CN107907090A - A kind of self-centering bent axle roundness measuring device and measuring method - Google Patents
A kind of self-centering bent axle roundness measuring device and measuring method Download PDFInfo
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- CN107907090A CN107907090A CN201711100066.8A CN201711100066A CN107907090A CN 107907090 A CN107907090 A CN 107907090A CN 201711100066 A CN201711100066 A CN 201711100066A CN 107907090 A CN107907090 A CN 107907090A
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- gauge head
- measuring device
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- centering
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The present invention relates to a kind of self-centering bent axle roundness measuring device and measuring method, wherein Workpiece rotating device realizes that the positioning of workpiece is clamped and rotated, the parallel four side luggage of gauge head running gear, which is put, ensures that gauge head is in vertical position all the time during servo-actuated, and 3 method measurements of self-centering are realized in the V-type support that gauge head and the edge of a knife are formed.The servo-actuated self-centering measurement of footpath and the diameter of axle is turned so as to fulfill bent axle.Error source is effectively reduced, improves measurement accuracy；The edge of a knife and gauge head are effectively combined by self-centering measuring device at the same time forms at theoretic 3 points and surveys circle principle, efficiently solves axis of workpiece and is not fixed influence with axis rotating deviation.The measuring device of the present invention can be completed to measure within the very short time, can save the time, easy to operate, ease for use is good.
Description
Technical field
The invention belongs to the measurement in geometric tolerance e measurement technology to deviation from circular from, is that one kind is based on being servo-actuated self-centering song
Axis roundness measuring device and method.
Background technology
Circularity is to represent the key element true form of circle on part, and equidistant situation is kept with its center.It is i.e. usually said
Rounding degree.Roundness measurement is the measurement to deviation from circular from geometric tolerance measurement technology, is very heavy in machinery manufacturing industry
The content wanted.It is that quality monitoring and the important means managed, the conjunction to industrial production and product are carried out to the part of circle on part
Reason, which is used, extremely important meaning.
Roundness measurement mainly has the methods of revolution method of principal axes, line-of-sight course, two-point method, sciagraphy and coordinate method at present.
Turn round method of principal axes：Formed Circular test (ideal circle) and measured circle ratio are revolved one-turn using the axis in precision bearing system
Compared with revolution method of principal axes has sensor revolution and two kinds of forms of work table rotation.The former is suitable for high-precision roundness measurement, and the latter commonly uses
In measurement miniature workpiece.
Line-of-sight course：Often measured workpiece is placed in vee-block and is measured.During measurement, measured workpiece is set to be turned round in vee-block
One week, maximum indicating value and minimum indicating value are read from micrometer, the half of two indicating value differences be the cylindrical deviation from circular from of measured workpiece.
Two-point method：The measurements such as common micrometer, comparator, maximum difference half between each diameter on a certain section of measured circle
Deviation from circular from as this section.
Sciagraphy：Often measured on projecting apparatus, the contour image of measured circle and two limit that are plotted on projection screen is same
Heart circle compares, so as to obtain the deviation from circular from of measured piece.
Coordinate method：Generally measured on the three coordinate measuring machine with electronic computer.By the rectangular co-ordinate being pre-selected
If systematic survey goes out coordinate value x, the y done on measured circle, selected Circularity error evaluation method is pressed by electronic computer
Calculate the deviation from circular from of measured circle.
Either fix or axis of workpiece is fixed by gauge head for any of the above method, and crank throw axis does public affairs during bent axle roundness measurement
Transhipment is dynamic, can not fix, therefore needs gauge head and then servo-actuated and self-centering.
The content of the invention
The defects of for above-mentioned existing e measurement technology manufacture or deficiency, it is an object of the invention to provide one kind based on servo-actuated
Self-centering bent axle roundness measuring device and method, the device coordinate its measuring method to conveniently realize bent axle circularity
Measure work.
The present invention uses following technical scheme to achieve the above object：
A kind of self-centering bent axle roundness measuring device, including workbench, Workpiece rotating device, gauge head walking measurement dress
Put, Workpiece rotating device and gauge head the walking measuring device is mounted on workbench；The Workpiece rotating device is used for solid
Determine workpiece and drive workpiece rotation, the gauge head walking measuring device is used for the servo-actuated self-centering survey that workpiece turns footpath and the diameter of axle
Amount, and can be moved along axis of workpiece direction.
As the further scheme of the present invention, the Workpiece rotating device includes rotating servo motor, spindle drum, locating clip
Tight chuck, tailstock, thimble locking device, scalable thimble；The spindle drum, tailstock are respectively arranged in the both ends of workbench, institute
The interior outside for stating spindle drum is separately installed with positioning clamping chuck and rotating servo motor, and rotating servo motor by shaft with
Positioning clamping chuck connects, be provided with the tailstock with the matched scalable thimble of positioning clamping chuck, and for solid
The thimble locking device of the scalable thimble of fixing limit.
As the further scheme of the present invention, gauge head walking measuring device include gauge head, measuring head base, upper connecting rod, lower link,
Connecting rod base, fixed seat, driving screw rod, movement supporting plate, guide rail；The movement supporting plate is installed on the guide rail on workbench by guide rail
In groove, and by driving screw rod to be connected with driving motor, the fixed seat is fixed on movement supporting plate, and the connecting rod base is fixed on
In fixed seat, the upper connecting rod, the both ends of lower link are respectively connected with connecting rod base, measuring head base, are provided with the measuring head base
Gauge head.
As the further scheme of the present invention, the measuring head base, upper connecting rod, lower link, connecting rod base form parallel four side row
Structure, vertical position is in for ensureing gauge head all the time during servo-actuated.
As the further scheme of the present invention, the V-type branch that the gauge head is formed with the left edge of a knife on measuring head base, the right edge of a knife
3 method measurements of self-centering are realized in support, and the servo-actuated self-centering measurement of footpath and the diameter of axle is turned so as to fulfill bent axle.
Using the measuring method of above-mentioned measuring device, comprise the following steps：
1) workpiece, is put into top on the table, and with positioning clamping chuck and scalable thimble by Workpiece clamping,
Afterwards scalable thimble is locked with thimble locking device；
2) bent axle that, being placed on gauge head walking measuring device needs to measure is turned on footpath and the diameter of axle；
3), rotating servo motor drives 1 circle of workpiece rotation, while gathers the variation of gauge head；
4), after the measuring device, which receives, completes signal, gauge head will be gathered using least square method by data processor
Variation handled and obtain circularities at this；Mobile gauge head walking measuring device carries out the measurement at next place at the same time.
The beneficial effects of the invention are as follows：
1st, self-centering measuring device is servo-actuated present invention employs parallelogram gauge head effectively to fix the position of gauge head
In the surface of measured workpiece, error source is effectively reduced, improves measurement accuracy；
2nd, the edge of a knife and gauge head are effectively combined by self-centering measuring device of the invention forms theoretic 3 points of surveys circle original
Reason, efficiently solves axis of workpiece and is not fixed influence with axis rotating deviation.
3rd, measuring device of the invention can complete measurement within the very short time, can save the time；Present invention behaviour
It is good to make simplicity, ease for use.Processing data are cooperateed with using processor, realize the automation of measurement.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is gauge head walking measuring device structure diagram；
Fig. 3 is the gauge head self contering structure figure of the present invention.
In figure：1st, workbench 1,2, rotating servo motor, 3, spindle drum, 4, positioning clamping chuck, 5, workpiece (bent axle), 6,
Tailstock, 7, thimble locking device, 8, scalable thimble, 9, the left edge of a knife, 10, gauge head, 11, the right edge of a knife, 12, measuring head base, 13, upper company
Bar, 14, lower link, 15, connecting rod base, 16, fixed seat, 17, driving screw rod, 18, movement supporting plate, 19 guide rails, 20, gauge head walking surveys
Device is measured, A, B, C are 3 contact points.
Embodiment
The present invention is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figs. 1-2, a kind of self-centering bent axle roundness measuring device, including workbench, Workpiece rotating device, gauge head
Walking measuring device 20, Workpiece rotating device and gauge head the walking measuring device are mounted on workbench；The workpiece rotation
Rotary device is used to fix workpiece and drives workpiece rotation, gauge head walking measuring device be used for workpiece turn footpath and the diameter of axle with
Self-centering measurement is moved, and can be moved along axis of workpiece direction；
The Workpiece rotating device includes rotating servo motor 2, spindle drum 3, positioning clamping chuck 4, tailstock 6, thimble lock
Tight device 7, scalable thimble 8；The spindle drum 3, tailstock 6 are respectively arranged in the both ends of workbench, the spindle drum 3 it is inside and outside
Side is separately installed with positioning clamping chuck 4 and rotating servo motor 2, and rotating servo motor 2 clamps card by shaft and positioning
Disk 4 connects, be provided with the tailstock 6 with the matched scalable thimble 8 of positioning clamping chuck 4, it is and spacing for fixing
The thimble locking device 7 of scalable thimble 8.
Gauge head walking measuring device 20 include gauge head 10, measuring head base 12, upper connecting rod 13, lower link 14, connecting rod base 15,
Fixed seat 16, driving screw rod 17, movement supporting plate 18, guide rail 19；The movement supporting plate 18 is installed on workbench 1 by guide rail 19
Guide-track groove in, and by drive screw rod 17 with driving motor be connected, the fixed seat 16 be fixed on moves supporting plate 18 on, it is described
Connecting rod base 15 is fixed in fixed seat 16, the upper connecting rod 13, lower link 14 both ends respectively with connecting rod base 15, measuring head base 12
Connect, gauge head 10 is installed on the measuring head base 12.
The measuring head base 12, upper connecting rod 13, lower link 14, connecting rod base 15 form parallel four sides row structure, for ensureing to survey
Head is in vertical position all the time during servo-actuated.
Self-centering 3 is realized in the V-type support that the gauge head 10 is formed with the left edge of a knife 9 on measuring head base 12, the right edge of a knife 11
Point method measurement (as shown in figure 3,3 contact points of A, B, C), the servo-actuated self-centering measurement of footpath and the diameter of axle is turned so as to fulfill bent axle.
Using the measuring method of above-mentioned measuring device, comprise the following steps：
1) top, being placed on workpiece 5 on workbench 1, and with positioning clamping chuck 4 and scalable thimble 8 by workpiece 5
Clamp, lock scalable thimble 8 with thimble locking device 7 afterwards；
2) bent axle that, being placed on gauge head walking measuring device needs to measure is turned on footpath and the diameter of axle；
3), rotating servo motor 2 drives 1 circle of the rotation of workpiece 5, while gathers the variation of gauge head 10；
4), after the measuring device, which receives, completes signal, gauge head will be gathered using least square method by data processor
10 variation, which is handled, obtains circularities at this；Mobile gauge head walking measuring device carries out the measurement at next place at the same time.
The above is present pre-ferred embodiments, for the ordinary skill in the art, according to the present invention
Teaching, in the case where not departing from the principle of the present invention and spirit, the changes, modifications, replacement and the change that are carried out to embodiment
Type is still fallen within protection scope of the present invention.
Claims (6)
1. a kind of self-centering bent axle roundness measuring device, it is characterised in that including workbench, Workpiece rotating device, gauge head row
Measuring device is walked, Workpiece rotating device and gauge head the walking measuring device is mounted on workbench；The workpiece rotating dress
Put for fixing workpiece and driving workpiece rotation, gauge head walking measuring device be used for workpiece turn footpath and the diameter of axle it is servo-actuated from
Centering measurement, and can be moved along axis of workpiece direction.
A kind of 2. self-centering bent axle roundness measuring device according to claim 1, it is characterised in that the workpiece rotation
Device includes rotating servo motor, spindle drum, positioning clamping chuck, tailstock, thimble locking device, scalable thimble；The master
Axle bed, tailstock are respectively arranged in the both ends of workbench, and the interior outside of the spindle drum is separately installed with positioning clamping chuck and rotation
Turn servomotor, and rotating servo motor is connected by shaft with positioning clamping chuck, be provided with the tailstock and locating clip
The matched scalable thimble of tight chuck 4, and for fixing the thimble locking device 7 of spacing scalable thimble.
A kind of 3. self-centering bent axle roundness measuring device according to claim 1, it is characterised in that gauge head walking measurement
Device includes gauge head, measuring head base, upper connecting rod, lower link, connecting rod base, fixed seat, driving screw rod, movement supporting plate, guide rail；The fortune
Dynamic supporting plate is installed in the guide-track groove on workbench by guide rail, and by driving screw rod to be connected with driving motor, the fixation
Seat is fixed on movement supporting plate, and the connecting rod base is fixed in fixed seat, and the upper connecting rod, the both ends of lower link are respectively with connecting
Pole socket, measuring head base connect, and gauge head is provided with the measuring head base.
A kind of 4. self-centering bent axle roundness measuring device according to claim 1, it is characterised in that the measuring head base,
Upper connecting rod, lower link, connecting rod base form parallel four sides row structure, for ensureing gauge head during servo-actuated all the time in vertical
Position.
5. a kind of self-centering bent axle roundness measuring device according to claim 1, it is characterised in that the gauge head is with surveying
3 methods measurements of self-centering are realized in the support of V-type that the left edge of a knife, the right edge of a knife on headstock are formed, so as to fulfill bent axle turn footpath and
The servo-actuated self-centering measurement of the diameter of axle.
6. a kind of measuring method using the measuring device as described in claim 1-5 is any, comprises the following steps：
1) workpiece, is put into top on the table, and with positioning clamping chuck and scalable thimble by Workpiece clamping, afterwards
Scalable thimble is locked with thimble locking device；
2) bent axle that, being placed on gauge head walking measuring device needs to measure is turned on footpath and the diameter of axle；
3), rotating servo motor drives 1 circle of workpiece rotation, while gathers the variation of gauge head；
4), after the measuring device, which receives, completes signal, the change of gauge head will be gathered using least square method by data processor
Momentum, which is handled, obtains circularities at this；Mobile gauge head walking measuring device carries out the measurement at next place at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711100066.8A CN107907090A (en) | 2017-11-09 | 2017-11-09 | A kind of self-centering bent axle roundness measuring device and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711100066.8A CN107907090A (en) | 2017-11-09 | 2017-11-09 | A kind of self-centering bent axle roundness measuring device and measuring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107907090A true CN107907090A (en) | 2018-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711100066.8A Pending CN107907090A (en) | 2017-11-09 | 2017-11-09 | A kind of self-centering bent axle roundness measuring device and measuring method |
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Citations (6)
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|---|---|---|---|---|
| CN101161422A (en) * | 2006-10-09 | 2008-04-16 | 张啸东 | Crankshaft two end panel center hole locating marking-off table and center hole locating method |
| CN101793603A (en) * | 2009-12-29 | 2010-08-04 | 上海交通大学 | Device for detecting residual fatigue life and dimensional precision of automobile retired crankshaft |
| CN102059651A (en) * | 2010-07-30 | 2011-05-18 | 潘旭华 | Roundness measurement method for bent axle follow-up grinding |
| CN202267437U (en) * | 2011-10-13 | 2012-06-06 | 淄博柴油机总公司 | Crankshaft edge roundness measuring instrument |
| CN104359448A (en) * | 2014-11-07 | 2015-02-18 | 沈阳黎明航空发动机(集团)有限责任公司 | Continuous angle measurement device of intermediate case air bleed valve |
| CN107238359A (en) * | 2017-07-03 | 2017-10-10 | 西安爱生技术集团公司 | A kind of small aero bent axle circle bounce, system for detecting roundness |
-
2017
- 2017-11-09 CN CN201711100066.8A patent/CN107907090A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101161422A (en) * | 2006-10-09 | 2008-04-16 | 张啸东 | Crankshaft two end panel center hole locating marking-off table and center hole locating method |
| CN101793603A (en) * | 2009-12-29 | 2010-08-04 | 上海交通大学 | Device for detecting residual fatigue life and dimensional precision of automobile retired crankshaft |
| CN102059651A (en) * | 2010-07-30 | 2011-05-18 | 潘旭华 | Roundness measurement method for bent axle follow-up grinding |
| CN202267437U (en) * | 2011-10-13 | 2012-06-06 | 淄博柴油机总公司 | Crankshaft edge roundness measuring instrument |
| CN104359448A (en) * | 2014-11-07 | 2015-02-18 | 沈阳黎明航空发动机(集团)有限责任公司 | Continuous angle measurement device of intermediate case air bleed valve |
| CN107238359A (en) * | 2017-07-03 | 2017-10-10 | 西安爱生技术集团公司 | A kind of small aero bent axle circle bounce, system for detecting roundness |
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Application publication date: 20180413 |
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