CN104034228B - Guided positioning device of coordinate machine, calibration method and positioning method - Google Patents
Guided positioning device of coordinate machine, calibration method and positioning method Download PDFInfo
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- CN104034228B CN104034228B CN201410241503.8A CN201410241503A CN104034228B CN 104034228 B CN104034228 B CN 104034228B CN 201410241503 A CN201410241503 A CN 201410241503A CN 104034228 B CN104034228 B CN 104034228B
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Abstract
The invention discloses a guided positioning device of a coordinate machine, a calibration method and a positioning method. The guided positioning device of the coordinate system comprises a standard measuring mechanism that is fixedly arranged on a moving shaft of the coordinate machine through a fastening part; the standard measuring mechanism is at least one of a standard ball, a standard block and a standard right-angle block; the measuring surface of the standard block is parallel to one of the coordinate planes in a coordinate system; the standard right-angle block comprises two mutually-vertical measuring surfaces which are respectively parallel to two coordinate planes in the coordinate system, wherein the coordinate system is the coordinate system of the coordinate machine. The guided positioning device of the coordinate machine is specially suitable for precise positioning of a tool provided with a spherical surface, a cylindrical surface, a planar structure or a hole type structure, and the positioning efficiency is high.
Description
Technical field
The invention belongs to coordinate machine field of locating technology, specifically, be related to a kind of coordinate machine guiding locator and
Its calibration steps, localization method.
Background technology
In three coordinate measuring machine application, one of which application is that certain component is accurately put into into certain by measuring machine
Determine position, such as in automobile gauge assembling process, needs carry out accurate location and installation to every module component.Detailed process
It is：Component is fixed on roughly position, by certain datum level of coordinate measuring machine component, component current position is obtained,
Current position and the contrast for being actually needed position are obtained into position deviation, manual micro-adjustment member position approaching position deviation,
By measurement adjustment repeatedly, most at last component is fixed on accurate position, and site error will be in allowed limits.
Adjust in this way, adjustment process is repeatedly many times bothersome laborious, operative skill to operating personnel and
Experience also has higher requirement.
The content of the invention
The present invention needs manually to finely tune repeatedly to solve existing localization method, the technology that accuracy is not high and efficiency is low
Problem, there is provided a kind of coordinate machine guiding locator and its calibration steps, localization method.
In order to solve above-mentioned technical problem, the present invention is employed the following technical solutions and is achieved：
A kind of coordinate machine guiding locator, the guiding locator is installed in coordinate machine shifting axle by securing member
On, the guiding locator includes at least one in standard ball, calibrated bolck, standard right angle block；The calibrated bolck includes one
Individual measuring surface, and the measuring surface of calibrated bolck is parallel with one of coordinate plane under coordinate system；The standard right angle block includes
Two orthogonal measuring surface, and two orthogonal measuring surface under coordinate system respectively with two of which coordinate plane
It is parallel.
Further, the securing member includes central shaft, the rotary sleeve for fixing the standard ball, and the central shaft is worn
The sleeve of the rotary sleeve is crossed, is locked with the rotary sleeve by the first retaining mechanism, the standard ball is fixed on described
One end of central shaft, the other end of the central shaft is fixed on coordinate machine shifting axle.
Further, the other end of the central shaft carries external screw thread, carries and the outer spiral shell on coordinate machine shifting axle
The thread bush that line is engaged.
Further, the canonical measure mechanism includes standard ball and calibrated bolck or while including standard ball simultaneously
During with standard right angle block, the securing member also includes the support for fixing the calibrated bolck or standard right angle block, the rotation
Pivoted housing is fixed on the support side by the second retaining mechanism, and the calibrated bolck or standard right angle block are by the 3rd locking machine
Structure is fixed on the other side of the support.
Further, the first described retaining mechanism, the second retaining mechanism or the 3rd retaining mechanism are screw.
Based on a kind of above-mentioned coordinate machine guiding locator, the invention provides above-mentioned coordinate machine guiding locator
Calibration steps, including foregoing coordinate machine guiding locator, the calibration steps of the device is comprised the following steps：
The calibration of standard ball：Moving coordinate machine shifting axle so that the standard ball is inscribed within the calibration block, using described
The coordinate value of calibration block and the radius calculation of standard ball go out the coordinate value of the standard ball centre of sphere；
The calibration of calibrated bolck：Moving coordinate machine shifting axle, adjusts measuring surface and calibration that securing member causes the calibrated bolck
One of facade of block fits；
The calibration of standard right angle block：Moving coordinate machine shifting axle, adjusts two that securing member causes the standard right angle block
Measuring surface facade adjacent with the two of calibration block fits, and according to the coordinate value of calibration block the coordinate value of standard right angle block is calculated；
The calibration block include boss and with the integrally formed base of the boss, the boss at least includes two mutually
Vertical side, the orthogonal side is the facade of calibration block, and the plane of the base is at least mutually hung down with one of them
Straight side intersects vertically.
Further, the securing member is by adjusting the second retaining mechanism and/or the second retaining mechanism to the calibrated bolck
And/or the calibration of standard right angle block.
Further, the step of calibrating to calibration block using gauge head is also included, two of the calibration block are adjacent
Facade is parallel with the two of coordinate system adjacent coordinates planes respectively.
Based on a kind of foregoing coordinate machine guiding locator, invention also provides a kind of coordinate machine is quickly fixed
Position method, including coordinate machine guiding locator as elucidated before, its localization method is comprised the following steps：
（1）, according to workpiece to be positioned determine select with which kind of feature canonical measure mechanism, the canonical measure mechanism
At least include with standard ball, calibrated bolck, standard right angle block feature；
（2）, coordinate value according to canonical measure mechanism and target location coordinate value, calculating the canonical measure mechanism needs
The position to be moved, control coordinate machine shifting axle drives canonical measure mechanism to target location；
（3）, workpiece to be positioned is fixed on the target location that canonical measure mechanism is guided.
Further, described workpiece to be positioned includes the workpiece with sphere, cylinder, plane class or cavernous structure.
Compared with prior art, advantages of the present invention and good effect are：The coordinate machine guiding locator of the present invention, leads to
Calculating is crossed, accurately canonical measure mechanism can be driven to target location, canonical measure mechanism especially fits as guiding mechanism
Crossed belt has being accurately positioned for the workpiece of sphere, cylinder or cavernous structure, and location efficiency is high.
After the detailed description of embodiment of the present invention is read in conjunction with the accompanying, the other features and advantages of the invention will become more
Plus it is clear.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of example structure schematic diagram of coordinate machine guiding locator proposed by the invention；
Fig. 2 is another example structure schematic diagram of coordinate machine guiding locator proposed by the invention；
Fig. 3 is a kind of structure of embodiment alignment block of coordinate machine guiding locator calibration steps proposed by the invention
Schematic diagram；
Fig. 4 is working state structure in a kind of embodiment of coordinate machine guiding locator calibration steps proposed by the invention
Schematic diagram.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment one, it is shown in Figure 1, it is the partial structural diagram of coordinate machine, including shifting axle 101, the present embodiment
A kind of coordinate machine guiding locator 102, the guiding locator 102 pass through securing member（Not shown in figure）It is installed in coordinate
On machine shifting axle 101, wherein, guiding locator 102 includes at least one in standard ball, calibrated bolck, standard right angle block；Institute
Calibrated bolck is stated including a measuring surface, and the measuring surface of calibrated bolck is parallel with one of coordinate plane under coordinate system；It is described
Standard right angle block include two orthogonal measuring surface, and two orthogonal measuring surface under coordinate system respectively with its
In two coordinate planes it is parallel.Show that guiding locator 102 includes the one of standard ball 103 and calibrated bolck 104 simultaneously in Fig. 1
Kind of situation, certainly, guiding locator 102 can also be separately provided according to actual needs it is above-mentioned in one kind, calibrated bolck 104
Measuring surface A is parallel with one of coordinate plane under coordinate system；It should be noted that also include standard right angle block in this Fig. 1,
Standard right angle block includes two orthogonal measuring surface, therefore, it can be on the basis of calibrated bolck 104, by arranging again
One block structure 105, block structure 105 have measuring surface B perpendicular with measuring surface A of calibrated bolck 104, and this two
Individual orthogonal measuring surface is parallel with two of which coordinate plane respectively under coordinate system, and the coordinate system is the seat of coordinate machine
Mark system.
Guiding locator 102 is installed on coordinate machine shifting axle 101, and it can be moved with shifting axle 101, in coordinate
In the coordinate system of machine, therefore, when if desired positioning for workpiece to be positioned, because the coordinate value of guiding locator 102 can be
It is determined that, only need to first control guiding locator 102 and run to target location, by workpiece to be positioned according to mark guiding locator
The position of 102 guiding can accurately position.Can be according to workpiece to be positioned using the guiding locator 102 of which kind of structure
Structure choice, such as, need to position spherical, arcuation or during the workpiece with cavernous structure, can select to adopt standard ball
103 guide positioning, such as, standard ball is driven to meeting sphere centre coordinate be（X1, Y1, Z1）, wherein,（X1,Y1）For mesh
Cursor position respectively in X-axis and the coordinate value of Y-axis, during fixed workpiece, only need to by the arc of workpiece or spheroid with standard ball in Z axis phase
Cut, or by the borehole jack of workpiece in standard ball, and the axial direction in hole is parallel with Z axis, therefore the workpiece is in X-axis and the coordinate of Y-axis
Value is（X1,Y1）, that is, target location is respectively in X-axis and the coordinate value of Y-axis.Certainly, above-mentioned is only that this coordinate power traction is led
The one of which application of positioner, any positioning that it can in a coordinate system on 3 coordinate directions.
Shown in Figure 2 as a preferred embodiment, securing member includes the central shaft for fixing the standard ball
201st, rotary sleeve 202, central shaft 201 passes through the sleeve of the rotary sleeve 202, by the first retaining mechanism 203 and the rotation
Set 202 is locked, and the standard ball 103 is fixed on one end of the central shaft 201, the other end of the central shaft 201
It is fixed on coordinate machine shifting axle.By arranging rotary sleeve, when the first retaining mechanism 203 is not locked, rotary sleeve 202 can be around
Central shaft 201 rotates, therefore, when needing to arrange calibrated bolck or during standard right angle block, by by calibrated bolck or standard right angle
Block is fixed with rotary sleeve 202, the position of convenient calibration calibrated bolck or standard right angle block.
For convenience securing member is fixed with coordinate machine shifting axle, and the other end of the central shaft 201 carries external screw thread（Figure
Not shown in）, with the thread bush being engaged with the external screw thread on coordinate machine shifting axle, facilitate this mark guiding locator
Installation and removal.
Shown in Figure 1 in order to further reduce the complexity of this device, coordinate machine includes gauge head 106, the gauge head 106
It is fixedly connected with coordinate machine shifting axle 101 by surveying seat 107, generally, gauge head 106 is connected with seat 107 is surveyed by screw thread
Connect, it is therefore preferable that the external screw thread for arranging central shaft 201 is consistent with the screw thread of gauge head 106, gauge head 106 can be backed out, fill this
Put and be fixedly connected with seat is surveyed by screw thread, without the need for separately setting thread bush exclusively for central shaft 201.Now, using the seat in Fig. 2
Mark machine guiding locator, the canonical measure mechanism, standard ball 103 and calibrated bolck 104 and block structure 105 in Fig. 1
Without the need for arranging.
It is shown in Figure 2, the present embodiment can canonical measure mechanism noted earlier include standard ball 103 on the basis of,
Increase calibrated bolck 104, the securing member also includes the support 108 for fixing the calibrated bolck 104, and the rotary sleeve 202 leads to
Cross the second retaining mechanism 204 and be fixed on the side of the support 108, the calibrated bolck 104 is fixed on by the 3rd retaining mechanism 205
The other side of the support 108.Calibrated bolck 104 has parallel with one of coordinate plane measuring surface A under coordinate system,
Because the coordinate of measuring surface A can be calculated, it is therefore possible to use measuring surface A is positioned on a certain change in coordinate axis direction.
Based on a kind of above-mentioned guiding locator, the guiding locator of the present embodiment includes standard ball and standard simultaneously
Right angle block, due to standard right angle block include two orthogonal measuring surface, therefore, its can on the basis of calibrated bolck 104,
By arranging a block structure 105 again, block structure 105 has the measurement perpendicular with measuring surface A of calibrated bolck 104
Face B, and two orthogonal measuring surface are parallel with two of which coordinate plane respectively under coordinate system.
Second retaining mechanism 204, the 3rd retaining mechanism 205 can adjust, and be respectively used to adjust calibrated bolck, standard right angle block
It is whole parallel with coordinate plane in coordinate system to meeting, adjust for convenience, the first described retaining mechanism 203, second locks machine
The retaining mechanism 205 of structure 204 or the 3rd preferably adopts screw.
Embodiment two, based on embodiment one in a kind of coordinate machine guiding locator, present embodiments provide above-mentioned seat
The calibration steps of mark machine guiding locator, including the coordinate machine guiding locator in embodiment one, it is shown in Figure 4, should
The calibration steps of device is comprised the following steps：
The coordinate machine guiding locator is calibrated；The guiding locator is standard ball, calibrated bolck, standard
At least one in right angle block, calibrating mode is respectively：
The calibration of standard ball：Moving coordinate machine shifting axle so that the standard ball is inscribed within the calibration block 3, using institute
The radius calculation of the coordinate value and standard ball of stating calibration block 3 goes out the coordinate value of the standard ball centre of sphere；
The calibration of calibrated bolck：Moving coordinate machine shifting axle, adjusts measuring surface and calibration that securing member causes the calibrated bolck
One of facade of block 3 fits；
The calibration of standard right angle block：Moving coordinate machine shifting axle, adjusts two that securing member causes the standard right angle block
Measuring surface fits with two adjacent facades of calibration block 3, and according to the coordinate value of calibration block the coordinate value of standard right angle block is calculated；
As shown in figure 3, the calibration block 3 include boss 301 and with the integrally formed base 302 of the boss 301, it is described
Boss 301 at least includes two orthogonal side C faces and D faces, and the orthogonal side is the facade of calibration block, described
Plane E of base 302 at least intersects vertically with one of them orthogonal side, and such as in the present embodiment, plane E and C faces are hung down
It is straight intersecting.
The setting of this method is that, based on the operation principle of coordinate machine guiding locator, the coordinate machine guiding locator is used
In carrying out position guiding for workpiece to be positioned, therefore, ensure first coordinate machine guiding locator in a coordinate system position be can
Calculate, and need to ensure the scale function of the coordinate machine guiding locator, that is, such as, canonical measure mechanism is mark
During quasi- ball, if calibrated piece of coordinate value when being inscribed within calibration block for being to calculate if basic point standard ball, when needing to drive
When dynamic standard ball is to target location, the coordinate of target location need to be only obtained, you can calculate the path that standard ball should be driven to walk,
To realize being accurately positioned this guiding locator, and then can realize accurately guiding workpiece to be positioned.In guiding positioning
During, because this guiding locator can play a part of scale, therefore, in calibration, calibration to calibrated bolck and
The calibration of standard right angle block, should make the measuring surface of calibrated bolck parallel with one of coordinate plane of coordinate system, or make standard
Two measuring surface of right angle block are parallel with two adjacent coordinates planes in coordinate system respectively.
The securing member is by the second retaining mechanism of adjustment and/or the second retaining mechanism to the calibrated bolck and/or standard
Right angle block is calibrated.
Additionally, by being calibrated using calibration block in the present embodiment, if coordinate machine itself is needed in addition without calibration block
If calibration block is set, also include the step of calibrating to calibration block using gauge head so that two of the calibration block are adjacent
Facade is parallel with the two of coordinate system adjacent coordinates planes respectively.
Embodiment three, based on the coordinate machine guiding locator in embodiment one, present embodiments provides a kind of coordinate machine
Method for rapidly positioning, including the coordinate machine guiding locator as described in embodiment one, the localization method of the present embodiment include with
Lower step：
（1）, according to workpiece to be positioned determine select with which kind of feature canonical measure mechanism, the canonical measure mechanism
At least include with standard ball, calibrated bolck, standard right angle block feature；
（2）, coordinate value according to canonical measure mechanism and target location coordinate value, calculating the canonical measure mechanism needs
The position to be moved, control coordinate machine shifting axle drives canonical measure mechanism to target location；
（3）, workpiece to be positioned is fixed on the target location that canonical measure mechanism is guided.
Described workpiece to be positioned can be the workpiece with sphere, cylinder, plane class or cavernous structure.This enforcement
Standard ball is especially suitable for into being accurately positioned for the workpiece with sphere, cylinder or cavernous structure as guiding mechanism in example,
Using standard right angle block as guiding mechanism, it is adapted to right angle class part, the ball part of known diameter and known diameter Cylinder Parts
Lean against on right angle or with two right-angle surfaces while the tangent positioning to determine the above-mentioned type part.And location efficiency is high.
Certainly, described above is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
Change, remodeling, addition or replacement that the those of ordinary skill in domain is made in the essential scope of the present invention, should also belong to this
Bright protection domain.
Claims (7)
1. a kind of coordinate machine guiding locator, it is characterised in that the guiding locator is installed in coordinate by securing member
On machine shifting axle, the guiding locator includes at least one in standard ball, calibrated bolck, standard right angle block；The standard
Block includes a measuring surface, and the measuring surface of calibrated bolck is parallel with one of coordinate plane under coordinate system；The standard straight
Hornblock include two orthogonal measuring surface, and two orthogonal measuring surface under coordinate system respectively with two of which
Coordinate plane is parallel, and the securing member includes central shaft, the rotary sleeve for fixing the standard ball, and the central shaft passes through institute
The sleeve of rotary sleeve is stated, is locked with the rotary sleeve by the first retaining mechanism, the standard ball is fixed on the center
One end of axle, the other end of the central shaft is fixed on coordinate machine shifting axle.
2. coordinate machine guiding locator according to claim 1, it is characterised in that the other end band of the central shaft
There is external screw thread, with the thread bush being engaged with the external screw thread on coordinate machine shifting axle.
3. coordinate machine guiding locator according to claim 1 and 2, it is characterised in that the guiding locator is same
When include standard ball and calibrated bolck or while during including standard ball and standard right angle block, the securing member is also included for consolidating
The support of the fixed calibrated bolck or standard right angle block, the rotary sleeve is fixed on the support one by the second retaining mechanism
Side, the calibrated bolck or standard right angle block are fixed on the other side of the support by the 3rd retaining mechanism.
4. coordinate machine guiding locator according to claim 3, it is characterised in that described the first retaining mechanism,
Two retaining mechanisms or the 3rd retaining mechanism are screw.
5. a kind of coordinate machine guiding locator calibration steps, it is characterised in that including any one of claim 1-5
Coordinate machine guiding locator, the calibration steps of the device is comprised the following steps：
The calibration of standard ball：Moving coordinate machine shifting axle so that the standard ball is inscribed within the calibration block, using the calibration
The coordinate value of block and the radius calculation of standard ball go out the coordinate value of the standard ball centre of sphere；
The calibration of calibrated bolck：Moving coordinate machine shifting axle, adjusts measuring surface and calibration block that securing member causes the calibrated bolck
One of facade fits；
The calibration of standard right angle block：Moving coordinate machine shifting axle, adjustment securing member causes two of the standard right angle block to measure
Face facade adjacent with the two of calibration block fits, and according to the coordinate value of calibration block the coordinate value of standard right angle block is calculated；
The calibration block include boss and with the integrally formed base of the boss, the boss is at least mutually perpendicular to including two
Side, the orthogonal side is the facade of calibration block, and the plane of the base is at least orthogonal with one of them
Side intersects vertically.
6. coordinate machine guiding locator calibration steps according to claim 5, it is characterised in that the securing member passes through
Adjust the second retaining mechanism and/or the 3rd retaining mechanism to calibrate the calibrated bolck and/or standard right angle block.
7. coordinate machine guiding locator calibration steps according to claim 6, it is characterised in that also include using gauge head
The step of calibration block is calibrated, two adjacent facades of the calibration block respectively with two adjacent coordinates planes of coordinate system
It is parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241503.8A CN104034228B (en) | 2014-06-03 | 2014-06-03 | Guided positioning device of coordinate machine, calibration method and positioning method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241503.8A CN104034228B (en) | 2014-06-03 | 2014-06-03 | Guided positioning device of coordinate machine, calibration method and positioning method |
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| Publication Number | Publication Date |
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| CN104034228A CN104034228A (en) | 2014-09-10 |
| CN104034228B true CN104034228B (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410241503.8A Active CN104034228B (en) | 2014-06-03 | 2014-06-03 | Guided positioning device of coordinate machine, calibration method and positioning method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7105769B2 (en) | 2016-11-16 | 2022-07-25 | レニショウ パブリック リミテッド カンパニー | Coordinate positioning device and method of operation |
| CN113776403B (en) * | 2021-08-04 | 2023-05-09 | 岚图汽车科技有限公司 | Calibration tool and calibration method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0078984A2 (en) * | 1981-11-07 | 1983-05-18 | Firma Carl Zeiss | Method of calibrating the sensors of coordinate measuring machines |
| CN102736554A (en) * | 2012-07-05 | 2012-10-17 | 浙江大学 | Method for designing heavy loading three-coordinate numerical control positioner based on rigidity matching |
| CN202964020U (en) * | 2012-11-22 | 2013-06-05 | 厦门理工学院 | XYZ space positioning device |
| CN203928957U (en) * | 2014-06-03 | 2014-11-05 | 海克斯康测量技术(青岛)有限公司 | Coordinate machine guiding locator |
-
2014
- 2014-06-03 CN CN201410241503.8A patent/CN104034228B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0078984A2 (en) * | 1981-11-07 | 1983-05-18 | Firma Carl Zeiss | Method of calibrating the sensors of coordinate measuring machines |
| CN102736554A (en) * | 2012-07-05 | 2012-10-17 | 浙江大学 | Method for designing heavy loading three-coordinate numerical control positioner based on rigidity matching |
| CN202964020U (en) * | 2012-11-22 | 2013-06-05 | 厦门理工学院 | XYZ space positioning device |
| CN203928957U (en) * | 2014-06-03 | 2014-11-05 | 海克斯康测量技术(青岛)有限公司 | Coordinate machine guiding locator |
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