CN108303244A - A kind of numerical control turret reliability constant speed and acceleration test apparatus and method - Google Patents
A kind of numerical control turret reliability constant speed and acceleration test apparatus and method Download PDFInfo
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- CN108303244A CN108303244A CN201810168616.8A CN201810168616A CN108303244A CN 108303244 A CN108303244 A CN 108303244A CN 201810168616 A CN201810168616 A CN 201810168616A CN 108303244 A CN108303244 A CN 108303244A
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- 238000012360 testing method Methods 0.000 title claims abstract description 83
- 230000001133 acceleration Effects 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title abstract description 26
- 238000005520 cutting process Methods 0.000 claims abstract description 69
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052742 iron Inorganic materials 0.000 claims abstract description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 29
- 230000008878 coupling Effects 0.000 claims description 24
- 238000010168 coupling process Methods 0.000 claims description 24
- 238000005859 coupling reaction Methods 0.000 claims description 24
- 230000003028 elevating effect Effects 0.000 claims description 23
- 238000002474 experimental method Methods 0.000 claims description 21
- 239000003638 chemical reducing agent Substances 0.000 claims description 16
- 238000010998 test method Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000001831 conversion spectrum Methods 0.000 claims description 9
- 230000009466 transformation Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 18
- 230000000694 effects Effects 0.000 description 11
- 238000012545 processing Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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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
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Abstract
The invention discloses a kind of numerical control turret reliability constant speed and acceleration test apparatus, including:Ground black iron, numerical control turret, cutting force loading device, spiral lift device, hydraulic station device and linkage control device;Wherein, numerical control turret is mounted on oblique lathe bed base support device;Oblique lathe bed base support device is both secured on ground black iron;Spiral lift device is mounted between two numerical control turrets;Cutting force loading device is fixed on spiral lift device;Hydraulic station device is attached with numerical control turret respectively by oil circuit;Linkage control device control cutting force loading device.The present invention provides a kind of numerical control turret reliability constant speeds and acceleration test apparatus and method, the comparative and analyticity of experimental data can be improved, the accelerated factor of accelerated test can be effectively controlled carrying out the when of testing again, while help to analyze the failure model of knife rest.
Description
Technical field
The present invention relates to technical field of mechanical automation, more particularly to a kind of numerical control turret reliability
Constant speed and acceleration test apparatus and method.
Background technology
With flourishing for modern industry, numerically controlled lathe becomes most widely used in mechanical manufacturing field set
One of standby, wherein numerical control turret is one of critical function component of numerically controlled lathe, and reliability has very the service life of lathe
It is big to influence.Cutter rotary precision is the important parameter of numerical control turret, the consistency of a collection of part processing is influenced, in reality
There is tremendous influence to product quality in the production of border.
In the data of specific numerical control turret accelerated test, factory is with the actual processing of different loads knife rest at present
Based on data, the exemplar of processing is plant produced demand exemplar, and knife rest institute is loaded also by Multiple factors joint effect, data
Analyticity is not strong.Each colleges and universities are still endless for the accelerated test theory of this complicated electromechanical liquid product of numerical control turret
Kind, testing equipment research and development are deficient, and there is no the patents for researching and developing numerical control turret acceleration test apparatus at present.
There are the accelerated test of complicated machine tool functional component in China university and some machine tool plants certain in theory at present
Research, then some achievements are also achieved in experimental rig and appraisal procedure.For Rolling Components, such as ball screw assembly,
Accelerated test method and Assessment theory develop fairly perfect:Using System in Small Sample Situation Censoring reliability test method, examination is determined
Time, load, rotating speed and the sample size tested;Using ball screw assembly, life formula, calculate experiment stress accelerate because
Son and equivalent accelerated test revolution etc..However, about this indexing function for belonging to complicated mechanical electrical and hydraulic system of numerical control turret
The research of component, country's accelerated test is theoretical at present and experimental rig research and development aspect is immature.
Therefore, how to provide a kind of comparative and analyticity that can improve experimental data and carry out test when
The accelerated factor of effective control accelerated test, while contributing to the numerical control turret for analyzing the failure model of knife rest reliable
Property constant speed and acceleration test apparatus and method the problem of being those skilled in the art's urgent need to resolve.
Invention content
In view of this, the present invention provides a kind of numerical control turret reliability constant speed and acceleration test apparatus and method,
The comparative and analyticity of experimental data can be improved and carrying out the acceleration for effectively controlling accelerated test when experiment
The factor, while helping to analyze the failure model of knife rest.
To achieve the goals above, the present invention provides the following technical solutions:
A kind of numerical control turret reliability constant speed and acceleration test apparatus, including:Ground black iron, numerical control turret A,
Numerical control turret B, cutting force loading device A, cutting force loading device B, spiral lift device, hydraulic station device and linkage
Control device;Wherein, the numerical control turret A is mounted on oblique lathe bed base support device A;The numerical control turret B peaces
On oblique lathe bed base support device B;The oblique lathe bed base support device A and the oblique lathe bed base support device B are equal
It is fixed on described ground black iron;
The spiral lift device is mounted between the numerical control turret A and the numerical control turret B;
The cutting force loading device A and the cutting force loading device B are fixed on the spiral lift device;
The hydraulic station device is carried out with the numerical control turret A and numerical control turret B respectively by oil circuit
Connection;
The linkage control device controls the cutting force loading device A and cutting force loading device B.
Through the above technical solutions, the technique effect of the present invention:The present apparatus can not only simulate numerical control turret reality
The cutting force of operating mode, cutting force loading device can also carry out the load of constant speed power and acceleration respectively to two numerical control turrets
Power loads, can preferably Control experiment variable and accelerated factor, improve the analyticity efficiency of test data, while liquid
Pressure station arrangement provides hydraulic oil for hydraulic cylinder, is carried with meeting numerical control turret A that hydraulic cylinder is born and numerical control turret B
The oil pressure requirement of the maximum cutting force supplied.
Preferably, a kind of above-mentioned numerical control turret reliability constant speed in acceleration test apparatus, oblique lathe bed base branch
Support arrangement A and oblique lathe bed base support device B include:Oblique lathe bed, connecting plate and auxiliary positioning plate;The oblique lathe bed is fixed
In on described ground black iron;T-slot is offered on the connecting plate, and on the inclined-plane of the oblique lathe bed;The auxiliary is fixed
Position plate is removably mounted at the bottom end of the oblique lathe bed, positions the numerical control turret A and the numerical control turret
Knife rest B.
Through the above technical solutions, the technique effect of the present invention:Oblique lathe bed base support device is for installing numerical control turret
Knife rest A and numerical control turret B provides more accurately lateral force when load, further improves analyzing for test data
Property efficiency;In addition, installing auxiliary positioning plate before installing numerical control turret, rest position is dismantled after fixing.
Preferably, in a kind of above-mentioned numerical control turret reliability constant speed with acceleration test apparatus, the cutting force adds
It carries and sets A and the cutting force loading device B includes:Concave surface bulb, loading force bar, rotation constriction and hydraulic cylinder support
Seat;
In the cutting force loading device A, the knife bar spherical surface phase of the concave surface bulb and the numerical control turret A
Match;Loading force bar one end is provided with the concave surface bulb, and the other end is fixed on constant speed loading hydraulic cylinder;The hydraulic cylinder
Support concave surface bulb, the loading force bar and the constant speed loading hydraulic cylinder described in seat supports;The rotation constriction is mounted on
At the top of the Hydraulic Cylinder Pedestal Used;
In the cutting force loading device B, the knife bar spherical surface phase of the concave surface bulb and the numerical control turret B
Match;Loading force bar one end is provided with the concave surface bulb, and the other end is fixed on accelerated loading hydraulic cylinder;The hydraulic cylinder
Support concave surface bulb, the loading force bar and the constant speed loading hydraulic cylinder described in seat supports;The rotation constriction is mounted on
At the top of the Hydraulic Cylinder Pedestal Used.
Through the above technical solutions, the technique effect of the present invention:The concave surface bulb and numerical control turret of loading force bar when load
The knife bar spherical surface of knife rest matches, and substantially reduces the endurance of hydraulic cylinder, to protect hydraulic cylinder.
Preferably, a kind of above-mentioned numerical control turret reliability constant speed in acceleration test apparatus, the spiral lifting
Device includes:Pedestal, motor, shaft coupling A, shaft coupling B, conic reducer, elevating screw, loading device mounting table, photoelectricity
Encoder, Auxiliary support spring and bearing;The pedestal is mounted on described ground black iron;The motor is fixed on the pedestal
On;The output end of the motor is attached by the shaft coupling B with the conic reducer;The elevating screw hangs down
Directly it is arranged in the conic reducer, and is connected by the output end of the shaft coupling A and the conic reducer
It connects;The elevating screw is fixed by the bearing, and the top of the elevating screw is provided with the photoelectric coding
Device;The elevating screw drives the lifting of the loading device mounting table;The loading device mounting table passes through auxiliary branch
Support spring is attached with the pedestal.
Through the above technical solutions, the technique effect of the present invention:Driving motor, by shaft coupling B, conic reducer,
The transmission of shaft coupling A drives elevating screw rotation, is further driven to the loading device mounting table and moves up and down to specific bit
It sets, carries out providing optimized integration for follow-up realization, cutting force loading device A and cutting force loading device B is enable to move position
It sets, to drive numerical control turret A and numerical control turret B to be moved, increases flexibility and the versatility of experiment.
Preferably, a kind of above-mentioned numerical control turret reliability constant speed in acceleration test apparatus, the loading device
Mounting table includes:Gear drive motor, fixed gear, moving gear, planetary gear A and planetary gear B;The gear drive motor driving
The moving gear rotation;The moving gear rotation drives the planetary gear A and planetary gear B rotations;The planetary gear A and
The planetary gear B is engaged with the fixed gear;The cutting force loading device A is fixed on the planetary gear A;It is described to cut
Force loading device B is cut to be fixed on the planetary gear B.
Through the above technical solutions, the technique effect of the present invention:Cutting force loading device A is fixed on planetary gear A, is cut
It cuts force loading device B to be fixed on planetary gear B, makes cutting force loading device A and cutting force loading device B in the band of planetary gear
Dynamic lower adjustment angle, realizes that constant speed loading hydraulic cylinder is synchronous with accelerated loading hydraulic cylinder and moves toward one another, to drive numerical control
Turret A and numerical control turret B are rotated, and flexibility and the versatility of experiment are increased.
Preferably, a kind of above-mentioned numerical control turret reliability constant speed in acceleration test apparatus, the coordinated signals
Device includes:Switch board, potential device and pressure detecting table;The switch board loads liquid with the constant speed respectively by oil circuit
Cylinder pressure and the accelerated loading hydraulic cylinder are attached;The potential device is mounted on the oil inlet of the accelerated loading hydraulic cylinder
On the road;The pressure detecting table is mounted on the vent line of the accelerated loading hydraulic cylinder.
Preferably, a kind of above-mentioned numerical control turret reliability constant speed in acceleration test apparatus, the potential device
Including:Initial oil circuit, power transmission spring, right-hand apron, transformation oil circuit, adjusts gap screw, block at left side baffle;The initial oil circuit
It is attached with the left side baffle, spring is provided on the left side baffle and stablizes pin A;The transformation oil circuit and the right side
Side shield is attached, and spring is provided on the right-hand apron and stablizes pin B;The spring stablizes pin A and the spring is stablized
It is provided with the power transmission spring between pin B;The block is mounted on the right-hand apron;It is provided on the block described
Adjust gap screw.
Through the above technical solutions, the technique effect of the present invention:The size for the power that left baffle is subject to is the same, changes right
The i.e. changeable oil pressure of the forced area of side shield;Block be mounted on right-hand apron on, adjust gap screw be adjusted right-hand apron by
Power area is realized pressurize to transformation oil circuit in turn, and accelerated test is carried out.
Preferably, in a kind of above-mentioned numerical control turret reliability constant speed with acceleration test apparatus, switch board includes:
Host computer, programmable controller, AD converter, D/A converter;The host computer and the programmable controller serial communication;
The knife rest control with the numerical control turret A and the numerical control turret B respectively of the up direction of the programmable controller
Device processed is electrically connected;The host computer controls the constant speed loading hydraulic cylinder and described respectively by D/A converter control
Accelerated loading hydraulic cylinder;The sensor being electrically connected simultaneously with the constant speed loading hydraulic cylinder and the accelerated loading hydraulic cylinder
The signal of acquisition is fed back to by the AD converter on the host computer.
Through the above technical solutions, the technique effect of the present invention:It can realize the automatic control to cutting force loading device
System, can also realize and be automatically controlled to accelerated test loading procedure, simplify test procedure, shorten experiment time.
A kind of numerical control turret reliability constant speed and accelerated test method, which is characterized in that be as follows:
Step 1:The numerical control turret A and the numerical control turret B are loaded, including:The load dress
The position of placement location platform loads and applies the control load of loading;
Step 2:After the completion of load, to the force-bearing situation of the numerical control turret A and the numerical control turret B into
Row detects:The force-bearing situation of the numerical control turret A and the numerical control turret B are detected and predominantly detected
Whether the amplitude of loading force, frequency, waveform conversion spectrum meet the requirements, and then judge whether that accelerated test can be carried out.
Through the above technical solutions, the technique effect of the present invention:This method carries out the examination of numerical control turret reliability constant speed
It tests and accelerated test, obtained accelerated test result is more convincing, while shortening test period.
Preferably, a kind of above-mentioned numerical control turret reliability constant speed in accelerated test method, in the step 1
The position of the loading device mounting table loads specific steps:
The position load, is as follows:
The first step:Input the loading device mounting table height and position numerical value to be reached;
Second step:The motor is driven, by the biography of the shaft coupling B, the conic reducer, the shaft coupling A
It passs and drives the elevating screw rotation, be further driven to the loading device mounting table and move up and down to designated position;
Third walks:Loading device mounting table current location is fed back to control system by the photoelectric encoder;
4th step:Control system judges whether loading device mounting table current location is designated position, if so,
Terminate, if it is not, returning to second step.
The control for applying loading loads specific steps:
The first step:Start switch board, inputs the setting value of photoelectric encoder on the elevating screw, judge the cutting
Whether force loading device A and the cutting force loading device B reach specified altitude assignment in the vertical direction, if so, carrying out second
Step;Otherwise the motor is driven to adjust the height of the cutting force loading device A and the cutting force loading device B.
Second step:Locking sensing device on the loading device mounting table judges whether to lock, if then inputting experiment
Time, then switch board, which is sent, loads instruction, and constant speed loading hydraulic cylinder and accelerated loading hydraulic cylinder are loaded;Otherwise it carries out
The first step.
Third walks:Whether detection knife rest fails, if so, the switch board sends halt instruction, otherwise carries out the 4th
Step;
4th step:Judge whether load test reaches input time, if so, the switch board sends unloading command, it is described
Constant speed loading hydraulic cylinder and the accelerated loading hydraulic cylinder are unloaded, and original position is retracted;If it is not, the switch board is after supervention
Load is sent to instruct, the constant speed loading hydraulic cylinder and the accelerated loading hydraulic cylinder are loaded, until when meeting experiment setting
Between.
Through the above technical solutions, the technique effect of the present invention:This method simultaneously feed back be digitally controlled turret A and
The loading force situation of numerical control turret B does not need numerical control turret A and numerical control turret during Adjustment Tests
B.That is, the detection method can ensure examination to any time numerical control turret A and numerical control turret during testing
B carries out loading force real time monitoring, can ensure the confidence level of accelerated test result.
Preferably, a kind of above-mentioned numerical control turret reliability constant speed in accelerated test method, in the step 2,
It is as follows:
The first step:The switch board is opened, force snesor is opened;
Second step:Acquire the amplitude number of the constant speed loading hydraulic cylinder and the loading force on the accelerated loading hydraulic cylinder
According to judging whether to meet loading force amplitude accelerated test sets requirement;
Third walks:Acquire the frequency number of the constant speed loading hydraulic cylinder and the loading force on the accelerated loading hydraulic cylinder
According to judging whether to meet loading force frequency accelerated test sets requirement;
4th step:The waveform for acquiring the constant speed loading hydraulic cylinder and the loading force on the accelerated loading hydraulic cylinder becomes
It exchanges cards with personal and family details when becoming sworn brothers data, judges whether that loading force waveform conversion spectrum accelerated test meets sets requirement;
5th step:If equal Pass Test sets requirement, controls the constant speed loading hydraulic cylinder and the accelerated loading hydraulic pressure
It is loaded on cylinder, carries out experiment.
Through the above technical solutions, the technique effect of the present invention:It can realize the automatic control to cutting force loading device
System, can also realize and be automatically controlled to accelerated test loading procedure, simplify test procedure, shorten experiment time.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides a kind of numerical control turret knives
Frame reliability constant speed and acceleration test apparatus and method, can improve the comparative and analyticity of experimental data and open
The accelerated factor of accelerated test is effectively controlled when exhibition experiment, while helping to analyze the failure model of knife rest.Driving motor,
Elevating screw rotation is driven by the transmission of shaft coupling B, conic reducer, shaft coupling A, is further driven to the load dress
Placement location platform is moved up and down to designated position, is carried out providing optimized integration for follow-up realization, is made cutting force loading device A and cut
Cut force loading device B can shift position, to drive numerical control turret A and numerical control turret B to be moved;Cutting
Force loading device A is fixed on planetary gear A, and cutting force loading device B is fixed on planetary gear B, makes cutting force loading device A
It is adjusted the angle under the drive of planetary gear with cutting force loading device B, to drive numerical control turret A and numerical control turret knife
Frame B is rotated, and flexibility and the versatility of experiment are increased;To the stress of numerical control turret A and numerical control turret B
Situation is detected whether the amplitude for predominantly detecting loading force, frequency, waveform conversion spectrum meet the requirements, and then carries out and accelerate examination
It tests.
Compared with prior art, the advantageous effects that the present invention has:
1, the present invention provides a kind of numerical control turret reliability constant speeds and acceleration test apparatus can be right respectively simultaneously
Two numerical control turrets carry out reliability constant speed test and accelerated test;The practical work of numerical control turret can not only be simulated
The cutting force of condition, cutting force loading device can also carry out two numerically-controlled slides respectively the load of constant speed power and acceleration load,
Can preferably Control experiment variable and accelerated factor, the analyticity efficiency of test data is improved, to numerical control turret
Actual processing production has significant directive significance.
2, a kind of numerical control turret reliability constant speed provided by the invention and accelerated test method can carry out number simultaneously
Turret reliability constant speed test and accelerated test are controlled, obtained accelerated test result is more convincing, while shortening examination
It tests the time, test method is more valuable.
3, it feeds back and is counted simultaneously the present invention provides a kind of numerical control turret reliability constant speed and accelerated test method
The loading force situation for controlling turret A and numerical control turret B, do not need numerical control turret A during Adjustment Tests and
Numerical control turret B.That is, it is ensured that examination is to any time numerical control turret A and numerical control turret knife during testing
Frame B carries out loading force real time monitoring, can ensure the confidence level of accelerated test result.
4, also have the present invention provides a kind of numerical control turret reliability constant speed and acceleration test apparatus and automatically control
Ability can be realized and be automatically controlled to cutting force loading device, can also realize the automatic control to accelerated test loading procedure
System, simplifies test procedure, shortens experiment time.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
The embodiment of the present invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to the attached drawing of offer.
Fig. 1 attached drawings are the overall structure figure of the present invention;
Fig. 2 attached drawings are the oblique lathe bed base support device structure figure of the present invention;
Fig. 3 attached drawings are the cutting force loading device structure chart of the present invention;
Fig. 4 attached drawings are the spiral lift device structure chart of the present invention;
Fig. 5 attached drawings are the potential device structure chart of the present invention;
Fig. 6 attached drawings are the loading device loading table figure of the present invention;
Fig. 7 attached drawings are the spiral lift device structure chart of the present invention;
Fig. 8 attached drawings are that the position of the present invention loads flow chart;
Fig. 9 attached drawings are that the control of the present invention loads flow chart.
In figure:1 numerical control turret A, 11 oblique lathe bed base support device A, 2 numerical control turret B, 21 oblique lathe beds
Pedestal support device B, 3 cutting force loading device A, 4 cutting force loading device B, 5 spiral lift devices, 6 hydraulic station devices, 7
Linkage control device, 121 oblique lathe beds, 122 connecting plates, 123 auxiliary positioning plates, 341 concave surface bulbs, 342 loading force bars, 343 turns
Dynamic constriction, 344 Hydraulic Cylinder Pedestal Useds, 500 pedestals, 501 motors, 502 shaft coupling A, 503 shaft coupling B, 504 bevel gears are slowed down
Device, 505 elevating screws, 506 loading device mounting tables, 5061 gear drive motors, 5062 fixed gears, 5063 moving gears, 5064
Planetary gear A, 5065 planetary gear B, 507 photoelectric encoders, 508 Auxiliary support springs, 509 bearings, 71 switch boards, 72 become press fitting
Set, 73 pressure detecting tables, 721 initial oil circuits, 722 left side baffles, 723 power transmission springs, 724 right-hand aprons, 725 transformation oil circuits,
726 adjust gap screw, 727 blocks.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of numerical control turret reliability constant speeds and acceleration test apparatus and method, no
The cutting force of numerical control turret actual condition can be only simulated, cutting force loading device can also be to two numerical control turret knives
Frame carries out the load of constant speed power and acceleration load respectively, can preferably Control experiment variable and accelerated factor, improve experiment
The analyticity efficiency of data.
Embodiment
Please refer to attached drawing 1, a kind of numerical control turret reliability constant speed and acceleration test apparatus, including:Ground black iron, number
Control turret A1, numerical control turret B2, cutting force loading device A3, cutting force loading device B4, spiral lift device 5,
Hydraulic station device 6 and linkage control device 7;Numerical control turret A1 is mounted on oblique lathe bed base support device A11;Digital control rotating
Tower knife rest B2 is mounted on oblique lathe bed base support device B21;Oblique lathe bed base support device A11 and the support of oblique lathe bed base
Device B21 is both secured on ground black iron;Spiral lift device 5 be mounted on numerical control turret A1 and numerical control turret B2 it
Between;Cutting force loading device A3 and cutting force loading device B4 are fixed on spiral lift device 5;Hydraulic station device 6 passes through oil
Road is attached with numerical control turret A1 and numerical control turret B2 respectively;Linkage control device 7 controls cutting force load dress
Set A3 and cutting force loading device B4.
In order to advanced optimize above-mentioned technical proposal, attached drawing 2, oblique lathe bed base support device A11 and oblique lathe bed are please referred to
Pedestal support device B21 includes:Oblique lathe bed 121, connecting plate 122 and auxiliary positioning plate 123;Oblique lathe bed 121 is fixed on Horizon
On iron;T-slot is offered on connecting plate 122, and on the inclined-plane of oblique lathe bed 121;Auxiliary positioning plate 123 is with detachable
Mode be mounted on the bottom end of oblique lathe bed 121, positioning numerical control turret A1 and numerical control turret B2.
In order to advanced optimize above-mentioned technical proposal, attached drawing 3 is please referred to, force loading device A3 and cutting force load are cut
Device B4 includes:Concave surface bulb 341, loading force bar 342, rotation constriction 343 and Hydraulic Cylinder Pedestal Used 344;
It cuts in force loading device A3, the knife bar spherical surface of concave surface bulb 341 and numerical control turret A1 matches;Load
342 one end of power bar is provided with concave surface bulb 341, and the other end is fixed on constant speed loading hydraulic cylinder 31;Hydraulic Cylinder Pedestal Used 344
Support concave surface bulb 341, loading force bar 342 and constant speed loading hydraulic cylinder 31;It rotates constriction 343 and is mounted on Hydraulic Cylinder Pedestal Used
344 tops;
It cuts in force loading device B4, the knife bar spherical surface of concave surface bulb 341 and numerical control turret B2 matches;Load
342 one end of power bar is provided with concave surface bulb 341, and the other end is fixed on accelerated loading hydraulic cylinder 41;Hydraulic Cylinder Pedestal Used 344
Support concave surface bulb 341, loading force bar 342 and constant speed loading hydraulic cylinder 31;It rotates constriction 343 and is mounted on Hydraulic Cylinder Pedestal Used
344 tops.
In order to advanced optimize above-mentioned technical proposal, attached drawing 4 is please referred to, spiral lift device 5 includes:Pedestal 500, electricity
Machine 501, shaft coupling A502, shaft coupling B503, conic reducer 504, elevating screw 505, loading device mounting table 506, light
Photoelectric coder 507, Auxiliary support spring 508 and bearing 509;Pedestal 500 is mounted on ground black iron;Motor 501 is fixed on pedestal
On 500;The output end of motor 501 is attached by shaft coupling B503 and conic reducer 504;Elevating screw 505 is vertical
It is arranged in conic reducer 504, and is attached by shaft coupling A502 and the output end of conic reducer 504;It rises
Drop leading screw 505 is fixed by bearing 509, and the top of elevating screw 505 is provided with photoelectric encoder 507;Elevating screw
505 drive the lifting of loading device mounting table 506;Loading device mounting table 506 passes through Auxiliary support spring 508 and pedestal 500
It is attached.
In order to advanced optimize above-mentioned technical proposal, attached drawing 6 is please referred to, loading device mounting table 506 includes:Gear drives
Dynamic motor 5061, fixed gear 5062, moving gear 5063, planetary gear A5064 and planetary gear B5065;Gear drive motor 5061 drives
Dynamic moving gear 5063 rotates;The rotation of moving gear 5063 drives planetary gear A5064 and planetary gear B5065 rotations;Planetary gear A5064
It is engaged with fixed gear 5062 with planetary gear B;Cutting force loading device A3 is fixed on planetary gear A5064;Cutting force load dress
B4 is set to be fixed on planetary gear B5065;
In order to advanced optimize above-mentioned technical proposal, linkage control device 7 includes:Switch board 71, potential device 72 and pressure
Power detects table 73;Switch board 71 is attached with constant speed loading hydraulic cylinder 31 and accelerated loading hydraulic cylinder 41 respectively by oil circuit;
Potential device 72 is mounted on the in-line of accelerated loading hydraulic cylinder 41;Pressure detecting table 73 is mounted on accelerated loading hydraulic cylinder
On 41 vent line.
In order to advanced optimize above-mentioned technical proposal, attached 5 are please referred to, potential device 72 includes:Initial oil circuit 721, left side
Baffle 722, right-hand apron 724, transformation oil circuit 725, adjusts gap screw 726, block 727 at power transmission spring 723;Initial oil circuit 721
It is attached with left side baffle 722, spring is provided on left side baffle 722 and stablizes pin A728;Transformation oil circuit 725 is kept off with right side
Plate 724 is attached, and spring is provided on right-hand apron 724 and stablizes pin B729;Spring stablizes pin A728 and spring stablizes pin
Power transmission spring 723 is provided between B729;Block 727 is mounted on right-hand apron 724;It is provided on block 727 and adjusts gap spiral shell
Nail 726.
Please refer to attached drawing 7-9, a kind of numerical control turret reliability constant speed and accelerated test method are as follows:
Step 1:Numerical control turret A1 and numerical control turret B2 are loaded, including:Loading device mounting table
506 position load and the control load for applying loading;
Step 2:After the completion of load, the force-bearing situation of numerical control turret A1 and numerical control turret B2 are detected
Including:The force-bearing situation of numerical control turret A1 and numerical control turret B2 are detected predominantly detect loading force amplitude,
Whether frequency, waveform conversion spectrum meet the requirements, and then judge whether that accelerated test can be carried out.
The position load specific steps of loading device mounting table 506 include in step 1:
The first step:Input the 506 height and position numerical value to be reached of loading device mounting table;
Second step:Driving motor 501, by the transfer tape of shaft coupling B503, conic reducer 504, shaft coupling A502
Dynamic elevating screw 505 rotates, and is further driven to loading device mounting table 506 and moves up and down to designated position;
Third walks:506 current location of loading device mounting table is fed back to control system by photoelectric encoder 507;
4th step:Control system judges whether 506 current location of loading device mounting table is designated position, if so, knot
Beam, if it is not, returning to second step.
The control of application loading loads specific steps:
The first step:Start switch board, inputs the setting value of photoelectric encoder 507 on elevating screw 505, judge cutting force
Whether loading device A3 and cutting force loading device B4 reach specified altitude assignment in the vertical direction, if so, carrying out second step;
Otherwise driving motor 501 is to adjust cutting force loading device A3 and cut the height of force loading device B4.
Second step:Locking sensing device on the loading device mounting table judges whether to lock, if then inputting experiment
Time, then switch board 71, which is sent, loads instruction, and constant speed loading hydraulic cylinder 31 and accelerated loading hydraulic cylinder 41 are loaded;It is no
Then carry out the first step.
Third walks:Whether detection knife rest fails, if so, switch board 71 sends halt instruction, otherwise carries out the 4th
Step;
4th step:Judge whether load test reaches input time, if so, switch board sends unloading command, constant speed load
Hydraulic cylinder 31 and accelerated loading hydraulic cylinder 41 are unloaded, and original position is retracted;If it is not, switch board 71 continues to send load instruction,
Constant speed loading hydraulic cylinder 31 and accelerated loading hydraulic cylinder 41 are loaded, until meeting experiment setting time.
In step 2, it is as follows:
The first step:Switch board 71 is opened, force snesor is opened;
Second step:The amplitude data for acquiring constant speed loading hydraulic cylinder 31 and the loading force on accelerated loading hydraulic cylinder 41, sentences
It is disconnected whether to meet loading force amplitude accelerated test sets requirement;
Third walks:The frequency data for acquiring constant speed loading hydraulic cylinder 31 and the loading force on accelerated loading hydraulic cylinder 41, sentence
It is disconnected whether to meet loading force frequency accelerated test sets requirement;
4th step:Acquire the waveform conversion spectrum of constant speed loading hydraulic cylinder 31 and the loading force on accelerated loading hydraulic cylinder 41
Data judge whether that loading force waveform conversion spectrum accelerated test meets sets requirement;
5th step:If equal Pass Test sets requirement, on control constant speed loading hydraulic cylinder 31 and accelerated loading hydraulic cylinder 41
It is loaded, carries out experiment.
Loading force amplitude, frequency, the specific requirement of waveform conversion spectrum setting in step 2 is as follows:
1 loading force amplitude load table of table
2 loading force frequency load table of table
3 loading force waveform of table converts stave
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with its
The difference of his embodiment, just to refer each other for identical similar portion between each embodiment.For being filled disclosed in embodiment
For setting, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related place is referring to method portion
It defends oneself bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, defined herein
General Principle can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, originally
Invention is not intended to be limited to the embodiments shown herein, and is to fit to special with principles disclosed herein and novelty
The consistent widest range of point.
Claims (10)
1. a kind of numerical control turret reliability constant speed and acceleration test apparatus, including:Ground black iron, which is characterized in that further include:
Numerical control turret A (1), numerical control turret B (2), cutting force loading device A (3), cutting force loading device B (4), spiral
Lifting gear (5), hydraulic station device (6) and linkage control device (7);
Wherein, the numerical control turret A (1) is mounted on oblique lathe bed base support device A (11);The numerical control turret
B (2) is mounted on oblique lathe bed base support device B (21);The oblique lathe bed base support device A (11) and the oblique lathe bed bottom
Seat supports device B (21) is both secured on described ground black iron;
The spiral lift device (5) is mounted between the numerical control turret A (1) and the numerical control turret B (2);
The cutting force loading device A (3) and the cutting force loading device B (4) are fixed on the spiral lift device (5)
On;
The hydraulic station device (6) by oil circuit respectively with the numerical control turret A (1) and the numerical control turret B (2)
It is attached;
The linkage control device (7) controls the cutting force loading device A (3) and the cutting force loading device B (4).
2. a kind of numerical control turret reliability constant speed according to claim 1 and acceleration test apparatus, which is characterized in that
The oblique lathe bed base support device A (11) and the oblique lathe bed base support device B (21) include:Oblique lathe bed (121) connects
Fishplate bar (122) and auxiliary positioning plate (123);The oblique lathe bed (121) is fixed on described ground black iron;The connecting plate (122)
On offer T-slot, and on the inclined-plane of the oblique lathe bed (121);The auxiliary positioning plate (123) is with dismountable side
Formula is mounted on the bottom end of the oblique lathe bed (121), positions the numerical control turret A (1) and the numerical control turret B (2).
3. a kind of numerical control turret reliability constant speed according to claim 1 and acceleration test apparatus, which is characterized in that
The cutting force loading device A (3) and the cutting force loading device B (4) include:Concave surface bulb (341), loading force bar
(342), rotation constriction (343) and Hydraulic Cylinder Pedestal Used (344);
In the cutting force loading device A (3), the knife bar ball of the concave surface bulb (341) and the numerical control turret A (1)
Face matches;Described loading force bar (342) one end is provided with the concave surface bulb (341), and the other end is fixed on constant speed load liquid
Cylinder pressure (31);The Hydraulic Cylinder Pedestal Used (344) supports the concave surface bulb (341), the loading force bar (342) and described normal
Fast loading hydraulic cylinder (31);The rotation constriction (343) is mounted at the top of the Hydraulic Cylinder Pedestal Used (344);
In the cutting force loading device B (4), the knife bar ball of the concave surface bulb (341) and the numerical control turret B (2)
Face matches;Described loading force bar (342) one end is provided with the concave surface bulb (341), and the other end is fixed on accelerated loading liquid
Cylinder pressure (41);The Hydraulic Cylinder Pedestal Used (344) supports the concave surface bulb (341), the loading force bar (342) and described normal
Fast loading hydraulic cylinder (31);The rotation constriction (343) is mounted at the top of the Hydraulic Cylinder Pedestal Used (344).
4. a kind of numerical control turret reliability constant speed according to claim 3 and acceleration test apparatus, which is characterized in that
The spiral lift device (5) includes:Pedestal (500), motor (501), shaft coupling A (502), shaft coupling B (503), bevel gear
Retarder (504), elevating screw (505), loading device mounting table (506), photoelectric encoder (507), Auxiliary support spring
(508) and bearing (509);The pedestal (500) is mounted on described ground black iron;The motor (501) is fixed on the pedestal
(500) on;The output end of the motor (501) is carried out by the shaft coupling B (503) and the conic reducer (504)
Connection;The elevating screw (505) is arranged perpendicular to the conic reducer (504), and passes through the shaft coupling A (502)
It is attached with the output end of the conic reducer (504);The elevating screw (505) by the bearing (509) into
Row is fixed, and the top of the elevating screw (505) is provided with the photoelectric encoder (507);Elevating screw (505) band
Move the lifting of the loading device mounting table (506);The loading device mounting table (506) passes through the Auxiliary support spring
(508) it is attached with the pedestal (500).
5. a kind of numerical control turret reliability constant speed according to claim 4 and acceleration test apparatus, which is characterized in that
The loading device mounting table (506) includes:Gear drive motor (5061), fixed gear (5062), moving gear (5063), planet
Take turns A (5064) and planetary gear B (5065);The gear drive motor (5061) drives moving gear (5063) rotation;It is described
Moving gear (5063) rotation drives the planetary gear A (5064) and the planetary gear B (5065) rotations;The planetary gear A
(5064) it is engaged with the fixed gear (5062) with the planetary gear B;The cutting force loading device A (3) is fixed on described
On planetary gear A (5064);The cutting force loading device B (4) is fixed on the planetary gear B (5065).
6. a kind of numerical control turret reliability constant speed according to claim 1 and acceleration test apparatus, which is characterized in that
The linkage control device (7) includes:Switch board (71), potential device (72) and pressure detecting table (73);The switch board
(71) it is attached respectively with the constant speed loading hydraulic cylinder (31) and the accelerated loading hydraulic cylinder (41) by oil circuit;It is described
Potential device (72) is mounted on the in-line of the accelerated loading hydraulic cylinder (41);The pressure detecting table (73) is mounted on institute
On the vent line for stating accelerated loading hydraulic cylinder (41).
7. a kind of numerical control turret reliability constant speed according to claim 6 and acceleration test apparatus, which is characterized in that
The potential device (72) includes:Initial oil circuit (721), left side baffle (722), power transmission spring (723), right-hand apron (724),
Transformation oil circuit (725) adjusts gap screw (726), block (727);The initial oil circuit (721) and the left side baffle (722) into
Row connects, and spring is provided on the left side baffle (722) and stablizes pin A (728);The transformation oil circuit (725) and the right side
Baffle (724) is attached, and spring is provided on the right-hand apron (724) and stablizes pin B (729);The spring stablizes pin A
(728) it is provided with the power transmission spring (723) between spring stabilization pin B (729);The block (727) is mounted on institute
It states on right-hand apron (724);The tune gap screw (726) is provided on the block (727).
8. a kind of numerical control turret reliability constant speed and accelerated test method, which is characterized in that be as follows:
Step 1:The numerical control turret A (1) and the numerical control turret B (2) are loaded, including:The load
The position of device mounting table (506) loads and applies the control load of loading;
Step 2:After the completion of load, to the force-bearing situation of the numerical control turret A (1) and the numerical control turret B (2) into
Row detects:The force-bearing situation of the numerical control turret A (1) and the numerical control turret B (2) is detected mainly
Whether the amplitude, frequency, waveform conversion spectrum for detecting loading force meet the requirements, and then judge whether that accelerated test can be carried out.
9. a kind of numerical control turret reliability constant speed according to claim 8 and accelerated test method, which is characterized in that
The position of loading device mounting table (506) described in the step 1 loads specific steps:
The first step:Input loading device mounting table (506) the height and position numerical value to be reached;
Second step:The motor (501) is driven, by the shaft coupling B (503), the conic reducer (504), described
The transmission of shaft coupling A (502) drives elevating screw (505) rotation, is further driven to the loading device mounting table (506)
It moves up and down to designated position;
Third walks:Loading device mounting table (506) current location is fed back to control system by the photoelectric encoder (507)
System;
4th step:Control system judges whether loading device mounting table (506) current location is designated position, if so,
Terminate, if it is not, returning to second step;
The control for applying loading loads specific steps:
The first step:Start switch board, input the setting value of photoelectric encoder (507) on the elevating screw (505), described in judgement
Whether cutting force loading device A (3) and the cutting force loading device B (4) reach specified altitude assignment in the vertical direction, if so,
Then carry out second step;Otherwise the motor (501) is driven to add to adjust the cutting force loading device A (3) and the cutting force
Carry the height for setting (4) B;Second step:Locking sensing device on the loading device mounting table (506) judges whether to lock,
If then inputting test period, then the switch board (71) sends load instruction, the constant speed loading hydraulic cylinder (31) and institute
Accelerated loading hydraulic cylinder (41) is stated to be loaded;Otherwise the first step is carried out;
Third walks:Whether detection knife rest fails, if so, the switch board (71) sends halt instruction, otherwise carries out the 4th
Step;
4th step:Judge whether load test reaches input time, if so, the switch board (71) sends unloading command, it is described
Constant speed loading hydraulic cylinder (31) and the accelerated loading hydraulic cylinder (41) are unloaded, and original position is retracted;If it is not, the switch board
(71) continuing to send load instruction, the constant speed loading hydraulic cylinder (31) and the accelerated loading hydraulic cylinder (41) are loaded,
Until meeting experiment setting time.
10. a kind of numerical control turret reliability constant speed according to claim 8 and accelerated test method, feature exist
In in the step 2, being as follows:
The first step:The switch board (71) is opened, force snesor is opened;
Second step:Acquire the amplitude of the constant speed loading hydraulic cylinder (31) and the loading force on the accelerated loading hydraulic cylinder (41)
Data judge whether to meet loading force amplitude accelerated test sets requirement;
Third walks:Acquire the frequency of the constant speed loading hydraulic cylinder (31) and the loading force on the accelerated loading hydraulic cylinder (41)
Data judge whether to meet loading force frequency accelerated test sets requirement;
4th step:Acquire the waveform of the constant speed loading hydraulic cylinder (31) and the loading force on the accelerated loading hydraulic cylinder (41)
Modal data is converted, judges whether that loading force waveform conversion spectrum accelerated test meets sets requirement;
5th step:If equal Pass Test sets requirement, controls the constant speed loading hydraulic cylinder (31) and the accelerated loading hydraulic pressure
Cylinder is loaded on (41), carries out experiment.
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