CN109187246A - A kind of bonded abrasive tool rigidity detection device and its detection method - Google Patents
A kind of bonded abrasive tool rigidity detection device and its detection method Download PDFInfo
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- CN109187246A CN109187246A CN201811253224.8A CN201811253224A CN109187246A CN 109187246 A CN109187246 A CN 109187246A CN 201811253224 A CN201811253224 A CN 201811253224A CN 109187246 A CN109187246 A CN 109187246A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The present invention relates to a kind of bonded abrasive tool rigidity detection devices, comprising: pedestal has perforative operating space on pedestal；Base bottom is equipped with Liftable supporting leg far from the position of operating space；Level Promoting mechanism, Level Promoting mechanism is installed at the top of pedestal, and does not cover operating space；Pushing mechanism is pushed, pushing mechanism is pushed and arranges vertically, slidably in Level Promoting mechanism, and its bottom extends in operating space；Pressure head, pressure head be installed on push pushing mechanism bottom, and be located at operating space in can along the vertical direction with moved in horizontal direction；And controller, controller are electrically connected Level Promoting mechanism and push pushing mechanism.It is easy to control, noise is small the present invention also provides a kind of detection method, it is suitble to apply under the high-cleanness environment of optical manufacturing scene；Controller controls pusher work by internal processes, and control is accurate, and measurement accuracy is high.
Description
Technical field
The present invention relates to optics superfine grinding/grinding technology field, more particularly to a kind of consolidation mill
Have rigidity detection device and its detection method.
Background technique
During optical element precision grinding machining, using super hard abrasive bonded abrasive tool, such as skive, realize
The forming of complex-curved optical element has many advantages, such as that material removal rate is fast, forming accuracy is high.But bonded abrasive tool
Hardness, i.e. the complexity that falls off from abrasive surface of abrasive material, to the processing quality of element, especially subsurface defect quality is deposited
In important influence.Grade of abrasive tool is too low, and abrasive material is easy to fall off from abrasive surface as free particles, under the action of grinding force
It is squeezed into optical element surface, forms deep torn grain defect；Also lead to grinding tool serious wear simultaneously, increases manufacturing cost.Grinding tool is hard
Du Taigao, grinding tool is unobvious from sharp effect in process, and abrasive surface air-hole blockage is serious, grinding force can be made sharply to increase
Add, other than influencing forming accuracy, element subsurface defect layer depth can also increased.Therefore, it is ground in optical element ultraprecise
Before cutting processing, the hardness of grinding tool is accurately measured using corresponding technological means, and suitable hard according to the selection of concrete technology condition
The grinding tool of degree reduces manufacturing cost to the machining accuracy and surface quality for improving optical element, has important engineer application valence
Value.
China's standard GB/T/T 2490-2007 provides ceramics of two kinds of detection particle size ranges between F36-F1200
The method of bonding agent and resinoid bond bonded abrasive tool hardness.First method uses sandblast hardness testing machine, uses certain pressure intensity
The quartz high pressure of certain particle size is sprayed onto abrasive surface by compressed air, is then measured abrasive surface by quartz sand and is impacted generation
Pit depth obtain the hardness of grinding tool.This method is easy to operate, but in optics Ultra-precision Turning scene, quartz sand particle pole
The earth reduces the cleanliness of environment, influences the processing quality of element.Second method uses Rockwell apparatus, in certain load
Under, go out a pit in abrasive surface static state coining using spherical indenter, the hardness of grinding tool is reflected by measurement pit depth.
What this method obtained is the static hardness of abrasive surface bonding agent, is unable to the difficulty or ease journey that exact surface abrasive material falls off from abrasive surface
Degree.
Scratch experiment is carried out in abrasive surface using nano-hardness tester, can accurately obtain the hardness of grinding tool.But this method
Expensive nano-hardness tester is needed, and the high humidity environment at optical manufacturing scene is also not suitable for the long-term of nano-hardness tester
It uses, therefore this method is also difficult to realize the on-position measure of grade of abrasive tool.
101183062 A of Chinese patent CN discloses a kind of detection method of semi-fixation abrasive grain grinding tool hardness.This method makes
Pressing is vertically pressed into abrasive surface, keeps pressure foot and grinding tool when being kept pressure foot parallel with abrasive surface with Shore durometer
Scleroscopic reading is read after full contact in 1s, can be obtained the hardness number of grinding tool.Equally, what this method measurement obtained is mill
Have the static hardness of surface bonding agent, it cannot the complexity that falls off from abrasive surface of Abrasive Grain completely.
203732382 U of Chinese patent CN discloses a kind of hammering method Wheel hardness detection system, is tapped using knocker
After grinding wheel, by the vibrating sensor being bonded on grinding wheel, grinding wheel is obtained by the modal information for hitting vibration, reflects grinding wheel indirectly
Hardness.Liu Fang, Jiao Jinxu (bibliography: Liu Fang, coke discussion of the gold rising sun based on Principles of Acoustics vitrified abrasive hardness characterizing method
[J], Zhongyuan Technical Faculty journal, 2014,25 (3): 33-37) pass through the acoustical signal for tapping grinding wheel and acquiring grinding wheel, extract feature ginseng
Relatively pure wheel vibration waveform is obtained after number noise reduction process, with the reversed hardness for reflecting grinding wheel around here.The two methods are adopted
The hardness for measuring grinding tool indirectly with physical signal is unable to the complexity that directly perceived characterization abrasive grain falls off from abrasive surface.
206095841 U of Chinese patent CN 204330511 U and CN is all made of the method for sandblasting to measure the hard of grinding tool
Degree, is equally also not suitable for the requirement of optical manufacturing scene high-cleanness environment.
Therefore, how to provide it is a kind of be applicable to optics Ultra-precision Turning scene directly, accurate measurement grade of abrasive tool
The problem of device is those skilled in the art's urgent need to resolve.
Summary of the invention
In view of this, solving above-mentioned technical problem the present invention provides a kind of bonded abrasive tool rigidity detection device.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of bonded abrasive tool rigidity detection device, comprising:
Pedestal has perforative operating space on pedestal；Base bottom is equipped with liftable far from the position of operating space
Height supporting leg；
Level Promoting mechanism, Level Promoting mechanism is installed at the top of pedestal, and does not cover operating space；
Pushing mechanism is pushed, pushing mechanism is pushed and arranges vertically, slidably in Level Promoting mechanism, and its bottom extends
To operating space；
Pressure head, pressure head be installed on push pushing mechanism bottom, and be located at operating space in can along the vertical direction with level side
It moves up；
And controller, controller are electrically connected Level Promoting mechanism and push pushing mechanism.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides a kind of bonded abrasive tool is hard
Detection device is spent, the height of pedestal can be adjusted due to passing through Liftable supporting leg in the application, adapt to detection device not
With the grinding tool of dimensions and surface shape；The application controller controlled level pushing mechanism, which drives, pushes pushing mechanism along horizontal
It is moved on direction, pressure head can be made to carry out uniform scribing to abrasive surface, detect the complexity of Grain Falling Off；Controller control
It pushes pushing mechanism band dynamic head and is pressed into abrasive surface, simple structure, convenient control, noise are small, are suitble at optical manufacturing scene
It is applied under high-cleanness environment；Controller controls pusher work by internal processes, and control is accurate, and measurement accuracy is high.
Wherein, controller is single-chip microcontroller, integrates the functions such as acquisition signal, analysis and processing data.
Preferably, pedestal is equilateral triangle, and the stability of triangle is good, provides guarantee for the precision of test；Inside it
Perforative operating space can be triangle, circle, ellipse, rectangle etc..
Preferably, Liftable supporting leg includes lower leg, upper leg, lock banking stop and adjusts ring；
In lower leg along the vertical direction on be provided with the first rectangular opening；And is provided in the top exterior walls of lower leg
One left hand thread；
Upper leg top and pedestal integrally connected；Its bottom is provided with identical with the first rectangular opening along the vertical direction
Two rectangular openings；And the first right-handed thread is provided in the bottom outer wall of upper leg；
Lock banking stop is rectangle, and upper part is mounted in the first rectangular opening, and bottom is mounted in the second rectangular opening；
The upper inside wall for adjusting ring has the second right-handed thread, and lower part has the second left hand thread；Second dextrorotation spiral shell and
The connection of one right-handed thread, the second left hand thread are connected with the first left hand thread.
Wherein, upper leg and lower leg can be cylinder；Using this scheme, due to adjusting the upper inside wall tool of ring
There is the second right-handed thread, lower part has the second left hand thread；Second dextrorotation spiral shell is connected with the first right-handed thread of upper leg, the
Two left hand threads are connected with the first left hand thread of lower leg；Lock banking stop is in the first rectangular opening and the second rectangular opening, is prevented
Only radial displacement between upper leg and lower leg, therefore ring is adjusted when manually adjusting rotation, lock banking stop limits top branch
The relative rotary motion of leg and lower leg is that right-handed thread is connect because adjusting ring with upper leg, adjusts ring and lower leg
Between adjusted for left hand thread, therefore lower leg can be relative to generating axially opposing shifting when rotating adjustment ring between upper leg
It is dynamic, realize the adjusting of height；Detection device is set to be suitble to the abrasive surface hardness determination of different surfaces shape.
Lower leg bottom can may be spherical surface for plane, be applicable in the hardness measurement of plane or curved surface grinding tool respectively.
Preferably, Level Promoting mechanism includes mounting plate, horizontal slide rail, motion platform and horizontal pusher；
Mounting plate is fixed at the top of pedestal, accounts for a part of pedestal topside area；
Horizontal slide rail is two branch sliding rails for being parallel to each other and having certain distance, is fixed on one by mounting plate,
Bottom surface is parallel with mounting plate bottom surface and abuts at the top of pedestal；
Motion platform is slidably on horizontal slide rail, and it is fixed on the moving platform to push pushing mechanism；
Horizontal pusher is fixed on a mounting board, and output end connects motion platform by connector, and pushes movement flat
Platform upper movement in the horizontal direction；Controller is electrically connected horizontal pusher.
Wherein centre bore and threaded hole are offered on motion platform；Centre bore is penetrated for depressing pushing mechanism lower part, spiral shell
Pit is fixed on motion platform by bolt by pushing mechanism is pushed, and threaded hole can be 4-6, and specific aperture is according to pushing
The selection of pushing mechanism dimensions；
The distance between two branch sliding rails protrude into operating space for depressing pushing mechanism lower part.
Preferably, Level Promoting mechanism further includes horizontal grating scale and horizontal grating reading head；
Horizontal grating scale is mounted on any sliding rail side, and horizontal grating reading head is mounted on motion platform and corresponds to horizontal grating
Ulnar side；Horizontal grating reading head and controller are electrically connected.Using this scheme, be conducive to horizontal grating reading head for motion platform
Upper movement position coordinate and move distance are sent to controller in the horizontal direction.
Preferably, Level Promoting mechanism further includes level meter, and level meter is fixed on motion platform.Using the effect of this scheme
Fruit are as follows: guarantee after adjusting height of landing leg, motion platform is in horizontality；Advantageous may include lateral level and longitudinal water
Level.
Preferably, each branch sliding rail two sides is separately installed with limited block.The effect of this scheme is used to prevent movement flat
Platform removes guide rail, plays the role of limiting out starting point and terminal, and it is empty to guarantee that motion platform drives pushing pushing mechanism to be in operation
Interior movement.
Preferably, pushing mechanism is pushed to include mounting bracket, lower last item, push linear bearing, push pusher, lower press polish
Grid ruler and pushing grating reading head；
Mounting bracket is fixed on motion platform；
Lower last item is through mounting bracket and motion platform and protrudes into operating space；It is detachable between its bottom and pressure head
Connection；It is conveniently replaceable pressure head；
It pushes and is fixed on motion platform bottom at the top of linear bearing, and limit lower last item along perpendicular with the cooperation of lower last item excircle
Histogram is to movement；
It pushes pusher to be installed at the top of mounting bracket, be detachably connected at the top of lower last item by connecting pin；Under and
Pusher and controller is pressed to be electrically connected；
Grating scale is pushed to be fixed on vertically on the inside of mounting bracket；
Grating reading head is installed on lower last item corresponding with grating scale position is pushed；Wherein grating reading head and controller electricity
Property connection, obtain the position coordinates in measurement movement last item at present.
Wherein, mounting bracket is similar n shape, and bottom is installed on the moving platform, and top is fixed to push pusher；Lower last item
Top penetrates motion platform and enters in mounting bracket, is connect by connecting pin with pusher output end is pushed, in lower last item lower part
Pressure head is fixed on lower last item bottom by lateral clamping screw by sky；The inside that grating scale is mounted on mounting bracket is pushed, under
Pressure grating reading head is located on lower last item the distance corresponding with grating scale position is pushed, pushing grating reading head pushes lower last item
Feed back to controller.
Preferably, horizontal pusher and pushing pusher are cylinder, and cylinder is connected to external compression air gas source；It is convenient
Control.Also it can choose hydraulic piston structure, be connected to hydraulic power source.
Preferably, baroceptor is provided on each cylinder；Baroceptor and controller are electrically connected；It is convenient for
Controller collects air pressure size, is used for internal arithmetic.
The present invention also provides a kind of bonded abrasive tool hardness detection methods, comprising the following steps:
S1, cleaning, smooth abrasive surface to be measured；Ensure abrasive surface without space scale 10d to 10D processing groove,
Wherein d is the granularity of grinding tool abrasive grain, and D is indenter tip radius；Specially the width of abrasive surface groove cannot be in 10d to 10D
In range；Abrasive surface used drainage to rinse and dry；
S2, it will test device and be fixed in S1 cleaning, smooth abrasive surface, it is ensured that detection device and abrasive surface are without phase
To displacement；And displacement sensor is installed on lower last item, and displacement sensor is connect with controller；
Wherein, if you need to detect big specification abrasive surface, it will test device by auxiliary tool and be fixed on abrasive surface；If its
It is spherical supporting leg that lower leg, which can be used, for curved surface grinding tool, lower leg is used to be examined for the supporting leg of plane if plane
It surveys；
If you need to detect small dimension abrasive surface, grinding tool is placed in below detection device；
S3, drive the displacement sensor installed in S2 in grinding tool table by mobile and horizontal pusher and/or pushing pusher
Face is at the uniform velocity moved, and the original profile f of abrasive surface is measured0, and it is sent to controller；
S4, displacement sensor is removed, pressure head is installed；And horizontal pusher and pushing pusher are back to starting point
It sets, so that pressure head is not contacted abrasive surface for compressed air to horizontal pusher and pushing pusher respectively, and pressure head is made to carry out water
Flat uniform motion and vertical uniform motion, controller, which receives, compresses atmospheric pressure P in the horizontal pusher of baroceptor feedbackf0
With the pressure P for pushing compressed air in pusherd0；
S5, then to horizontal pusher and pusher is pushed for compressed air respectively, draw pressure head in abrasive surface average rate
It carves；Controller receives the pressure p of compressed air in the horizontal pusher that baroceptor is sent at this timefWith pushing pusher internal pressure
The pressure p of contracting aird；The distance that the pressure head that horizontal grating reading head is sent moves horizontally pushes the pressure that grating reading head is sent
The distance f that head pushes；Controller calculates the hardness number of abrasive surface according to following formula manipulation；
H is tested abrasive surface hardness in formula, and S is lower air cylinder piston forced area, pdWhen being pushed to push pusher
Corresponding pressure, pfFor corresponding pressure in horizontal pusher horizontal movement, f is the distance that pressure head pushes, f0For abrasive surface original
Beginning profile, wherein when tested abrasive surface is plane, f0=0.
The present invention can also include display, for showing detection data and calculated result, and can add up display detection
Multiple mean values with batch grinding tool can be used for grinding tool factory consistency detection measurement.
Artificial calculation equally can be used in the application；Controller is replaced with into acquisition device, each pusher is using artificial
Control opens or closes；And record the abrasive surface original contour f of measurement0, horizontal pusher pressure pf, push pusher pressure
pd, the parameters such as depression distance, abrasive surface hardness number is calculated according to above-mentioned formula.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is a kind of bonded abrasive tool rigidity detection device structural schematic diagram provided by the invention；
Fig. 2 attached drawing is a kind of structural representation of the Level Promoting mechanism of bonded abrasive tool rigidity detection device provided by the invention
Figure；
Fig. 3 attached drawing is a kind of structural representation of the pushing pushing mechanism of bonded abrasive tool rigidity detection device provided by the invention
Figure；
Fig. 4 attached drawing is a kind of one embodiment of the lower leg of bonded abrasive tool rigidity detection device provided by the invention
Perspective view；
Fig. 5 attached drawing is a kind of another embodiment of the lower leg of bonded abrasive tool rigidity detection device provided by the invention
Perspective view；
Fig. 6 attached drawing is a kind of perspective view of the lock banking stop of bonded abrasive tool rigidity detection device provided by the invention；
Fig. 7 attached drawing is a kind of control principle block diagram of bonded abrasive tool rigidity detection device provided by the invention.
Specific embodiment
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 description, 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 every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of bonded abrasive tool rigidity detection devices, and detection accuracy is high, and structure is simple, are suitble to light
It learns and is applied under processing site high-cleanness environment.
Referring to attached drawing 1, a kind of bonded abrasive tool rigidity detection device, comprising:
Pedestal 1 has perforative operating space on pedestal 1；1 bottom of pedestal is equipped with far from the position of operating space and can rise
Height supporting leg 2 drops；
Level Promoting mechanism 3, Level Promoting mechanism 3 is installed on 1 top of pedestal, and does not cover operating space；
Pushing mechanism 4 is pushed, pushing mechanism 4 is pushed and arranges vertically, slidably in Level Promoting mechanism 3, and its bottom
It extends in operating space；
Pressure head 5, pressure head 5, which is installed on, pushes 4 bottom of pushing mechanism, and being located in operating space can be along the vertical direction and horizontal
It is moved on direction；
And controller, controller are electrically connected Level Promoting mechanism 3 and push pushing mechanism 4.
The present disclosure provides a kind of bonded abrasive tool rigidity detection devices, due to passing through Liftable branch in the application
Leg 2 can adjust 1 elevation of water of pedestal, and detection device is made to adapt to the grinding tool of different dimensions and surface shape；The application
Controller controlled level pushing mechanism 3, which drives, pushes the upper movement in the horizontal direction of pushing mechanism 4, and pressure head 5 can be made to grinding tool table
Face carries out uniform scribing, detects the complexity of Grain Falling Off；Controller control pushes pushing mechanism 4 under the completion of dynamic head 5
Abrasive surface is pressed, simple structure, convenient control, noise are small, are suitble to apply under the high-cleanness environment of optical manufacturing scene；Controller
Pusher work is controlled by internal processes, control is accurate, and measurement accuracy is high.
Wherein, controller is single-chip microcontroller, integrates the functions such as acquisition signal, processing data.
In one embodiment of the invention, referring to attached drawing 1, pedestal 1 is equilateral triangle, and the stability of triangle is good, is
The precision of test provides guarantee；Its internal perforative operating space can be triangle, circle, ellipse, rectangle etc..
Advantageously, Liftable supporting leg 2 includes lower leg 21, upper leg 22, lock banking stop 23 and adjusts ring 24；
In lower leg 21 along the vertical direction on be provided with the first rectangular opening；And it is arranged in the top exterior walls of lower leg 21
There is the first left hand thread；
22 top of upper leg and 1 integrally connected of pedestal；Its bottom is provided with identical as the first rectangular opening along the vertical direction
The second rectangular opening；And the first right-handed thread is provided in the bottom outer wall of upper leg 22；
Referring to Fig. 6, lock banking stop 23 is rectangle, and upper part is mounted in the first rectangular opening, and bottom is mounted on the second rectangle
In hole；
The upper inside wall for adjusting ring 24 has the second right-handed thread, and lower part has the second left hand thread；Second dextrorotation spiral shell and
The connection of first right-handed thread, the second left hand thread are connected with the first left hand thread.
Wherein, upper leg 22 and lower leg 21 can be cylinder；Upper inside wall due to adjusting ring 24 has the
Two right-handed threads, lower part have the second left hand thread；Second dextrorotation spiral shell is connected with the first right-handed thread of upper leg 22, and second
Left hand thread is connected with the first left hand thread of lower leg 21；Lock banking stop 23 is in the first rectangular opening and the second rectangular opening,
When preventing radial displacement between upper leg 22 and lower leg 21, therefore adjusting ring 24 and manually adjust rotation, lock banking stop 23 is limited
The relative rotary motion for having made upper leg 22 and lower leg 21, because adjusting ring 24 and upper leg 22 as right-handed thread company
It connects, adjusts and adjusted between ring 24 and lower leg 21 for left hand thread, therefore lower leg 21 can be opposite when rotating adjustment ring 24
Axial movement is generated between upper leg 22, realizes the adjusting of height；Detection device is set to be suitble to the grinding tool table of different-thickness
Surface hardness detection.
Referring to attached Figure 4 and 5,21 bottom of lower leg can may be spherical surface for plane, be applicable in plane or curved surface respectively
The hardness measurement of grinding tool.
In one embodiment of the invention, referring to attached drawing 2, Level Promoting mechanism 3 includes mounting plate 31, horizontal slide rail
32, motion platform 33 and horizontal pusher 34；
Mounting plate 31 is fixed on 1 top of pedestal, accounts for a part of 1 topside area of pedestal；
Horizontal slide rail 32 is two branch sliding rails for being parallel to each other and having certain distance, is fixed on one by mounting plate 31
Body, bottom surface is parallel with 31 bottom surface of mounting plate and abuts 1 top of pedestal；
Motion platform 33 pushes pushing mechanism 4 and is fixed on motion platform 33 slidably on horizontal slide rail 32；
Horizontal pusher 34 is fixed on mounting plate 31, connects motion platform 33 by connector (can be connecting pin),
And push the upper movement in the horizontal direction of motion platform 33；Controller is electrically connected horizontal pusher 34.
Wherein centre bore and threaded hole are offered on motion platform 33；Centre bore is penetrated for depressing 4 lower part of pushing mechanism,
Threaded hole is fixed on motion platform 33 by bolt by pushing mechanism 4 is pushed, and threaded hole can be 4-6, specific aperture root
It is selected according to 4 dimensions of pushing mechanism is pushed；
The distance between two branch sliding rails protrude into operating space for depressing 4 lower part of pushing mechanism.
Advantageously, Level Promoting mechanism 3 further includes horizontal grating scale 35 and horizontal grating reading head 36；
Horizontal grating scale 35 is mounted on any sliding rail side, and horizontal grating reading head 36 is mounted on the corresponding water of motion platform 33
Flat 35 side of grating scale；Horizontal grating reading head 36 is electrically connected with controller.Using this scheme, be conducive to horizontal grating reading head
36 by motion platform 33, upper movement position coordinate and move distance are sent to controller in the horizontal direction.
Advantageously, Level Promoting mechanism 3 further includes level meter, level meter is fixed on motion platform 33.Using this side
The effect of case are as follows: guarantee after adjusting height of landing leg, pedestal 1 is in horizontality；Advantageous may include 37 He of lateral level
Vertical equity instrument 38.
In another embodiment of the present invention, each branch sliding rail two sides is separately installed with limited block 39.To prevent from transporting
Moving platform 33 removes sliding rail, plays the role of limiting out starting point and terminal, guarantees that motion platform 33 drives and pushes at pushing mechanism 4
In being moved in operating space.
Referring to attached drawing 3, pushes pushing mechanism 4 and pushed away including mounting bracket 41, lower last item 42, pushing linear bearing 46, pushing
Dynamic device 43 pushes grating scale 44 and pushes grating reading head 45；
Mounting bracket 41 is fixed on motion platform 33；
Lower last item 42 is through mounting bracket 41 and motion platform 33 and protrudes into operating space；Its bottom and pressure head 5 are removable
Unload connection；It is conveniently replaceable pressure head；
It pushes and is fixed on 33 bottom of motion platform at the top of linear bearing 46, and cooperate limitation to push with lower 42 excircle of last item
Axis 42 is vertically moving, prevents lower last item 42 from shifting；
It pushes pusher 43 and is installed on 41 top of mounting bracket, detachably connect with connecting pin is passed through at the top of lower last item 42
It connects；And it is electrically connected with controller；
It pushes grating scale 44 and is fixed on 41 inside of mounting bracket vertically；
Grating reading head is installed on lower last item 42 corresponding with 44 position of grating scale is pushed；Wherein push grating reading head 45
It is electrically connected with controller, obtains and move the position coordinates of last item 42 at present in measurement.
Wherein, mounting bracket 41 is similar n shape, and bottom is mounted on motion platform 33, and top is fixed to push pusher 43；
Motion platform 33 is penetrated at the top of lower last item 42 to enter in mounting bracket 41, by connecting pin and pushes 43 output end of pusher company
It connects；The inside that grating scale 44 is mounted on mounting bracket 41 is pushed, grating reading head 45 is pushed and is located on lower last item 42 and lower press polish
44 position of grid ruler is corresponding, pushes grating reading head 45 for the distance that lower last item 42 pushes and feeds back to controller.
Pressure head 5 is fixed on lower 42 bottom of last item by clamping screw by lower 42 lower hollow of last item.
In other embodiments of the invention, horizontal pusher 34 and to push pusher 43 be cylinder, cylinder and outer
The connection of portion's compressed air gas source；Facilitate control.
Horizontal pusher 34 and pushing pusher 43 also can choose hydraulic piston structure, be connected to hydraulic power source.
Advantageously, being provided with baroceptor on each cylinder；First baroceptor (horizontal direction cylinder),
Second baroceptor (pushing direction cylinder) is electrically connected with controller；Air pressure size is collected convenient for controller, for interior
Portion's operation.
The present invention also provides a kind of bonded abrasive tool hardness detection methods, comprising the following steps:
S1, cleaning, smooth abrasive surface to be measured；Ensure abrasive surface without space scale 10d to 10D processing groove,
Wherein d is the granularity of grinding tool abrasive grain, and D is indenter tip radius；Specially the width of abrasive surface groove cannot be in 10d to 10D
In range；Abrasive surface used drainage to rinse and dry；
S2, it will test device and be fixed in S1 cleaning, smooth abrasive surface, it is ensured that detection device and abrasive surface are without phase
To displacement；And displacement sensor is installed on lower last item, and displacement sensor is connect with controller；
Wherein, if you need to detect big specification abrasive surface, it will test device by auxiliary tool and be fixed on abrasive surface；If its
It is spherical supporting leg that lower leg, which can be used, for curved surface grinding tool, lower leg is used to be examined for the supporting leg of plane if plane
It surveys；
If you need to detect small dimension abrasive surface, grinding tool is placed in below detection device；
S3, drive the displacement sensor installed in S2 in grinding tool table by mobile and horizontal pusher and/or pushing pusher
Face is at the uniform velocity moved, and the original profile f of abrasive surface is measured0, and it is sent to controller；
S4, displacement sensor is removed, pressure head is installed；And horizontal pusher and pushing pusher are back to starting point
It sets, so that pressure head is not contacted abrasive surface for compressed air to horizontal pusher and pushing pusher respectively, and pressure head is made to carry out water
Flat uniform motion and vertical uniform motion, controller, which receives, compresses atmospheric pressure P in the horizontal pusher of baroceptor feedbackf0
With the pressure P for pushing compressed air in pusherd0；
S5, then to horizontal pusher and pusher is pushed for compressed air respectively, draw pressure head in abrasive surface average rate
It carves；Controller receives the pressure p of compressed air in the horizontal pusher that baroceptor is sent at this timefWith pushing pusher internal pressure
The pressure p of contracting aird；The distance that the pressure head that horizontal grating reading head is sent moves horizontally pushes the pressure that grating reading head is sent
The distance f that head pushes；Controller calculates the hardness number of abrasive surface according to following formula manipulation；
H is tested abrasive surface hardness in formula, and S is lower air cylinder piston forced area, pdWhen being pushed to push pusher
Corresponding pressure, pfFor corresponding pressure in horizontal pusher horizontal movement, f is the distance that pressure head pushes, f0For abrasive surface original
Beginning profile, wherein when tested abrasive surface is plane, f0=0.
The present invention can also include display, for showing detection data and calculated result, and can add up display detection
Multiple mean values with batch grinding tool can be used for grinding tool factory consistency detection measurement.
Artificial calculation equally can be used in the application；Controller is replaced with into acquisition device, each pusher is using artificial
Control opens or closes；And record the abrasive surface original contour f of measurement0, horizontal pusher pressure pf, push pusher pressure
pd, the parameters such as depression distance, abrasive surface hardness number is calculated according to above-mentioned formula.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is 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 readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of bonded abrasive tool rigidity detection device characterized by comprising
Pedestal (1) has perforative operating space on the pedestal (1)；Pedestal (1) bottom is far from the operating space
Position is equipped with Liftable supporting leg (2)；
Level Promoting mechanism (3), the Level Promoting mechanism (3) is installed at the top of the pedestal (1), and does not cover the operation
Space；
It pushes pushing mechanism (4), the pushing pushing mechanism (4) is arranged vertically, slidably in the Level Promoting mechanism (3)
On, and its bottom extends in the operating space；
Pressure head (5), the pressure head (5) are installed on pushing pushing mechanism (4) bottom, and being located at can edge in the operating space
Vertically and horizontally upper movement；
And controller, the controller are electrically connected the Level Promoting mechanism (3) and the pushing pushing mechanism (4).
2. a kind of bonded abrasive tool rigidity detection device according to claim 1, which is characterized in that the pedestal (1) is positive
Triangle.
3. a kind of bonded abrasive tool rigidity detection device according to claim 1, which is characterized in that the Liftable branch
Leg (2) includes lower leg (21), upper leg (22), lock banking stop (23) and adjusts ring (24)；
On the lower leg (21) along the vertical direction on be provided with the first rectangular opening；And outside the top of the lower leg (21)
The first left hand thread is provided on wall；
Upper leg (22) top and the pedestal (1) integrally connected；Its bottom is provided with and the first square along the vertical direction
Identical second rectangular opening in shape hole；And the first right-handed thread is provided in the bottom outer wall of the upper leg (22)；
The lock banking stop (23) is rectangle, and upper part is mounted in first rectangular opening, and bottom is mounted on second square
In shape hole；
The upper inside wall for adjusting ring (24) has the second right-handed thread, and lower part has the second left hand thread；Described second is right
Rotation spiral shell is connected with first right-handed thread, and second left hand thread is connected with first left hand thread.
4. a kind of bonded abrasive tool rigidity detection device according to claim 3, which is characterized in that the Level Promoting mechanism
It (3) include mounting plate (31), horizontal slide rail (32), motion platform (33) and horizontal pusher (34)；
The mounting plate (31) is fixed at the top of the pedestal (1)；
The horizontal slide rail (32) is two branch sliding rails for being parallel to each other and having certain distance, solid by the mounting plate (31)
Due to one, bottom surface is parallel with the mounting plate (31) bottom surface and abuts at the top of the pedestal (1)；
The motion platform (33) is slidably on the horizontal slide rail (32), and the pushing pushing mechanism (4) is fixed on institute
It states on motion platform (33)；
The horizontal pusher (34) is fixed on the mounting plate (31), and output end connects the movement by connector and puts down
Platform (33), and push the motion platform (33) upper movement in the horizontal direction；The controller is electrically connected the Level Promoting
Device (34).
5. a kind of bonded abrasive tool rigidity detection device according to claim 4, which is characterized in that the Level Promoting mechanism
It (3) further include horizontal grating scale (35) and horizontal grating reading head (36)；
The horizontal grating scale (35) is mounted on any branch sliding rail side, and the horizontal grating reading head (36) is mounted on described
Corresponding horizontal grating scale (35) side of motion platform (33)；The horizontal grating reading head (36) electrically connects with the controller
It connects.
6. a kind of bonded abrasive tool rigidity detection device according to claim 4, which is characterized in that the Level Promoting mechanism
It (3) further include level meter, the level meter is fixed on the motion platform (33).
7. a kind of bonded abrasive tool rigidity detection device according to claim 5 or 6, which is characterized in that each described branch
Sliding rail two sides are separately installed with limited block (39).
8. a kind of bonded abrasive tool rigidity detection device according to claim 5 or 6, which is characterized in that the pushing pushes
Mechanism (4) includes mounting bracket (41), lower last item (42), pushes linear bearing (46), push pusher (43), push grating scale
(44) and grating reading head (45) are pushed；
The mounting bracket (41) is fixed on the motion platform (33)；
The lower last item (42) is through the mounting bracket (41) and the motion platform (33) and protrudes into the operating space；
It is to be detachably connected between its bottom and the pressure head (5)；
Be fixed on the motion platform (33) bottom at the top of the pushing linear bearing (46), and with lower last item (42) outer circle
It is vertically moving that Zhou Peihe limits the lower last item (42)；
The pushing pusher (43) is installed at the top of the mounting bracket (41), connect with lower last item (42) top；
And push pusher (43) and controller electric connection；
The pushing grating scale (44) is fixed on vertically on the inside of the mounting bracket (41)；
The grating reading head (45) is installed on corresponding with pushing grating scale (44) position on the lower last item (42)；Wherein
The grating reading head (45) and the controller are electrically connected.
9. a kind of bonded abrasive tool rigidity detection device according to claim 8, which is characterized in that the horizontal pusher
(34) and the pushing pusher (43) is cylinder, and the cylinder connects compressed air gas source, and on each described cylinder
It is provided with baroceptor；The baroceptor and the controller are electrically connected.
10. a kind of bonded abrasive tool hardness detection method, which comprises the following steps:
S1, cleaning, smooth abrasive surface to be measured；
S2, it will test device and be fixed in S1 cleaning, smooth abrasive surface, it is ensured that detection device and abrasive surface are without opposite position
It moves；And displacement sensor is installed on lower last item, and displacement sensor is connect with controller；
S3, drive the displacement sensor installed in S2 even in abrasive surface by mobile and horizontal pusher and/or pushing pusher
Speed is mobile, measures the original profile f of abrasive surface0, and it is sent to controller；
S4, displacement sensor is removed, pressure head is installed；And horizontal pusher and pushing pusher are back to initial point position, point
So that pressure head is not contacted abrasive surface for compressed air to horizontal pusher and pushing pusher, and keeps pressure head carry out level even
Speed movement and vertical uniform motion, controller, which receives, compresses atmospheric pressure P in the horizontal pusher of baroceptor feedbackf0With under
Press the pressure P of compressed air in pusherd0；
S5, then respectively to horizontal pusher and push pusher for compressed air, make pressure head in abrasive surface average rate scribing；Control
Device processed receives the pressure p of compressed air in the horizontal pusher that baroceptor is sent at this timefSky is compressed in pusher with pushing
The pressure p of gasd；The distance that the pressure head that horizontal grating reading head is sent moves horizontally pushes under the pressure head that grating reading head is sent
The distance f of pressure；Controller calculates the hardness number of abrasive surface according to following formula manipulation；
H is tested abrasive surface hardness in formula, and S is lower air cylinder piston forced area, pdIt is corresponding when pusher pushes to push
Pressure, pfFor corresponding pressure in horizontal pusher horizontal movement, f is the distance that pressure head pushes, f0For the original wheel of abrasive surface
Exterior feature, wherein when tested abrasive surface is plane, f0=0.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811253224.8A CN109187246B (en) | 2018-10-25 | 2018-10-25 | Hardness detection device and method for bonded abrasive tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811253224.8A CN109187246B (en) | 2018-10-25 | 2018-10-25 | Hardness detection device and method for bonded abrasive tool |
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| CN109187246B CN109187246B (en) | 2023-09-22 |
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Cited By (1)
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