CN112361943A - System and method for monitoring synchronous rotation error of gear measuring tip of three-dimensional measuring head - Google Patents
System and method for monitoring synchronous rotation error of gear measuring tip of three-dimensional measuring head Download PDFInfo
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- CN112361943A CN112361943A CN202011491668.2A CN202011491668A CN112361943A CN 112361943 A CN112361943 A CN 112361943A CN 202011491668 A CN202011491668 A CN 202011491668A CN 112361943 A CN112361943 A CN 112361943A
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- 230000006698 induction Effects 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000003745 diagnosis Methods 0.000 claims description 13
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 238000004590 computer program Methods 0.000 claims description 3
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- 229910000831 Steel Inorganic materials 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
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Abstract
A three-dimensional measuring head gear measuring tip synchronous rotation error monitoring system. The top point on the original product is not provided with a synchronous rotation precision monitoring system of an encoder, when the three-dimensional measuring head is used for measurement, calibration and detection, the rotation of the three-dimensional measuring head measuring top point is asynchronous due to the phenomena of loosening of a driving device, top point sliding and the like, and the measurement accuracy is influenced. The invention comprises the following components: axle sleeve (2), top (1) are installed on the axle sleeve left side, install holder (3) between top and the axle sleeve, it passes through the bolt and is connected with interior pole to go up the top afterbody, interior pole left side and spring housing (6) end-to-end installation have bearing (5), install spring (7) between interior pole and the spring housing, interior pole right-hand member has the recess, install permanent magnet (9) in the recess, the axle sleeve right-hand member passes through the screw thread and is connected with the end cover, magnetic induction chip (8) are installed in the end cover outside, downthehole photoelectricity hall switch (10) of. The invention is used for a synchronous rotation error monitoring system of a three-dimensional measuring head gear measuring tip.
Description
Technical Field
The invention relates to the technical field of measuring tool cutters, in particular to a system and a method for monitoring synchronous rotation errors of a gear measuring tip of a three-dimensional measuring head.
Background
The upper top point part of the original similar product is not provided with an encoder synchronous rotation precision monitoring system, and the measurement results are as follows: when the three-dimensional measuring head gear measuring center is calibrated and detected, the rotation of the upper tip and the lower tip of the three-dimensional measuring head gear measuring center is asynchronous due to the phenomena of loosening of a driving device, sliding of the tips and the like, so that the rotation synchronization error is generated, and the measuring accuracy is seriously influenced. Synchronous rotation errors of an upper tip and a lower tip of a three-dimensional measuring head gear measuring center directly cause error of detecting actions of an instrument or accuracy of a measuring result, and influence the precision of the instrument; after the monitoring function is added, the synchronous rotation precision of the upper and lower centers is monitored and displayed in real time, and error alarm is provided for an operator after the judgment of a measurement software system; the display and diagnosis of the synchronous rotation error of the upper center and the lower center can help an operator to quickly judge the measurement alarm caused by the synchronous error, and the operation efficiency of the instrument is improved.
Disclosure of Invention
The invention aims to provide a system and a method for monitoring synchronous rotation errors of a gear measuring tip of a three-dimensional measuring head. The structure can monitor and display the synchronous rotation precision of the upper and lower centers in real time, and can effectively avoid the condition that the data accuracy of the upper and lower centers in the debugging and detecting process is influenced due to asynchronous rotation precision when the three-dimensional measuring head gear measuring center is debugged and detected.
The above purpose is realized by the following technical scheme:
a three-dimensional gauge head gear measurement centre synchronous rotation error monitoring system comprises: the magnetic induction type electromagnetic valve comprises a shaft sleeve, wherein an upper tip is installed on the left side of the shaft sleeve, a retainer is installed between the upper tip and the shaft sleeve, the tail of the upper tip is connected with an inner rod through a bolt, a bearing is installed on the left side of the inner rod and the end face of a spring sleeve, a spring is installed between the inner rod and the spring sleeve, a groove is formed in the right end of the inner rod, a permanent magnet is installed in the groove, the right end of the shaft sleeve is connected with an end cover through threads, a magnetic induction chip is installed on the outer side of the end cover, and a photoelectric Hall switch is installed in a hole below.
The synchronous rotation error monitoring system for the three-dimensional measuring head gear measuring tip is characterized in that a positioning nail is installed in the middle position above the shaft sleeve, the sleeve is installed outside the end cover, the holder is made of polytetrafluoroethylene, the size of the permanent magnet is phi 8 multiplied by 3, and the magnetic induction chip is AS 5041.
A three-dimensional measuring head gear measuring tip synchronous rotation error monitoring system and a monitoring method thereof are disclosed, the method comprises the following contents:
firstly, before the detection work of an instrument is started, aligning and placing a lower end positioning hole of a workpiece to be detected on a lower tip provided with a spindle encoder, controlling a tip upright post servo motor to drive a tip support arm to move downwards through an electric control system of a three-dimensional gear measurement center to shorten the distance between the upper tip and the lower tip, so that an upper tip in a synchronous revolution error diagnosis system of the upper tip and the lower tip of the three-dimensional measuring head gear measurement center is aligned with the positioning hole of the workpiece to be detected, compressing a spring under the pressure action in the downward moving process of the upper tip until the upper end position of the upper tip triggers a photoelectric Hall switch to stop the movement of the tip support arm, pressing the workpiece to be detected under the reaction force of the spring at the moment, ensuring that the gap between a radial magnetized phi 8 x 3 permanent magnet and a magnetic sensing chip AS5041 reaches 1mm-1.5mm, reaching the sensing range of the magnetic sensing chip AS5041, and rotating the workpiece to be detected, the radial magnetized phi 8 multiplied by 3 permanent magnet synchronously rotates, and a gear measurement center measurement system can acquire the angle position value of the measured workpiece through the magnetic induction chip AS 5041;
then after the measurement action of the instrument is started, the lower center rotating main shaft is driven by a torque motor to synchronously rotate a workpiece to be measured through a driving device to finish the measurement action, meanwhile, the permanent magnet in the upper center structure synchronously rotates, and the magnetic induction chip AS5041 feeds back the collected upper center rotating angle value to the computer in real time;
in the whole measurement engineering, the computer acquisition system acquires and compares the angle value fed back by the upper tip and the angle encoder value in the rotating shaft of the lower tip in real time, theoretically, the data of the rotating angle recorded at each moment should be consistent, when the computer acquisition system detects that the comparison result exceeds the specified tolerance range, a computer program sends out a warning prompt to an operator, the measurement action is automatically stopped, and the operator is prompted to continue to measure after the error reason is diagnosed.
Has the advantages that:
1. the invention relates to a synchronous rotation error monitoring system for a three-dimensional measuring head gear measuring center, which can effectively avoid the condition that the accuracy of data in the debugging and detecting process of an instrument is influenced by the upper and lower centers because of asynchronous rotation precision in the debugging and detecting process of the three-dimensional measuring head gear measuring center, and simultaneously, the synchronous rotation error monitoring system can improve the working efficiency of the three-dimensional measuring head gear measuring center.
The invention can enable a computer connected with the instrument to acquire and display data through the upper and lower tip synchronous rotation error diagnosis system of the three-dimensional measuring head gear measuring center in the debugging and detecting processes of the three-dimensional measuring head gear measuring center, and if the data is not in a reasonable tolerance range, the computer connected with the instrument can diagnose an operator and send out a warning.
The invention can improve the accuracy of the measured data of the three-dimensional measuring head gear measuring center, reduce the debugging and detecting time of the three-dimensional measuring head gear measuring center, effectively improve the working efficiency and reduce the detecting cost.
The upper center, the bearing and the spring sleeve are made of bearing steel, the GCr15 is selected specifically, good manufacturability, high and uniform hardness and good wear resistance in the measurement work of the three-dimensional gear measurement center can be guaranteed, meanwhile, the high elastic limit of the material can keep stable rotation precision in the work, and the service life of a monitoring system is prolonged.
The holder is made of polytetrafluoroethylene, has the advantages of light weight, excellent corrosion resistance, excellent mechanical property in a wider temperature range and the like, and is moderate in friction coefficient and completely meets the design requirements of a three-dimensional measuring head gear measuring tip synchronous rotation error monitoring system.
The invention provides a synchronous rotary error diagnosis system for upper and lower centers of a three-dimensional measuring head gear measuring center, which has high accuracy and high detection efficiency in order to improve the accuracy of synchronous rotary accuracy numerical values of the upper and lower centers of the three-dimensional measuring head gear measuring center in debugging and detecting processes, wherein before a measured workpiece is not clamped, a spring in the synchronous rotary error diagnosis system for the upper and lower centers of the three-dimensional measuring head gear measuring center (hereinafter referred to AS the synchronous rotary error diagnosis system) is in a loose state, at the moment, a radial magnetized phi 8 x 3 permanent magnet and a magnetic sensing chip AS5041 are in a separated state, the spring is in a compressed state after the measured workpiece is clamped on the upper and lower centers of the three-dimensional measuring head gear measuring center, and due to the action of the spring force, the radial magnetized phi 8 x 3 permanent magnet and the magnetic sensing chip AS5047 are close to induction positions, at the moment, the spring is in a pre-working, when the three-dimensional measuring head gear measuring center works, a computer connected with the three-dimensional measuring head gear measuring center acquires data through a synchronous rotation error diagnosis system in the upper tip component and a high-precision angle encoder in the lower tip component, the computer displays the detection data on a computer screen through matched software, the matched software judges whether the detection data are within a reasonable tolerance range or not by comparing the detection data, if the data are not within the reasonable tolerance range, the matched software can diagnose the cause of the problem and send a warning prompt to an operator.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Wherein: 1. the device comprises an upper center, 2, a shaft sleeve, 3, a retainer, 4, a positioning nail, 5, a bearing, 6, a spring sleeve, 7, a spring, 8, a magnetic induction chip, 9, a permanent magnet, 10 and a photoelectric Hall switch.
The specific implementation mode is as follows:
example 1:
a three-dimensional gauge head gear measurement centre synchronous rotation error monitoring system comprises: axle sleeve 2, characterized by: the magnetic induction type magnetic switch is characterized in that an upper tip 1 is installed on the left side of the shaft sleeve, a retainer 3 is installed between the upper tip and the shaft sleeve, the tail of the upper tip is connected with the inner rod through a bolt, a bearing 5 is installed on the left side of the inner rod and the end face of the spring sleeve 6, a spring 7 is installed between the inner rod and the spring sleeve, a groove is formed in the right end of the inner rod, a permanent magnet 9 is installed in the groove, the right end of the shaft sleeve is connected with an end cover through threads, a magnetic induction chip 8 is installed on the outer side of the end cover, and a photoelectric Hall switch 10 is installed in a.
Example 2:
according to the system for monitoring the synchronous revolution error of the three-dimensional measuring head gear measuring tip, in embodiment 1, the positioning nail 4 is installed in the middle position above the shaft sleeve, the sleeve is installed outside the end cover, the retainer is made of polytetrafluoroethylene, the size of the permanent magnet is phi 8 x 3, and the magnetic induction chip is an AS5041 magnetic induction chip.
Example 3:
a monitoring method of a synchronous rotation error monitoring system of a gear measuring tip of a three-dimensional measuring head comprises the following steps:
firstly, before the detection work of an instrument is started, aligning and placing a lower end positioning hole of a workpiece to be detected on a lower tip provided with a spindle encoder, controlling a tip upright post servo motor to drive a tip support arm to move downwards through an electric control system of a three-dimensional gear measurement center to shorten the distance between the upper tip and the lower tip, so that an upper tip in a synchronous revolution error diagnosis system of the upper tip and the lower tip of the three-dimensional measuring head gear measurement center is aligned with the positioning hole of the workpiece to be detected, compressing a spring under the pressure action in the downward moving process of the upper tip until the upper end position of the upper tip triggers a photoelectric Hall switch to stop the movement of the tip support arm, pressing the workpiece to be detected under the reaction force of the spring at the moment, ensuring that the gap between a radial magnetized phi 8 x 3 permanent magnet and a magnetic sensing chip AS5041 reaches 1mm-1.5mm, reaching the sensing range of the magnetic sensing chip AS5041, and rotating the workpiece to be detected, the radial magnetized phi 8 multiplied by 3 permanent magnet synchronously rotates, and a gear measurement center measurement system can acquire the angle position value of the measured workpiece through the magnetic induction chip AS 5041;
then after the measurement action of the instrument is started, the lower center rotating main shaft is driven by a torque motor to synchronously rotate a workpiece to be measured through a driving device to finish the measurement action, meanwhile, the permanent magnet in the upper center structure synchronously rotates, and the magnetic induction chip AS5041 feeds back the collected upper center rotating angle value to the computer in real time;
in the whole measurement engineering, the computer acquisition system acquires and compares the angle value fed back by the upper tip and the angle encoder value in the rotating shaft of the lower tip in real time, theoretically, the data of the rotating angle recorded at each moment should be consistent, when the computer acquisition system detects that the comparison result exceeds the specified tolerance range, a computer program sends out a warning prompt to an operator, the measurement action is automatically stopped, and the operator is prompted to continue to measure after the error reason is diagnosed.
The synchronous rotation error monitoring system of the three-dimensional measuring head gear measuring centre diagnoses the synchronous error of the upper centre and the lower centre through an internal coder of the upper centre of the three-dimensional measuring head gear measuring centre and the synchronous rotation error diagnosis system; a synchronous rotation error diagnosis system is added, the upper and lower finials of the three-dimensional measuring head gear measuring center can keep uniform rotation precision in the debugging and detecting processes through the synchronous rotation error diagnosis system, and the condition that the rotation of the upper and lower finials of the three-dimensional measuring head gear measuring center is not synchronous is avoided in the detecting process, so that the detection data of the three-dimensional measuring head gear measuring center is prevented from being out of a reasonable tolerance range; the electric control system is matched with the three-dimensional measuring head gear measuring center and works coordinately, and the method is only suitable for the three-dimensional measuring head gear measuring center.
The utility model provides an encoder gyration precision monitoring system, encoder gyration precision monitoring system play the effect of monitoring gyration error, can effectively avoid because of three-dimensional gauge head gear measurement center top is asynchronous because of the gyration precision about calibration and testing process, and the instrument calibration that arouses and detection error to in time provide error warning to the operator, improve the reliability of three-dimensional gauge head gear measurement center detection structure, make things convenient for the diagnosis of instrument alarm error.
Claims (3)
1. A three-dimensional gauge head gear measurement centre synchronous rotation error monitoring system comprises: the axle sleeve, characterized by: the magnetic induction type photoelectric Hall switch is characterized in that an upper tip is installed on the left side of the shaft sleeve, a retainer is installed between the upper tip and the shaft sleeve, the tail of the upper tip is connected with the inner rod through a bolt, a bearing is installed on the left side of the inner rod and the end face of the spring sleeve, a spring is installed between the inner rod and the spring sleeve, a groove is formed in the right end of the inner rod, a permanent magnet is installed in the groove, the right end of the shaft sleeve is connected with an end cover through threads, a magnetic induction chip is installed on the outer side of the end cover, and a photoelectric Hall switch is installed in a hole.
2. The system for monitoring the synchronous revolution error of the three-dimensional measuring head gear measuring tip according to claim 1, characterized in that: the middle position above the shaft sleeve is provided with a positioning nail, the outer part of the end cover is arranged in the sleeve, the retainer is made of polytetrafluoroethylene, the size of the permanent magnet is phi 8 multiplied by 3, and the magnetic induction chip is an AS5041 magnetic induction chip.
3. The monitoring method of the synchronous revolution error monitoring system of the three-dimensional measuring head gear measuring tip according to one of claims 1 to 2, characterized by comprising the following steps: the method comprises the following steps:
firstly, before the detection work of an instrument is started, aligning and placing a lower end positioning hole of a workpiece to be detected on a lower tip provided with a spindle encoder, controlling a tip upright post servo motor to drive a tip support arm to move downwards through an electric control system of a three-dimensional gear measurement center to shorten the distance between the upper tip and the lower tip, so that an upper tip in a synchronous revolution error diagnosis system of the upper tip and the lower tip of the three-dimensional measuring head gear measurement center is aligned with the positioning hole of the workpiece to be detected, compressing a spring under the pressure action in the downward moving process of the upper tip until the upper end position of the upper tip triggers a photoelectric Hall switch to stop the movement of the tip support arm, pressing the workpiece to be detected under the reaction force of the spring at the moment, ensuring that the gap between a radial magnetized phi 8 x 3 permanent magnet and a magnetic sensing chip AS5041 reaches 1mm-1.5mm, reaching the sensing range of the magnetic sensing chip AS5041, and rotating the workpiece to be detected, the radial magnetized phi 8 multiplied by 3 permanent magnet synchronously rotates, and a gear measurement center measurement system can acquire the angle position value of the measured workpiece through the magnetic induction chip AS 5041;
then after the measurement action of the instrument is started, the lower center rotating main shaft is driven by a torque motor to synchronously rotate a workpiece to be measured through a driving device to finish the measurement action, meanwhile, the permanent magnet in the upper center structure synchronously rotates, and the magnetic induction chip AS5041 feeds back the collected upper center rotating angle value to the computer in real time;
in the whole measurement engineering, the computer acquisition system acquires and compares the angle value fed back by the upper tip and the angle encoder value in the rotating shaft of the lower tip in real time, theoretically, the data of the rotating angle recorded at each moment should be consistent, when the computer acquisition system detects that the comparison result exceeds the specified tolerance range, a computer program sends out a warning prompt to an operator, the measurement action is automatically stopped, and the operator is prompted to continue to measure after the error reason is diagnosed.
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| CN202011491668.2A CN112361943A (en) | 2020-12-16 | 2020-12-16 | System and method for monitoring synchronous rotation error of gear measuring tip of three-dimensional measuring head |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669408A (en) * | 2021-09-13 | 2021-11-19 | 哈尔滨量具刃具集团有限责任公司 | Three-dimensional measuring head sucker impedance force adjusting structure and adjusting method |
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| CN213714194U (en) * | 2020-12-16 | 2021-07-16 | 哈尔滨量具刃具集团有限责任公司 | Synchronous rotation error monitoring system for gear measuring tip of three-dimensional measuring head |
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2020
- 2020-12-16 CN CN202011491668.2A patent/CN112361943A/en active Pending
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| CN101539392A (en) * | 2009-04-09 | 2009-09-23 | 常州天山重工机械有限公司 | Device and method for calibrating center jitter |
| JP2012132883A (en) * | 2010-12-24 | 2012-07-12 | Aisan Ind Co Ltd | Manufacturing method for detecting device, component with detecting device, and throttle control device |
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| WO2015178769A1 (en) * | 2014-05-20 | 2015-11-26 | Cabin Air Group B.V. | Cable, and method for monitoring a cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113669408A (en) * | 2021-09-13 | 2021-11-19 | 哈尔滨量具刃具集团有限责任公司 | Three-dimensional measuring head sucker impedance force adjusting structure and adjusting method |
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