CN108161256A - Revolving-body dynamic-balancing bearing calibration - Google Patents
Revolving-body dynamic-balancing bearing calibration Download PDFInfo
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- CN108161256A CN108161256A CN201711037528.6A CN201711037528A CN108161256A CN 108161256 A CN108161256 A CN 108161256A CN 201711037528 A CN201711037528 A CN 201711037528A CN 108161256 A CN108161256 A CN 108161256A
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- China
- Prior art keywords
- revolving
- revolving body
- corrected
- dynamic
- superlaser
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
- B23K26/382—Removing material by boring or cutting by boring
- B23K26/389—Removing material by boring or cutting by boring of fluid openings, e.g. nozzles, jets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/046—Automatically focusing the laser beam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0823—Devices involving rotation of the workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
- B23K26/123—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in an atmosphere of particular gases
Abstract
The present invention relates to field of laser processing.To improve Adjustment precision, adjustment difficulty is reduced, improves regulated efficiency, the present invention proposes a kind of revolving-body dynamic-balancing bearing calibration, revolving body to be corrected is installed, starting driving motor makes the rotating speed of revolving body to be corrected reach working speed, and measurement result is transferred in control system by dynamic-balance measuring system；Calculate working power, frequency and the scanning times and radius of machining of superlaser；Adjust focus adjusting mechanism；The position for driving the unbalance mass, on revolving body to be corrected according to the positioning result of position-finding system is rotated to the zone of action of superlaser, carries out loss of weight processing, until loss of weight is completed；Revolving body after being processed to loss of weight carries out repetition measurement, and when the unbalance mass, of revolving body is unsatisfactory for requirement, the operation of duplicate measurements loss of weight, until the unbalance mass, of revolving body meets requirement, correction is completed.The revolving-body dynamic-balancing bearing calibration Adjustment precision is higher, and difficulty is low, efficient.
Description
Technical field
The present invention relates to field of laser processing more particularly to it is a kind of Laser Processing when to high-speed rotator to be processed into
The dynamic balance calibrating method of row adjustment.
Background technology
Revolving body would generally, blank defect uneven because of material, processing and the error that generates or because of design during assembling
Reason and form asymmetrical geometry.Such revolving body can generate in rotary course because of each small particle
It is in periodically variable centrifugal intertia force that centrifugal intertia force, which cannot cancel out each other and generate size and direction, therefore such revolution
Body causes vibration when being in non-equilibrium state in rotary course, generates noise, accelerated wear test, and then lead to the machine of revolving body
The tool lost of life results even in serious destructive accident and occurs.
Revolving body is typically the important component of mechanical system, such as motor, flywheel etc..Revolving body draws due to imbalance
Vibration is played, and then leads to be equipped with the mechanical equipment vibration of revolving body, generate noise or even mechanical equipment can be damaged,
The mechanical accident for being especially equipped with the mechanical equipment generation of high-speed rotating revolving body such as motor becomes apparent, such failure
Account for about more than 60% whole failures of mechanical equipment.Therefore, dynamic balance calibration need to be carried out to revolving body, i.e., by increasing weight or subtracting
Make revolving body in rotary course in the range of vibration caused by imbalance is reduced to the permission of minimum or engineer application again.
At present, the common method to revolving body progress dynamic balancing adjustment is：First to revolving body into action balance quality and
Then angle measurement removes revolving body from measuring table, and revolving body is carried out according to measurement result using auxiliary tool
Contact increases weight or loss of weight, until revolving body is in dynamic equilibrium state in rotary course.This kind of method exists following insufficient：
1st, during the adjustment, the revolving body being balanced need to be carried out repeating assembly or disassembly, therefore operating personnel are adjusting
Shi Buneng accurately controls the angle position of revolving body, and the Adjustment precision for leading to revolving body is low, and then revolving body is caused to exist
Error is also easy to produce in assembling process, causes unwanted vibrations；
2nd, the increase and decrease for being carried out Tiny Mass to the revolving body being balanced using auxiliary tool is operated, and realizes that difficulty is big；
3rd, auxiliary tool increases weight to revolving body using contact or loss of weight, leads to revolving body during quality increase and decrease
Generate stress；
4th, it when being adjusted to the revolving body being balanced, need to be operated by multiple stations, adjustment is caused to perform effect
Rate is low, and Setup Cost is high.
Invention content
To improve Adjustment precision, adjustment difficulty is reduced, improves regulated efficiency, the present invention proposes a kind of revolving-body dynamic-balancing school
Correction method, the revolving-body dynamic-balancing bearing calibration include the following steps：
Step S1, revolving body to be corrected is mounted on revolving-body dynamic-balancing means for correcting；
The revolving-body dynamic-balancing means for correcting include workbench, driving motor, laser, light path system, focus adjusting mechanism,
Dynamic-balance measuring system, position-finding system and control system；Support crane span structure and rotary shaft, the rotary shaft are provided on the workbench
It is erected on the support crane span structure, and the revolving body to be corrected is fixed in the rotary shaft；The driving motor
Output shaft and the rotation axis connection simultaneously drive the rotary shaft to rotate；The laser is connect with the control system, is used for
Export superlaser；The light path system is connected with the laser, and the superlaser of laser output is expanded
Beam shaping, path are fixed and are focused on；The focus adjusting mechanism is connect with the light path system, and to the height of light path system output
The position of the focus of energy laser is adjusted；The dynamic-balance measuring system is used to measure the imbalance of the revolving body to be corrected
Quality and phase, and measurement result is transferred in the control system；The position-finding system is used for the revolution to be corrected
The position of unbalance mass, on body is positioned, and positioning result is transferred in the control system；The control system
The driving motor is controlled to drive the rotary shaft rotation according to the positioning result of the position-finding system, make the revolution to be corrected
The position of unbalance mass, on body is rotated in the zone of action of the laser exported to the light path system；According to the dynamic balancing
The measurement result of measuring system controls the laser output superlaser to remove the uneven matter on the revolving body to be corrected
Amount；
Step S2, start the driving motor, the rotary shaft is driven to rotate, make the turn up of the revolving body to be corrected
To working speed, after the measurement result of the vibrating sensor is stablized, the dynamic-balance measuring system transmits measurement result
Into the control system；The control system controls the driving motor to shut down, and the revolving body to be corrected is made to stop operating；
Step S3, described control system calculates the working power of the superlaser, frequency according to measurement result and sweeps
Retouch the radius of machining of number and the revolving body to be corrected；
Step S4, result of calculation of the described control system in the step S3 controls the focus adjusting mechanism to the light
Road system is adjusted, and the focus of the superlaser of the light path system output is made to be located on the revolving body to be corrected and waits to subtract
On horizontal plane where the section of weight position；
Step S5, described control system drives the driving motor work to drive according to the positioning result of the position-finding system
The rotary shaft rotation, until the position of the unbalance mass, on the revolving body to be corrected is rotated to the work of the superlaser
With in region, and the laser output superlaser is controlled to carry out loss of weight processing to the revolving body to be corrected；Knot to be processed
Shu Hou, the control system control revolving body rotation to be corrected, until next injustice on the revolving body to be corrected
The position of weighing apparatus quality is rotated to the zone of action of the superlaser, and the laser is controlled to export superlaser to described
Revolving body to be corrected carries out loss of weight processing；This step is repeated, until loss of weight is completed；
Step S6, the revolving body after being processed using the dynamic-balance measuring system to loss of weight carries out repetition measurement, when the revolution
When the unbalance mass, of body is unsatisfactory for requirement, repeating said steps S1 to the step S4；When the injustice of the revolving body
When weighing apparatus quality meets requirement, correction is completed.
The uneven matter of revolving body to be corrected is measured in the revolving-body dynamic-balancing bearing calibration using dynamic-balance measuring system
Amount and phase, the position of the unbalance mass, on revolving body to be corrected are oriented using position-finding system, and positioning result is transmitted
Into control system, control system is made to control driving motor that revolving body to be corrected is driven to turn to light path system according to positioning result
In the zone of action of the laser of output, and then control system is made laser output superlaser to be controlled to treat school according to measurement result
Positive revolving body carries out contactless cutting processing, the unbalance mass, on revolving body to be corrected is removed, so as to complete to treat school
The dynamic balance calibration of positive revolving body.The revolving-body dynamic-balancing bearing calibration is using control system according to the survey of dynamic-balance measuring system
Amount result automatically controls the amount of the unbalance mass, of removal so that the Adjustment precision of revolving body is higher；It is treated using superlaser
It corrects revolving body and carries out contactless cutting processing, it can be achieved that small unbalance mass, goes division operation, adjustment difficulty is significantly
It reduces；It is automatically controlled using control system and completes to operate the dynamic balance calibration of revolving body, simple to operate, regulated efficiency
It is high.
Preferably, the pressing plate of the fixed rotary shaft is provided at the top of the support crane span structure on the workbench, and should
Pressing plate is fixed on by fixing screws on the support crane span structure.It is installed back in this way, need to only screw fixing screws and can be completed
The dismounting of the rotary shaft of swivel so that the dismounting of revolving body is simple and convenient.
Preferably, the light path system includes in the beam expanding lens set gradually, turns to reflective mirror, galvanometer and field lens, described
The superlaser that beam expanding lens is used to export the laser expands；The steering reflective mirror is to the superlaser after expanding
Reflection steering is carried out, the superlaser after described expand is made to be reflected on the galvanometer, and after the galvanometer and the field lens
Output；The galvanometer and the field lens are connect with the focus adjusting mechanism, and require to adjust according to the adjusting that the focus adjusting mechanism exports
The position of the focus of superlaser after being expanded described in section.Further, the galvanometer is XY twin shaft galvanometers.Further preferably
Ground, the light path system further includes instruction radiant and instruction light reflective mirror, and the instruction light reflective mirror is located at described expand
On the front side of mirror and the instruction light reflection to the beam expanding lens for sending out the instruction radiant, and the height of laser output
Energy laser is transmitted to from the instruction light reflective mirror on the beam expanding lens.In this way, in correction course, using light path system pair
The superlaser of laser output is expanded, while the transmission path of fixed superlaser, is facilitated control, is completed superlaser
Focusing operation, facilitate superlaser completion treat correction revolving body finished surface carry out cutting processing, improve correction adjust
Whole efficiency.
Preferably, the dynamic-balance measuring system includes vibrating sensor, photodetector, data collecting card and measures electricity
Road plate, the vibrating sensor acquire the vibration data of the revolving body to be corrected and are converted into vibration electric signal, the photoelectricity
Detector detects the rotary speed data of the revolving body to be corrected and is converted into rotating speed electric signal, described in the data collecting card acquisition
Vibration electric signal and the rotating speed electric signal are simultaneously transferred in the measuring circuit plate, and the measuring circuit plate is according to the vibration
Electric signal and the rotating speed electric signal calculate the unbalance mass, and phase of the revolving body to be corrected.Further, it is described
Dynamic-balance measuring system includes two vibrating sensors, and two vibrating sensors are mounted on two on the workbench
It supports on crane span structure.In this way, the measurement precision of dynamic-balance measuring system can be improved, and then improve revolving-body dynamic-balancing correction dress
The correction accuracy put.
Preferably, the revolving-body dynamic-balancing means for correcting further includes gas supply system, the gas supply system and institute
State control system connection；When carrying out loss of weight processing to the revolving body to be corrected in the step S5, it is using the control
The control gas supply system output inert gas of system carries out gas shield to the finished surface of the revolving body to be corrected.
In this way, when the superlaser of laser output treats the finished surface progress Laser cutting of correction revolving body, it is available
The finished surface that gas supply system output inert gas treats correction revolving body carries out gas shield, avoids revolving body to be corrected
Finished surface oxidation and influence correction accuracy.Further, the gas supply system includes gas bomb and air outlet pipe, and institute
The gas control valve for being provided in air outlet pipe and being connect with the control system is stated, it is lazy in order to which gas supply system is controlled to export
Property gas speed, so as to inert gas being avoided to waste under the premise of gas shield is ensured.
Preferably, the revolving-body dynamic-balancing means for correcting further includes dustproof construction, which is with the control
System connection；When carrying out loss of weight processing to the revolving body to be corrected in the step S5, institute is controlled using the control system
Dustproof construction is stated to move and be located on the revolving body to be corrected to the position on the revolving body to be corrected in addition to uneven put
Put carry out proofing dust and protecting.In this way, during loss of weight is cut, treated using dustproof construction and remove and need to be swashed on correction revolving body
Position outside the uneven point of light cutting carries out proofing dust and protecting, to avoid the adsorbing powder dust formed by laser cutting on revolving body
And influence the correction accuracy of revolving body.
Description of the drawings
Fig. 1 is the structure diagram of revolving-body dynamic-balancing means for correcting used in the method for the present invention；
Fig. 2 is the structure diagram of balance of rotors means for correcting shown in FIG. 1；
Fig. 3 is revolving-body dynamic-balancing bearing calibration flow chart of the present invention.
Specific embodiment
In the following, it is described in detail with reference to Fig. 1-3 pairs of revolving-body dynamic-balancing bearing calibrations of the present invention.
As illustrated in fig. 1 and 2, the revolving-body dynamic-balancing means for correcting that revolving-body dynamic-balancing bearing calibration of the present invention uses includes
Workbench 1, driving motor 2, laser 3, light path system 4, focus adjusting mechanism 5, dynamic-balance measuring system 6, position-finding system 7, control
System 8, gas supply system 9 and dustproof construction 10.Wherein, the support for installing revolving body A to be corrected is provided on workbench 1
Crane span structure 11 and rotary shaft 12, which is erected on support crane span structure 11, and revolving body A to be corrected is fixed on rotary shaft
On 12.Preferably, the top of support crane span structure 11 is provided with the pressing plate (not depending on going out in figure) of fixed rotary shaft 12, and the pressing plate leads to
Fixing screws are crossed to be fixed on support crane span structure 11.It can be completed and install back in this way, operating personnel need to only screw fixing screws
The disassembling operations of the rotary shaft of swivel so that the disassembling operations of revolving body are simple and convenient.
The output shaft of driving motor 2 connect with rotary shaft 12 and rotary shaft 12 is driven to rotate.In this way, it is carried out to revolving body
During dynamic balance calibration, drive rotary shaft 12 that revolving body A to be corrected is driven to rotate using driving motor 2.Preferably, driving motor
2 output shaft can be connect by shaft coupling with rotary shaft 12.
Laser 3 is connect with control system 8, for exporting superlaser.In this way, treating correction revolving body A into action
During balance correction, control whether laser 3 exports superlaser and when exporting superlaser using control system 8, control
Laser 3 processed exports the wavelength and mean power of superlaser, in order to improve correction accuracy.
Light path system 4 is connected with laser 3, and the superlaser exported to laser 3 carries out expanding shaping, path is fixed
And focusing, and focus adjusting mechanism 5 is connect with light path system 4, and the position of the focus of superlaser that light path system 4 exports is carried out
It adjusts.Preferably, light path system 4 includes in the beam expanding lens 41 set gradually, turns to reflective mirror 42, galvanometer 43 and field lens 44,
In, the superlaser that beam expanding lens 41 is used to export laser 3 expands；Reflective mirror 42 is turned to the superlaser after expanding
Reflection steering is carried out, the superlaser after expanding is made to be reflected on galvanometer, and is exported after galvanometer 43 and field lens 44；43 He of galvanometer
Field lens 43 is connect with focus adjusting mechanism 5, and the adjusting requirement exported according to focus adjusting mechanism 5 adjusts the focus of the superlaser after expanding
Position.Preferably, galvanometer is XY twin shaft galvanometers.Preferably, light path system 4 further includes instruction radiant 45 and instruction light is reflective
Mirror 46, and indicate that light reflective mirror 46 is located at the front side of beam expanding lens 41 and instruction light reflection that radiant 45 is sent out will be indicated to expanding
On mirror 41, and the superlaser that laser 3 exports is transmitted to from instruction light reflective mirror 46 on beam expanding lens 41.In this way, correcting
Cheng Zhong, the superlaser exported using light path system 4 to laser 3 expand, while the transmission road of fixed superlaser
Diameter facilitates control, completes the focusing operation of superlaser, and superlaser completion is facilitated to treat the finished surface of correction revolving body A
Cutting processing is carried out, improves correction regulated efficiency.
Dynamic-balance measuring system 6 is used to measure the unbalance mass, and phase of revolving body A to be corrected, and measurement result is passed
It is defeated in control system 8.Wherein, dynamic-balance measuring system includes vibrating sensor 61, photodetector 62, data collecting card 63
With measuring circuit plate 64, vibrating sensor 61 acquires the vibration data of revolving body A to be corrected and is converted into vibration electric signal, photoelectricity
Detector 62 detects the rotary speed data of revolving body A to be corrected and is converted into rotating speed electric signal, the acquisition vibration electricity of data collecting card 63
Signal and rotating speed electric signal are simultaneously transferred in measuring circuit plate 64, and measuring circuit plate 64 is according to vibration electric signal and rotating speed electric signal
The unbalance mass, and phase of revolving body A to be corrected is calculated.Preferably, the quantity of vibrating sensor 61 is two, and is pacified
On two support crane span structures 11 on workbench 1.In this way, the measurement precision of dynamic-balance measuring system, Jin Erti can be improved
The correction accuracy of the high revolving-body dynamic-balancing means for correcting.
The position that position-finding system 7 is used to treat the unbalance mass, on correction revolving body A is positioned, and by positioning result
It is transferred in control system 8.
Gas supply system 9 is connect with control system 8, and is exported inert gas under the control of control system 8 and treated school
The finished surface of positive revolving body A carries out gas shield.In this way, treat correction revolving body A's in the superlaser that laser 3 exports
When finished surface carries out Laser cutting, export inert gas using gas supply system 9 and treat adding for correction revolving body A
Work surface carries out gas shield, and the finished surface of revolving body A to be corrected is avoided to aoxidize and influence correction accuracy.Preferably, gas
Feed system 9 includes gas bomb 91 and air outlet pipe, and the gas control valve 92 being connect with control system 8 is provided in air outlet pipe, and
The gas outlet 931 of air outlet pipe is towards revolving body A to be corrected, in this way, control gas is needed to supply according to protection using control system 8
To the speed for the inert gas that system 9 exports, so as to inert gas be avoided to waste under the premise of gas shield is ensured.
Dustproof construction 10 is connect with control system 8, and revolving body A to be corrected is located under the control of place control system 8
It removes above or from revolving body A to be corrected.Dustproof construction 10 can be fastened by two semicolumn housings and be formed.In this way, cutting
In the process, remaining position on correction revolving body A in addition to the uneven point that need to be cut by laser is treated using dustproof construction 10
Carry out proofing dust and protecting is put, is influenced to be corrected time due on revolving body A to be corrected to avoid the adsorbing powder dust formed because laser cutting
Turn the correction accuracy of A.
When being corrected, control system 8 controls the driving rotation of driving motor 2 according to the positioning result of position-finding system 7 first
Shaft 12 rotates, and the position of the unbalance mass, on revolving body A to be corrected is made to rotate the effect of the laser exported to light path system 4
In region；Superlaser removal revolving body to be corrected is exported further according to the measurement result control laser 3 of dynamic-balance measuring system 6
Unbalance mass, on A, and gas control valve 92 is controlled using control system 8 in laser processing procedure, make air outlet pipe from going out
Gas port output inert gas to the finished surface of revolving body A to be corrected on, so as to revolving body A to be corrected surface by oxidation shadow
Ring the correction accuracy of revolving body A to be corrected.
The revolving-body dynamic-balancing means for correcting measures the uneven matter of revolving body to be corrected using dynamic-balance measuring system
Amount and phase, the position of the unbalance mass, on revolving body to be corrected are oriented using position-finding system, and positioning result is transmitted
Into control system, control system is made to control driving motor that revolving body to be corrected is driven to turn to light path system according to positioning result
In the zone of action of the laser of output, and then control system is made laser output superlaser to be controlled to treat school according to measurement result
Positive revolving body carries out contactless cutting processing, the unbalance mass, on revolving body to be corrected is removed, so as to complete to treat school
The dynamic balance calibration of positive revolving body.The revolving-body dynamic-balancing means for correcting is using control system according to the survey of dynamic-balance measuring system
Amount result automatically controls the amount of the unbalance mass, of removal so that the Adjustment precision of revolving body is higher；It is treated using superlaser
It corrects revolving body and carries out contactless cutting processing, it can be achieved that small unbalance mass, goes division operation, adjustment difficulty is significantly
It reduces；It is automatically controlled using control system and completes to operate the dynamic balance calibration of revolving body, simple to operate, regulated efficiency
It is high.
As indicated at 3, revolving-body dynamic-balancing bearing calibration of the present invention includes the following steps：
Step S1, the rotation being fixed on revolving body A to be corrected on workbench in revolving-body dynamic-balancing means for correcting
In shaft 12.
Step S2, start driving motor 2, rotary shaft 12 is driven to rotate, the rotating speed of revolving body A to be corrected is made to reach work and is turned
Speed, after the measurement result of vibrating sensor 61 is stablized, measurement result is transferred in control system 8 by dynamic-balance measuring system 6；
Control system 8 controls driving motor 2 to shut down, and revolving body A to be corrected is made to stop operating.
Step S3, control system 8 according to measurement result calculate working power, frequency and the scanning times of superlaser with
And the radius of machining of revolving body A to be corrected.
Step S4, result of calculation control focus adjusting mechanism 5 of the control system 8 in step S3 adjusts light path system 4
Section makes the focus of superlaser that light path system 4 exports be located at where the section for treating loss of weight position on revolving body A to be corrected
On horizontal plane.
Step S5, control system 8 drives driving motor work to drive rotation shaft rotation according to the positioning result of position-finding system 7
It is dynamic, until the position of the unbalance mass, on revolving body A to be corrected is rotated to the zone of action of superlaser, and control laser
Device 3 exports superlaser and treats the A progress blind hole loss of weight processing of correction revolving body；After to be processed, school is treated in the control of control system 8
Positive revolving body A rotations, until the position of next unbalance mass, on revolving body A to be corrected is rotated to the effect of superlaser
In region, and laser 3 is controlled to export superlaser and treats the A progress blind hole loss of weight processing of correction revolving body；This step is repeated, directly
It is completed to loss of weight.Preferably, when treating the A progress blind hole loss of weight processing of correction revolving body, utilize control system 8 that gas is controlled to supply
The finished surface that correction revolving body A is treated to the output inert gas of system 9 carries out gas shield；Started using control system 8 anti-
Dirt structure 10 moves dust-proof mechanism 10 and is located to treat on revolving body A to be corrected to remove uneven point on correction revolving body A
Outer position carries out proofing dust and protecting.
Step S6, the revolving body A to be corrected after being processed using dynamic-balance measuring system 6 to loss of weight carries out repetition measurement, when treating school
When the unbalance mass, of positive revolving body A is unsatisfactory for requirement, step S1 is repeated to step S4；When revolving body A to be corrected not
When balance quality meets requirement, correction is completed.
Embodiment 1
Dynamic balance calibration is carried out to the motor rotor that rotational speed is 5000r/min, uses wavelength as the infrared of 1064nm
Pulse laser, output mean power are 30W, and the material of rotor is stainless steel.The spray of relative zero is first carried out to motor rotor
Apply label, then by motor rotor installation support crane span structure on the table, and with pressing plate and fixing screws the two of rotary shaft
End is fixedly mounted on support crane span structure, is powered on, and carries out dynamic balance calibration.When photodetector detects that spinner velocity reaches
During 5000r/min, start with dynamic-balance measuring system and dynamic balancing measurement, the amount of unbalance difference of left and right are carried out to motor rotor
For 10mg (34 °) and 17mg (121 °) and after reaching stable, driving motor stops operating, and motor rotor stops naturally, about the used time
50s, position-finding system movement are searched out the uneven of motor rotor the right and left and put and turned using driving motor drive motor respectively
Son rotation makes uneven point rotation on motor rotor to laser that can export laser to motor using laser in machining area
Rotor carries out quality removal, used time about 3min.Removal completes there was only the amount of unbalance on right side at this time into action balance repetition measurement again
3mg (76 °) is not weighed removal, used time about 2min carries out second of repetition measurement, knot after the completion of removal again more than permissible value
Fruit meets the requirements.Without artificially participating in during total, reduce labour, the repeated disassembled and assembled of no workpiece avoids installation and causes
Amount of unbalance error, total used time 8.6min efficiency significantly improves.
Claims (10)
1. a kind of revolving-body dynamic-balancing bearing calibration, which is characterized in that the revolving-body dynamic-balancing bearing calibration includes the following steps：
Step S1, revolving body to be corrected is mounted on revolving-body dynamic-balancing means for correcting；
The revolving-body dynamic-balancing means for correcting includes workbench, driving motor, laser, light path system, focus adjusting mechanism, moves and put down
Weigh measuring system, position-finding system and control system；Support crane span structure and rotary shaft are provided on the workbench, which sets up
On the support crane span structure, and the revolving body to be corrected is fixed in the rotary shaft；The output of the driving motor
Axis and the rotation axis connection simultaneously drive the rotary shaft to rotate；The laser is connect with the control system, for exporting
Superlaser；The light path system is connected with the laser, and the superlaser of laser output expand whole
Shape, path are fixed and are focused on；The focus adjusting mechanism is connect with the light path system, and the high energy of light path system output is swashed
The position of the focus of light is adjusted；The dynamic-balance measuring system is used to measure the unbalance mass, of the revolving body to be corrected
And phase, and measurement result is transferred in the control system；The position-finding system is used for the revolving body to be corrected
The position of unbalance mass, positioned, and positioning result is transferred in the control system；The control system according to
The positioning result of the position-finding system controls the driving motor to drive the rotary shaft rotation, makes on the revolving body to be corrected
The position of unbalance mass, rotate in the zone of action of the laser exported to the light path system；According to the dynamic balancing measurement
The measurement result of system controls the laser output superlaser to remove the unbalance mass, on the revolving body to be corrected；
Step S2, start the driving motor, the rotary shaft is driven to rotate, the rotating speed of the revolving body to be corrected is made to reach work
Make rotating speed, after the measurement result of the vibrating sensor is stablized, measurement result is transferred to institute by the dynamic-balance measuring system
It states in control system；The control system controls the driving motor to shut down, and the revolving body to be corrected is made to stop operating；
Step S3, described control system calculates working power, frequency and the scanning time of the superlaser according to measurement result
The radius of machining of several and described revolving body to be corrected；
Step S4, result of calculation of the described control system in the step S3 controls the focus adjusting mechanism to the light path system
System is adjusted, and the focus of the superlaser of the light path system output is made to be located on the revolving body to be corrected and treats loss of weight position
On horizontal plane where the section put；
Step S5, described control system is according to the positioning result of the position-finding system drives the driving motor work to drive
Rotary shaft rotates, until the position of the unbalance mass, on the revolving body to be corrected is rotated to the active region of the superlaser
In domain, and the laser output superlaser is controlled to carry out loss of weight processing to the revolving body to be corrected；After to be processed,
The control system control revolving body rotation to be corrected, until next unbalance mass, on the revolving body to be corrected
Position rotate to the zone of action of the superlaser, and the laser is controlled to export superlaser to described to be corrected
Revolving body carries out loss of weight processing；This step is repeated, until loss of weight is completed；
Step S6, the revolving body after being processed using the dynamic-balance measuring system to loss of weight carries out repetition measurement, when the revolving body
When unbalance mass, is unsatisfactory for requirement, repeating said steps S1 to the step S4；When the uneven matter of the revolving body
When amount meets requirement, correction is completed.
2. revolving-body dynamic-balancing bearing calibration according to claim 1, which is characterized in that the support bridge on the workbench
The pressing plate of the fixed rotary shaft is provided at the top of frame, and the pressing plate is fixed on the support bridge by fixing screws
On frame.
3. revolving-body dynamic-balancing bearing calibration according to claim 1 or 2, which is characterized in that the light path system includes
In the beam expanding lens set gradually, reflective mirror, galvanometer and field lens are turned to, the beam expanding lens is used for the high energy exported to the laser
Laser is expanded；The steering reflective mirror carries out reflection steering to the superlaser after expanding, and makes the high energy after described expand
On laser reflection to the galvanometer, and exported after the galvanometer and the field lens；The galvanometer and the field lens and the tune
Focusing mechanism connect, and according to the focus adjusting mechanism export adjusting requirement adjust described in expand after superlaser focus position
It puts.
4. revolving-body dynamic-balancing bearing calibration according to claim 3, which is characterized in that the galvanometer shakes for XY twin shafts
Mirror.
5. revolving-body dynamic-balancing bearing calibration according to claim 3, which is characterized in that the light path system further includes finger
Show radiant and instruction light reflective mirror, and the instruction light reflective mirror is located at the front side of the beam expanding lens and indicates light light by described
In the instruction light reflection to the beam expanding lens that source is sent out, and the superlaser of laser output indicates light reflective mirror from described
It is transmitted on the beam expanding lens.
6. revolving-body dynamic-balancing bearing calibration according to claim 1 or 2, which is characterized in that the dynamic balancing measurement system
System includes vibrating sensor, photodetector, data collecting card and measuring circuit plate, and school is treated described in the vibrating sensor acquisition
The vibration data of positive revolving body is simultaneously converted into vibration electric signal, and the photodetector detects the rotating speed of the revolving body to be corrected
Data are simultaneously converted into rotating speed electric signal, and the data collecting card acquisition is described to be vibrated electric signal and the rotating speed electric signal and transmit
Into the measuring circuit plate, the measuring circuit plate is according to calculating the vibration electric signal and the rotating speed electric signal
The unbalance mass, and phase of revolving body to be corrected.
7. revolving-body dynamic-balancing bearing calibration according to claim 5, which is characterized in that in the dynamic-balance measuring system
Including two vibrating sensors, and two vibrating sensors are mounted on two support crane span structures on the workbench.
8. revolving-body dynamic-balancing bearing calibration according to claim 1 or 2, which is characterized in that the revolving-body dynamic-balancing
Means for correcting further includes gas supply system, which connect with the control system；It is right in the step S5
When the revolving body to be corrected carries out loss of weight processing, inertia is exported using the control of the control system gas supply system
Gas carries out gas shield to the finished surface of the revolving body to be corrected.
9. revolving-body dynamic-balancing bearing calibration according to claim 8, which is characterized in that the gas supply system includes
Gas bomb and air outlet pipe, and the gas control valve being connect with the control system is provided in the air outlet pipe.
10. revolving-body dynamic-balancing bearing calibration according to claim 1 or 2, which is characterized in that the revolving-body dynamic-balancing
Means for correcting further includes dustproof construction, which connect with the control system；In the step S5 school is treated to described
When positive revolving body carries out loss of weight processing, the dustproof construction is controlled to move using the control system and be located at described to be corrected
Proofing dust and protecting is carried out to the position on the revolving body to be corrected in addition to uneven put on revolving body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711037528.6A CN108161256A (en) | 2017-10-30 | 2017-10-30 | Revolving-body dynamic-balancing bearing calibration |
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| CN201711037528.6A CN108161256A (en) | 2017-10-30 | 2017-10-30 | Revolving-body dynamic-balancing bearing calibration |
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Application publication date: 20180615 |