CN109458894A - Five axis turn round data spherical displacer and its application method - Google Patents
Five axis turn round data spherical displacer and its application method Download PDFInfo
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- CN109458894A CN109458894A CN201811471849.1A CN201811471849A CN109458894A CN 109458894 A CN109458894 A CN 109458894A CN 201811471849 A CN201811471849 A CN 201811471849A CN 109458894 A CN109458894 A CN 109458894A
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- 238000005259 measurement Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000000284 extract Substances 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000007598 dipping method Methods 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 abstract description 2
- 230000005622 photoelectricity Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000011161 development Methods 0.000 description 1
- 230000008676 import Effects 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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The present invention provides a kind of five axis to turn round data spherical displacer, including retaining part, fine tuning slide unit, spherical displacer, and the retaining part is mounted on fine tuning slide unit upper end, and the spherical displacer is mounted on fine tuning slide unit lower end.The calibration of five-axle linkage precision at present, the method for inspection can be divided into two kinds, and a kind of to use dedicated electronic metering equipment (such as IBS), special equipment measurement accuracy is high, but equipment is expensive, cumbersome, higher using threshold, be unfavorable for popularizing.Another then be using traditional hand dipping mode, this mode cost is minimum, but precision is worst simultaneously, and operating process step is most, and each machine tool plant's standard is different, normative poor.Contact-type electronic measuring instrument (IBS), non-contact type photoelectricity measuring instrument of the present invention compared to existing measuring device, have the advantages that it is at low cost, simple, conveniently, it is easy to use, calibration ball center can fast and accurately be calibrated, make entire measurement process simply without complex mathematical computations, measurement threshold is reduced, it is easy to spread.
Description
Technical field
The present invention relates to a kind of revolution data spherical displacers, more particularly to a kind of five axis revolution data spherical displacer and its use
Method.
Background technique
With the continuous development of China's machine tool technology, and the rising of multi-axis machines popularity rate in recent years, the present country have
Many Machine Manufacture quotient have started research and development, production five-axis machining apparatus.Either Machine Manufacture quotient or end user, five axis connection
The detection of dynamic precision is an essential ring.Because five-axle linkage precision directly affects the machining accuracy of equipment, how to improve
Detection accuracy, efficiency are of great significance.
The calibration of five-axle linkage precision at present, the method for inspection can be divided into two kinds, a kind of dedicated electronic metering equipment of use
(such as IBS), special equipment measurement accuracy is high, but equipment is expensive, cumbersome, higher using threshold, is unfavorable for popularizing.It is another
It is then using traditional hand dipping mode, this mode cost is minimum, but precision is worst simultaneously, and operating process step is most,
Each machine tool plant's standard is different, normative poor.And caliberating device disclosed in the patent of Publication No. CN 105043190 and use
Method still exist it is cumbersome, need to calculate complex data, be also high to stringer requirement, poor fault tolerance, efficiency also mentions
Between lift-off.
Summary of the invention
The present invention provides a kind of five axis to turn round data spherical displacer, a kind of more simple to provide, and guarantees that precision obtains premise
Lower operation threshold is low, demarcates a kind of high-efficient measurement method.
The present invention provides a kind of five axis to turn round data spherical displacer, including retaining part, fine tuning slide unit, spherical displacer, described
Retaining part is mounted on fine tuning slide unit upper end, and the spherical displacer is mounted on fine tuning slide unit lower end.
Further, the fine tuning slide unit is that cross finely tunes slide unit.
Further, the spherical displacer is bearing steel ball.
Further, the bearing steel ball is G3 dimension accuracy steel ball.
Further, the five axis revolution data spherical displacer further includes amesdial, the test side of the amesdial and calibration
Ball surface is in contact.
Further, the five axis revolution data spherical displacer further includes gauge stand, and the amesdial is mounted on gauge stand.
Further, the five axis revolution data spherical displacer further includes Z axis setting instrument, and the gauge stand is mounted on Z axis setting
On instrument.
The invention also discloses a kind of application methods of above-mentioned five axis revolution data spherical displacer, including steps are as follows (with AC
For double turntable structures):
1) amesdial is fixed on gauge stand, then the gauge stand assembled and amesdial is fixed on rotary work table top；
2) it will divide medium rod clamping on five-axis machine tool knife handle, and load on knife five-axis machine tool main shaft, using minute stick to rotation work
In carrying out point as platform, the location error of rapid drop main shaft and C axis center shortens amesdial school and marks the time
3) knife handle of medium rod is divided to unload assembly, mobile Z axis to suitable position, mobile adjustment amesdial makes spindle taper hole pressure table,
C axis workbench is rotated, amesdial is observed, fine tuning XY guarantees that all angles pressure table is identical, is overlapped main shaft with C axis center
4) it keeps amesdial motionless, the knife handle of spherical displacer retaining part and five-axis machine tool is assembled and is loaded into the master of five-axis machine tool
On axis,
5) it keeps major axis X Y location motionless, adjusts gauge stand, spherical displacer is made to press amesdial, control main shaft rotation drives spherical displacer to turn
Dynamic, the scale with reference to shown in amesdial adjusts spherical displacer using micro-adjusting mechanism, really if scale changes in rotary course
It protects the spherical displacer centre of sphere and main shaft rotates overlapping of axles；
6) numerical value H is recorded at a distance from main shaft nose using amesdial measurement spherical displacer minimum point；
7) Z axis setting instrument is placed on rotary table, mobile spherical displacer, pressure setting instrument records current location mechanical coordinate Z1；
8) spherical displacer presses amesdial, and the rotation of rotary work table top drives amesdial rotation, mobile adjustment calibration ball position, Zhi Daoxuan
Shaft is overlapped with the centre of sphere, mechanical coordinate P1 when record is overlapped；
9) it keeps amesdial position motionless, spherical displacer is first moved to home, lathe sloping shaft is rotated by 90 °, mobile calibration
Ball 3 presses table, and pressure table scale is identical as previous step, and the rotation of rotary work table top drives amesdial to carry out the rotation on perpendicular,
Mobile adjustment calibration ball position records mechanical coordinate P2 at this time until rotary shaft is overlapped with the centre of sphere；
10) open CAD software, by P1 P2 point coordinate input creation two o'clock, pass through mathematics geometry two o'clock and 90 ° of angle, drafting
Justify out, obtains central coordinate of circle P3；
11) arrange data: PZ=Z1-H- sets instrument height, extracts the XY coordinate in P1, extracts the YZ coordinate in P3；
12) previous step data are inputted into corresponding parameter position according to system controller definition, reset comes into force；
13) each axis returns to zero, and spherical displacer is moved to P1 coordinate, presses table, open-authentication formula again, and A axis is moved to -90, A axis
C axis does uninterrupted rotary motion in motion process, and observation table shows numerical value；
14) numerical value fine tuning revolution data are shown according to A0 and the table of two positions A90, showing value fluctuation less than 0.01 with table is standard,
If overproof, repeat this step to table and show value fluctuation less than 0.01, and complete to demarcate.
Detailed description of the invention
Fig. 1 is that five axis of the invention turn round data spherical displacer structural schematic diagram；
Fig. 2 is that rotary shaft of embodiment of the present invention work top is in the structural schematic diagram under horizontality；
Fig. 3 is that rotary shaft of embodiment of the present invention work top is in the structural schematic diagram under plumbness.
Specific embodiment
It in order to enable those skilled in the art to better understand the solution of the present invention, below will be to the skill in the embodiment of the present invention
Art scheme is clearly and completely described, it is clear that and the described embodiment is only a part of the embodiment of the present invention, without
It is whole embodiments.
The embodiment of the invention discloses a kind of five axis to turn round data spherical displacer, as shown in Figure 1, including retaining part 1, fine tuning
Slide unit 2, spherical displacer 3, the retaining part 1 are mounted on fine tuning 2 upper end of slide unit, finely tune and are equipped with fixed link 21 below slide unit 2, fine tuning
Slide unit 2 is connected by fixed link 21 with spherical displacer 3, and spherical displacer 3 is made to be mounted on fine tuning 2 lower end of slide unit.
Optionally, the fine tuning slide unit 2 is that cross finely tunes slide unit 2.
Optionally, the spherical displacer 3 is bearing steel ball 3.Particularly, in embodiments of the present invention, the bearing steel ball 3 is adopted
With German import G3 dimension accuracy (0.0003) bearing steel ball 3.
Optionally, the five axis revolution data spherical displacer further includes amesdial 4, the test side of the amesdial 4 and calibration
3 surface of ball is in contact.
Particularly, the five axis revolution data spherical displacer further includes gauge stand 5, and the amesdial 4 is mounted on gauge stand 5
Particularly, the five axis revolution data spherical displacer further includes Z axis setting instrument 7, and the gauge stand 5 is mounted on Z axis setting instrument 7
On.
Wherein, as shown in Figure 1, retaining part 1 can be fixed with the knife handle of lathe.Micro-adjusting mechanism 2 is micron order freqency fine adjustment machine
Structure.Z axis setting instrument 7 is mounted on the edge of rotary shaft work top.
By taking AC cradle-type structure as an example, specific scaling method is as follows:
1) in the case that three axis items mechanical precisions are all up to standard, guarantee rotary shaft with the positional relationship of corresponding linear axis no more than state
It is measured in situation as defined in marking；
2) device needed for demarcating is equipment, any CAD software disclosed in the embodiment of the present invention；
3) knife handle that five axis turn round data spherical displacer and five-axis machine tool is assembled and is loaded on the main shaft of five-axis machine tool, by thousand points
Table 4 and gauge stand 5 are assembled and are fixed on rotary shaft work top 6
4) as shown in Fig. 2, spherical displacer 3 is pressed amesdial 4, main shaft rotation drives spherical displacer 3 to rotate, carves with reference to shown in amesdial 4
Degree adjusts spherical displacer 3 using micro-adjusting mechanism 2, it is ensured that 3 centre of sphere of spherical displacer and master if scale changes in rotary course
Axis rotates overlapping of axles；
5) 3 minimum point of spherical displacer is measured at a distance from main shaft nose using amesdial 4, record numerical value H；
6) Z axis setting instrument is placed on rotary table 6, mobile spherical displacer 3, pressure setting instrument records current location mechanical coordinate
Z1；
7) spherical displacer 3 presses amesdial 4, and the rotation of rotary work table top 6 drives amesdial 4 to rotate, mobile adjustment 3 position of spherical displacer,
Mechanical coordinate P1 when rotary shaft is overlapped with the centre of sphere, and record is overlapped；
8) as shown in Fig. 3, keep amesdial position motionless, lathe sloping shaft is rotated by 90 °, and mobile spherical displacer 3 presses table, and pressure table is carved
Spend identical as previous step rotation on the rotation drive progress perpendicular of amesdial 4 of rotary work table top 6, mobile adjustment calibration
3 position of ball records mechanical coordinate P2 at this time until rotary shaft is overlapped with the centre of sphere；
9) open CAD software, by P1 P2 point coordinate input creation two o'clock drawn by simple mathematical geometry two o'clock and 90 ° of angle
Circle is produced, central coordinate of circle P3 is obtained；
10) arrange data: PZ=Z1-H- sets instrument height, extracts the XY coordinate in P1, extracts the YZ coordinate in P3；
11) previous step data are inputted into corresponding parameter position according to system controller definition, reset comes into force；
12) each axis returns to zero, and spherical displacer is moved to P1 coordinate, presses table, open-authentication formula again, and A axis is moved to -90, A axis
C axis does uninterrupted rotary motion in motion process, and observation table shows numerical value；
13) numerical value fine tuning revolution data are shown according to A0 and the table of two positions A90, showing value fluctuation less than 0.01 with table is standard,
If overproof, this step is repeated.
Structure of the embodiment of the present invention is simple, compared to the contact-type electronic measuring instrument (IBS) of existing measuring device, non-contact
Formula photoelectric measuring instrument, cost is relatively low, and application method is simply, conveniently, easy to use.Meanwhile the freqency fine adjustment machine of the embodiment of the present invention
Structure is micron order, can fast and accurately calibrate calibration ball center, and entire measurement process is made simply without complex mathematical computations, to reduce and survey
Threshold is measured, it is easy to spread.In addition, five axis revolution data spherical displacer fault-tolerance of the invention is high, because using micro-adjusting mechanism, using
In the process can with ignore knife handle clamping error, reduce clamping requirement.
Particularly, spherical displacer uses G3 rank bearing steel ball in the embodiment of the present invention, is standard component, have precision it is high, at
This low advantage, micro-adjusting mechanism are Quadratic Finite Element measuring instrument conventional fitment, and purchase cost is low, a whole set of spherical displacer low cost, potential visitor
Family group increases.The embodiment of the present invention can also carry out dynamic check in addition to common static accuracy test, and spherical displacer equally can be into
The dynamic accuracy of row linkage is examined.
Finally it should be noted that the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
Invention is explained in detail referring to above-described embodiment for pipe, it should be understood by a person of ordinary skill in the art that technology
Personnel read present specification after still can with modifications or equivalent substitutions are made to specific embodiments of the invention, but this
A little modifications are changed within all without departing from the present patent application accompanying claims protection scope.
Claims (8)
1. five axis turn round data spherical displacer, which is characterized in that the five axis revolution data spherical displacer includes retaining part, fine tuning cunning
Platform, spherical displacer, the retaining part are mounted on fine tuning slide unit upper end, and the spherical displacer is mounted on fine tuning slide unit lower end.
2. five axis according to claim 1 turns round data spherical displacer, which is characterized in that the fine tuning slide unit is cross fine tuning
Slide unit.
3. five axis according to claim 1 turns round data spherical displacer, which is characterized in that the spherical displacer is bearing steel ball.
4. five axis according to claim 3 turns round data spherical displacer, which is characterized in that the bearing steel ball is G3 rank essence
Spend steel ball.
5. five axis according to claim 1 turns round data spherical displacer, which is characterized in that five axis turns round data spherical displacer
It further include amesdial, the test side of the amesdial is in contact with calibration ball surface.
6. five axis according to claim 5 turns round data spherical displacer, which is characterized in that five axis turns round data spherical displacer
It further include gauge stand, the amesdial is mounted on gauge stand.
7. five axis according to claim 6 turns round data spherical displacer, which is characterized in that five axis turns round data spherical displacer
It further include that the Z axis that height is 50mm sets instrument.
8. a kind of application method of five axis revolution data spherical displacer as claimed in claim 7, which is characterized in that including steps are as follows
(by taking the bis- turntable structures of AC as an example):
1) amesdial is fixed on gauge stand, then the gauge stand assembled and amesdial is fixed on rotary work table top；
2) it will divide medium rod clamping on five-axis machine tool knife handle, and load on knife five-axis machine tool main shaft, using minute stick to rotation work
In carrying out point as platform, the location error of rapid drop main shaft and C axis center shortens amesdial school and marks the time
3) knife handle of medium rod is divided to unload assembly, mobile Z axis to suitable position, mobile adjustment amesdial makes spindle taper hole pressure table,
C axis workbench is rotated, amesdial is observed, fine tuning XY guarantees that all angles pressure table is identical, is overlapped main shaft with C axis center
4) it keeps amesdial motionless, the knife handle of spherical displacer retaining part and five-axis machine tool is assembled and is loaded into the master of five-axis machine tool
On axis,
5) it keeps major axis X Y location motionless, adjusts gauge stand, spherical displacer is made to press amesdial, control main shaft rotation drives spherical displacer to turn
Dynamic, the scale with reference to shown in amesdial adjusts spherical displacer using micro-adjusting mechanism, really if scale changes in rotary course
It protects the spherical displacer centre of sphere and main shaft rotates overlapping of axles；
6) numerical value H is recorded at a distance from main shaft nose using amesdial measurement spherical displacer minimum point；
7) Z axis setting instrument is placed on rotary table, mobile spherical displacer, pressure setting instrument records current location mechanical coordinate Z1；
8) spherical displacer presses amesdial, and the rotation of rotary work table top drives amesdial rotation, mobile adjustment calibration ball position, Zhi Daoxuan
Shaft is overlapped with the centre of sphere, mechanical coordinate P1 when record is overlapped；
9) it keeps amesdial position motionless, spherical displacer is first moved to home, lathe sloping shaft is rotated by 90 °, mobile calibration
Ball 3 presses table, and pressure table scale is identical as previous step, and the rotation of rotary work table top drives amesdial to carry out the rotation on perpendicular,
Mobile adjustment calibration ball position records mechanical coordinate P2 at this time until rotary shaft is overlapped with the centre of sphere；
10) open CAD software, by P1 P2 point coordinate input creation two o'clock, pass through mathematics geometry two o'clock and 90 ° of angle, drafting
Justify out, obtains central coordinate of circle P3；
11) arrange data: PZ=Z1-H- sets instrument height, extracts the XY coordinate in P1, extracts the YZ coordinate in P3；
12) previous step data are inputted into corresponding parameter position according to system controller definition, reset comes into force；
13) each axis returns to zero, and spherical displacer is moved to P1 coordinate, presses table, open-authentication formula again, and A axis is moved to -90, A axis
C axis does uninterrupted rotary motion in motion process, and observation table shows numerical value；
14) numerical value fine tuning revolution data are shown according to A0 and the table of two positions A90, showing value fluctuation less than 0.01 with table is standard,
If overproof, repeat this step to table and show value fluctuation less than 0.01, and complete to demarcate.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006626A (en) * | 2019-12-20 | 2020-04-14 | 逸美德科技股份有限公司 | Method and device for calibrating rotating shaft of dispensing equipment |
| CN111750755A (en) * | 2020-06-28 | 2020-10-09 | 珠海格力智能装备有限公司 | Method and device for detecting center position of rotating shaft of cradle rotating platform |
| CN112008491A (en) * | 2020-07-29 | 2020-12-01 | 成都飞机工业（集团）有限责任公司 | CA type five-axis numerical control machine tool RTCP precision calibration method based on measuring head |
| CN114406803A (en) * | 2022-01-17 | 2022-04-29 | 中国第一汽车股份有限公司 | Zero point recovery and calibration device for machine tool of machining center and using method of zero point recovery and calibration device |
| CN114714153A (en) * | 2022-04-22 | 2022-07-08 | 成都飞机工业（集团）有限责任公司 | Auxiliary fixture and detection method for detecting vertical C-axis positioning accuracy of eccentric structure |
| CN115464466A (en) * | 2022-09-29 | 2022-12-13 | 巨冈精工(广东)股份有限公司 | Auxiliary tool for R-test detection of double-swing-head five-axis numerical control machine tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006626A (en) * | 2019-12-20 | 2020-04-14 | 逸美德科技股份有限公司 | Method and device for calibrating rotating shaft of dispensing equipment |
| CN111750755A (en) * | 2020-06-28 | 2020-10-09 | 珠海格力智能装备有限公司 | Method and device for detecting center position of rotating shaft of cradle rotating platform |
| CN111750755B (en) * | 2020-06-28 | 2022-08-16 | 珠海格力智能装备有限公司 | Method and device for detecting center position of rotating shaft of cradle rotating platform |
| CN112008491A (en) * | 2020-07-29 | 2020-12-01 | 成都飞机工业（集团）有限责任公司 | CA type five-axis numerical control machine tool RTCP precision calibration method based on measuring head |
| CN112008491B (en) * | 2020-07-29 | 2021-07-02 | 成都飞机工业（集团）有限责任公司 | CA type five-axis numerical control machine tool RTCP precision calibration method based on measuring head |
| CN114406803A (en) * | 2022-01-17 | 2022-04-29 | 中国第一汽车股份有限公司 | Zero point recovery and calibration device for machine tool of machining center and using method of zero point recovery and calibration device |
| CN114406803B (en) * | 2022-01-17 | 2023-11-21 | 中国第一汽车股份有限公司 | Zero point recovery and calibration device for machining center machine tool and application method of zero point recovery and calibration device |
| CN114714153A (en) * | 2022-04-22 | 2022-07-08 | 成都飞机工业（集团）有限责任公司 | Auxiliary fixture and detection method for detecting vertical C-axis positioning accuracy of eccentric structure |
| CN115464466A (en) * | 2022-09-29 | 2022-12-13 | 巨冈精工(广东)股份有限公司 | Auxiliary tool for R-test detection of double-swing-head five-axis numerical control machine tool |
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