CN205482812U - Big work piece high -precision laser measures numerical control device - Google Patents
Big work piece high -precision laser measures numerical control device Download PDFInfo
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- CN205482812U CN205482812U CN201620077773.4U CN201620077773U CN205482812U CN 205482812 U CN205482812 U CN 205482812U CN 201620077773 U CN201620077773 U CN 201620077773U CN 205482812 U CN205482812 U CN 205482812U
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- semiconductor laser
- linear motion
- numerical control
- motion platform
- control device
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Abstract
The utility model relates to a big work piece high -precision laser measures numerical control device, the device set up in the bottom of vertical lathe knife rest, including raster displacement detecting system, step motor, semiconductor laser gauge head, linear motion platform, numerical control system, raster displacement detecting system, semiconductor laser gauge head, two step motor set up on the linear motion platform, and two step motor control the X axle and the motion of Z axle direction of semiconductor laser gauge head respectively, raster displacement detecting system, semiconductor laser gauge head, linear motion platform all are connected with numerical control system through the communications cable. The advantage is: the on line measurement of the external diameter of automatic to complete the processing of work piece, circularity, axiality parameter has realized the purpose of high precision measurement large sized part size.
Description
Technical field
This utility model relates to a kind of measurement numerical control device, particularly relates to a kind of big workpiece high-precision laser and measures numerical control device.
Background technology
At present, the measurement of big machinery part still uses traditional measuring method, certainty of measurement can reach 7,8 grades, there is the shortcomings such as laborious, time-consuming, certainty of measurement is low, measurement result is unstable, can not meet the requirement of production, particularly with high accuracy, heavy parts, size lies substantially in the state that cannot measure.
Application number: 92103740.6, patent name is " high precisely measuring large part inside and outside diameter by laser device and method ", and disclosed device includes laser instrument；The long unit of survey being made up of laser length meter and guide rail；Laser alignment that the fiber coupler that by single-mode fiber and is separately fixed at its two ends, fiber exit head with light-receiving target are constituted, auto-collimation unit；It is coated with the measurement head that the pentagonal prism of semi-transparent semi-reflecting film photelectric receiver together with fixed thereto is constituted by one piece；The parts such as aiming that this measurement head by guide supporting and forms with the absorption magnetic location block in measured workpiece diameter both sides and photelectric receiver fixed thereon, positioning unit.This patent is in distance measuring sensor principle, uses the method that laser is directly found range, and measures distance, and precision is poor.
Summary of the invention
For overcoming the deficiencies in the prior art, the purpose of this utility model is to provide a kind of big workpiece high-precision laser and measures numerical control device, can accurately measure big workpiece size in the course of processing, time saving and energy saving.
For achieving the above object, this utility model is achieved through the following technical solutions:
A kind of big workpiece high-precision laser measures numerical control device, this device is arranged on the bottom of Vertical lathe tool rest, including Raster Displacement Detection System, motor, Semiconductor Laser Probe, linear motion platform, digital control system, Raster Displacement Detection System, Semiconductor Laser Probe, two motors are arranged on linear motion platform, and two motors control X-axis and the Z-direction motion of Semiconductor Laser Probe respectively；Raster Displacement Detection System, Semiconductor Laser Probe, linear motion platform are all connected with digital control system by the communications cable.
Mobile slide block that the X-direction that is included in described linear motion platform moves, the electric expansion bar moved in Z-direction, mobile slide block and a motor connection；Electric expansion bar is connected with another motor.
Described Raster Displacement Detection System is fixed on linear motion platform, and Raster Displacement Detection System length direction is parallel with X-axis.
Described Semiconductor Laser Probe is fixed on electric expansion boom end.
Compared with prior art, the beneficial effects of the utility model are:
It is automatically performed the processing external diameter of workpiece, circularity, the on-line measurement of axiality parameter, it is achieved that the purpose of high precisely measuring large accessory size.Utilize step motor control Semiconductor Laser Probe, Raster Displacement Detection System displacement, the measurement position that fixing offer is stable, make measurement result stable, time saving and energy saving；Use Semiconductor Laser Probe to coordinate Raster Displacement Detection System, improve certainty of measurement.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is upward view of the present utility model.
Fig. 3 is measuring principle figure.
Fig. 4 is digital control system control flow chart.
In figure: 1-workpiece 2-Semiconductor Laser Probe 3-linear motion platform 4-Raster Displacement Detection System 5-motor 6-Vertical lathe tool rest 7-moves slide block 8-electric expansion bar.
Detailed description of the invention
Below in conjunction with Figure of description, this utility model is described in detail, it should be noted that enforcement of the present utility model is not limited to following embodiment.
See Fig. 1, Fig. 2, a kind of big workpiece 1 high-precision laser measures numerical control device, this device is arranged on the bottom of Vertical lathe tool rest 6, including Raster Displacement Detection System 4, motor 5, Semiconductor Laser Probe 2, linear motion platform 3, digital control system, Raster Displacement Detection System 4,2, two motors 5 of Semiconductor Laser Probe are arranged on linear motion platform 3, and two motors 5 control X-axis and the Z-direction motion of Semiconductor Laser Probe 2 respectively；Raster Displacement Detection System 4, Semiconductor Laser Probe 2, linear motion platform 3 are all connected with digital control system by the communications cable.Semiconductor Laser Probe 2 is fixed on electric expansion bar 8 end.
Wherein, linear motion platform 3 is included in the mobile slide block 7 that X-direction moves, the electric expansion bar 8 moved in Z-direction, and mobile slide block 7 is connected by ball-screw and a motor 5, and mobile slide block 7 is driven by ball-screw and moves in X-direction；Electric expansion bar 8 is connected with another motor 5.It is fixed with electric expansion bar 8 on mobile slide block 7.
Raster Displacement Detection System 4 is fixed on linear motion platform 3, and Raster Displacement Detection System 4 length direction is parallel with X-axis.
It is automatically performed the processing external diameter of workpiece 1, circularity, the on-line measurement of axiality parameter, it is achieved the X-direction motion of Semiconductor Laser Probe 2 and two motors 5 of Z-direction motion are contained on linear motion platform 3.Digital control system includes that the process of measurement of setting module, control module, measurement module, computing module, display module and off-line programing, Semiconductor Laser Probe 2, Raster Displacement Detection System 4, linear motion platform 3 are connected by the communications cable with digital control system.
Semiconductor Laser Probe 2 launches laser, the light reflected by reception to workpiece 1 measured surface, determines the Y-axis coordinate figure measuring point relative to datum plane.The change in location value that Precision Linear Stage 3 is moved by Raster Displacement Detection System 4 in X-direction, feeds back to digital control system.Linear motion platform 3 makes the Semiconductor Laser Probe 2 being fixed on electric expansion bar 8 end along the measurement orbiting motion of preprogramming under the control of digital control system.
See Fig. 4, setting module in digital control system can setting measurement point and mobile route, control module controls this device by setting measurement point and mobile route and carries out automatic measurement, the measured point X-axis collected, Y-axis, Z axis coordinate are returned digital control system by measurement module, computing module calculates corresponding parameters precision, and display module finally shows makes synthesis precision evaluation to workpiece 1.
See that Fig. 3, Cleaning Principle of the present utility model are:
External diameter detect: according to mathematical knowledge understand the most on the same line 3 can determine that a circle, it is contemplated that ordinary circumstance during measurement, i.e. measure systematic optical axis direction not vertical with workpiece 1 axis.H1, H2 are three X-axis spacing measuring point, and the measurement point measuring system is respectively A, B, C 3 point, and datum mark is respectively s1, s2, s3 to the measured value measured.Make vertical line from point, point respectively, can obtain the value of chord length AB, BC, AC according to Pythagorean theorem:
Make AB=a, BC=b, AC=c, then by the Atria length of side with circumscribed circle diameter relation it follows that
Measured workpiece 1 diameter can be obtained.
Deviation from circular from detects: workpiece 1 detection can be used the on-line checking in the course of processing, the center of workpiece 1 must be the centre of gyration.Radial direction along workpiece to be machined 1 adjusts Semiconductor Laser Probe 2 makes its reading minimum, this point must overlap with the system optical axis of laser feeler with the circle center line connecting of workpiece 1, now stops mobile, is locked at each for detecting system position, make workpiece 1 revolve one-turn, measure multiple yiValue, then the deviation from circular from f of workpiece 1RIt is fR=ymax-ymin。
This utility model is automatically performed the processing external diameter of workpiece 1, circularity, the on-line measurement of axiality parameter, it is achieved that the purpose of high precisely measuring large accessory size.Motor 5 is utilized to control Semiconductor Laser Probe 2, Raster Displacement Detection System 4 displacement, the measurement position that fixing offer is stable, make measurement result stable, time saving and energy saving；Use Semiconductor Laser Probe 2 to coordinate Raster Displacement Detection System 4, improve certainty of measurement.
Claims (4)
1. a big workpiece high-precision laser measures numerical control device, it is characterised in that this device is arranged on Vertical lathe tool rest
Bottom, including Raster Displacement Detection System, motor, Semiconductor Laser Probe, linear motion platform, digital control system,
Raster Displacement Detection System, Semiconductor Laser Probe, two motors are arranged on linear motion platform, two stepping electricity
Machine controls X-axis and the Z-direction motion of Semiconductor Laser Probe respectively；Raster Displacement Detection System, Semiconductor Laser Probe,
Linear motion platform is all connected with digital control system by the communications cable.
One the most according to claim 1 big workpiece high-precision laser measures numerical control device, it is characterised in that described
Linear motion platform be included in the mobile slide block that X-direction moves, the electric expansion bar moved in Z-direction, mobile sliding
Block and a motor connect；Electric expansion bar is connected with another motor.
One the most according to claim 1 big workpiece high-precision laser measures numerical control device, it is characterised in that described
Raster Displacement Detection System be fixed on linear motion platform, Raster Displacement Detection System length direction is parallel with X-axis.
One the most according to claim 1 big workpiece high-precision laser measures numerical control device, it is characterised in that described
Semiconductor Laser Probe be fixed on electric expansion boom end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620077773.4U CN205482812U (en) | 2016-01-26 | 2016-01-26 | Big work piece high -precision laser measures numerical control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620077773.4U CN205482812U (en) | 2016-01-26 | 2016-01-26 | Big work piece high -precision laser measures numerical control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205482812U true CN205482812U (en) | 2016-08-17 |
Family
ID=56618737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620077773.4U Expired - Fee Related CN205482812U (en) | 2016-01-26 | 2016-01-26 | Big work piece high -precision laser measures numerical control device |
Country Status (1)
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| CN (1) | CN205482812U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132022A (en) * | 2017-12-05 | 2018-06-08 | 航天材料及工艺研究所 | A kind of deformation measuring device of large diameter thin wall babinet |
| CN108319299A (en) * | 2017-11-30 | 2018-07-24 | 北京工业大学 | A kind of regulating device, measurement and the compensation method of more gauge head setting angles |
| CN108608260A (en) * | 2018-07-28 | 2018-10-02 | 重庆宏钢数控机床有限公司 | Disk class groove part self-operated measuring unit |
| CN109947140A (en) * | 2019-04-03 | 2019-06-28 | 辽宁科技大学 | A kind of 5DOF laser alignment micromatic setting and its adjusting method |
-
2016
- 2016-01-26 CN CN201620077773.4U patent/CN205482812U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108319299A (en) * | 2017-11-30 | 2018-07-24 | 北京工业大学 | A kind of regulating device, measurement and the compensation method of more gauge head setting angles |
| CN108132022A (en) * | 2017-12-05 | 2018-06-08 | 航天材料及工艺研究所 | A kind of deformation measuring device of large diameter thin wall babinet |
| CN108608260A (en) * | 2018-07-28 | 2018-10-02 | 重庆宏钢数控机床有限公司 | Disk class groove part self-operated measuring unit |
| CN109947140A (en) * | 2019-04-03 | 2019-06-28 | 辽宁科技大学 | A kind of 5DOF laser alignment micromatic setting and its adjusting method |
| CN109947140B (en) * | 2019-04-03 | 2023-08-22 | 辽宁科技大学 | 5-degree-of-freedom laser collimation fine adjustment device and adjustment method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170126 |