CN108332969A - A kind of electro spindle comprehensive performance testing system - Google Patents
A kind of electro spindle comprehensive performance testing system Download PDFInfo
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- CN108332969A CN108332969A CN201810370303.0A CN201810370303A CN108332969A CN 108332969 A CN108332969 A CN 108332969A CN 201810370303 A CN201810370303 A CN 201810370303A CN 108332969 A CN108332969 A CN 108332969A
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- electro spindle
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- comprehensive performance
- sensor
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/028—Acoustic or vibration analysis
Abstract
The invention discloses a kind of electro spindle comprehensive performance testing systems, including：Host computer, the frequency converter for driving tested electro spindle operation, the electro spindle tool mechanism for being tested electro spindle positioning, the pulsation measurement device of the mandrel axial runout information for measuring tested electro spindle and the rotational speed and torque measuring device for measuring tested electro spindle rotational speed and torque information；It is also associated with acquisition on electro spindle tool mechanism and is tested the vibrating sensor that multiple sound level sensors of different location noise information and acquisition in multiple temperature sensors of electro spindle surface different location temperature information, the tested electro spindle operation of acquisition are tested vibration information in electro spindle operation；The information that host computer is acquired according to each measuring device and sensor carries out all-round property testing to tested electro spindle, realizes the automatic test of electro spindle comprehensive performance, and testing efficiency is high, test result is accurate and reliable；It is simple in structure, easy for installation, the electro spindle test of plurality of specifications can be completed.
Description
Technical field
The present invention relates to a kind of electro spindle comprehensive performance testing systems, belong to testing techniques of equipment field.
Background technology
Electro spindle is the High-speed machining performance that the core component of High Speed NC Machine Tools its performance directly determines lathe.Electricity
Main shaft high speed rotation during the work time, it is desirable that it has very high acceleration and deceleration performance, this just to the heat dissipation of electro spindle, lubrication and
Precision control proposes high requirement.Simultaneously main shaft during high-speed cruising due to electric mainshaft bearing with it is built-in the motor feels hot,
A series of problems, such as will causing electro spindle thermal deformation, vibration, noise, and then influencing machining accuracy.
Electro spindle is being run in the course of work, will produce certain noise, in industry spot and enterprise practical production,
Measure relevant to electro spindle noise and vibration mainly uses traditional single vibration or noise to join for evaluation by worker
It considers, can not comprehensively and accurately evaluate the true performance of electro spindle and operating condition.
Industry spot situation is complicated and changeable at the same most domestic electro spindle producer in produce reality for electro spindle
Can detection, digitlization and stability are inadequate, while measurement circuit builds chasing after for complicated, test method and material and product
Perfect not enough while electro spindle the key performance that traces back is affected by various factors, and the characteristics of due to electro spindle itself
Determine stability and reliability required under high speed, high-power environment.It is therefore desirable to carry out the comprehensive performance of electro spindle
Testing research, provide theoretical and realistic basis for the safe and stable operation of high-speed machine tool.
Invention content
It is an object of the invention to overcome deficiency in the prior art, a kind of electro spindle comprehensive performance testing system is provided,
Solve electro spindle performance detection digitlization in the prior art and stability not enough, measurement circuit build it is complicated, difficult to install
Technical problem.
In order to solve the above technical problems, the technical solution adopted in the present invention is：A kind of electro spindle all-round property testing system
System, including：Host computer, the frequency converter for driving tested electro spindle operation, the electro spindle tooling for being tested electro spindle positioning
Mechanism, the pulsation measurement device of mandrel axial runout information for measuring tested electro spindle and for measuring tested electro spindle
The rotational speed and torque measuring device of rotational speed and torque information；It is also associated with acquisition on the electro spindle tool mechanism and is tested electro spindle surface
Multiple temperature sensors of different location temperature information, acquisition are tested multiple sound of different location noise information in electro spindle operation
Grade sensor and acquisition are tested the vibrating sensor of vibration information in electro spindle operation；Electro spindle tool mechanism is main to tested electricity
Axis is fixed, and transducer drive is tested electro spindle operation, axial runout information that host computer is acquired according to pulsation measurement device,
The rotational speed and torque information of rotational speed and torque measuring device acquisition, temperature information, each sound level sensor of each temperature sensor acquisition are adopted
The vibration information of noise information and the vibrating sensor acquisition of collection carries out all-round property testing to tested electro spindle.
The electro spindle tool mechanism includes strap, ambulatory splint and ambulatory splint coasting mechanism；Ambulatory splint is logical
It crosses ambulatory splint coasting mechanism and adjusts the distance between itself and strap；Tested electro spindle is supported in strap and is pressed from both sides with activity
Between plate.
The strap and/or ambulatory splint are equipped with armful mounting board disk for being fixed to being tested electro spindle.
Described armful of mounting board disk include：Described armful of mounting board disk include：Chuck body, the claw in chuck body, driving
Claw along chuck body radial motion claw driving mechanism and be connected to claw end for be tested electro spindle positioning
Positioning pin；The claw is at least provided with three；The claw driving mechanism includes ring gear and driving in chuck body
Along the screw device of chuck body circumferential movement, the ring gear is threadedly coupled ring gear with claw back；Screw device drives
Ring gear rotates, by screw drive claw along chuck body radial motion.
Sensor installation band is connected on the electro spindle tool mechanism, the sensor installation band is along tested electro spindle week
To around loaded on tested electro spindle outer surface；Each temperature sensor, each sound level sensor are set to sensor installation and take.
The temperature sensor and spaced installed set on sensor of sound level sensor take.
The electro spindle tool mechanism is equipped with sound-insulating and heat-insulating cover.
It is also associated with radiator fan on the sound-insulating and heat-insulating cover.
The cooling profit that cooling and lubricating is carried out to being tested electro spindle is connected on electro spindle on the electro spindle tool mechanism
Slip pipe road；The temperature being connect with the host computer signal is respectively equipped at the cooling-lubricant import and export of the cooling and lubricating pipeline
Spend sensor.
The elevator for adjusting rotational speed and torque measuring device height is also associated with below the rotational speed and torque measuring device
Structure.
Compared with prior art, the advantageous effect of the invention reached is：A kind of electro spindle all-round property testing system is provided
System acquires the operation characteristic of electro spindle under electro spindle actual condition using multiple sensors, realizes electro spindle comprehensive performance oneself
Dynamic test, testing efficiency is high, test result is accurate and reliable；It is simple in structure, easy for installation, the electro spindle of plurality of specifications can be completed
Test.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of electro spindle tool mechanism in Fig. 1；
Fig. 3 is the structural schematic diagram for embracing mounting board disk；
Fig. 4 is D-D sectional views in Fig. 3；
In figure：1, electro spindle；2, sensor installs band；3, radiator fan；4, electro spindle temperature sensor；5, mandrel；6, shaft coupling
Device；7, rotational speed and torque measuring device；8, data processing unit；9, host computer；10, holder one；11, elevator；12, pulsation measurement
Device；13, electro spindle tool mechanism；14, sound level sensor；15, vibrating sensor；16-1, strap；16-2, activity folder
Plate；16-3, ambulatory splint coasting mechanism；17, workbench；18, sound-insulating and heat-insulating cover；19, cooling-lubricant temperature sensor；20、
Linear slide rail；21, slide；22, locking nut；23, mounting board disk is embraced；23-1, hexagonal sliding rail；23-2, ring gear；23-3, chuck
Ontology；23-4, claw；23-5, positioning pin；23-6 screw devices.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
As Fig. 1 be the present invention structural schematic diagram, including：Workbench 17, the host computer 9 on workbench 17, data
Processing unit, 1 tool mechanism 13 of rotational speed and torque measuring device 7, pulsation measurement device 12 and electro spindle.
Rotational speed and torque measuring device 7 is supported in by holder 1 on workbench 17, the lower section of rotational speed and torque measuring device 7
It is used to adjust the height of rotational speed and torque measuring device 7 equipped with elevator 11, to adapt to the electro spindle 1 of different size height.Rotating speed
The output shaft of torque measuring device 7 and the mandrel 5 of tested electro spindle are sequentially connected by shaft coupling 6.Rotational speed and torque measuring device 7
Any one of electric eddy current dynamometer, hydraulic dynamometer, electric A.C. dynamometer can be selected.
Pulsation measurement device 12 is set to by holder two on workbench 17, the jump for measuring mandrel 5 during electro spindle 1 is run
Dynamic information.Laser sensor, current vortex sensor, inductance type transducer, touch sensor can be selected in pulsation measurement device 12
Any one of.Laser sensor can be in the axial runout information and axial displacement information of a plane survey mandrel 5.
As shown in Fig. 2, 1 tool mechanism 13 of electro spindle includes strap 16-1, ambulatory splint 16-2 and ambulatory splint 16-
2 coasting mechanism 16-3, tested electro spindle 1 are supported between strap 16-1 and ambulatory splint 16-2.Ambulatory splint 16-2 is logical
It crosses ambulatory splint 16-2 coasting mechanisms 16-3 and adjusts the distance between itself and strap 16-1, to adapt to the tested of different length
Electro spindle 1.Ambulatory splint 16-2 coasting mechanisms 16-3 includes being connected to the slide 21 of the bottoms ambulatory splint 16-2 and for slide 21
The linear slide rail 20 slided is additionally provided with locking nut 22 on slide 21, after ambulatory splint 16-2 is adjusted in place, passes through locking screw
Slide 21 is lock onto on linear slide rail 20 by mother 22.
Sensor installation band 2 is connected on 1 tool mechanism 13 of electro spindle, sensor installs band 2 along tested electro spindle circumferential direction
Around loaded on 1 outer surface of tested electro spindle, sensor installs band 2 and is equipped with the tested 1 surface different location temperature letter of electro spindle of acquisition
Multiple sound levels that multiple electro spindle temperature sensors 4 of breath and acquisition are tested different location noise information during electro spindle 1 is run pass
Sensor 14, electro spindle temperature sensor 4 are installed with the spaced sensor that is set to of sound level sensor 14 on band 2.Sensor is installed
Band 2 selects deployable folding flexible bandage, and no less than two groups of arrangement, the bearing for being respectively arranged at tested electro spindle 1 is sensitive
Point.
It is tested 1 running vibration information of electro spindle to acquire, vibrating sensor is additionally provided on 1 tool mechanism 13 of electro spindle
15。
1 tool mechanism 13 of electro spindle is equipped with sound-insulating and heat-insulating cover 18, opens that there are one adjustable windows on sound-insulating and heat-insulating cover 18
Mouthful, it is equipped on window on sound-insulating and heat-insulating cover 18 and is also associated with radiator fan 3, for being tested electro spindle 1 at runtime to quilt
Electro spindle 1 is surveyed to radiate.
The cooling and lubricating pipeline that cooling and lubricating is carried out to being tested electro spindle 1 is also associated on electro spindle tool mechanism 13.It is cold
But it is respectively equipped with the cooling-lubricant temperature sensor being connect with host computer signal at the cooling-lubricant import and export of lubricating pipe
19, cooling-lubricant temperature sensor 19 is used to measure the internal temperature change in the process of running of tested electro spindle 1.
To further increase the security performance of system operation, tested electro spindle 1 is avoided to fall during the test, Gu
Armful mounting board disk 23 for being fixed to being tested electro spindle 1 is further respectively had on clamp plate 16-1 and ambulatory splint 16-2.
Embracing mounting board disk 23 includes：Chuck body 23-3, claw 23-4, claw driving mechanism and it is connected to the ends claw 23-4
Positioning pin 23-5.Chuck body 23-3 is anchored on by the roller screw with counter sink on corresponding clamping plate.Claw 23-4
At least provided with three, to ensure claw 23-4 accurately along chuck body 23-3 radial motions, in claw 23-4 and chuck
Radially-directed mechanism is set between ontology 23-3, the hex slot being specially set on chuck body 23-3 and is opened in claw
The hexagonal sliding rail 23-1 to match with hex slot on 23-4.Cylindrical positioning pins can be selected in positioning pin 23-5, can be by smaller
Contact area make tested electro spindle obtain higher positioning accuracy in clamping process, meet high-precision measurement demand.
Claw driving mechanism includes the ring gear 23-2 in chuck body 23-3 and drives ring gear 23-2 along chuck
The screw device 23-6 of ontology 23-3 circumferential movements, ring gear 23-2 are threadedly coupled with the backs claw 23-4.Screw device 23-6
Ring gear 23-2 rotations are driven, by screw drive claw 23-4 along chuck body 23-3 radial motions, to realize to difference
The tested electro spindle of diameter is clamped positioning.
Electro spindle temperature sensor 4 above-mentioned, cooling-lubricant temperature sensor 19, vibrating sensor 15, sound level sensing
Device 14, rotational speed and torque measuring device 7, pulsation measurement device 12 pass through data processing unit 8 respectively（Amplify including signal condition
Device）It is connected to the host computer 9 with data collecting card.Host computer 9 is also tested with cooling device, lubricating arrangement and for driving
The frequency converter signal connection that electro spindle 1 is run.
When 1 comprehensive performance testing system of electro spindle work of the present invention, system confirms 1 cooling device of electro spindle and lubrication first
Device and air source（Tested electro spindle is mainly run required lubricating oil and is atomized by air source）Can normal operation, confirm
Host computer 9 can be opened after operation, control test system.Under certain rotating speed, first electro spindle 1 is connected with electric eddy current dynamometer
It connects；Make electro spindle 1 since 1000 revs/min simultaneously, increased by 500 turns every 5 minutes, until the nominal operation of electro spindle 1 turns
Until speed.At this time after the working speed for reaching stable, host computer 9 starts to carry out information collection to each sensor.
The method tested for sound level information is：Host computer 9 records electro spindle 1 since 1000 revs/min to electricity
Sound level signal under 1 nominal operation rotating speed of main shaft shows that weighted average sound pressure level and weighted are averaged acoustical power after the processing of host computer 9
Grade（D1、D2、D3、…Dx）, while data being stored one by one with corresponding rotating speed, being kept after 1 rotational speed regulation of electro spindle is to highest should
Tachometric survey, after electro spindle 1 is closed, measure the inside and outside noise and vibration data of electro spindle 1 again.
The method tested temperature and 1 beating information of electro spindle is：In electro spindle 1 and cooling device, lubricating arrangement
Temperature sensor of the connection equipped with the initial temperature for measuring input, the coolant liquid of output and lubricating fluid.Outside electro spindle 1
Be equipped with measure 1 surface of electro spindle and ambient temperature electro spindle temperature sensor 4, using the temperature for collecting different location come
It calculates the temperature of electro spindle 1 in the process of running and rises situation, mainly record temperature（T1、T2、T3、…、Tx）；Pass through rotational speed and torque
Measuring device 7 obtains and records the rotating speed of tested electro spindle 1（R1、R2、R3、…、Rx）, torque（N1、N2、N3、…、Nx）, by upper
Axial runout data of the position machine 9 with laser sensor record electro spindle 1 when rotating N circles（Rx1、Rx2、Rx3、…、Rxn）And it preserves.
When integration test, host computer 9 is by collected noise, vibration, Wen Sheng, bounce, rotating speed, torque etc. in above-mentioned steps
Information is input to after conditioning, filtering, amplification in 9 information acquisition card of host computer, and host computer 9 passes through collected information
Vibration noise, vibration temperature rise multi-parameter nonlinear fitting（LPPL）, fit certain rotational speed and torque electro spindle 1 vibration, make an uproar
The integrated information of sound, Wen Sheng fits the kinematic error when synchronous rotational speed and asynchronous speed of electro spindle 1 in the process of running
Value, fits ambient noise and influence of the temperature to 1 operational process of electro spindle.Data are shown on host computer 9 simultaneously, it is upper
Operation has the software programmed based on C# on machine 9, the function which can realize data acquisition, analyze and handle, on host computer 9
It is additionally provided with the display shown for data and for the operation handle of user's control test platform.Final data analysis
As a result will include in a manner of numerical value and chart in display, by the state of the more test platforms of synthesis and electro spindle 1 with
Performance information realizes remote monitoring and service life and the fail-safe analysis of 1 performance of electro spindle.Single test platform is collected simultaneously
Data will be sent to remote server by ICP/IP protocol after treatment, realize the long-range monitoring of 1 performance of electro spindle, right
It alarms in the individual event in defined threshold or the underproof electro spindle of multiple parameters 1, while by the operating condition of electro spindle 1
Nonlinear fitting operation is carried out with the bearing service life of electro spindle 1（LPPL）, it is the reliable and stable operation of electro spindle 1, and
The service life of electro spindle 1 and maintaining provide reliable and stable data supporting, reduce enterprise in actual use need not
The loss and waste wanted.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of electro spindle comprehensive performance testing system, which is characterized in that including：Host computer, for driving tested electro spindle to transport
Capable frequency converter, the electro spindle tool mechanism for being tested electro spindle positioning are axially jumped for measuring the mandrel of tested electro spindle
The pulsation measurement device of dynamic information and the rotational speed and torque measuring device for measuring tested electro spindle rotational speed and torque information；It is described
Acquisition is also associated on electro spindle tool mechanism to be tested multiple temperature sensors of electro spindle surface different location temperature information, adopt
Collection, which is tested multiple sound level sensors of different location noise information and acquisition in electro spindle operation and is tested in electro spindle operation, to shake
The vibrating sensor of dynamic information；
Tested electro spindle is fixed in electro spindle tool mechanism, and transducer drive is tested electro spindle operation, and host computer is according to jump
The axial runout information of dynamic measuring device acquisition, the rotational speed and torque information of rotational speed and torque measuring device acquisition, each temperature sensor
The vibration information of the temperature information of acquisition, the noise information of each sound level sensor acquisition and vibrating sensor acquisition is to tested electricity
Main shaft carries out all-round property testing.
2. electro spindle comprehensive performance testing system according to claim 1, which is characterized in that the electro spindle tool mechanism
Including strap, ambulatory splint and ambulatory splint coasting mechanism；Ambulatory splint by ambulatory splint coasting mechanism adjust its with
The distance between strap；Tested electro spindle is supported between strap and ambulatory splint.
3. electro spindle comprehensive performance testing system according to claim 2, which is characterized in that the strap and/or work
Dynamic clamping plate is equipped with armful mounting board disk for being fixed to being tested electro spindle.
4. electro spindle comprehensive performance testing system according to claim 3, which is characterized in that described armful of mounting board disk include：
Chuck body, the claw in chuck body, driving claw are along the claw driving mechanism of chuck body radial motion and connection
In claw end for the positioning pin to being tested electro spindle positioning；The claw is at least provided with three；The claw driving machine
Structure includes the ring gear in chuck body and drives ring gear along the screw device of chuck body circumferential movement, the internal tooth
Circle is threadedly coupled with claw back；Screw device drives ring gear rotation, is radially transported along chuck body by screw drive claw
It is dynamic.
5. electro spindle comprehensive performance testing system according to claim 1, which is characterized in that further include sensor installation
Band, the sensor install band along tested electro spindle circumferentially around loaded on tested electro spindle outer surface；It is each temperature sensor, each
The sound level sensor is set to sensor installation and takes.
6. electro spindle comprehensive performance testing system according to claim 5, which is characterized in that the temperature sensor harmony
Grade sensor is spaced to be taken set on sensor installation.
7. electro spindle comprehensive performance testing system according to claim 1, which is characterized in that the electro spindle tool mechanism
It is equipped with sound-insulating and heat-insulating cover.
8. electro spindle comprehensive performance testing system according to claim 7, which is characterized in that on the sound-insulating and heat-insulating cover also
It is connected with radiator fan.
9. electro spindle comprehensive performance testing system according to claim 1, which is characterized in that the electro spindle tool mechanism
On electro spindle on be connected with to be tested electro spindle carry out cooling and lubricating cooling and lubricating pipeline；The cooling and lubricating pipeline it is cold
But the temperature sensor being connect with the host computer signal is respectively equipped at lubricating fluid import and export.
10. electro spindle comprehensive performance testing system according to claim 1, which is characterized in that the rotational speed and torque measures
The hoisting mechanism for adjusting rotational speed and torque measuring device height is also associated with below device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810370303.0A CN108332969A (en) | 2018-04-24 | 2018-04-24 | A kind of electro spindle comprehensive performance testing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810370303.0A CN108332969A (en) | 2018-04-24 | 2018-04-24 | A kind of electro spindle comprehensive performance testing system |
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Family
ID=62934567
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| CN201810370303.0A Pending CN108332969A (en) | 2018-04-24 | 2018-04-24 | A kind of electro spindle comprehensive performance testing system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443763A (en) * | 2018-09-04 | 2019-03-08 | 北京航空航天大学 | Test device and test method for machine tool chief axis reliability |
| CN109596346A (en) * | 2019-02-01 | 2019-04-09 | 青岛高测科技股份有限公司 | A kind of main shaft of multiline cutter torque bracket loading test platform and main shaft performance test methods |
| CN111721526A (en) * | 2019-03-04 | 2020-09-29 | 宁波天控五轴数控技术有限公司 | High-speed electric main shaft performance testing device |
| CN113251886A (en) * | 2021-04-21 | 2021-08-13 | 淮南师范学院 | Control motor test equipment |
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| CN111721526A (en) * | 2019-03-04 | 2020-09-29 | 宁波天控五轴数控技术有限公司 | High-speed electric main shaft performance testing device |
| CN113251886A (en) * | 2021-04-21 | 2021-08-13 | 淮南师范学院 | Control motor test equipment |
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