CN209281228U - A kind of sensing device for the detection of moving component repetitive positioning accuracy - Google Patents
A kind of sensing device for the detection of moving component repetitive positioning accuracy Download PDFInfo
- Publication number
- CN209281228U CN209281228U CN201920328327.XU CN201920328327U CN209281228U CN 209281228 U CN209281228 U CN 209281228U CN 201920328327 U CN201920328327 U CN 201920328327U CN 209281228 U CN209281228 U CN 209281228U
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- Prior art keywords
- carrier module
- detection
- sensing
- moving component
- positioning accuracy
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- 238000001514 detection method Methods 0.000 title claims abstract description 57
- 230000003252 repetitive effect Effects 0.000 title claims abstract description 23
- 239000000919 ceramic Substances 0.000 claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 12
- 230000004308 accommodation Effects 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000036461 convulsion Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004556 laser interferometry Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Abstract
The utility model discloses a kind of sensing device for the detection of moving component repetitive positioning accuracy, including motion control mechanism and testing agency, testing agency's installation is on the motion control mechanism；Testing agency includes upper carrier module and lower carrier module, upper half spherical groove is equipped at upper carrier module center, lower half spherical groove is equipped at lower carrier module center, upper half spherical groove and lower half spherical groove form spherical accommodation space after fastening, sensing sphere is equipped in spherical accommodation space, multiple piezoelectric ceramic pieces are uniformly pasted on sensing spherome surface, it is equipped on sensing sphere along three detection arms being arranged radially, three detection arms stretch out except carrier module and lower carrier module and in space X, Y, the distribution of Z three axes, the semicircle through slot for passing through detection arm is correspondingly provided on upper carrier module and lower carrier module；Multi-angle piezoelectric ceramic piece can reflect the undulate quantity of tested cutter in all directions in real time.
Description
Technical field
The utility model belongs to machine tool accuracy fields of measurement, more particularly to a kind of for the inspection of moving component repetitive positioning accuracy
The sensing device of survey, the movement portion that Motor execution component each on all kinds of lathes and motion structure repetitive positioning accuracy can be detected
The detection of part repetitive positioning accuracy.
Background technique
In machine processing system, the precision of point of a knife point motion profile be the key that influence workpiece surface machining accuracy because
Element, either uniaxial or multiple axes system, carrying out verification to the movement mechanism repetitive positioning accuracy of driving cutter is to guarantee lathe
The key of repetitive positioning accuracy reliability.The drive shaft number motion state of existing machine tool motion component specifically includes that uniaxial fortune
Link compound motion in the space of dynamic (linear motion, rotation and compound motion) and multiaxis, no matter that motion state, due to sky
Between and position limitation, the repetitive positioning accuracy verified during cutter drives shaft movement mechanism motion state is all difficult
's.
China Patent Publication No. CN108177024A, discloses a kind of knife rest positioning accuracy and repetitive positioning accuracy detection fills
It sets and application method, knife rest user and knife rest reliability test angle is mainly based upon, using laser interferometry means pair
Different types of numerical control horizontal servo saddle carries out general quickly and easily positioning accuracy and repetition in the case where not tearing cutterhead open
The detection device of positioning accuracy detection, complicated integral structure, required precision is relatively high, at high cost, can't fully meet needs.
Utility model content
The purpose of this utility model is to provide a kind of sensing devices for the detection of moving component repetitive positioning accuracy；For
Reach above-mentioned purpose to be adopted the technical scheme that:
A kind of sensing device for the detection of moving component repetitive positioning accuracy, including motion control mechanism and detection machine
Structure, testing agency's installation is on the motion control mechanism；
The motion control mechanism includes support plate, is fixed with three-dimensional sliding stand, testing agency's peace on the supporting plate
On the vertical sliding arm of three-dimensional sliding stand；The testing agency includes upper carrier module and lower carrier module, described to upload
Module is fixedly connected with lower carrier module by the way that bolt is detachable, and the lower carrier module bottom is fixedly connected on three-dimensional cunning
On the vertical sliding arm of dynamic platform, it is equipped with upper half spherical groove at upper carrier module center, is equipped at lower carrier module center
Lower half spherical groove, upper half spherical groove and lower half spherical groove form spherical accommodation space after fastening, in spherical accommodation space
It is interior to be equipped with sensing sphere, multiple piezoelectric ceramic pieces are uniformly pasted on sensing spherome surface, piezoelectric ceramic piece acts against spherical shape
On accommodation space inner wall, it is equipped on sensing sphere along three detection arms being arranged radially, three detection arms are stretched out and uploaded
It is distributed except module and lower carrier module and in space X, Y, Z three axes, it is right on upper carrier module and lower carrier module
It should be equipped with for the semicircle through slot across detection arm.
Preferably, interval and interval are equipped between the detection arm and semicircle through slot and are greater than the maximum vibration width of detection arm
Degree.
Preferably, uniformly calibration has multiple coordinate points on sensing spherome surface, and connection plane is made as at coordinate points,
The piezoelectric ceramic piece is corresponding to be pasted onto connection plane.
Preferably, positioning pin there are two setting on lower carrier module is equipped on upper carrier module and matches with positioning pin
The dowel hole of effect.
Preferably, it is threadedly coupled between the detection arm and sensing sphere.
It preferably, is mounting plane at arm to being detected in requisition for installation on sensing sphere, the detection arm is threadedly coupled
On corresponding mounting plane.
Preferably, the plane notch for blocking spanner is equipped on detection arm.
It is had the beneficial effect that possessed by the utility model
(1) the utility model structure is simple, compact, and overall dimensions are smaller, when in face of limitation very big lathe in fact
It is more extensive with property.
(2) drive mechanism of the three-dimensional sliding stand of the utility model is ball-screw, and transmitting accuracy is high, is being measured
When, it can accurately reflect out the situation of change of cutter.
(3) multi-angle piezoelectric ceramic piece can reflect the undulate quantity of tested cutter in all directions in real time, not limit to
With stirring on three directions, keep the data of measurement more targeted.
(4) three-dimensional detection arm can connect the cutter on three directions, can measure three in conjunction with the effect of three-dimensional sliding stand
Cutter repeatable accuracy on direction, increases the scope of application of device.
Detailed description of the invention
Fig. 1 is three-dimensional structure diagram of the invention；
Fig. 2 is the three-dimensional structure diagram of Tu1Zhong testing agency；
Fig. 3 is the detonation configuration figure of Fig. 2；
Fig. 4 is the three-dimensional structure diagram for sensing sphere.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
As shown in Figure 1 to Figure 3, the utility model includes upper carrier module 11 and lower carrier module 14, the upper carrier mould
Block 11 is fixedly connected with lower carrier module 14 by the way that bolt 16 is detachable, and it is spherical that upper half is equipped at upper 11 center of carrier module
Groove is equipped with lower half spherical groove, shape after upper half spherical groove and lower half spherical groove fasten at lower 14 center of carrier module
Balling-up shape accommodation space is equipped with sensing sphere 19 in spherical accommodation space, is uniformly pasted on sensing 19 surface of sphere more
A piezoelectric ceramic piece 18, piezoelectric ceramic piece 18 act against on spherical accommodation space inner wall, are equipped on sensing sphere 19 along diameter
To three detection arms 13 of setting, three detection arms 13 stretch out except carrier module 11 and lower carrier module 14 and in space
X, Y, Z three axes are distributed, and half for passing through detection arm 13 is correspondingly provided on upper carrier module 11 and lower carrier module 14
Circle through slot 15.
Wherein, interval and interval are equipped between the detection arm 13 and semicircle through slot 15 and are greater than the maximum vibration of detection arm 13
Amplitude detects more acurrate so that detection arm is unaffected during detection.
In order to which the installation and production of piezoelectric ceramic piece 18 and detection arm 13 are simpler easy, on sensing 19 surface of sphere
Uniformly calibration has multiple coordinate points, and connection plane is made as at coordinate points, and the correspondence of piezoelectric ceramic piece 18 is pasted onto connection
In plane；It is threadedly coupled between the detection arm 13 and sensing sphere 19, detects arm in requisition for installation on sensing sphere 19
It is mounting plane 110 at 13, screw-threaded counterbore is equipped on mounting plane 110, the detection arm 13 is threaded in corresponding installation
In plane 110, while equipped with the plane notch 12 for blocking spanner on detection arm 13.
It is empty to form a spherical receiving in order to play pre-determined bit in upper carrier module 11 and the assembly of lower carrier module 14
Between, it is set on lower carrier module 14 there are two positioning pin 17,11 are equipped with and match effect with positioning pin 17 on upper carrier module
Dowel hole.
As shown in figure 4, the invention also discloses one kind with as described above for moving component resetting essence
The repetitive positioning accuracy sensing device for spending the sensing device of detection, will be used for moving component repetitive positioning accuracy for ease of description
The sensing device of detection is referred to as detector 1, repetitive positioning accuracy detection device is referred to as detection device comprising support plate
2, three-dimensional sliding stand 3 is fixed in support plate 2, detector 1 is mounted on the travelling arm of three-dimensional sliding stand 3；It is described three-dimensional sliding
The movement of each dimension of dynamic platform 3 is realized by screw pair moves, and lead screw is rotated by the drive of motor and (is not necessarily to herein
Modification).
When the utility model is used, being divided into following several situations according to the difference of effective object and movement:
Embodiment 1:
When implementing on the machining center based on turning, support plate 2 is installed on machining center workbench, it is ensured that bottom
Two for moving horizontally direction and machining center moving component of three-dimensional sliding stand 3 move horizontally that direction is identical, detector 1 it is perpendicular
Straight position rigidly fix the extension end for detecting arm 13 can with machining center moving component can also be by that can increase necessary tooling
It is fixed.The movement speed and stroke of machining center moving component are set, while controlling moving horizontally for three-dimensional sliding stand 3
The sliding in direction allows the movement speed of detector 1 and stroke and machining center moving component to be consistent, moves in machining center
In the moving process of component, the space bounce of component will pass to sensing sphere 19 by detection arm 13 in real time and act on piezoelectricity
On potsherd 18, to generate piezoelectric signal, finally by the acquisition of different piezoelectric ceramic pieces 18 output electric signal, it can analyze
Machining center moving component at an arbitrary position when space jerk value, while also can get the accumulative fluctuating error of entire stroke.
Embodiment 2:
When implementing on the machining center based on milling, support plate 2 is installed on machining center workbench, adjustment three
The movement of all directions of sliding stand 3 is tieed up so that detection 13 extension end of arm can be rigidly fixed with the moving component of machining center
To be fixed by the way that necessary tooling can be increased.Since the machining center moving component forms of motion of milling machine is rotation and is moved,
When carrying out repetitive positioning accuracy detection to the machining center moving component based on milling, machining center moving component need to be turned
Jerk value during dynamic is converted into fixed point jerk value, has concurrently set the movement speed and stroke of machining center moving component,
The sliding for moving horizontally direction of three-dimensional sliding stand 3 is controlled simultaneously, allows the movement speed and stroke and machining center fortune of detector 1
Dynamic component is consistent, and is rigidly connected by fixed position and detection arm 13, fixed point jerk value is converted into measurement module and is pressed
The piezoelectric signal of electroceramics piece 18 passes through the process adopting to the output electric signals of piezoelectric ceramic pieces 18 different in measurement module
Collection, space jerk value when can analyze machining center moving component at an arbitrary position, while also can get the tired of entire stroke
Count fluctuating error.
Embodiment 3:
When implementing on Polyhedron processing center, support plate 2 is installed on machining center workbench, due to polyhedron plus
The diversity of work central actuating shaft moving component adjusts the movement of all directions of three-dimensional sliding stand 3 so that detection arm 13 stretches out
End can rigidly fix with the moving component of machining center and can also be fixed by that can increase necessary tooling.It is different by setting
The movement speed and stroke of machining center moving component on position, while controlling the cunning for moving horizontally direction of three-dimensional sliding stand 3
It is dynamic, allow the movement speed of detector 1 and stroke and machining center moving component to be consistent, the shifting of moving component in machining center
During dynamic, piezoelectric ceramic piece can be made to generate piezoelectric signal, by the process to piezoelectric ceramic pieces different in measurement module
The acquisition of electric signal, space jerk value when can analyze machining center moving component at an arbitrary position are exported, while can also be obtained
Obtain the accumulative fluctuating error of entire stroke.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, but these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (7)
1. a kind of sensing device for the detection of moving component repetitive positioning accuracy, which is characterized in that including motion control mechanism
And testing agency, testing agency's installation is on the motion control mechanism；
The motion control mechanism includes support plate, is fixed with three-dimensional sliding stand on the supporting plate, and the testing agency is mounted on
On the vertical sliding arm of three-dimensional sliding stand；The testing agency includes upper carrier module and lower carrier module, the upper carrier mould
Block is fixedly connected with lower carrier module by the way that bolt is detachable, and the lower carrier module bottom is fixedly connected on three-dimensional sliding stand
Vertical sliding arm on, at upper carrier module center be equipped with upper half spherical groove, at lower carrier module center be equipped with lower half
Spherical groove, upper half spherical groove and lower half spherical groove form spherical accommodation space after fastening, set in spherical accommodation space
There is sensing sphere, is uniformly pasted with multiple piezoelectric ceramic pieces on sensing spherome surface, piezoelectric ceramic piece acts against spherical receiving
On space wall, it is equipped on sensing sphere along three detection arms being arranged radially, three detection arms stretch out carrier mould
It is distributed except block and lower carrier module and in space X, Y, Z three axes, correspondence is set on upper carrier module and lower carrier module
There is the semicircle through slot for passing through detection arm.
2. the sensing device according to claim 1 for the detection of moving component repetitive positioning accuracy, which is characterized in that institute
It states and is equipped with interval between detection arm and semicircle through slot and is spaced the maximum vibration amplitude for being greater than detection arm.
3. the sensing device according to claim 1 for the detection of moving component repetitive positioning accuracy, which is characterized in that
Uniformly calibration has multiple coordinate points on sensing spherome surface, and connection plane, the piezoelectric ceramic piece pair are made as at coordinate points
It should be pasted onto connection plane.
4. the sensing device according to any one of claims 1 to 3 for the detection of moving component repetitive positioning accuracy, special
Sign is, sets that there are two positioning pins on lower carrier module, is equipped on upper carrier module and matches determining for effect with positioning pin
Position pin hole.
5. the sensing device according to any one of claims 1 to 3 for the detection of moving component repetitive positioning accuracy, special
Sign is, is threadedly coupled between the detection arm and sensing sphere.
6. the sensing device according to claim 5 for the detection of moving component repetitive positioning accuracy, which is characterized in that
Sensing on sphere is mounting plane at arm to detecting in requisition for installation, and the detection arm is threaded on corresponding mounting plane.
7. the sensing device according to any one of claims 1 to 3 for the detection of moving component repetitive positioning accuracy, special
Sign is, the plane notch for blocking spanner is equipped on detection arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920328327.XU CN209281228U (en) | 2019-03-15 | 2019-03-15 | A kind of sensing device for the detection of moving component repetitive positioning accuracy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920328327.XU CN209281228U (en) | 2019-03-15 | 2019-03-15 | A kind of sensing device for the detection of moving component repetitive positioning accuracy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209281228U true CN209281228U (en) | 2019-08-20 |
Family
ID=67606614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920328327.XU Expired - Fee Related CN209281228U (en) | 2019-03-15 | 2019-03-15 | A kind of sensing device for the detection of moving component repetitive positioning accuracy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209281228U (en) |
-
2019
- 2019-03-15 CN CN201920328327.XU patent/CN209281228U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190820 |
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| CF01 | Termination of patent right due to non-payment of annual fee |