CN108312021A - A kind of precise polished System and method for of the fatigue testing specimen being installed on cylindrical grinder - Google Patents
A kind of precise polished System and method for of the fatigue testing specimen being installed on cylindrical grinder Download PDFInfo
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- CN108312021A CN108312021A CN201810317527.5A CN201810317527A CN108312021A CN 108312021 A CN108312021 A CN 108312021A CN 201810317527 A CN201810317527 A CN 201810317527A CN 108312021 A CN108312021 A CN 108312021A
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- China
- Prior art keywords
- connecting rod
- fatigue testing
- polishing
- testing specimen
- cylindrical grinder
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Classifications
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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
- B24B25/00—Grinding machines of universal type
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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
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
-
- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
-
- 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
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/32—Polishing; Etching
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2866—Grinding or homogeneising
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The present invention is a kind of precise polished System and method for for the fatigue testing specimen being installed on cylindrical grinder, belong to metal fatigue sample polishing technical field, it is related to a kind of longitudinal accurate free abrasive tympanites polishing system and method for circular section fatigue testing specimen, is made of cantilever mechanism, clamping plate, adjustable springs, buff spindle, polishing slurries jet circulating system；This system can be installed on the basis of existing cylindrical grinder, the grinding and polishing function, formation process to realize fatigue testing specimen on a grinding machine are concentrated, and are reduced workpiece and are installed number, provide efficiency；It is higher than manual sand paper polishing precision, stability and reliability, it is greatly improved the efficiency of polishing, mitigates labor intensity.
Description
Technical field
The invention belongs to metal fatigue sample polishing technical fields, are related to a kind of for the vertical of circular section fatigue testing specimen
To accurate free abrasive tympanites polishing system and method.
Background technology
According to GB/T 3075-2008《Metal Material Fatigue tests axial force control method》Provide Metal Material Fatigue examination
Test has round and two kinds of rectangle with the original cross-sectional of sample, and most widely used at present is circular section sample, is suggested in standard
After the processing flow of sample is longitudinal milling, smart car and fine grinding, the last of working portion surface is carried out with the method longitudinally polished
Finishing, the purpose of polishing are that the residual stress for making specimen surface generate and processing hardening minimize, at least 20 times of amplification
Under multiple, without lateral cutter trade, the quantity of usual fatigue testing specimen is big, and surface roughness and residual stress coherence request are high,
Its polishing process and method are improved, being of great significance for the fatigue testing specimen surface quality for reaching standard requirement is efficiently obtained.
At present due to the limitation of equipment, transverse grinding is often used, if polishing is not thorough, it will make tool marks, scratch not
It can be completely removed, become stress concentration point；Current polishing mode is mostly manual sand paper polishing, and surface roughness and remnants are answered
Power is unevenly distributed, and fatigue experiment result data is caused to disperse；And hand polish efficiency is low, labor intensity is big, sand paper consumption
Greatly.The equipment polished for fatigue testing specimen is there is no at present, need to be invented a kind of for the longitudinal accurate free of circular section fatigue testing specimen
Abrasive material tympanites polishing system and method.
Invention content
In order to solve the technical problems existing in the prior art, the invention discloses a kind of fatigues being installed on cylindrical grinder
The precise polished System and method for of sample；Precise polished system in the present invention is sprayed by the rotation of polishing tympanites, polishing slurries
The circulatory system forms；The common function of realizing polishing of the head frame of the polishing system and cylindrical grinder in the prior art rotation.
The technical solution adopted by the present invention is as follows：
A kind of precise polished system for the fatigue testing specimen being installed on cylindrical grinder, including a cantilever design, described outstanding
Arm configuration includes a clamping device being clamped on grinding wheel protective cover of grinding machine, rack, connecting rod I, connecting rod II, connecting rod III and can
Elasticity adjusting device, the rack are fixed on the clamping device, and the rack is hinged with connecting rod I, the connecting rod I and company
Bar III is hinged, and connecting rod II is connected with connecting rod I, connecting rod III respectively, for fixing the angle between connecting rod I and connecting rod III；It is described
Adjustable elastic device tense between rack and connecting rod I, realize the adjusting of cantilever mechanism pressing force；On the connecting rod III
Buff spindle there are one fixed, the buff spindle driving tympanites rotation, polishing is further fixed in the side of the buff spindle
The pulp jets circulatory system.
Further, the buff spindle is connected to by buff spindle fastening bolt on buff spindle fixed frame, described
Buff spindle fixed frame is bolted to by connection on connecting rod III；Buff spindle fixed frame can have a certain range of along connecting rod III
Shift in position.
Further, the polishing slurries jet circulating system includes the polishing slurries spray for being fixed on buff spindle side
Mouth and the polishing slurries recover being fixed below nozzle；The polishing slurries nozzle is connected with liquid-supplying system, described
Polishing slurries recover is connected with recovery system, and the slurries of recycling are sent to liquid-supplying system by recovery system from newly.
Further, the polishing slurries nozzle is connected to by nozzle fixed frame on the fixed frame of buff spindle, this
The benefit of mounting means is：When the fixed frame of buff spindle drives buff spindle to carry out position adjustment, throwing can be realized simultaneously
The position of light slurries recover adjusts together.
Further, the polishing slurries recover is fixed on the connecting rod III, in the position tune of connecting rod III
When whole, the position adjustment of polishing slurries recover can be realized simultaneously；Polishing slurries will not pollute the bed of cylindrical grinder when polishing
Body, and the bottom of recover connects output pipe, can at any time recycle the slurry for inputting recover.
Further, the clamping device is clamping plate, and clamping plate is clamped in protective hood of grinding wheel by fishbolt
Top realizes that cantilever mechanism is clamped on cylindrical grinder.
Further, the polishing slurries are mainly silicon carbide slurry or corundum slurry.
Further, the cantilever mechanism can determine connecting rod according to the specific contact position of tympanites and fatigue testing specimen
I, connecting rod II and III exact angle of connecting rod arrangement.
Further, the adjustable spring tail end is fixed on by fastening bolt on clamping plate or rack, adjustable spring
Front end is fixed on by bolt II on connecting rod I, and adjustable spring itself can adjust elastic force, and cantilever mechanism pressing force is realized with this
It adjusts, and then adjusts the radial polish pressure of polishing tympanites and fatigue testing specimen.
Further, the buff spindle is connected to by buff spindle fastening bolt on buff spindle fixed frame, described
Buff spindle fixed frame is bolted to by the connection of buff spindle fixed frame on connecting rod III；Buff spindle fixed frame can be along connecting rod
III has a certain range of shift in position.
The present invention also provides a kind of methods for the polishing carrying out fatigue testing specimen using the precise polished system, specifically
Procedure of processing is as follows：
Step 1：By gripping means grips on protective hood of grinding wheel, rack and adjustable spring tail end are mounted on and clamp dress
It sets, and installs cantilever mechanism；
Step 2：The front end of adjustable spring, buff spindle and polishing slurries recover are mounted on cantilever mechanism, according to
Polishing tympanites and the specific contact position of fatigue testing specimen come cantilever mounted mechanism；
Step 3：After installation is complete, fatigue testing specimen after grinding is started to polish, it, will after polished end reaches requirement
All machines are closed, and at this time can unclamp the bolt V of cantilever mechanism, and the front end of adjustable spring is unclamped, by entire cantilever machine
Structure is lifted up, and is put on wheel guard, does not influence the grinding of next fatigue testing specimen；
Step 4：It waits for all fatigue testing specimen grinding-polishings after processing is completed, which can be dismantled, preserved.
Beneficial effects of the present invention are as follows：
Precise polished system in the present invention is made of the rotation of polishing tympanites, polishing slurries jet circulating system；The throwing
The common function of realizing polishing of the head frame of photosystem and cylindrical grinder in the prior art rotation；The rotating speed of buff spindle passes through it
Driving device realization is adjustable, utilizes the feed system of cylindrical grinder that the rotating speed of workpiece and length feed speed in polishing process is adjusted
Degree, using tympanites in the changeable polishing process of the adjustable springs of the system to the radial polish pressure of fatigue testing specimen, rubbing paste
The formula of material can also adjust as needed；
The invention solves technical barrier be the defect for making up existing technology, utilize a kind of cylindrical grinder that is installed on
The precise polished system of fatigue testing specimen realizes that the polishing of fatigue testing specimen, the present apparatus can be directly installed on existing cylindrical grinder completely
On, easy for installation succinct, grinding and polishing function, formation process to realize fatigue testing specimen on a grinding machine are concentrated, are subtracted
Few workpiece installs number, provides efficiency
The present invention, can be by changing the abrasive grain in the viscosity of polishing slurries, slurry when for every machined parameters
The polishings such as degree and mass percent, the rotating speed of workpiece and length feed speed, the rotating speed of buff spindle, workpiece radial direction polish pressure
Technological parameter is carried out using quality of finish as constraints, optimal buffer is obtained as the Optimal Experimental of target using polishing efficiency
Skill parameter.
The design of cantilever mechanism is to consider that entire fatigue testing specimen polishing system is mounted on the definite position of cylindrical grinder in the present invention
It sets, the space that cylindrical grinder can be installed determines that the overall structure of polishing system is cantilever design, which can polish
When by adjust connecting rod between angle come determine polishing system work when exact position, when polishing process complete rear
Just it is lifted up, does not influence the grinding process of cylindrical grinder；And with polishing slurries jet circulating system, buff spindle it is detachable
Mounting means and can be fixed along the different position of connecting rod III, may make polishing slurries jet circulating system and buff spindle according to
The specific size for the fatigue testing specimen to be polished adjusts angle and accurate fixed position.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the improper restriction to the application for explaining the application.
Fig. 1 is a kind of overall installation of the precise polished System and method for for the fatigue testing specimen being installed on cylindrical grinder of the present invention
Schematic diagram；
Fig. 2 is local structural graph of the present invention；
Fig. 3, which is that the present invention is longitudinal, polishes schematic diagram；
Fig. 4 is the schematic diagram of the light pulp jets circulatory system of the present invention
Wherein, 1, tailstock, 2, guide rail, 3, fatigue testing specimen, 4, protective hood of grinding wheel, 5, fishbolt, 6, clamping plate, 7, fastening
Bolt, 8, rack, 9, bolt I, 10, adjustable spring, 10-a, adjustable spring front end, 10-b, adjustable spring tail end, 11, bolt
II, 12, connecting rod I, 13, bolt III, 14, connecting rod II, 15, bolt IV, 16, connecting rod III, 17, bolt V, 18, buff spindle fix
Frame, 19, recover fixed frame, 20, polishing slurries recover, 21, head frame, 22, buff spindle fastening bolt, 23, fixed frame connects
Connecting bolt, 24, buff spindle, 25, polishing slurries nozzle, 26, nozzle fixed frame, 27, tympanites, 28, recover output channel,
29, mashing pump.
Specific implementation mode
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof；
In order to facilitate narration, if there is "upper", "lower" printed words in the present invention, only indicate with attached drawing itself it is upper and lower,
Left and right direction is consistent, does not play restriction effect to structure, it is only for convenient for the description present invention and simplify description, rather than
Indicate or imply that signified equipment or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot
It is interpreted as limitation of the present invention.
Term explains part:The terms such as term " installation ", " connected ", " connection ", " fixation " in the present invention should do broad sense
Understand, for example, it may be being fixedly connected, may be a detachable connection, or be integrated；It can be mechanical connection, can also be
Electrical connection, can be directly connected to, and can also be can be connection inside two elements indirectly connected through an intermediary, or
The interaction relationship of two elements of person, for the ordinary skill in the art, can understand as the case may be on
Term is stated in concrete meaning of the invention.
As background technology is introduced, various deficiencies exist in the prior art, in order to solve technical problem as above, this
Application proposes a kind of precise polished System and method for of the fatigue testing specimen being installed on cylindrical grinder, the precise polished process of the system
It is made of the transport system of the rotation of polishing tympanites, the head frame rotation of cylindrical grinder and polishing slurries, this system constituted mode
Determine the advantage of fatigue testing specimen polishing slurries polishing：
(1) this system can be installed on the basis of existing cylindrical grinder, to realize fatigue testing specimen on a grinding machine
Grinding and polishing function, formation process are concentrated, and are reduced workpiece and are installed number, improve efficiency；
(2) enraged shape has flexibility, can ensure the steady of polish pressure according to the curvature auto Deformation for being polished region
It is fixed；
(3) rotating speed of buff spindle is adjustable, and turn of workpiece in polishing process is adjusted using the feed system of cylindrical grinder
Speed and length feed speed can be changed tympanites in polishing process using the adjustable springs of the system and thrown to the radial direction of fatigue testing specimen
The formula of light pressure, polishing slurries can also adjust as needed；
It (4) can be by changing the abrasive grain in the viscosity of polishing slurries, slurry and mass percent, the rotating speed of workpiece
It is with quality of finish with polishing processes parameter, developments such as length feed speed, the rotating speed of buff spindle, workpiece radial direction polish pressures
Constraints obtains optimal polishing process parameter as the Optimal Experimental of target using polishing efficiency；
(5) higher than manual sand paper polishing precision, stability and reliability, it is greatly improved the efficiency of polishing, mitigates worker
Labor intensity.
(6) polishing system installation and convenient disassembly, grinding machine basic structure does not impact to foreign round.
Above system concrete structure, including rack 8, adjustable elastic device (such as adjustable spring 10 in figure), connecting rod I
12, connecting rod II 14, connecting rod III 16, clamping device, rack 8 are fixed on clamping device, and adjustable elastic device is tensed in rack 8
Between connecting rod I 12, polishing slurries jet circulating system and buff spindle are mounted on connecting rod III 16, final to realize entire polishing system
The cantilever mechanism of system；
Rack 8 is tightened in fastening bolt 7 on clamping device, and clamping device is clamped in grinding wheel by fishbolt 5 and protects
The top of cover 4 realizes that cantilever mechanism is clamped on cylindrical grinder；
Polishing slurries recover is connected on connecting rod III 16, and polishing slurries will not pollute the lathe bed of cylindrical grinder when polishing,
And the bottom of recover connects output pipe, can at any time recycle the slurry for inputting recover；
Polishing slurries in the present invention are mainly silicon carbide slurry or corundum slurry；
Clamping plate 6 as shown in the figure may be used in clamping device；
Cantilever mechanism can determine connecting rod I, connecting rod II and connecting rod according to the specific contact position of tympanites and fatigue testing specimen
III exact angle arrangement；
Adjustable elastic device tail end is fixed on by fastening bolt on clamping plate, and adjustable elastic device front end passes through bolt II
It is fixed on connecting rod I, adjustable elastic device itself can adjust elastic force, the adjusting of cantilever mechanism pressing force be realized with this, in turn
Adjust the radial polish pressure of polishing tympanites and fatigue testing specimen；
Above-mentioned adjustable elastic device can preferably select attached adjustable spring described in figure 10, adjustable spring front end 10-a
It is bolted on connecting rod I, adjustable spring front end 10-b is fixed on holder 8 or clamping device 6.
Further preferred embodiment, adjustable spring 10 are arranged two, are symmetricly set on the both sides of connecting rod I.
Further, the connecting rod I 12 is connected by bolt I 9 with rack 8, and connecting rod I 12 passes through bolt III 16 and connecting rod
II 14 are connected, and connecting rod I 12 is connected by bolt IV 15 with connecting rod III 16；Connecting rod II 14 is connected by bolt V 17 with connecting rod III,
When cantilever mechanism is adjusted to suitable position, bolt V 17 can be tightened, connecting rod I 12, connecting rod II 14 and connecting rod III 16 constitute one
Triangle forms being bonded for cantilever mechanism suitable position using the stability of triangle with this.
Further preferred embodiment, connecting rod II 14 include two, and two in connecting rod I and connecting rod III are symmetrically arranged
Side；And bolt V17 position adjustments grooves there are one being set on connecting rod II, pass through positions of the adjusting bolt V17 in regulating tank, Ke Yishi
The fixation of existing connecting rod connecting rod I and III different angle of connecting rod.
In polishing slurries jet circulating system, polishing slurries nozzle 25 is connected to buff spindle by nozzle fixed frame and fixes
On frame 18, polishing slurries are transported to polishing slurries nozzle 25 by mashing pump 29 by output pipe, and are ejected into tympanites and fatigue
Between sample, the polishing of polishing slurries is realized；The bottom of slurry recover 20 connects output pipe 28, can at any time recycle input
The slurry of device, which is transported in mashing pump, to be recycled.
24 lower end of buff spindle connection tympanites 27, tympanites 27 is tangent with workpiece；Buff spindle 24 is fastened by buff spindle
Bolt 22 is connected on buff spindle fixed frame 18, and the buff spindle fixed frame 18 connects bolt by buff spindle fixed frame
23 are connected on connecting rod III 16；Buff spindle fixed frame 18 can have a certain range of shift in position along connecting rod III 16；Described one
Kind is installed on the precise polished System and method for of the fatigue testing specimen of cylindrical grinder, and the polishing that the device carries out fatigue testing specimen is used to have
Body procedure of processing is as follows：
Step 1：Clamping plate 6 is clamped on protective hood of grinding wheel 4, rack 8 and 10 tail end of adjustable spring are mounted on and clamped
On plate 6, and install cantilever mechanism；
Step 2：The front end of adjustable spring, buff spindle and polishing slurries recover are mounted on cantilever mechanism, according to
Polishing tympanites and the specific contact position of fatigue testing specimen come cantilever mounted mechanism；
Step 3：After installation is complete, fatigue testing specimen 3 after grinding is started to polish, it, will after polished end reaches requirement
All machines are closed, and at this time can unclamp the bolt V of cantilever mechanism, and the front end of adjustable spring is unclamped, by entire cantilever machine
Structure is lifted up, and is put on wheel guard, does not influence the grinding of next fatigue testing specimen；
Step 4：It waits for all fatigue testing specimen grinding-polishings after processing is completed, which can be dismantled, preserved.
Above-mentioned grinding machine uses existing grinder structure, as shown in Figure 1, including tailstock 4 and head frame 21, is installed on lathe
Guide rail 2；For the fatigue testing specimen clamping between head frame 21 and tailstock 1, tailstock 1 is top to have the dimensions mobility scale, and
Tailstock can move on guide rail, meet the fatigue testing specimen clamping requirement of different length；The present invention can be in the base of existing cylindrical grinder
This system is mounted directly on plinth, the grinding and polishing function, formation process to realize fatigue testing specimen on a grinding machine are concentrated,
It reduces workpiece and number is installed, efficiency is provided；It is higher than manual sand paper polishing precision, stability and reliability, it is greatly improved polishing
Efficiency, mitigate labor intensity.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (9)
1. a kind of precise polished system for the fatigue testing specimen being installed on cylindrical grinder, which is characterized in that including a cantilever design,
Include a clamping device being clamped on grinding wheel protective cover of grinding machine, rack, connecting rod I, connecting rod II, connecting rod in the cantilever design
III and adjustable elastic device, the rack are fixed on the clamping device, and the rack is hinged with connecting rod I, the company
Bar I and connecting rod III is hinged, and connecting rod II is connected with connecting rod I, connecting rod III respectively, for fixing the folder between connecting rod I and connecting rod III
Angle；The adjustable elastic device is tensed between rack and connecting rod I, realizes the adjusting of cantilever mechanism pressing force；In the company
Fixed there are one buff spindle on bar III, the buff spindle driving tympanites rotation is also fixed in the side of the buff spindle
There is polishing slurries jet circulating system.
2. the precise polished system of the fatigue testing specimen as described in claim 1 for being installed on cylindrical grinder, which is characterized in that described
Buff spindle is connected to by buff spindle fastening bolt on buff spindle fixed frame, and the buff spindle fixed frame passes through connection
It is bolted on connecting rod III；Buff spindle fixed frame can have a certain range of shift in position along connecting rod III.
3. the precise polished system of the fatigue testing specimen as described in claim 1 for being installed on cylindrical grinder, which is characterized in that described
Polishing slurries jet circulating system include being fixed on the polishing slurries nozzle of buff spindle side and being fixed below nozzle
Polishing slurries recover；The polishing slurries nozzle is connected with liquid-supplying system, the polishing slurries recover and recycling
System is connected, and the slurries of recycling are sent to liquid-supplying system by recovery system from newly.
4. the precise polished system of the fatigue testing specimen as claimed in claim 3 for being installed on cylindrical grinder, which is characterized in that described
Polishing slurries nozzle is connected to by nozzle fixed frame on the fixed frame of buff spindle.
5. the precise polished system of the fatigue testing specimen as claimed in claim 3 for being installed on cylindrical grinder, which is characterized in that described
Polishing slurries recover be fixed on the connecting rod III.
6. the precise polished system of the fatigue testing specimen as described in claim 1 for being installed on cylindrical grinder, which is characterized in that described
Clamping device be clamping plate, clamping plate is clamped in the top of protective hood of grinding wheel by fishbolt, realizes that cantilever mechanism clamps
On cylindrical grinder.
7. the precise polished system of the fatigue testing specimen as described in claim 1 for being installed on cylindrical grinder, which is characterized in that described
Polishing slurries are mainly silicon carbide slurry or corundum slurry.
8. the precise polished system of the fatigue testing specimen as described in claim 1 for being installed on cylindrical grinder, which is characterized in that described
Cantilever mechanism III exact angle of connecting rod I, connecting rod II and connecting rod is determined with the specific contact position of fatigue testing specimen according to tympanites
Degree arrangement.
9. the polishing method of the precise polished system using the fatigue testing specimen for being installed on cylindrical grinder described in claim 1-8,
It is characterized in that, specific procedure of processing is as follows：
Step 1：By gripping means grips on protective hood of grinding wheel, rack and adjustable spring tail end are mounted on clamping device,
And install cantilever mechanism；
Step 2：The front end of adjustable spring, buff spindle and polishing slurries recover are mounted on cantilever mechanism, according to polishing
The specific contact position of tympanites and fatigue testing specimen comes cantilever mounted mechanism；
Step 3：After installation is complete, fatigue testing specimen after grinding is started to polish, after polished end reaches requirement, will owned
Machine close, the bolt V of cantilever mechanism can be unclamped at this time, and by the front end of adjustable spring unclamp, by entire cantilever mechanism to
On lift, be put on wheel guard, do not influence the grinding of next fatigue testing specimen；
Step 4：It waits for all fatigue testing specimen grinding-polishings after processing is completed, which can be dismantled, preserved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810317527.5A CN108312021B (en) | 2018-04-10 | 2018-04-10 | Fatigue sample precision polishing system and method mounted on cylindrical grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN102825543A (en) * | 2012-09-18 | 2012-12-19 | 厦门大学 | Air bag polishing head for air bag polishing |
| CN102862119A (en) * | 2012-09-25 | 2013-01-09 | 宝钢发展有限公司 | Stretching sample outer circle polishing grinding tool capable of being clamped on horizontal lathe |
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| CN208163352U (en) * | 2018-04-10 | 2018-11-30 | 山东大学 | A kind of precise polished system of fatigue testing specimen being installed on cylindrical grinder |
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| CN108312021B (en) | 2023-05-16 |
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