CN207472739U - A kind of shafting pressure-loaded system for friction wear testing machine - Google Patents
A kind of shafting pressure-loaded system for friction wear testing machine Download PDFInfo
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- CN207472739U CN207472739U CN201721514773.7U CN201721514773U CN207472739U CN 207472739 U CN207472739 U CN 207472739U CN 201721514773 U CN201721514773 U CN 201721514773U CN 207472739 U CN207472739 U CN 207472739U
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- China
- Prior art keywords
- testing machine
- lifting shaft
- pressure
- shafting
- spring
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Abstract
The utility model is related to friction-wear test apparatus field, specifically a kind of shafting pressure-loaded system for friction wear testing machine.The lifting shaft on testing machine pedestal is arranged on including testing machine pedestal and liftable, the upper end of lifting shaft is equipped with fixture, lower end is connected with the pressure loading device for lifting shaft to be controlled to lift by flexible connector, pressure loading device includes the slide bar that upper end is connect with testing machine pedestal, it is connected to the servo motor of the lower end of the slider and the sliding block being slidably arranged on slide bar, threaded hole is equipped at the middle part of sliding block, cooperation is equipped with the ball-screw being sequentially connected with servo motor output shaft in threaded hole, it is connected in the upper end of sliding block by the first spring with the lower end of mandril, the upper end of mandril is connect by the flexible connector with the lower end of the lifting shaft.The utility model purport can accurately control pressure between cutter sample and substrate coupons, the bounce that cutter sample and substrate coupons is overcome to be generated due to machining accuracy deficiency.
Description
Technical field
It is specifically a kind of for friction wear testing machine the utility model is related to friction-wear test apparatus field
Shafting pressure-loaded system.
Background technology
In lathe grinding manufacture field, the frictional force between cutter and base material is easy to cause tool damage, base material cutting face
It is excessively coarse, the problems such as technology requires is not achieved.Generally need to the cutter that made of which kind of material be determined by friction test
It is most suitable for the cutting operation of certain base material or which kind of lubricating oil rubbing between cutter and base material is mitigated with during the cutting process
It wipes.
During being simulated by cutting state of the existing friction test equipment between cutter and base material, one
Aspect, the pressure between base material and cutter can not be adjusted, and can not simulate between cutter and base material at various pressures true cuts
Cut state;On the other hand, due to the limitation of craft precision, cutter with more or less there are the bumps of out-of-flatness on substrate coupons
Face so as to generate jumping phenomena when making and being in high speed relative rotation between cutter sample and substrate coupons, influences finally to test knot
The observation of fruit.
Utility model content
The utility model, which is intended to provide one kind, can accurately control pressure between cutter sample and substrate coupons, overcome cutter
The shafting pressure-loaded for friction wear testing machine of bounce that sample and substrate coupons are generated due to machining accuracy deficiency
System.
In order to solve the above technical problems, the technical solution adopted in the utility model is:One kind is used for friction-wear test
The shafting pressure-loaded system of machine is arranged on the lifting shaft on testing machine pedestal including testing machine pedestal and liftable, lifting
The upper end of axis is equipped with the fixture for clamping cutter sample or substrate coupons, and the lower end of lifting shaft is connected with by flexible connector
For control lifting shaft lift pressure loading device, pressure loading device include upper end connect with testing machine pedestal slide bar,
The servo motor of the lower end of the slider and the sliding block being slidably arranged on slide bar are connected to, threaded hole, spiral shell are equipped at the middle part of sliding block
Cooperation is equipped with the ball-screw that is sequentially connected with servo motor output shaft in pit, the upper end of sliding block by the first spring and
The lower end of mandril is connected, and the upper end of mandril is connect by the flexible connector with the lower end of the lifting shaft.
Preferably, the flexible connector include being used to support the heading of lifting shaft and top be fixed in heading the
Two springs, the bottom end of second spring are fixed in the spring groove being opened at the top of mandril.
Preferably, the axle sleeve for lifting shaft lifting carriage is equipped on the testing machine pedestal, between lifting shaft and axle sleeve
It is installed by spline fitted.
Preferably, the fixture includes the chuck for being coaxially fixed on lifting shaft upper end, and chuck is cylinder, in the upper of chuck
On end face multiple ring-shaped steps are equipped with from center to outer rim coaxial spaced.
Preferably, on the periphery of the chuck be equipped with external screw thread, on external screw thread cooperation be equipped with it is open-topped
Cutting fluid lubricating cup.
Preferably, the quantity of the slide bar is two and is located at the both sides of ball-screw respectively, and the upper end of two slide bars is equal
It is fixed with testing machine pedestal, the lower end of two slide bars is connected by fixed plate, is fixed in fixed plate for described in fixation
The motor cabinet of servo motor.
Preferably, the lifting shaft, slide bar, the first spring, second spring, ball-screw and mandril are vertically arranged.
Advantageous effect
The utility model is made by including the cooperation of the pressure loading device of servo motor, ball-screw and threaded hole
Lifting shaft generate lifting, can by lifting shaft accurately between cutter sample and substrate coupons provide needed for pressure, solve
Deficiency of the prior art has more true cutting test analog functuion.
The sliding block that is connect in pressure loading device with ball-screw and lead between the mandril that lifting shaft rises for pushing
The connection of the first spring is crossed, second spring is equipped between mandril and lifting shaft, is coordinated by the first spring and second spring slow
Punching acts on, in the case where cutter sample and substrate coupons are there are the male and fomale(M&F) of out-of-flatness, make cutter sample and substrate coupons it
Between be in high speed relative rotation when, avoid generate bounce the phenomenon that, have more accurate test effect.
Description of the drawings
Fig. 1 is the front view of the utility model;
Fig. 2 is the dimensional structure diagram of the utility model;
Fig. 3 is the structure diagram of the flexible connector of the utility model;
Fig. 4 is the dimensional structure diagram of the fixture of the utility model;
It is marked in figure:1st, servo motor, 2, motor cabinet, 3, fixed plate, 4, sliding block, 5, ball-screw, the 6, first spring, 7,
Mandril, 8, testing machine pedestal, 9, lifting shaft, 10, axle sleeve, 11, fixture, 1101, ring-shaped step, 1102, chuck, 1103, outer spiral shell
Line, 12, flexible connector, 1201, heading, 1202, second spring, 13, slide bar.
Specific embodiment
As shown in Figures 1 to 4, a kind of shafting pressure-loaded system for friction wear testing machine of the utility model,
The lifting shaft 9 being arranged on testing machine pedestal 8 can be lifted including testing machine pedestal 8 and vertically.In testing machine pedestal 8
The upper vertical axle sleeve 10 being equipped with for 9 lifting carriage of lifting shaft, lifting shaft 9 and axle sleeve 10 are coordinated by spline structure to be installed, and is being protected
Lifting shaft 9 is demonstrate,proved lifting shaft 9 can be avoided to generate and rotated flexibly under the premise of lifting carriage in axle sleeve 10.
The upper end of lifting shaft 9 is equipped with the fixture 11 for clamping cutter sample or substrate coupons, is base material in the present embodiment
Sample holder fixture 11, the fixture 11 include the chuck 1102 for being coaxially fixed on 9 upper end of lifting shaft, and chuck 1102 is cylinder,
On the upper surface of chuck 1102 multiple ring-shaped steps 1101 are equipped with from center to outer rim coaxial spaced.As shown in Figure 4 positioned at
A circular substrate coupons can be gripped in an innermost ring-shaped step 1101 or in arbitrary two neighboring annular
Position between step 1101 grips the annular substrate coupons of different size, meet in conventional friction wear test into
Type cutter sample, annular cutter sample, spherical tool sample and pin-shaped cutter sample try base material in friction-wear test
The requirement of sample shape.External screw thread 1103 is equipped on the periphery of chuck 1102, coordinates on external screw thread 1103 and top is installed
The cutting fluid lubricating cup of opening is equipped with electric heater unit in cutting fluid lubricating cup.Cutting fluid is added in cutting fluid lubricating cup and passes through electricity
Heating unit is heated, cutting fluid performance that can be under the simulation test condition of high temperature.
The lower end of lifting shaft 9 is connected with the pressure loading device for lifting shaft 9 to be controlled to lift by flexible connector 12,
Pressure loading device include upper end connect with testing machine pedestal 8 slide bar 13, be connected to 13 lower end of slide bar servo motor 1 and
The sliding block 4 being slidably arranged on slide bar 13 is equipped with threaded hole at the middle part of sliding block 4, in threaded hole cooperation be equipped with and servo electricity
The ball-screw 5 that 1 output shaft of machine is sequentially connected, is connected in the upper end of sliding block 4 by the first spring 6 with the lower end of mandril 7, is pushed up
The upper end of bar 7 is connect by flexible connector 12 with the lower end of lifting shaft 9.Flexible connector 12 includes being used to support lifting shaft 9
Heading 1201 and top be fixed on heading 1201 on second spring 1202, the bottom end of second spring 1202 is fixed at
It is opened in the spring groove at 7 top of mandril.By the rotation of 1 output shaft of servo motor, sliding block 4 can be pushed sliding on slide bar 13
It is dynamic, lifting driving force is passed so as to pass sequentially through the first spring 6, mandril 7, second spring 1202 and heading 1201 by sliding block 4
Be handed on lifting shaft 9, driving force size by 1 output shaft of servo motor rotation accurately realize and it is easily controllable, pass through the first bullet
, there is the male and fomale(M&F) of out-of-flatness in cutter sample and substrate coupons in the cushioning effect that spring 6 and second spring 1202 coordinate
Under, when making to be in high speed relative rotation between cutter sample and substrate coupons, the phenomenon that avoiding generating bounce, it is more accurate to have
Test effect.
The quantity of slide bar 13 in the present embodiment is two and is located at the both sides of ball-screw 5 respectively, two slide bars 13
Upper end is fixed with testing machine pedestal 8, and the lower end of two slide bars 13 is connected by fixed plate 3, and use is fixed in fixed plate 3
In the motor cabinet 2 of fixed servo motor 1.Lifting shaft 9, slide bar 13, the first spring 6, second spring 1202, ball-screw 5 and
Mandril 7 is vertically arranged.
In the specific implementation process of the utility model, cutter sample is set in the top of fixture 11 and for driving knife
Tool sample high-speed rotation and the driving device for being unable to vertical lifting, the adjustment rotation of servo motor 1 make cutter sample new with this practicality
The substrate coupons clamped by fixture 11 in type are contacted and are adjusted to requiring pressure, you can by cutter sample and substrate coupons it
Between high speed relatively rotate complete needed for frictional wear experiment.In the present embodiment, positioned at the first spring 6 and sliding block 4 it
Between, between the first spring 6 and mandril 7, between second spring 1202 and mandril 7 or between heading 1201 and the lower end of lifting shaft 9
Pressure sensor, pressure sensor connection controller are set.By the axis between pressure monitor sensor cutter sample and substrate coupons
It is pressure, when reducing pressure due to abrasion between cutter sample and substrate coupons, 1 turn of servo motor is controlled by controller
It is dynamic, sliding block 4 is finely tuned, achievees the purpose that be automatically adjusted to the pressure between cutter sample and substrate coupons to test required pressure.
Claims (7)
1. a kind of shafting pressure-loaded system for friction wear testing machine, it is characterised in that:Including testing machine pedestal(8)With
And liftable is arranged on testing machine pedestal(8)On lifting shaft(9), lifting shaft(9)Upper end be equipped with for clamping cutter sample
Or the fixture of substrate coupons(11), lifting shaft(9)Lower end pass through flexible connector(12)It is connected with to control lifting shaft(9)
The pressure loading device of lifting, pressure loading device include upper end and testing machine pedestal(8)The slide bar of connection(13), be connected to cunning
Bar(13)The servo motor of lower end(1)And it is slidably arranged in slide bar(13)On sliding block(4), in sliding block(4)Middle part be equipped with
Threaded hole, in threaded hole cooperation be equipped with and servo motor(1)The ball-screw that output shaft is sequentially connected(5), sliding block(4)It is upper
End passes through the first spring(6)With mandril(7)Lower end be connected, mandril(7)Upper end pass through the flexible connector(12)With
The lifting shaft(9)Lower end connection.
2. a kind of shafting pressure-loaded system for friction wear testing machine according to claim 1, it is characterised in that:
The flexible connector(12)Including being used to support lifting shaft(9)Heading(1201)And top is fixed on heading(1201)On
Second spring(1202), second spring(1202)Bottom end be fixed at and be opened in mandril(7)In the spring groove at top.
3. a kind of shafting pressure-loaded system for friction wear testing machine according to claim 1, it is characterised in that:
In the testing machine pedestal(8)It is equipped with for lifting shaft(9)The axle sleeve of lifting carriage(10), lifting shaft(9)And axle sleeve(10)It
Between installed by spline fitted.
4. a kind of shafting pressure-loaded system for friction wear testing machine according to claim 1, it is characterised in that:
The fixture(11)Including being coaxially fixed on lifting shaft(9)The chuck of upper end(1102), chuck(1102)For cylinder, in chuck
(1102)Upper surface on from center to outer rim coaxial spaced be equipped with multiple ring-shaped steps(1101).
5. a kind of shafting pressure-loaded system for friction wear testing machine according to claim 4, it is characterised in that:
In the chuck(1102)Periphery be equipped with external screw thread(1103), in external screw thread(1103)Upper cooperation is equipped with open top
Cutting fluid lubricating cup.
6. a kind of shafting pressure-loaded system for friction wear testing machine according to claim 1, it is characterised in that:
The slide bar(13)Quantity for two and respectively be located at ball-screw(5)Both sides, two slide bars(13)Upper end with examination
Test machine pedestal(8)It is fixed, two slide bars(13)Lower end pass through fixed plate(3)Connection, in fixed plate(3)On be fixed with and be used for
The fixed servo motor(1)Motor cabinet(2).
7. a kind of shafting pressure-loaded system for friction wear testing machine according to claim 1, it is characterised in that:
The lifting shaft(9), slide bar(13), the first spring(6), second spring(1202), ball-screw(5)And mandril(7)It is perpendicular
Straight setting.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721514773.7U CN207472739U (en) | 2017-11-14 | 2017-11-14 | A kind of shafting pressure-loaded system for friction wear testing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721514773.7U CN207472739U (en) | 2017-11-14 | 2017-11-14 | A kind of shafting pressure-loaded system for friction wear testing machine |
Publications (1)
Publication Number | Publication Date |
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CN207472739U true CN207472739U (en) | 2018-06-08 |
Family
ID=62260434
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CN201721514773.7U Expired - Fee Related CN207472739U (en) | 2017-11-14 | 2017-11-14 | A kind of shafting pressure-loaded system for friction wear testing machine |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107991231A (en) * | 2017-11-14 | 2018-05-04 | 洛阳理工学院 | A kind of shafting pressure-loaded system for friction wear testing machine |
-
2017
- 2017-11-14 CN CN201721514773.7U patent/CN207472739U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107991231A (en) * | 2017-11-14 | 2018-05-04 | 洛阳理工学院 | A kind of shafting pressure-loaded system for friction wear testing machine |
CN107991231B (en) * | 2017-11-14 | 2023-09-22 | 洛阳理工学院 | Shafting pressure loading system for friction and wear testing machine |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20191114 |
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CF01 | Termination of patent right due to non-payment of annual fee |