CN102294621A - Method and detection device for calibrating main shafts of opposite machining tool - Google Patents
Method and detection device for calibrating main shafts of opposite machining tool Download PDFInfo
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- CN102294621A CN102294621A CN2010102071179A CN201010207117A CN102294621A CN 102294621 A CN102294621 A CN 102294621A CN 2010102071179 A CN2010102071179 A CN 2010102071179A CN 201010207117 A CN201010207117 A CN 201010207117A CN 102294621 A CN102294621 A CN 102294621A
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Abstract
The invention discloses a method and a detection device for calibrating main shafts of an opposite machining tool. The method comprises the following steps of: arranging a detection probe and a detection bar on two main shafts of the opposite machining tool respectively; forming a circular inner hole at the central part of the detection bar; moving the detection probe and the detection bar to enter a through hole of a workpiece from two sides of the through hole of the workpiece, and positioning the detection probe and the detection bar in the through hole of the workpiece; moving the detection probe into the circular inner hole of the detection bar, so that the detection probe is in a little contact with the inner circular edge of the circular inner hole of the detection bar, and detection of a first point is realized; directly moving the detection probe for contacting on the inner circular edge of the circular inner hole of the detection bar to perform detection of a second point, and finishing detection of a third point likewise; determining the central point of the detection bar by three-point detection on the inner circular edge, acquiring a group of coordinate data of the central point of the detection bar, inputting the coordinate data of the central point of the detection bar into a controller of the machining tool provided with the detection probe, and positioning the machining tool at the coordinate point so as to realize calibration of the centers of the two main shafts; and directly performing a machining stage without moving the main shafts after the detection is finished.
Description
Technical field
The present invention relates to machine tool technology, particularly the method checkout gear of opposite machining tool main shaft demarcation.
Background technology
Along with the development of Modern Manufacturing Technology is advanced by leaps and bounds, the requirement of the machining production automation is more and more higher, the processing of traditional workpiece endoporus adopts boring machine to realize, but axial length bigger hole and axiality are required than higher workpiece, and this method can not satisfy the demands.At this type of part processing, especially for the big hole of axial dimension, the application of two-sided boring-mill work lathe has obtained development fast, in order to improve the precision that two-sided machining tool is used in actual production, high efficiency, the calibration technique at center plays most important property in two-sided machining tool two main shafts.Therefore find a kind of pinpoint scaling method of two alignments of shafts of realizing fast in actual processing, to have great significance.
The scaling method of traditional two-sided machining tool two alignments of shafts referring to Fig. 1, is installed in two main shafts 10 of opposite machining tool, 10 ' detection probe 20, inspection rod 30 respectively; Main shaft 10,10 ' is installed in respectively on separately the column 40,40 '.Adopt fixing inspection rod 30, by mobile laser detection probe 20, three some A, B, C (referring to Fig. 3) on the cylindrical of detection inspection rod 30, can determine to examine the central point of rod by 3 detections, obtain one group and examine excellent centre coordinate data, above-mentioned coordinate data is input in the controller of machining tool of installation and measuring probe 20 and main shaft 10, this lathe is navigated to this coordinate points, thereby realize the demarcation of two alignments of shafts; Need directly not enter the process segment after having detected at mobile main shaft.
The shortcoming of said method is: bowlder laser detecting apparatus device at first moves in the spindle centerline direction outside detecting, main shaft drive detecting instrument moves up and down on the contact cylindrical and a bit finishes first detection then, after this moment, the laser detection probe will be return along the alignment of shafts, move to the detection of second of the excellent following realization of inspection once more, the then detection of the 3rd point, this kind testing process complexity, the stroke that probe moves in moving process is very big, cause its precision along with reduction, and then caused its coaxial precise decreasing, especially in high-accuracy lathe, can't satisfy the requirement of processing.
In addition, traditional scaling method laser detection probe 20 and the calibration position of inspection rod 30 are above workpiece 50 in reality processing, demarcate the back and process at the center of the through hole 501 of getting back to workpiece 50, getting back to workpiece through-hole 501 central process after demarcation has increased accumulated error.And this error can reach 0.02mm; Seriously reduced the precision of its machining hole.
Summary of the invention
The objective of the invention is to propose method and the checkout gear that a kind of opposite machining tool main shaft is demarcated, this method mainly is to solve existing deficiency when detecting the cylindrical realization demarcation alignment of shafts, reduce the shift motion of laser detection utensil in the calibration process, improve two main shaft concentricitys thereby reach, improve machine finish.
For achieving the above object, the technical solution used in the present invention is:
The method that opposite machining tool main shaft is demarcated is installed in detection probe and inspection rod respectively on two main shafts of opposite machining tool; It is characterized in that, examine excellent center and have round endoporus; Mobile detection probe and inspection rod, the through hole both sides from workpiece enter workpiece through-hole respectively, and navigate in the through hole of workpiece; Then detection probe is moved in the round endoporus of inspection rod, make detection probe contact on the internal circle of inspection rod circle endoporus a bit realize first detection; And then direct mobile detection probe on the internal circle of inspection rod circle endoporus, carry out second detection; In like manner, finish thirdly detection; Detect the central point of determining the inspection rod by 3 on the internal circle, obtain one group of coordinate data of examining excellent central point, the coordinate data of above-mentioned inspection rod central point is input in the controller of machining tool of installation and measuring probe, this machining tool is navigated to this coordinate points, thereby realize the demarcation of two alignments of shafts; Need directly not enter the process segment after having detected at mobile main shaft.
Further, the ultimate range that detection probe moves in the whole testing process is 1.5 times that the inspection rod is justified diameter of bore.
Described detection probe is laser detection probe or contact probe.
In addition, the checkout gear that opposite of the present invention machining tool main shaft is demarcated comprises laser detection probe, inspection rod on two main shafts that are installed in the opposite machining tool respectively; Main shaft is installed in respectively on the opposite machining tool column separately; It is characterized in that the excellent central part of described inspection has round endoporus.
The present invention is in order to solve the low process complicated phenomenon of traditional precision that cylindrical caused of utilizing laser detection instrument detection tool, elder generation's proposition will be examined rod and be made into the endoporus pattern, utilize the laser detection instrument in the interior circle of inspection rod, to detect 3 demarcation that realize its center, owing to be the detection that in endoporus, realizes, reduce the shift motion of its laser probe in testing process theoretically.Only need detection probe on both direction, to move the purpose that can reach demarcation. is owing to realized the endoporus detection; Can detect rear at the center of getting back to workpiece hole by former workpiece top the position of detecting; Change into directly and in workpiece hole, demarcating; This detection mode has reduced the error that moves to the center, hole after the demarcation; And this error worst error in the testing process just; Especially littler for diameter; And in the exigent situation of axiality; Traditional detection method can not meet the demands fully; Therefore utilize the method that detects the excellent inner circle of inspection to carry out the double-side processing machine bed alignment of shafts and demarcate the very high use value that has in high-precision machine tool
The invention has the advantages that:
1, the present invention adopts the laser detection probe to detect examining excellent endoporus, thereby realizes the demarcation of two alignments of shafts, and the mobile ultimate range of whole process laser detection probe is 1.5 times of inspection rod circle diameter of bore; Stroke is short, the precision height, and action is simple, dependable performance, the time is short, and accumulated error is low, and the application on high-speed precise machine tool has wide space.
2, testing process of the present invention is finished in the through hole inside of workpiece, has reduced traditional accumulated error that whole stroke causes when moving to workpiece inside after detection above the workpiece is finished; And this error accounts for 50% of whole testing process, and especially at the demanding workpiece of aperture small bore coaxial cable degree, the inventive method has very high use value.
Description of drawings
Fig. 1 is the schematic diagram of the method for existing opposite machining tool main shaft demarcation;
Fig. 2 is the schematic diagram of inspection rod in one embodiment of the invention;
Fig. 3 is the local enlarged diagram of inspection rod in one embodiment of the invention;
Fig. 4 is the schematic diagram of method one embodiment of opposite of the present invention machining tool main shaft demarcation.
The specific embodiment
Referring to Fig. 2~Fig. 4, method and checkout gear that opposite of the present invention machining tool main shaft is demarcated are installed in laser detection probe 1 and inspection rod 2 respectively on two main shafts 3,3 ' of opposite machining tool; Main shaft 3,3 ' is installed in respectively on the opposite machining tool column 4,4 ' separately; The central part of inspection rod 2 has round endoporus 201; Mobile laser detection probe 1 and inspection rod 2 enter workpiece through-hole 501 from through hole 501 both sides of workpiece 5, and navigate in the through hole 501 of workpiece 5; Then laser detection probe 1 is moved in the round endoporus 201 of inspection rod 2, make laser detection probe 1 irradiation contact on the internal circle of inspection rod circle endoporus 201 a bit realize the detection of first D; And then direct mobile laser detection probe 1 on the internal circle of inspection rod circle endoporus 201, carry out the detection of second E, in like manner finish the thirdly detection of F, the ultimate range that detection probe 1 moves in the whole testing process is 1.5 times of inspection rod 2 circle endoporus 201 diameters;
Detect the central point of determining inspection rod 2 by 3 on the internal circle, obtain one group of coordinate data of examining excellent central point, the coordinate data of above-mentioned inspection rod 2 central points is input in the controller of machining tool of installation and measuring probe 1, this machining tool is navigated to this coordinate points, thereby realize the demarcation at two main shafts, 3,3 ' center; Need directly not enter the process segment after having detected at mobile main shaft 3,3 '.
Claims (5)
1. the method for opposite machining tool main shaft demarcation is installed in detection probe and inspection rod respectively on two main shafts of opposite machining tool; It is characterized in that, examine excellent center and have round endoporus; Mobile detection probe and inspection rod, the through hole both sides from workpiece enter workpiece through-hole respectively, and navigate in the through hole of workpiece; Then detection probe is moved in the round endoporus of inspection rod, make detection probe contact on the internal circle of inspection rod circle endoporus a bit realize first detection; And then direct mobile detection probe on the internal circle of inspection rod circle endoporus, carry out second detection; In like manner, finish thirdly detection; Detect the central point of determining the inspection rod by 3 on the internal circle, obtain one group of coordinate data of examining excellent central point, the coordinate data of above-mentioned inspection rod central point is input in the controller of machining tool of installation and measuring probe, this machining tool is navigated to this coordinate points, thereby realize the demarcation of two alignments of shafts; Need directly not enter the process segment after having detected at mobile main shaft.
2. the method that opposite as claimed in claim 1 machining tool main shaft is demarcated is characterized in that, the ultimate range that detection probe moves in the whole testing process is 1.5 times of inspection rod circle diameter of bore.
3. the method that opposite as claimed in claim 1 machining tool main shaft is demarcated is characterized in that, described detection probe is laser detection probe or contact probe.
4. the checkout gear of opposite machining tool main shaft demarcation comprises detection probe, inspection rod on two main shafts that are installed in the opposite machining tool respectively; Main shaft is installed in respectively on the opposite machining tool column separately; It is characterized in that the excellent central part of described inspection has round endoporus.
5. the checkout gear that opposite as claimed in claim 4 machining tool main shaft is demarcated is characterized in that, described detection probe is laser detection probe or contact probe.
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CN2010102071179A CN102294621A (en) | 2010-06-22 | 2010-06-22 | Method and detection device for calibrating main shafts of opposite machining tool |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102990220A (en) * | 2012-08-28 | 2013-03-27 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for regulating accuracy of coaxiality between spindle side and tailstock side of friction welding machine |
CN103673949A (en) * | 2013-12-12 | 2014-03-26 | 宁波海天精工股份有限公司 | Establishing method for workpiece coordinate systems of double horizontal machining centers sharing single working table |
CN103921172A (en) * | 2014-05-07 | 2014-07-16 | 广西玉柴机器股份有限公司 | Centering method of guide die plate and centering assembly thereof |
CN107900781A (en) * | 2017-12-25 | 2018-04-13 | 河北工业大学 | Caliberating device and scaling method for the contact on-line detecting system of lathe |
CN112355358A (en) * | 2020-10-10 | 2021-02-12 | 东方电气集团东方锅炉股份有限公司 | Device and method for quickly adjusting precision of main shaft of numerical control drilling machine |
CN115647932A (en) * | 2022-11-02 | 2023-01-31 | 湖北工业大学 | A method for controlling installation accuracy of detachable milling head |
CN116494024A (en) * | 2023-03-27 | 2023-07-28 | 浙江嘉湖机床股份有限公司 | Machine tool centering detection assembly and detection method thereof |
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US5777562A (en) * | 1996-08-19 | 1998-07-07 | Hoffman; David J. | Centering device and method for centering |
EP1175960A2 (en) * | 2000-07-24 | 2002-01-30 | Fritz Studer AG | Method and device for aligning a workpiece axis with a tool axis in a machine tool |
WO2009068258A2 (en) * | 2007-11-28 | 2009-06-04 | M & H Inprocess Messtechnik Gmbh | Method for measuring tools by means of a measuring instrument, and measuring apparatus comprising an instrument for measuring tools |
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US4509266A (en) * | 1982-06-14 | 1985-04-09 | Gte Valeron Corporation | Touch probe |
US5777562A (en) * | 1996-08-19 | 1998-07-07 | Hoffman; David J. | Centering device and method for centering |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102990220A (en) * | 2012-08-28 | 2013-03-27 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for regulating accuracy of coaxiality between spindle side and tailstock side of friction welding machine |
CN102990220B (en) * | 2012-08-28 | 2015-09-09 | 沈阳黎明航空发动机(集团)有限责任公司 | The method that friction-welding machine main shaft side and tailstock side coaxial accuracy adjust |
CN103673949A (en) * | 2013-12-12 | 2014-03-26 | 宁波海天精工股份有限公司 | Establishing method for workpiece coordinate systems of double horizontal machining centers sharing single working table |
CN103921172A (en) * | 2014-05-07 | 2014-07-16 | 广西玉柴机器股份有限公司 | Centering method of guide die plate and centering assembly thereof |
CN107900781A (en) * | 2017-12-25 | 2018-04-13 | 河北工业大学 | Caliberating device and scaling method for the contact on-line detecting system of lathe |
CN107900781B (en) * | 2017-12-25 | 2023-09-22 | 河北工业大学 | Calibration device and calibration method of contact online detection system for lathes |
CN112355358A (en) * | 2020-10-10 | 2021-02-12 | 东方电气集团东方锅炉股份有限公司 | Device and method for quickly adjusting precision of main shaft of numerical control drilling machine |
CN115647932A (en) * | 2022-11-02 | 2023-01-31 | 湖北工业大学 | A method for controlling installation accuracy of detachable milling head |
CN115647932B (en) * | 2022-11-02 | 2023-07-18 | 湖北工业大学 | A method for controlling installation accuracy of detachable milling head |
CN116494024A (en) * | 2023-03-27 | 2023-07-28 | 浙江嘉湖机床股份有限公司 | Machine tool centering detection assembly and detection method thereof |
CN116494024B (en) * | 2023-03-27 | 2023-11-03 | 浙江嘉湖机床股份有限公司 | Machine tool centering detection assembly and detection method thereof |
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Application publication date: 20111228 |