of the present invention
And it is described in detail：
It please refers to shown in Fig. 2 and Fig. 3, in the present embodiment, the first sliding rail 21, the second sliding rail 22 and the third of the sliding seat 2 are slided
Rail 24 can be track construction so that second sliding rail 22 can along first direction X with respect to 21 linear movement of the first sliding rail,
Enable the rotating disk 23 along second direction Y with respect to 22 linear movement of the second sliding rail, and enables the positioning device 3 along this
Third direction Z is with respect to 24 linear movement of third sliding rail.
The present invention is not limited thereto drives second sliding rail 22 relative to first sliding rail 21 movement, drives the rotating disk 23
The mechanism for being moved relative to second sliding rail 22 or the positioning device 3 being driven to be moved relative to the third sliding rail 24.But for phase homotype
Number pipe fitting to be measured 9 for, it is usually certain value that capture end 4b, which need to stretch into the depth of the pipe fitting 9 to be measured,；In other words,
The amount of movement when rotating disk 23 detects each pipe fitting 9 to be measured along first direction X can be fixed, therefore, in portion of the present invention
Divide in embodiment, which can be by a gas static pressure transmission mechanism to be moved relative to first sliding rail 21, and the gas is quiet
Press transmission mechanism have high reproducibility with quickly positioning etc. characteristics, can be promoted the embodiment of the present invention pipe fitting measuring device and
The detection efficiency of its measurement method.
It please refers to shown in Fig. 7, Fig. 8 and Fig. 9, as previously mentioned, in the present embodiment, which can be in the positioning
Pillar 32 set by the 3b of end can downward extend along third direction Z, thus by by the positioning device 3 along the third party
It is moved downward to Z, the pillar 32 can be made to abut the internal perisporium of the pipe fitting 9 to be measured；But can also design makes the pillar 32 along this
Third direction Z extends upward, therefore by the way that the positioning device 3 to be moved upwardly by along third direction Z, the pillar 32 can also supported
Connect the internal perisporium of the pipe fitting 9 to be measured.Alternatively, in section Example of the present invention, positioning end 3b can need not be arranged should
Pillar 32, relatively, the positioning device 3 can downward or upward be tilted by junction end 3a towards positioning end 3b, whereby,
By the way that the positioning device 3 downward or to be moved upwardly by along third direction Z, positioning end 3b can still be made to abut the buret to be measured
The internal perisporium of part 9.
It please refers to shown in Figure 11, in the present embodiment, which is also provided with a height adjusting part 43, the height
Degree adjustment section 43 can be incorporated into the fixation end 4a of the scanning means 4.Whereby, which fixes for adjusting this
End 4a is with the rotating disk 23 in the spacing on third direction Z.Whereby, it please refers to shown in Figure 12, if the scanning means 4 takes
It, can be by the height adjusting part 43 by the scanning as the hypotelorism or too far of end 4b and the internal perisporium of the pipe fitting 9 to be measured
Device 4 is adjusted to appropriate location, to ensure that the scanning means 4 can carry out projection measurement to the internal perisporium of the pipe fitting 9 to be measured.
Also, the height adjusting part 43 also is available for user and corresponds to the position that various sizes of pipe fitting to be measured 9 adjusts the scanning means 4
It sets, to ensure that the pipe fitting measuring device of the embodiment of the present invention can be suitable for various sizes of pipe fitting 9 to be measured.
In the present embodiment, which can be equipped with a motor 232, to be driven by the motor 232 with the rotation
Axis S is axis rotation.The motor 232 can be stepper motor（step motor）Etc. the controllable rotation of rotation angles drive structure
It makes, whereby, when the rotating disk 23 need to be using rotary shaft S as the axis rotation angle theta, the rotation can be controlled by the motor 232
The rotation angle of turntable 23 has the work(of the ease of use for the pipe fitting measuring device for promoting the embodiment of the present invention with execution
Effect.
Alternatively, please referring to shown in Figure 14, in section Example of the present invention, which is not arranged rotation driving structure
It makes or set rotary drive construction can not accurately control rotation angle, accordingly, which can be equipped with a stop part
25, and the rotating disk 23 is also provided with one first block 233 and one second block 234.Wherein, which can be along one
First direction of rotation（Such as：Clockwise）Rotation, makes first block 233 be connected to the stop part 25, at this time the positioning
The first axle 31 of device 3 will be parallel to first direction X in the projection of the rotating disk 23；Relatively, which can be with
Along one second direction of rotation opposite with first direction of rotation（Such as：Counterclockwise）Rotation, makes second block 234 support
It is connected to the stop part 25, the second axis 41 of the scanning means 4 will be parallel to the first party in the projection of the rotating disk 23 at this time
To X.Accordingly, which need not be driven by stepper motor, still can have the rotary shaft turn S angle theta into one
Step reduces the effect of equipment cost of the pipe fitting measuring device of the embodiment of the present invention.
In conclusion the present invention respectively apply example pipe fitting measuring device and its measurement method by being arranged, the sliding seat 2, this is fixed
Position device 3 and the scanning means 4 position the scanning means 4 using the sliding seat 2 and the positioning device 3, make the scanning means
4 can carry out projection measurement along axial line C1 to the internal perisporium of the pipe fitting 9 to be measured, and the projection measurement must only pass through image
It captures and analysis can be completed, the pipe fitting 9 to be measured will not be destroyed, have effects that promoting pipe fitting 9 measures practicability really.
Also, the pipe fitting measuring device and its measurement method of the embodiment of the present invention are only needed the capture end of a scanning means 4
Portion 4b, which stretches into the pipe fitting 9 to be measured, can carry out projection measurement, therefore for the smaller pipe fitting to be measured 9 of bore, tool can be utilized
The scanning means 4 for the capture end 4b for having size smaller, which ensures to measure, to be smoothed out, and is had really and is promoted pipe fitting measuring device
The effect of scope of application.In addition to this, the pipe fitting measuring device of the embodiment of the present invention only by the frame body 1, can be linearly moved
Sliding seat 2 and the positioning device 3 cooperation scanning means 4 are constituted, and can effectively reduce the complicated of pipe fitting measuring device entirety
Degree has effects that reduce equipment volume and reduces equipment cost really.
Although the present invention is disclosed using above-mentioned preferred embodiment, it is not limited to the present invention, it is any to be familiar with this skill
Skill person is not departing within the spirit and scope of the present invention, and opposite above-described embodiment carries out various changes and still belongs to the present invention with modification
The technical scope protected, therefore protection scope of the present invention should be subject to claims and be defined.
Claims (14)
1. a kind of pipe fitting measuring device, which is characterized in that including：
One frame body, the frame body include a fixed part, and the fixed part is for fixing a pipe fitting to be measured；
One sliding seat, the frame body and the sliding seat are arranged along a first direction, which includes one first cunning
Rail, second sliding rail, a rotating disk and a third sliding rail, second sliding rail are movably incorporated into first sliding rail,
The rotating disk is movably incorporated into second sliding rail, and first sliding rail and second sliding rail are respectively along the first direction and vertical
One second direction of the first direction extends, which can be using a rotary shaft as axis rotation, and the rotary shaft is parallel
In a third direction, which is respectively perpendicular the first direction and the second direction, which slides in conjunction with the third
Rail, the third sliding rail extend along the third direction；
One positioning device, which is movably incorporated into the third sliding rail, and the line at the positioning device both ends is
One first axle, the first axle is radially superposed in the projection of the rotating disk and one of the rotating disk, and the positioning device
There are one position end for tool；And
One scanning means, which is incorporated into the rotating disk, and the line at the scanning means both ends is second axis
Line, the second axis in the rotating disk projection and the rotating disk another is radially superposed, and there are one the scanning means has
Capture end.
2. pipe fitting measuring device as described in claim 1, which is characterized in that the positioning device both ends are respectively a binding end
Portion and the positioning end, the junction end are directly or indirectly incorporated into the third sliding rail, the junction end and the positioning end
Line is the first axle；The scanning means both ends are respectively a fixed end and the capture end, which combines
In the rotating disk, the line of the capture end and the fixation end is the second axis.
3. pipe fitting measuring device as claimed in claim 2, which is characterized in that the positioning device is equipped with one in the positioning end
Pillar, the pillar extend along the third direction.
4. pipe fitting measuring device as described in claim 1, which is characterized in that the scanning means is set there are one height adjusting part,
The height adjusting part is incorporated into the fixation end of the scanning means.
5. pipe fitting measuring device as described in claim 1, which is characterized in that the rotating disk is set there are one motor, which is
Stepper motor.
6. pipe fitting measuring device as described in claim 1, which is characterized in that the sliding seat is set there are one stop part, and the rotation
Turntable is set there are one the first block and second block, which can rotate along first direction of rotation, make this
One block is connected to the stop part；The rotating disk can turn along second direction of rotation opposite with first direction of rotation
It is dynamic, so that second block is connected to the stop part.
7. pipe fitting measuring device as described in claim 1, which is characterized in that the fixed part is a bottom plate, which sets
There are one groove, which extends along the first direction.
8. pipe fitting measuring device as described in claim 1, which is characterized in that the rotating disk is set there are one locked assembly, the lock
Gu component can abut second sliding rail.
9. pipe fitting measuring device as described in claim 1, which is characterized in that the first axle and the second axis are in the rotation
There are one angles for the projection tool of disk, which is 180 °.
10. a kind of pipe fitting measurement method can pass through the pipe fitting measuring device as described in claim 1,2,3,4,5,6,7 or 8
It executes, which is characterized in that the pipe fitting measurement method includes：
One pipe fitting to be measured is fixed on to the fixed part of the frame body, make a central shaft of the pipe fitting to be measured be parallel to this
One direction；
Rotate the rotating disk, make the positioning end of the positioning device towards one of the pipe fitting to be measured opening, and make this
One axis is parallel to the first direction in the projection of the rotating disk；
The rotating disk is moved along the first direction towards the pipe fitting to be measured, the positioning end of the positioning device is made to pass through the opening
Stretch into the pipe fitting to be measured；
An ora terminalis of the internal perisporium of the pipe fitting to be measured on the third direction is positioned using the positioning end, and fixes the rotation
Turntable is in the position in the second direction；
The rotating disk is moved along the first direction towards the direction far from the pipe fitting to be measured, the positioning end of the positioning device is made
It is detached from the pipe fitting to be measured；
The rotating disk is rotated, makes the capture end of the scanning means towards the opening of the pipe fitting to be measured, and makes second axis
Line is parallel to the first direction in the projection of the rotating disk；And
The rotating disk is moved along the first direction towards the pipe fitting to be measured, the capture end of the scanning means is made to pass through the opening
The pipe fitting to be measured is stretched into, projection measurement is carried out to the internal perisporium of the pipe fitting to be measured with the scanning means.
11. pipe fitting measurement method as claimed in claim 10, which is characterized in that position the buret to be measured using the positioning end
The ora terminalis of part includes moving back and forth the rotating disk along the second direction, and the positioning device is back and forth moved along the third direction
It is dynamic.
12. pipe fitting measurement method as claimed in claim 10, which is characterized in that the first axle and the second axis are in the rotation
There are one angles for the projection tool of turntable, and rotating the rotating disk makes capture end the opening towards the pipe fitting to be measured of the scanning means
Mouth includes by the rotating disk using the rotary shaft as the axis rotation angle.
13. pipe fitting measurement method as claimed in claim 10, which is characterized in that there are one the internal perisporium of the pipe fitting to be measured is set
Features, which, which is moved towards the pipe fitting to be measured along the first direction, which makes the capture end of the scanning means pass through this, opens
Mouth stretch into the pipe fitting to be measured include control the rotating disk along the first direction amount of movement, make the capture end to positioned at this
Features.
14. pipe fitting measurement method as claimed in claim 13, which is characterized in that with the scanning means to the pipe fitting to be measured
It includes the light for covering this feature portion along an axial line output, the axis parallel third party that internal perisporium, which carries out projection measurement,
To and by the pipe fitting to be measured central shaft, and the light that the internal perisporium for receiving the pipe fitting to be measured is reflected.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105141272A TWI617786B (en) | 2016-12-13 | 2016-12-13 | Pipe measuring apparatus and measuring method thereof |
| TW105141272 | 2016-12-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108613631A true CN108613631A (en) | 2018-10-02 |
| CN108613631B CN108613631B (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710537517.8A Active CN108613631B (en) | 2016-12-13 | 2017-07-04 | Pipe fitting measuring device and measuring method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108613631B (en) |
| TW (1) | TWI617786B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764818A (en) * | 2019-03-05 | 2019-05-17 | 佛山市南海区广工大数控装备协同创新研究院 | A kind of stereoplasm tube automatic detection device |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI617786B (en) | 2018-03-11 |
| CN108613631B (en) | 2020-02-11 |
| TW201821761A (en) | 2018-06-16 |
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