CN103557818A - Measuring head replacing device for three-coordinate measuring machine - Google Patents
Measuring head replacing device for three-coordinate measuring machine Download PDFInfo
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- CN103557818A CN103557818A CN201310555224.4A CN201310555224A CN103557818A CN 103557818 A CN103557818 A CN 103557818A CN 201310555224 A CN201310555224 A CN 201310555224A CN 103557818 A CN103557818 A CN 103557818A
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Abstract
The invention relates to a three-coordinate measuring machine, in particular to a measuring head replacing device for the three-coordinate measuring machine. The measuring head replacing device is provided with a base, a measuring head mounting table, a stepping motor, a driving shaft, a curve geneva mechanism driving member, a curve geneva mechanism driven member, a driven shaft, a bearing, locating mechanisms and winding rings. The base is fixedly connected with the measuring head mounting table, an output shaft of the stepping motor is connected with the driving shaft, the driving shaft is arranged on the curve geneva mechanism driving member, the driven shaft is arranged on the curve geneva mechanism driven member, the upper end of the driven shaft is fixedly connected with the measuring head mounting table, and the bearing is arranged on the driven shaft and installed on the base; each locating mechanism is provided with a locating rod, two locating balls and a spring, wherein the middle portion of the locating rod is connected with the driven shaft in a threaded mode, the locating rod is sleeved with the spring, and the two balls are arranged at the ends of the locating rod respectively; at least four locating holes are formed in the inner wall of the base, and the locating balls are embedded into the locating holes; the winding rings are arranged on the driven shaft. The measuring head replacing device for the three-coordinate measuring machine is simple in structure, accurate in location and capable of improving work efficiency significantly.
Description
Technical field
The present invention relates to three coordinate measuring machine, especially relate to a kind of probe conversion device for three coordinate measuring machine.
Background technology
Three coordinate measuring machine is a kind of high efficiency novel precise surveying instrument growing up for nearly 30 years.It is widely used in the industry such as machine-building, electronics, automobile and Aero-Space.It can carry out the detection of size, shape and the mutual alignment of part and assembly, the measurement of space type faces such as casing, guide rail, turbine and blade, cylinder body, cam, gear, body.In addition, also can be used for line, the hole that centers, photoetching integrated circuit etc., and can carry out scanner uni to continuous curve surface and prepare job sequence of numerically-controlled machine etc.Because its highly versatile, measurement range is large, precision is high, efficiency is high, performance is good, can be connected with flexible manufacturing system, become a class large-scale precision instrument, therefore there is the title of " measuring center ".Three coordinate measuring machine, as modern large-scale precision instrument, more and more demonstrates its importance and vast potential for future development.(referring to document: 1, Zhang Guoxiong. three coordinate measuring machine. publishing house of University Of Tianjin, 1999.7)
Because the occasion of the function and application of different model gauge head is different, in actual applications, often need to change different gauge heads and realize the application under different occasions.The mode of old replacing gauge head is to adopt manually to change, the not only consuming time but also good power of this mode.Existing this problem has caused everybody concern, has also occurred successively the scheme that addresses this problem, for example, adopt the mode of the tool magazine that lathe tools change, but this complex structure, cost is high.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, accurate positioning, can significantly improve the three coordinate measuring machine probe conversion device of work efficiency.
The present invention is provided with base, gauge head erecting bed, stepper motor, main drive shaft, curve sheave mechanism driving link, curve sheave mechanism driven member, driven shaft, bearing, detent mechanism and wire winding ring;
Base and gauge head erecting bed are connected, stepper motor output shaft is connected with main drive shaft, main drive shaft is located on curve sheave mechanism driving link, driven shaft is located on curve sheave mechanism driven member, driven shaft upper end and gauge head erecting bed are connected, bearing is located on driven shaft, bearing is arranged on base, detent mechanism is provided with backstay, 2 location ball and springs, backstay middle part is spirally connected with driven shaft, spring housing is located on backstay, one end of backstay is located at respectively in 2 place kick, the inwall of described base is provided with at least 4 pilot holes, described place kick is embedded in pilot hole, wire winding ring is located on described driven shaft.
Described stepper motor output shaft is preferably connected with described main drive shaft by shaft coupling.
Described pilot hole is preferably conical pilot hole, and conical pilot hole can coordinate better with place kick, realizes the accurately function of location.
Described base is preferably provided with base wire outlet, and the wire of gauge head can be connected with external unit through base wire outlet.
The quantity of described wire winding ring is preferably provided with at least 4, and each wire winding ring is for guiding the data line of each gauge head respectively, and the data line of gauge head is guided by wire winding ring, then is drawn by the base wire outlet of being located at base.
Detent mechanism is preferably provided with 2 covers, and every cover detent mechanism is provided with backstay, 2 location ball and springs, and backstay middle part is spirally connected with driven shaft, and spring housing is located on backstay, and 2 place kick connect one end of being located at respectively backstay by spring.
Principle of work of the present invention and beneficial effect are as follows:
During installation, gauge head is fixed on gauge head erecting bed by bolt, base is coordinated and is fixed on three coordinate measuring machine by bolt and nut.When stepper motor is received order rotation, can drive the curve sheave mechanism driving link on main drive shaft to rotate, and then the motion of drive curve sheave mechanism driven member, the track of setting by curve sheave, thereby drive driven shaft and gauge head erecting bed to rotate, realize the switching of different gauge heads (sensor) position.Realize the quick switching of sensor, significantly improved work efficiency.Because the backstay of detent mechanism is fixed on driven shaft, so during driven shaft rotation, backstay also will move thereupon, when motion is during through assigned address (taper hole on base), the location bead being connected with spring on backstay will enter in taper hole and realize and locating.When circumferential power is less than the power of support of the spring setting, bead will be fixed in hole, can not eject, and guarantee the location of mechanism; When stepper motor drives, when circumferential power is greater than the anchorage force of the spring setting, bead ejects taper hole, along lateral movement in base.Detent mechanism can have been guaranteed to switch the accurate location after station, and positioning precision is high.The present invention has adopted coordinating of stepper motor and curve sheave mechanism, simple in structure, can realize at short notice the switching of different gauge heads, and work efficiency is high.
Accompanying drawing explanation
Fig. 1 is the external structure schematic diagram of the embodiment of the present invention.
Fig. 2 is the inner structure schematic diagram of the embodiment of the present invention.
Fig. 3 is the partial interior structural representation of the embodiment of the present invention.
Fig. 4 is the detent mechanism schematic diagram of the embodiment of the present invention.
Each mark in Fig. 1～4 represents:
1. bolt, 2. the first gauge head, 3. the second gauge head, 4. bolt, 5. gauge head erecting bed, 6. base, 7. base wire guiding port, 8. the 3rd gauge head, 9. bolt, 10. the 4th gauge head, 11. bolts, 12. pilot holes, 13. gauge head erecting bed wire guiding ports, 14. bolts, 15. stepper motors, 16. driven shafts, 17. nuts, 18. wire winding rings, 19. springs, 20. place kick, 21. backstays, 22. curve sheave mechanism driven members, 23. bearings, 24. bolts, 25. elastic circlips, 26. main drive shafts, 27. nuts, 28. bolts, 29. nuts, 30. curve sheave mechanism driving links, 31. holding screws, 32. nuts, 33. shaft couplings, 34. nuts.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Referring to Fig. 1～4, the present embodiment comprises base 6, gauge head erecting bed 5, stepper motor 15, the main drive shaft 26, curve sheave driving link 30, of mechanism curve sheave mechanism driven member 22, driven shaft 16, bearing 23, detent mechanism and wire winding ring 18.
Described pilot hole 12 is conical pilot hole, and conical pilot hole 12 can coordinate better with place kick 20, realizes the accurately function of location.
Described base 6 is provided with base wire outlet 7, the quantity of described wire winding ring 18 is provided with 4, each wire winding ring 18 is for guiding respectively the data line of each gauge head, the data line of each gauge head is guided through wire winding ring 18 separately respectively by gauge head erecting bed wire guiding port 13, then is drawn with external unit and be connected by the base wire outlet 7 of being located at base 6.
Provide the concrete installation of the present embodiment and the explanation of the course of work below:
The first gauge head 2, the second gauge head 3, the 3rd gauge head 8 and the 4th gauge head 10 are fixed on gauge head erecting bed 5 by bolt 1,4,9,11 respectively.Bearing 23 is connected with base 6 by bolt 24, nut 34.Interference fit between driven shaft 16 and bearing 23.Curve sheave mechanism driven member 22 and driven shaft 16 interference fit, and utilize elastic circlip 25 to fix its axially-movable.The threaded engagement of utilizing backstay 21 is fixed on driven shaft 16, and location bead 20 is fixed on spring 19.Wire winding ring 18 is positioned between locating shaft 21 and gauge head erecting bed 5, transition fit between wire winding ring 18 and driven shaft 16.Gauge head erecting bed 5 is anchored on driven shaft 16 by nut 17.The wire of different gauge heads is walked around different wire winding rings, has guaranteed can not be wound around mutually between wire, and has drawn and outside equipment connection via base wire guiding port 7 and gauge head erecting bed wire outlet 13.
When stepper motor 15 is received order rotation, will drive the curve sheave mechanism driving link 30 on main drive shaft 26 to rotate, and then drive the motion of curve sheave mechanism driven member 22; And curve sheave mechanism driven member 22 and driven shaft 16 interference fit, so the rotation of driven shaft 16 will be driven; And worktable 5 by nut 17 be connected with driven shaft on 16, so driven shaft 16 will drive worktable 5 to rotate, thereby realize the switching of different gauge heads (sensor) position.
The backstay 21 of detent mechanism is fixed on driven shaft 16, so during driven shaft 16 rotation, backstay 21 also will move thereupon, and when motion process assigned address pilot hole 12, the place kick 20 being connected with spring 19 on backstay 21 will enter the interior realization of pilot hole 12 location.When circumferential power is less than the power of support of the spring 19 setting, place kick 20 will be fixed in pilot hole 12, can not eject, and guarantee the location of detent mechanism; When stepper motor 15 drives, when circumferential power is greater than the anchorage force of the spring 19 setting, pilot hole 12 is ejected in place kick 20, along the interior lateral movement of base 6.
All the other marks that do not illustrate again in each figure have been embodied in accompanying drawing declaratives.
Claims (6)
1. the probe conversion device for three coordinate measuring machine, it is characterized in that, be provided with base, gauge head erecting bed, stepper motor, main drive shaft, curve sheave mechanism driving link, curve sheave mechanism driven member, driven shaft, bearing, detent mechanism and wire winding ring;
Base and gauge head erecting bed are connected, stepper motor output shaft is connected with main drive shaft, main drive shaft is located on curve sheave mechanism driving link, driven shaft is located on curve sheave mechanism driven member, driven shaft upper end and gauge head erecting bed are connected, bearing is located on driven shaft, bearing is arranged on base, detent mechanism is provided with backstay, 2 location ball and springs, backstay middle part is spirally connected with driven shaft, spring housing is located on backstay, one end of backstay is located at respectively in 2 place kick, the inwall of described base is provided with at least 4 pilot holes, described place kick is embedded in pilot hole, wire winding ring is located on described driven shaft.
2. a kind of probe conversion device for three coordinate measuring machine as claimed in claim 1, is characterized in that, described stepper motor output shaft is connected with described main drive shaft by shaft coupling.
3. a kind of probe conversion device for three coordinate measuring machine as claimed in claim 1, is characterized in that, described pilot hole is conical pilot hole.
4. a kind of probe conversion device for three coordinate measuring machine as claimed in claim 1, is characterized in that, described base is provided with wire outlet.
5. a kind of probe conversion device for three coordinate measuring machine as claimed in claim 1, is characterized in that, the quantity of described wire winding ring is provided with at least 4.
6. a kind of probe conversion device for three coordinate measuring machine as claimed in claim 1, it is characterized in that, described detent mechanism is provided with 2 covers, every cover detent mechanism is provided with backstay, 2 location ball and springs, backstay middle part is spirally connected with driven shaft, spring housing is located on backstay, and 2 place kick connect one end of being located at respectively backstay by spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310555224.4A CN103557818B (en) | 2013-11-11 | 2013-11-11 | A kind of probe conversion device for three coordinate measuring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310555224.4A CN103557818B (en) | 2013-11-11 | 2013-11-11 | A kind of probe conversion device for three coordinate measuring machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103557818A true CN103557818A (en) | 2014-02-05 |
| CN103557818B CN103557818B (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310555224.4A Expired - Fee Related CN103557818B (en) | 2013-11-11 | 2013-11-11 | A kind of probe conversion device for three coordinate measuring machine |
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| CN (1) | CN103557818B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983402A (en) * | 2014-05-27 | 2014-08-13 | 北京卫星环境工程研究所 | Paraxial tilting rotary table for linear three-coordinate transformation machine |
| CN106767599A (en) * | 2016-12-26 | 2017-05-31 | 沈阳航空航天大学 | A kind of Three-coordinate measurer and method |
| CN106767379A (en) * | 2016-12-30 | 2017-05-31 | 常州亿晶光电科技有限公司 | A kind of testing equipment of solar panel web plate deformation |
| CN109269376A (en) * | 2018-09-26 | 2019-01-25 | 武汉理工大学 | A kind of rear axle bore and end face mass measurement system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5116234A (en) * | 1990-09-05 | 1992-05-26 | Dr.-Ing. Hofler Messgeratebau Gmbh | Measuring arrangement for rotationally symmetrical workpieces |
| US5185936A (en) * | 1991-07-11 | 1993-02-16 | Renishaw Metrology Limited | Probe head with indexing mechanism |
| CN101153790A (en) * | 2007-07-20 | 2008-04-02 | 西安工业大学 | Automatic survey probe replacing device and method thereof |
| CN201561737U (en) * | 2009-11-20 | 2010-08-25 | 国营长空精密机械制造公司 | Runout inspection instrument |
| CN102168941A (en) * | 2010-01-07 | 2011-08-31 | 株式会社三丰 | Lever-type detector, stylus, and automatic stylus exchanger |
-
2013
- 2013-11-11 CN CN201310555224.4A patent/CN103557818B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5116234A (en) * | 1990-09-05 | 1992-05-26 | Dr.-Ing. Hofler Messgeratebau Gmbh | Measuring arrangement for rotationally symmetrical workpieces |
| US5185936A (en) * | 1991-07-11 | 1993-02-16 | Renishaw Metrology Limited | Probe head with indexing mechanism |
| CN101153790A (en) * | 2007-07-20 | 2008-04-02 | 西安工业大学 | Automatic survey probe replacing device and method thereof |
| CN201561737U (en) * | 2009-11-20 | 2010-08-25 | 国营长空精密机械制造公司 | Runout inspection instrument |
| CN102168941A (en) * | 2010-01-07 | 2011-08-31 | 株式会社三丰 | Lever-type detector, stylus, and automatic stylus exchanger |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983402A (en) * | 2014-05-27 | 2014-08-13 | 北京卫星环境工程研究所 | Paraxial tilting rotary table for linear three-coordinate transformation machine |
| CN103983402B (en) * | 2014-05-27 | 2016-09-28 | 北京卫星环境工程研究所 | The paraxonic tilting turntable of linear type three coordinate converting machine |
| CN106767599A (en) * | 2016-12-26 | 2017-05-31 | 沈阳航空航天大学 | A kind of Three-coordinate measurer and method |
| CN106767379A (en) * | 2016-12-30 | 2017-05-31 | 常州亿晶光电科技有限公司 | A kind of testing equipment of solar panel web plate deformation |
| CN109269376A (en) * | 2018-09-26 | 2019-01-25 | 武汉理工大学 | A kind of rear axle bore and end face mass measurement system |
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| Publication number | Publication date |
|---|---|
| CN103557818B (en) | 2016-01-27 |
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Granted publication date: 20160127 Termination date: 20211111 |