CN109732403A - A kind of moving component repetitive positioning accuracy detector - Google Patents
A kind of moving component repetitive positioning accuracy detector Download PDFInfo
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- CN109732403A CN109732403A CN201910196539.1A CN201910196539A CN109732403A CN 109732403 A CN109732403 A CN 109732403A CN 201910196539 A CN201910196539 A CN 201910196539A CN 109732403 A CN109732403 A CN 109732403A
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- carrier module
- moving component
- positioning accuracy
- repetitive positioning
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Abstract
The invention discloses a kind of moving component repetitive positioning accuracy detectors, belong to machine tool accuracy fields of measurement, including 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, not in limitation and stirring on three directions, keep the data of measurement more targeted.
Description
Technical field
The invention belongs to machine tool accuracy fields of measurement more particularly to a kind of moving component repetitive positioning accuracy detector, energy
Enough moving component repetitive positioning accuracies that Motor execution component each on all kinds of lathes and motion structure repetitive positioning accuracy are detected
Detection.
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.
Summary of the invention
The purpose of the present invention is to provide a kind of moving component repetitive positioning accuracy detectors；It is adopted in order to achieve the above objectives
The technical solution taken is:
A kind of moving component repetitive positioning accuracy detector, including upper carrier module and lower carrier module, the upper carrier module
It is fixedly connected with lower carrier module by the way that bolt is detachable, upper half spherical groove is equipped at upper carrier module center, under
Lower half spherical groove is equipped at carrier module center, upper half spherical groove and lower half spherical groove form spherical receiving after fastening empty
Between, it is equipped with sensing sphere in spherical accommodation space, is uniformly pasted with multiple piezoelectric ceramic pieces, piezoelectricity on sensing spherome surface
Potsherd acts against on spherical accommodation space inner wall, is equipped on sensing sphere along three detection arms being arranged radially, three
Detection arm is stretched out except carrier module and lower carrier module and is distributed in space X, Y, Z three axes, in upper carrier module
Be correspondingly provided on lower carrier module for pass through detection arm semicircle through slot.
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.
The advantageous effect of present invention is that:
(1) the configuration of the present invention is simple, compact, overall dimensions are smaller, and the practicality is more when in face of limitation very big lathe
Extensively.
(2) drive mechanism of three-dimensional sliding stand of the invention is ball-screw, and transmitting accuracy is high, when measuring,
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 detonation configuration figure of Fig. 1；
Fig. 3 is the three-dimensional structure diagram for sensing sphere；
Fig. 4 is use state installation diagram of the invention.
Specific embodiment
The present invention is further described with reference to the accompanying drawing.
As shown in Figure 1 to Figure 3, a kind of moving component repetitive positioning accuracy detector, including upper carrier module 11 and downloading
Module 14, the upper carrier module 11 and lower carrier module 14 are fixedly connected by the way that bolt 16 is detachable, in upper carrier mould
It is equipped with upper half spherical groove at 11 center of block, lower half spherical groove, upper half spherical groove are equipped at lower 14 center of carrier module
Spherical accommodation space is formed after fastening with lower half spherical groove, sensing sphere 19 is equipped in spherical accommodation space, in sensor ball
Multiple piezoelectric ceramic pieces 18 are uniformly pasted on 19 surface of body, piezoelectric ceramic piece 18 acts against on spherical accommodation space inner wall,
It senses sphere 19 to be equipped with along three detection arms 13 being arranged radially, three detection arms 13 stretch out carrier module 11 under
It is distributed except carrier module 14 and in space X, Y, Z three axes, correspondence is set on upper carrier module 11 and lower carrier module 14
There is the semicircle through slot 15 for passing through detection arm 13.
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, above-mentioned moving component repetitive positioning accuracy detector is referred to as detector 1 for ease of description,
It is mounted on detection control apparatus in the use of the present invention, will test device 1, then will test control device and be mounted on corresponding processing
On lathe or machining center workbench, wherein detection control apparatus includes support plate 2, is fixed with three-dimensional in support plate 2
Sliding stand 3, detector 1 are mounted on the travelling arm of three-dimensional sliding stand 3；The movement of each dimension of the three-dimensional sliding stand 3 is logical
It crosses screw pair and realizes movement, lead screw is rotated by the drive of motor.
In the use of the present invention, 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 is three-dimensional
Two for moving horizontally direction and machining center moving component of sliding stand 3 move horizontally that direction is identical, the vertical position of detector 1
Setting rigidly fix the extension end for detecting arm 13 can with machining center moving component can also be carried out by that can increase necessary tooling
It is fixed.The movement speed and stroke of machining center moving component are set, while control three-dimensional sliding stand 3 moves horizontally direction
Sliding, allow the movement speed of detector 1 and stroke and machining center moving component to be consistent, in machining center moving component
Moving process in, the bounce of the space of component will be passed to by detecting arm 13 in real time and sense sphere 19 and act on piezoelectric ceramics
On piece 18, to generate piezoelectric signal, finally by the acquisition of different piezoelectric ceramic pieces 18 output electric signal, processing can be analyzed
Center movement 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, is adjusted three-dimensional sliding
The movement of all directions of dynamic platform 3 is so that detection 13 extension end of arm can rigidly fix with the moving component of machining center and can also lead to
Necessary tooling can be increased by, which crossing, is fixed.Since the machining center moving component forms of motion of milling machine is rotation and movement, when right
When machining center moving component based on milling carries out repetitive positioning accuracy detection, machining center moving component need to be rotated
Jerk value in journey is converted into fixed point jerk value, has concurrently set the movement speed and stroke of machining center moving component, simultaneously
The sliding for moving horizontally direction for controlling three-dimensional sliding stand 3, allow detector 1 movement speed and stroke and machining center movement portion
Part is consistent, and is rigidly connected by fixed position and detection arm 13, and fixed point jerk value is converted into piezoelectricity in measurement module and is made pottery
The piezoelectric signal of tile 18, the acquisition by the process to the output electric signal of piezoelectric ceramic pieces 18 different in measurement module, can
Space jerk value when analyzing machining center moving component at an arbitrary position, while also can get the accumulative fluctuation of entire stroke
Error.
Embodiment 3:
When implementing on Polyhedron processing center, support plate 2 is installed on machining center workbench, due in Polyhedron processing
The diversity of heart drive shaft moving component adjusts the movement of all directions of three-dimensional sliding stand 3 so that detection 13 extension end of arm can
Rigidly fixing with the moving component of machining center can also be fixed by that can increase necessary tooling.By setting different location
The movement speed and stroke of upper machining center moving component, while the sliding for moving horizontally direction of three-dimensional sliding stand 3 is controlled, it allows
The movement speed and stroke and machining center moving component of detector 1 be consistent, and moving component is moved through in machining center
Cheng Zhong can make piezoelectric ceramic piece generate piezoelectric signal, the output 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, while also can get whole
The accumulative fluctuating error of a stroke.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
But these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (7)
1. a kind of moving component repetitive positioning accuracy detector, which is characterized in that including upper carrier module and lower carrier module, institute
It states carrier module and is fixedly connected with lower carrier module by the way that bolt is detachable, episphere is equipped at upper carrier module center
Connected in star is equipped with lower half spherical groove, shape after upper half spherical groove and lower half spherical groove fasten at lower carrier module center
Balling-up shape accommodation space is equipped with sensing sphere in spherical accommodation space, is uniformly pasted with multiple pressures on sensing spherome surface
Electroceramics piece, piezoelectric ceramic piece act against on spherical accommodation space inner wall, are equipped on sensing sphere along three be arranged radially
A detection arm, three detection arms are stretched out except carrier module and lower carrier module and are distributed in space X, Y, Z three axes,
The semicircle through slot for passing through detection arm is correspondingly provided on upper carrier module and lower carrier module.
2. moving component repetitive positioning accuracy detector according to claim 1, which is characterized in that the detection arm and half
Interval and interval, which are equipped with, between circle through slot is greater than the maximum vibration amplitude of detection arm.
3. moving component repetitive positioning accuracy detector according to claim 1, which is characterized in that in sensing spherome surface
Upper uniformly calibration has multiple coordinate points, and connection plane is made as at coordinate points, and the piezoelectric ceramic piece correspondence is pasted onto connection
In plane.
4. moving component repetitive positioning accuracy detector according to any one of claims 1 to 3, which is characterized in that under
Positioning pin there are two setting on carrier module is equipped with the dowel hole that effect is matched with positioning pin on upper carrier module.
5. moving component repetitive positioning accuracy detector according to any one of claims 1 to 3, which is characterized in that described
It is threadedly coupled between detection arm and sensing sphere.
6. moving component repetitive positioning accuracy detector according to claim 5, which is characterized in that right on sensing sphere
It is mounting plane in requisition for installation detection arm, the detection arm is threaded on corresponding mounting plane.
7. moving component repetitive positioning accuracy detector according to any one of claims 1 to 3, which is characterized in that examining
Test arm is equipped with the plane notch for blocking spanner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910196539.1A CN109732403B (en) | 2019-03-15 | 2019-03-15 | Moving part repeated positioning precision detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910196539.1A CN109732403B (en) | 2019-03-15 | 2019-03-15 | Moving part repeated positioning precision detector |
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| CN109732403A true CN109732403A (en) | 2019-05-10 |
| CN109732403B CN109732403B (en) | 2020-08-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812647A (en) * | 2022-03-30 | 2022-07-29 | 西北核技术研究所 | Direction-adjustable sensor mounting base and mounting method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940335A (en) * | 2014-04-25 | 2014-07-23 | 南京埃斯顿机器人工程有限公司 | Device for measuring repeated positioning accuracy of industrial robot |
| CN104535029A (en) * | 2014-12-30 | 2015-04-22 | 苏州博众精工科技有限公司 | Three-dimensional detection mechanism for repeated positioning |
| CN105479271A (en) * | 2016-01-29 | 2016-04-13 | 电子科技大学 | Sphere center centring and positioning device for five-axis machine tool error synchronous detection mechanism |
| CN106584513A (en) * | 2017-01-26 | 2017-04-26 | 武汉延锋时代检测技术股份有限公司 | Industrial robot repeated positioning accuracy testing method and industrial robot repeated positioning accuracy testing device |
| CN108177024A (en) * | 2018-03-21 | 2018-06-19 | 吉林大学 | Knife rest positioning accuracy and repetitive positioning accuracy detection device and application method |
| JP6419380B1 (en) * | 2018-06-28 | 2018-11-07 | 株式会社浅沼技研 | Inspection master |
| CN208117408U (en) * | 2018-03-21 | 2018-11-20 | 吉林大学 | Knife rest positioning accuracy and repetitive positioning accuracy detection device |
-
2019
- 2019-03-15 CN CN201910196539.1A patent/CN109732403B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940335A (en) * | 2014-04-25 | 2014-07-23 | 南京埃斯顿机器人工程有限公司 | Device for measuring repeated positioning accuracy of industrial robot |
| CN104535029A (en) * | 2014-12-30 | 2015-04-22 | 苏州博众精工科技有限公司 | Three-dimensional detection mechanism for repeated positioning |
| CN105479271A (en) * | 2016-01-29 | 2016-04-13 | 电子科技大学 | Sphere center centring and positioning device for five-axis machine tool error synchronous detection mechanism |
| CN106584513A (en) * | 2017-01-26 | 2017-04-26 | 武汉延锋时代检测技术股份有限公司 | Industrial robot repeated positioning accuracy testing method and industrial robot repeated positioning accuracy testing device |
| CN108177024A (en) * | 2018-03-21 | 2018-06-19 | 吉林大学 | Knife rest positioning accuracy and repetitive positioning accuracy detection device and application method |
| CN208117408U (en) * | 2018-03-21 | 2018-11-20 | 吉林大学 | Knife rest positioning accuracy and repetitive positioning accuracy detection device |
| JP6419380B1 (en) * | 2018-06-28 | 2018-11-07 | 株式会社浅沼技研 | Inspection master |
Non-Patent Citations (1)
| Title |
|---|
| 李瑜等: "基于激光干涉仪的机床精度检测及误差补偿创新实验设计", 《实验技术与管理》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812647A (en) * | 2022-03-30 | 2022-07-29 | 西北核技术研究所 | Direction-adjustable sensor mounting base and mounting method thereof |
| CN114812647B (en) * | 2022-03-30 | 2024-03-12 | 西北核技术研究所 | Direction-adjustable sensor mounting seat and mounting method thereof |
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| CN109732403B (en) | 2020-08-18 |
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