CN207300172U - Irregular hole circumferential measurements and the detection device of girth and diameter - Google Patents
Irregular hole circumferential measurements and the detection device of girth and diameter Download PDFInfo
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- CN207300172U CN207300172U CN201720963005.3U CN201720963005U CN207300172U CN 207300172 U CN207300172 U CN 207300172U CN 201720963005 U CN201720963005 U CN 201720963005U CN 207300172 U CN207300172 U CN 207300172U
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- gauge head
- rotary table
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- 238000005259 measurement Methods 0.000 title claims abstract description 45
- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 230000001788 irregular Effects 0.000 title claims abstract description 15
- 238000006073 displacement reaction Methods 0.000 claims abstract description 64
- 230000001360 synchronised effect Effects 0.000 claims abstract description 8
- 238000002955 isolation Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 206010054949 Metaplasia Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
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Abstract
It the utility model is related to a kind of irregular hole circumferential measurements and the detection device of girth and diameter, it is characterised in that：Positioning fixture is housed, on rotary table, contact measurement is measurement end on workbench：Put the workpiece in positioning fixture first to clamp, the slider cylinder on rotary table promotes gauge head stent to make gauge head be in contact with measurement surface, and servo-drive system driving turntable rotates, and Circular gratings and displacement sensor synchronous acquisition, non-cpntact measurement are：Positioning fixture clamping is put the workpiece in first, in the range ability for the laser displacement sensor being ensured of on rotary table, servo-drive system driving turntable rotates, Circular gratings and displacement sensor synchronous acquisition, data are transmitted to data processing and display system by data acquisition and communication system, solve the problem of the detection of small irregular hole circumferential measurements and girth and diameter；In measurement process, workpiece is motionless, and gauge head does measurement movement, reduces the measurement error that workpiece installation brings algorithm and movement.
Description
Technical field
A kind of irregular hole circumferential measurements and the detection device of girth and diameter are the utility model is related to, more particularly to one
Kind is either not easy the hole detected such as to the detection method of tangible variable orifice：The girth of small splined hole and the detection method of diameter, belong to
In field of precision measurement.
Background technology
Current automobile clutch gear ring is thin-wall part, is also heat-treated before assembly, and aperture becomes irregular, and
Clutch gear ring is assembled using the method for hot pressing, ensures that clutch gear ring endoporus is assembled with axis gapless, clutch gear ring tooth
The correct of parameter is taken turns, so the measuring method in clutch gear ring true hole footpath is the topic not solved.The diameter in irregular hole is in circumference
Each position is different, ensures that gear parameter is correct for being deformed after being heat-treated as clutch gear ring, after hot pressing, again
As soon as ensure level pressure amount, now without good diameter measurement means.No matter and the present odd number of fine module gear endoporus or even number
All it is to be measured with go-no go gauge, go-no go gauge measurement is a kind of traditional observational measurement, it simply judges whether product is qualified,
And the specific deviation of product cannot be provided, it is impossible to production is constantly monitored, ensures product quality idealization production, to now
Product quality requires also higher and higher, machine-building levels convergence intelligence now, as long as providing process of producing product
Specific deviation, mechanical equipment can be compensated automatically.This is that go-no go gauge measurement can not be realized.
The content of the invention
The purpose of this utility model is to provide a kind of irregular hole circumferential measurements and the detection device of girth and diameter, energy
It is enough quickly to measure the irregular hole caused by deformation, and according to actual specific environment situation such as interference such as flue dust, grease, light
Situation is determined to use contact measurement, contact measurement can be carried out by using gauge head or is carried out using laser displacement sensor non-contact
Measure to realize accurate measurement, there is provided intelligent, unmanned measuring table, and combined with manipulator to realize unmanned metaplasia
Production, can measure precision in several seconds to tens seconds according to actual requirement when being measured to clutch gear ring and be arrived 0.01
0.001mm diameters；And precision can be measured in tens seconds to fine module gear endoporus and arrive 0.001mm diameters 0.01.
What the technical solution of the utility model was realized in：A kind of detection device of irregular hole girth and diameter, by
Lathe bed, rotary table, slider cylinder, displacement sensor, Circular gratings, gauge head stent, gauge head, displacement adjusting bracket, servo system
System, work piece holder composition；It is characterized in that：It is connected between lathe bed and ground using vibrating isolation foundation with ground, lathe bed center, which is fixed, to be connected
Rotary axis, the lower end connection servo-drive system of rotary axis are connected to, the upper end of rotary axis is fixedly connected with rotary table, circle
Grating is sleeved on rotary axis between lathe bed and rotary table, and slider cylinder is fixedly connected with rotary table, work
Part fixture is fixed on lathe bed, and workpiece to be measured is placed on work piece holder, and gauge head stent is fixed in slider cylinder, gauge head position
In the front end of gauge head stent, displacement adjusting bracket is fixedly connected on gauge head stent, and displacement sensor 4 is fixed on rotary work
Platform, displacement adjusting bracket are located at the displacement that displacement sensor side is used to adjust displacement sensor, and displacement adjusting bracket is L
Type, long side are fixed on gauge head stent, and short side is withstood on the contact of displacement sensor, the movement of displacement adjusting bracket and slider cylinder
Direction is synchronous.
Laser displacement sensor is directly fixedly connected with the rotary table and carries out non-cpntact measurement.
The good effect of the utility model is that precision can be measured in tens seconds in 0.001mm diameters；Its measurement accuracy
Height, now a lot of manufacturers produce when using class Three 24 small, and labor strength is big, and traditional cubing can not be accurate
Measurement, even more by the ability of workpiece packet, and the present invention realizes manless production each production line and can save 4 and arrives
6 workers, there is provided intelligent measuring, with industrial personal computer and manipulator be combined can will measurement workpiece numerical value preserve, packet, ensure most
Good assembling effect, is the means for realizing industry 2025 and industry 4.0；Using polar coordinate measurement end（Gauge head or laser displacement sensing
Device）Rotation is with being measured end（Workpiece）Rotation error analyzes comparison
1st, measurement end（Gauge head or laser displacement sensor）Rotation, angle change are identical, corresponding radius and seek phase
Adjacent two radius average conveniently can verify that, be measured end（Workpiece）Rotating dress changes to " measurement end（Gauge head or laser displacement sensing
Device）" adjacent angular is the corresponding radius of change and to seek adjacent two radius average be to be inconvenient to can verify that.Such as O points in Fig. 4
It is measurement end（Gauge head or laser displacement sensor）Pivot.O1 points are to be measured end（Workpiece）Pivot.
2nd, between the product aperture that we measure is 200mm to 600mm, it is measured end（Workpiece）Quality is big, workpiece barycenter
Generation centrifugal force different with pivot, cause measurement error.
3rd, it is measured end（Workpiece）Diameter is big, if workpiece rotates, rotary table diameter must be big, and cost is high.
Brief description of the drawings
The structure diagram of Fig. 1 the utility model.
Fig. 2 is the top view of the utility model.
Fig. 3 is the partial enlarged view of the utility model.
Fig. 4 is the structure diagram of the detection Workpiece standard clutch gear ring of the utility model.
Fig. 5 is the structure chart of the detection fine module gear workpiece of the utility model.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings:As shown in Figs. 1-3, a kind of irregular hole girth and
The detection device of diameter, by lathe bed 1, rotary table 2, slider cylinder 3, displacement sensor 4, Circular gratings 5, gauge head stent 6, survey
First 7, displacement adjusting bracket 8, servo-drive system 9, work piece holder 10 form；It is characterized in that：Between lathe bed 1 and ground using vibration isolation
Base is connected with ground, and 1 center of lathe bed is fixedly connected with rotary axis, the lower end connection servo-drive system 9 of rotary axis, rotary axis
Upper end be fixedly connected with rotary table 2, Circular gratings 5 be sleeved on rotary axis positioned at lathe bed 1 and rotary table 2 it
Between, slider cylinder 3 is fixedly connected with rotary table 2, and work piece holder 11 is fixed on lathe bed 1, and workpiece to be measured is placed on work
On part fixture 11, gauge head stent 6 is fixed in slider cylinder 3, and gauge head 7 is located at the front end of gauge head stent 6, and displacement adjusting bracket 8 is solid
Surely it is connected on gauge head stent 6, displacement sensor 4 is fixed on rotary table 2, and displacement adjusting bracket 8 is located at displacement sensor 4
Side is used for the displacement for adjusting displacement sensor 4, and displacement adjusting bracket 8 is L-type, and long side is fixed on gauge head stent 6, short side top
On the contact of displacement sensor 4, displacement adjusting bracket 8 is synchronous with the direction of motion of slider cylinder 3.
Laser displacement sensor 7 is directly fixedly connected with the rotary table 2 and carries out non-cpntact measurement.
As shown in figure 4, contact measurement is selected according to environment and clutch gear ring；
1）Measuring system parameter is demarcated using standard component first, work piece holder 10 and manipulator are adjusted, by clutch
Device gear ring standard component 11 is put on measurement station, and gauge head stent 6 is pulled to measurement position, gauge head and detection on gauge head stent 6
Hole wall is in contact, and adjustment displacement adjusting bracket 8 makes the short side on displacement adjusting bracket 8 make after being contacted with displacement sensor 4 at its
In in useful range, rotary table 2 is rotated by 5 acquisition angle of Circular gratings measurement, passes through 4 synchronous acquisition of the displacement sensor angle
Radius vector, or can directly be measured with manipulator clamping workpiece 11 and with laser displacement sensor 7；
2）System sends instructions, and rotary table 2 rotates, same by Circular gratings 5, displacement sensor 4 or laser displacement sensor 7
Step collection measurement data；And after by displacement sensor 4 or laser displacement sensor 7 are synchronous obtaining angular metric and half mass runoff, according to
Curve split it is infinitely small be exactly straight line principle, be the π R of L=2 by standard circumference formula, for irregular roundness at different angles
It is different to spend radius, fillet degree 360 is divided into n parts i.e. 2 π/n, girth formula is L={ (R1+R2)/2}×2π/n+{(R2+
R3)/2}×2π/n+……{(Rn+R1)/2}×2π/n={[(R1+R2) +(R2+R3) +……(Rn+R1)]/2}×2π/n=
{[2R1+2R2+2R3+……2Rn] /2}×2π/n= [R1+R2+R3+……Rn] × 2 π/n, when small circumference is got in the segmentation of fillet degree
Length is more accurate.It is D={ [R that diameter formula is sought after known circumferential length1+R2+R3+……Rn] ×2π/n}/π=2×[R1+R2+R3
+……Rn]/n；R in formula1、 R2... .. Rn representatives are meant that is divided into n parts of angles, R for 360 degree by circumference1What is represented contains
Justice is in 360/n degree arc angle positions to the radius of pivot, R2Representative is meant that in 2 × 360/n degree arc angles
Position is to the radius of pivot, RnRepresentative is meant that 360（n×360/n）Pivot is arrived in degree arc angle position
Radius；
3）Be delivered to data acquisition and communication system 8 after measurement data is calculated by above formula, data acquisition and
Communication system 8 obtains hole girth after being handled and diameter dimension is shown in data processing and display system 10 as detection mark
Quasi- numerical value；1 ° of collection Radius every to a gear ring hole measuring angle, according to the form below are acquired,
Diameter be D=（R0+……+R359）×2/360=（126.017+……+126.0737）×2/360
4）Gauge head stent 6, displacement sensor 4 or laser displacement sensor 7 are placed in initial point by slider cylinder 3 after measurement,
Standard component is removed, starts to measure workpiece；
5）Manipulator is put on work piece holder 10 after the clutch gear ring workpiece 11 on carrier chain is taken, work piece holder 10
Clutch gear ring workpiece 11 is clamped；Slider cylinder 3 drives gauge head and 11 measured hole of clutch gear ring workpiece on gauge head stent 6
Face is in contact, while adjusting displacement adjusting bracket 8 makes the short side on displacement adjusting bracket 8 make it after being contacted with displacement sensor 4
In useful range, at this moment servo-drive system 9 and rotary table 2 start to rotate, and the displacement being fixed on rotary table 2 passes
The gauge head on gauge head stent 6 that sensor 4 and slider cylinder 3 drive is in rotation process because of the change of 11 radius of clutch gear ring workpiece
Change, displacement sensor 4 will carry out computing after its data acquisition, and operation result and examination criteria numeric ratio are pressed measured value to rear
Clutch gear ring workpiece 11 is carried out to classify；And the processing of the numerical value progress next step of clutch gear ring workpiece 11 is measured according to side.
As shown in figure 5, non-cpntact measurement is selected according to environment and fine module gear；Half is gathered for spline hole measuring
Footpath,
1）Measuring system parameter is demarcated using standard component first, work piece holder 10 and manipulator are adjusted, by small mould
Number standards for gears parts are put on measurement station, directly with manipulator clamping fine module gear and with being fixed on rotating platform 2
Laser displacement sensor 7 measures；
2）System sends instructions, and rotary table 2 rotates, and angular metric and half mass runoff are obtained by laser displacement sensor 7 is synchronous
Afterwards, according to curve split it is infinitely small be exactly straight line principle, be the π R of L=2 by standard circumference formula, exist for irregular roundness
Different angle radiuses is different, fillet degree 360 is divided into n parts i.e. 2 π/n, girth formula is L={ (R1+R2)/2}×2π/
n+{(R2+R3)/2}×2π/n+……{(Rn+R1)/2}×2π/n={[(R1+R2) +(R2+R3) +……(Rn+R1)]/2}×2
π/n= {[2R1+2R2+2R3+……2Rn] /2}×2π/n= [R1+R2+R3+……Rn] × 2 π/n, when the segmentation of fillet degree is smaller
Circumference is more accurate.It is D={ [R that diameter formula is sought after known circumferential length1+R2+R3+……Rn] ×2π/n}/π=2×[R1+R2+
R3+……Rn]/n；R in formula1、 R2... .. Rn representatives are meant that is divided into n parts of angles, R for 360 degree by circumference1Represent
It is meant that in 360/n degree arc angle positions to the radius of pivot, R2Representative is meant that in 2 × 360/n degree arc chord angles
Position is spent to the radius of pivot, RnRepresentative is meant that 360（n×360/n）Arc angle position is spent to pivot
Radius；
3）Be delivered to data acquisition and communication system 8 after measurement data is calculated by above formula, data acquisition and
Communication system 8 obtains hole girth after being handled and diameter dimension is shown in data processing and display system 10 as detection mark
Quasi- numerical value；
4）Laser displacement sensor 7 is placed in initial point after measurement, and fine module gear standard component is removed, and starts to workpiece 11
Measure；
5）After manipulator takes the fine module gear workpiece 11 on carrier chain, angle is carried out by laser displacement sensor 7
Computing is carried out after the data acquisition of amount and half mass runoff, and by operation result and examination criteria numeric ratio to rear small by measured value progress
Gear workpiece 11 is classified；And the processing of the numerical value progress next step of fine module gear workpiece 11 is measured according to side.
Claims (2)
1. a kind of irregular hole circumferential measurements and the detection device of girth and diameter, by lathe bed, rotary table, slider cylinder,
Displacement sensor, Circular gratings, gauge head stent, gauge head, displacement adjusting bracket, servo-drive system, work piece holder composition；Its feature exists
In：It is connected between lathe bed and ground using vibrating isolation foundation with ground, lathe bed center is fixedly connected with rotary axis, under rotary axis
End connection servo-drive system, the upper end of rotary axis are fixedly connected with rotary table, and Circular gratings, which are sleeved on rotary axis, to be located at
Between lathe bed and rotary table, slider cylinder is fixedly connected with rotary table, and work piece holder is fixed on lathe bed, to be measured
Workpiece is placed on work piece holder, and gauge head stent is fixed in slider cylinder, and gauge head is located at the front end of gauge head stent, displacement tune
Section frame is fixedly connected on gauge head stent, and displacement sensor is fixed on rotary table, and displacement adjusting bracket is located at displacement sensing
Device side is used for the displacement for adjusting displacement sensor, and displacement adjusting bracket is L-type, and long side is fixed on gauge head stent, short side top
On the contact of displacement sensor 4, displacement adjusting bracket is synchronous with the direction of motion of slider cylinder.
2. irregular hole circumferential measurements according to claim 1 and the detection device of girth and diameter, it is characterised in that institute
Laser displacement sensor is directly fixedly connected with the rotary table stated and carries out non-cpntact measurement.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720963005.3U CN207300172U (en) | 2017-08-03 | 2017-08-03 | Irregular hole circumferential measurements and the detection device of girth and diameter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720963005.3U CN207300172U (en) | 2017-08-03 | 2017-08-03 | Irregular hole circumferential measurements and the detection device of girth and diameter |
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| CN207300172U true CN207300172U (en) | 2018-05-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300359A (en) * | 2017-08-03 | 2017-10-27 | 唐大春 | The detection means and method of irregular hole circumferential measurements and girth and diameter |
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- 2017-08-03 CN CN201720963005.3U patent/CN207300172U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300359A (en) * | 2017-08-03 | 2017-10-27 | 唐大春 | The detection means and method of irregular hole circumferential measurements and girth and diameter |
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Effective date of registration: 20200820 Address after: 130000 No. three, No. 206, software development zone, Changchun hi tech Development Zone, Jilin Patentee after: CHANGCHUN CHUNQIU TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: Room 28, gate 2, building 637, Dongfeng Street, Lvyuan District, Changchun City, Jilin Province Patentee before: Tang Dachun |