CN105364648A - Blade grinding device for single-crystal diamond spiral cutter - Google Patents
Blade grinding device for single-crystal diamond spiral cutter Download PDFInfo
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- CN105364648A CN105364648A CN201510894695.7A CN201510894695A CN105364648A CN 105364648 A CN105364648 A CN 105364648A CN 201510894695 A CN201510894695 A CN 201510894695A CN 105364648 A CN105364648 A CN 105364648A
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- ccd
- led illumination
- crystal diamond
- traverse feed
- spindle
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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
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/60—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of tools not covered by the preceding subgroups
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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
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/16—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a blade grinding device for a single-crystal diamond spiral cutter. The blade grinding device comprises a marble lathe bed, a transverse feeding worktable, a spindle seat, a numerical control rotary worktable, a tool rotating clamp, a grinding disc spindle bracket, a spindle sleeve and an aerostatic spindle, wherein the transverse feeding worktable and the spindle seat are installed on the marble lathe bed; the numerical control rotary worktable is installed on the transverse feeding worktable; the tool rotating clamp is installed on the rotary worktable; the single-crystal diamond spiral cutter is clamped on the tool rotating clamp; the tool rotating clamp drives the single-crystal diamond spiral cutter to spirally move; the grinding disc spindle bracket is installed on the spindle seat and is connected with a servo crank-rocker mechanism which is arranged on the marble lathe bed in a driving manner; the spindle sleeve is installed on the grinding disc spindle bracket and is connected with a spindle sleeve up and down swing driving mechanism which is arranged on the spindle seat in the driving manner and the marble lathe bed; the aerostatic spindle is arranged in the spindle sleeve in a sleeved manner; and a grinding disc is installed on the aerostatic spindle. The blade grinding device for the single-crystal diamond spiral cutter can have a very good effect of grinding a single-crystal diamond spiral blade.
Description
Technical field
The present invention relates to diamond cutter processing technique field, particularly a kind of cutting edge grinding device of single-crystal diamond circular knife.
Background technology
The cutting edge treatment technology of current helical edges Single-crystal Diamond Cutters is all in space state both at home and abroad.Because single-crystal diamond has the physical and mechanical property of following uniqueness:
1. single-crystal diamond is the crystalline solid of single carbon atom, and lattice structure such as to belong at the axle centroid cubic crystal system (crystallographic system that a kind of atomic density is the highest), and the link key between carbon atom is SP
3hydridization covalent bond, has very strong adhesion, stability and directionality, and be the most hard object matter that occurring in nature is known, its microhardness can reach 10000HV.
2. the distance on each crystal face on diamond crystal between the difference of atomic arrangement and atomic density and crystal face is different, and cause diamond crystal anisotropy, the microstrength of each crystal face has obvious difference.
3. the cutting edge after carefully grinding can obtain the sharpness of atom level.
4., during Single-crystal Diamond Cutters cutting ferrous metals, the carbon atom generation affinity interaction of the carbon atom in diamond easily and in ferrous metal, accelerates cutting edge wearing and tearing.
So, in actual production, due to single-crystal diamond physical and mechanical property the 1st, 2 reasons, during sharpening single-crystal diamond cutting edge, be very easy to produce seam broken and jaggedness, very difficult to the processing of helical cutting edge, only have traditional straight line or single Roound edge in the market, the Single-crystal Diamond Cutters appearance having no spiral cutting edge is exactly this reason.
Summary of the invention
Technical problem to be solved by this invention is the cutting edge grinding device providing a kind of single-crystal diamond circular knife for the deficiency existing for prior art, this cutting edge grinding device utilizes the carbon atom in the carbon atom of single-crystal diamond and ferrous metal easily to produce the micro-abrasion mechanism of affinity interaction, realizes the effect of trace grinding cutting edge.
Technical problem to be solved by this invention can be achieved through the following technical solutions:
A cutting edge grinding device for single-crystal diamond circular knife, comprising:
One marble lathe bed, the bottom of described marble lathe bed is provided with setting for machine pin, and described marble lathe bed is supported on bottom surface by described setting for machine pin;
The traverse feed workbench on described marble lathe bed is arranged on by traverse feed line slideway, described traverse feed workbench drives with the traverse feed workbench servo-actuating device be configured on described marble lathe bed and is connected, and described traverse feed workbench servo-actuating device drives described traverse feed workbench to carry out reciprocal horizontal rectilinear motion along described traverse feed line slideway and realizes traverse feed;
Be arranged on the NC rotary table on described traverse feed workbench, the NC rotary table rotary motion mechanism that described NC rotary table is carried by himself drives revolution, described NC rotary table is provided with rotary table holder;
The cutter rolling clamp on described rotary table holder is arranged on by rotary jig axial feed line slideway, described single-crystal diamond circular knife is clamped on the main shaft of described cutter rolling clamp, described cutter rolling clamp passes through the first servomotor and second Serve Motor Control of interlock, main shaft wherein in the first servomotor carry its tools rolling clamp rotates, and the second servomotor drives described cutter rolling clamp to carry out reciprocating axial direct line along described rotary jig axial feed line slideway and moves;
Be fixedly mounted on the spindle drum on described marble lathe bed;
By the mill spindle carrier of spindle drum linear reciprocating motion guide rails assembling on described spindle drum, described mill spindle carrier drives with the servo crank and rocker mechanism be configured on marble lathe bed and is connected, and described servo crank and rocker mechanism drives described mill spindle carrier to carry out reciprocating axial direct line along described spindle drum linear reciprocating motion guide rail and moves;
By the collar bush of main shaft gyration guide rails assembling on described mill spindle carrier, described collar bush and the collar bush be configured on described spindle drum and marble lathe bed swing up and down driving mechanism and drive and be connected, and described collar bush swings up and down driving mechanism and drives described collar bush to swing up and down along described main shaft gyration guide rail;
Be configured in the some collar bush retaining mechanisms on described mill spindle carrier both sides, described collar bush is locked on any pendulum angle by described collar bush retaining mechanism;
Be set in the Aerostatic Spindle in described collar bush by air bearing, described the Aerostatic Spindle is provided with mill on this one end of described cutter rolling clamp; Described air bearing connects compressed air source by tracheae and magnetic valve; Described the Aerostatic Spindle is driven by the main axle servo driving mechanism be arranged on described collar bush and carries out circumgyration campaign.
In a preferred embodiment of the invention, the cutting edge grinding device of described single-crystal diamond circular knife, also comprises:
Be arranged on the worm and gear driving mechanism on described mill spindle carrier top, the worm gear output in described worm and gear driving mechanism drives with the input of described worm screw and is connected, and the input of described worm gear is configured with a worm gear control crank; The output of described worm screw connects a leading screw and nut mechanism;
The CCD be connected with the screw in described leading screw and nut mechanism and LED illumination traverse feed dragging plate mechanism, described worm and gear driving mechanism drives described CCD and LED illumination traverse feed dragging plate mechanism to carry out reciprocating linear axially-movable by described leading screw and nut mechanism, described CCD and LED illumination traverse feed dragging plate mechanism comprise CCD and LED illumination traverse feed planker support and are configured in CCD and the LED illumination traverse feed planker on described CCD and LED illumination traverse feed planker support by CCD and LED illumination traverse feed line slideway and drive described CCD and LED illumination traverse feed planker to carry out CCD and the LED illumination traverse feed planker driving mechanism of reciprocal horizontal rectilinear motion along CCD and LED illumination traverse feed line slideway, described CCD is connected with the screw in described leading screw and nut mechanism with LED illumination traverse feed planker support,
CCD on described CCD and LED illumination traverse feed planker and LED illumination axial feed slide block is arranged on by CCD and LED illumination axial feed line slideway;
The CCD be connected with described CCD and LED illumination axial feed slide block drive end and LED illumination axial feed micrometer;
Be arranged on the CCD on described CCD and LED illumination axial feed slide block driven end and LED illumination mounting bracket, described CCD and LED illumination axial feed micrometer drive described CCD and LED illumination axial feed slide block to carry out axial straight reciprocating motion along described CCD and LED illumination axial feed line slideway, and described CCD and LED illumination axial feed slide block drive CCD and LED illumination mounting bracket to realize axial feed;
Described CCD and LED illumination mounting bracket are provided with CCD camera and LED illumination lamp.
In a preferred embodiment of the invention, the cutting edge grinding device of described single-crystal diamond circular knife, also comprises:
Be arranged on the human-computer dialogue operating means on described marble lathe bed, described human-computer dialogue operating means and described traverse feed workbench servo-actuating device, NC rotary table rotary motion mechanism, servo crank and rocker mechanism, magnetic valve, main axle servo driving mechanism, CCD camera and LED illumination lamp control connection;
Be arranged on ground electrical switchgear, described electrical switchgear powers to described traverse feed workbench servo-actuating device, NC rotary table rotary motion mechanism, servo crank and rocker mechanism, magnetic valve, main axle servo driving mechanism, CCD camera and LED illumination lamp and human-computer dialogue operating means.
In a preferred embodiment of the invention, also comprise and be arranged on manual lateral Feed table driving mechanism on described marble lathe bed and manual lateral Feed table position-limit mechanism, described manual lateral Feed table driving mechanism drives with described traverse feed workbench and is connected, and drives described traverse feed workbench to carry out reciprocal horizontal rectilinear motion along described traverse feed line slideway and realizes hand feed; Described manual lateral Feed table position-limit mechanism is connected with traverse feed workbench, and described manual lateral Feed table position-limit mechanism limits described traverse feed workbench manual lateral supplying position.
In a preferred embodiment of the invention, described mill spindle carrier is configured with show the collar bush relief angles scale that described collar bush swings up and down angle.
In a preferred embodiment of the invention, described collar bush is also connected with described spindle drum by telescopic supporting rod.
In a preferred embodiment of the invention, described mill is cast iron mill or steel mill.
In a preferred embodiment of the invention, the beating of grinding face of described cast iron mill is not more than 0.5 μm, and flatness is less than 2 μm.
In preferably implementing at one of the present invention, be coated with one deck grinding layer at the grinding face of described cast iron mill, the abrasive material coating that described grinding layer is modulated into by olive oil and diadust forms.
In a preferred embodiment of the invention, described diadust is W0.2 ~ W20 grade diamond micro mist.
In a preferred embodiment of the invention, the grinding face roughness of described steel mill is Ra≤0.05 μm, and the flatness of grinding face is less than 2 μm, and beating of grinding face is not more than 0.5 μm, and the hardness of grinding face is 55 ~ 66HRC.
In a preferred embodiment of the invention, the diameter of described steel mill is 60 ~ 80mm, and the width of grinding face is 2 ~ 3mm, and amount of unbalance is less than 0.01gmm.
In a preferred embodiment of the invention, the ground of described marble lathe bed surrounding offers the shockproof ditch of a circle.
In a preferred embodiment of the invention, in described marble lathe bed, be provided with counterweight room, described counterweight room be provided with counterweight room door, be placed with counterweight in described counterweight indoor.
Adopt the helical cutting edge of the cutting edge grinding device grinding single-crystal diamond of single-crystal diamond circular knife of the present invention, per secondly grind off 40 ~ 200 atomic layers, fabulous effect can be obtained, surface roughness Ra≤8 ~ the 10nm of knife face after diamond cutting edge, blade is very sharp, blunt round radius ρ≤0.2 μm of blade is detected with STM (ScanningTunnellingMicroscope) PSTM, cutting edge at least detects without jaggedness defect under 600 ~ 1000 power microscopes, adamantine metamorphic layer is more shallow, by the data that X light diffracting analysis instrument records, generally be not more than 10 ~ 20nm, cutter life is longer.
Accompanying drawing explanation
Fig. 1 is the front view of the cutting edge grinding device structure of single-crystal diamond circular knife of the present invention.
Fig. 2 is the top view of the cutting edge grinding device structure of single-crystal diamond circular knife of the present invention.
Fig. 3 is the side view of the cutting edge grinding device structure of single-crystal diamond circular knife of the present invention.
Detailed description of the invention
Transverse direction alleged in detailed description of the invention is below perpendicular to paper direction, and axially for being parallel to the width of paper, above-below direction is parallel to the length direction of paper.
See the cutting edge grinding device of the single-crystal diamond circular knife shown in Fig. 1 to Fig. 3, comprise a marble lathe bed 100, the bottom of marble lathe bed 100 is provided with some setting for machine pin 110, and marble lathe bed 100 is supported on bottom surface 200 by these setting for machine pin 110.
In order to increase the weight of marble lathe bed 100, reducing vibrations, in marble lathe bed 100, being provided with counterweight room (not shown), counterweight room being provided with counterweight room door 120, being placed with counterweight (not shown) in counterweight indoor.
In order to reduce the vibrations of marble lathe bed 100, the ground 200 of marble lathe bed 100 surrounding offers the wide 60cm of a circle, and the degree of depth is not less than the shockproof ditch 210 of 100cm.
The table top of marble lathe bed 100 is provided with a traverse feed workbench 300 by traverse feed line slideway 310, traverse feed workbench 300 and the traverse feed workbench servo-actuating device (not shown) be configured on marble lathe bed 100 drive and are connected and manual lateral Feed table driving mechanism 320, and traverse feed workbench servo-actuating device driving traverse feed workbench 300 transversely feeding line slideway 310 carries out the automatic radial feed that reciprocal horizontal rectilinear motion realizes power cross feed and single-crystal diamond circular knife 600.Manual lateral Feed table driving mechanism 320 drives transversely feeding line slideway 310 to carry out the manual radial feed that reciprocal horizontal rectilinear motion realizes hand feed and single-crystal diamond circular knife 600; The workbench of traverse feed simultaneously 300 is also connected by the manual lateral Feed table position-limit mechanism 330 be configured on marble lathe bed 100, and manual lateral Feed table position-limit mechanism 330 is in order to limit the position of traverse feed workbench 300 hand feed.
The upper table surface of traverse feed workbench 300 is provided with a NC rotary table 400, the NC rotary table rotary motion mechanism (not shown) that NC rotary table 400 is carried by himself drives revolution, NC rotary table 400 is provided with rotary table holder 410.The object arranging NC rotary table 400 is mainly used in abrasive levels Roound edge, if do not need abrasive levels Roound edge, NC rotary table 400 does not turn round.
Cutter rolling clamp 500 in the cutting edge grinding device of single-crystal diamond circular knife of the present invention is arranged on rotary table holder 410 by rotary jig axial feed line slideway 510, single-crystal diamond circular knife 600 is clamped in the spindle hole of main shaft 520 of cutter rolling clamp 500, and the spindle hole of main shaft 520 is 7:24 hydraulic locking Knife handle structures.
Cutter rolling clamp 500 is controlled by interlock two servomotor (not shown)s, main shaft 520 wherein in a servomotor carry its tools rolling clamp 500 rotates and calibration, after such blade sharpening terminates, next blade of automatic indexing sharpening; Another servomotor carry its tools rolling clamp 500 carries out reciprocating axial direct line along rotary jig axial feed line slideway 510 and moves.These two motions synthesize the screw of single-crystal diamond circular knife 600, and the screw of single-crystal diamond circular knife 600 matches with the swing of mill 800.
Spindle drum 700 in the cutting edge grinding device of single-crystal diamond circular knife of the present invention is fixedly mounted on the working face of marble lathe bed 100, is positioned at the rear side of traverse feed workbench 300.The table top of spindle drum 700 is provided with a mill spindle carrier 720 by spindle drum linear reciprocating motion guide rail 710, mill spindle carrier 720 drives with the servo crank and rocker mechanism 730 be configured on marble lathe bed 100 and is connected, and servo crank and rocker mechanism 730 drives mill spindle carrier 720 to carry out reciprocating axial direct line along spindle drum linear reciprocating motion guide rail 710 and moves.Swinging of such mill 800 drives crank eccentric structure to affect pull bar by the servomotor in servo crank and rocker mechanism 730, pull bar band movable grinding disc spindle carrier 720 is along spindle drum linear reciprocating motion guide rail 710 linear reciprocating motion, the amplitude of oscillation (namely reciprocal distance) is controlled by the offset of crank, and generally reciprocal ultimate range is not more than 10mm; The difference that the speed swung requires according to corase grind, fine grinding and fine abrasive, by Serve Motor Control.
Mill spindle carrier 720 is provided with a collar bush 750 by main shaft gyration guide rail 740, collar bush 750 and the collar bush be configured on spindle drum 700 and marble lathe bed 100 swing up and down driving mechanism 760 and drive and be connected, and collar bush swings up and down driving mechanism 760 drive shaft cover 750 and swings up and down along main shaft gyration guide rail 740; For the ease of observe collar bush 750 swing up and down angle, mill spindle carrier 720 is configured with show the collar bush relief angles scale 770 that collar bush 750 swings up and down angle.Arbitraryly swing up and down on angle position to collar bush 750 is locked in, mill spindle carrier 720 both sides are provided with some collar bush retaining mechanisms 780, and collar bush 750 is locked on any pendulum angle by collar bush retaining mechanism 780; Unclamp collar bush retaining mechanism 780, collar bush swings up and down driving mechanism 760 and just can again swing up and down along main shaft gyration guide rail 740 by drive shaft cover 750.
In collar bush 750, by air bearing (not shown), one the Aerostatic Spindle 790 is installed, on this one end of cutter rolling clamp 500, be provided with mill 800 at the Aerostatic Spindle 790, air bearing connects compressed air source by tracheae 791 and magnetic valve; The Aerostatic Spindle 790 is driven by the main axle servo driving mechanism (not shown) be arranged on collar bush 750 and carries out circumgyration campaign, such the Aerostatic Spindle 790 can float automatically when High Rotation Speed, make the end face run-out of mill 800 be not more than 0.2 μm, axial runout is not more than 0.5 μm.In order to supports main shaft cover 750 comparatively, collar bush 750 is also connected with spindle drum 700 by telescopic supporting rod 751.
When roughly grinding and refine, mill 800 adopts cast iron mill, and the beating of grinding face of cast iron mill is not more than 0.5 μm, and flatness is less than 2 μm.Be coated with one deck grinding layer at the grinding face of cast iron mill in addition, the abrasive material coating that grinding layer is modulated into by olive oil and W10 ~ W20 grade diamond micro mist forms.The abrasive material coating that grinding layer during fine grinding is modulated into by olive oil and thinner diadust forms.
Because steel is higher than the structure density of cast iron, more steady during trace grinding, so during fine abrasive helical cutting edge, mill 800 adopts high speed steel mill, and be main abrasive pastes polarity trace grinding by a small amount of ultra-fine grain diadust, each amount of feeding is minimum, the heat produced by high speed steel mill High Rotation Speed and single-crystal diamond contact friction during grinding impels the carbon atom in diamond crystal to break away from the constraint of self lattice, be diffused in the iron crystal of high speed steel plate and be combined with carbon atom, then by the smooth grinding of the diamond ultra-fine grain micro mist on high speed steel mill, remove part lattice incomplete in diamond single crystal body, thus realize the ultramicron grinding of single-crystal diamond helical cutting edge, and make helical cutting edge reach the sharpness of atom level.
High carbon high-speed steel selected by high speed steel mill, carbide segregation after forging is not more than 3 ~ 4 grades, then Precision Machining will be carried out, after car, mill, polishing, the grinding face roughness of high speed steel mill is Ra≤0.05 μm, and the flatness of grinding face is less than 2 μm, and beating of grinding face is not more than 0.5 μm, high speed steel indian abution root is according to the needs of grinding cutting edge, and the hardness of grinding face is generally selected between 55 ~ 66HRC.The diameter of high speed steel mill is 60 ~ 80mm, and the width of grinding face is 2 ~ 3mm, and high speed steel mill has to pass through dynamic balancing, and amount of unbalance is less than 0.01gmm.
The top of mill spindle carrier 720 is provided with a worm and gear driving mechanism 900, and the output of the worm gear in worm and gear driving mechanism 900 drives with the input of worm screw and is connected, and the input of worm gear is configured with a worm gear control crank 910; The output of worm screw connects a leading screw and nut mechanism (not shown); The CCD that screw in leading screw and nut mechanism connects and LED illumination traverse feed dragging plate mechanism 920, worm and gear driving mechanism 920 carries out reciprocating linear axially-movable by leading screw and nut mechanism driven CCD and LED illumination traverse feed dragging plate mechanism 920.
CCD and LED illumination traverse feed dragging plate mechanism 920 comprise CCD and LED illumination traverse feed planker support 921 and are configured in CCD on CCD and LED illumination traverse feed planker support 921 and LED illumination traverse feed planker 923 and driven CCD and LED illumination traverse feed planker 923 by CCD and LED illumination traverse feed line slideway 922 and carry out CCD and the LED illumination traverse feed planker driving mechanism (not shown) of reciprocal horizontal rectilinear motion along CCD and LED illumination traverse feed line slideway 922, and CCD is connected with the screw in described leading screw and nut mechanism with LED illumination traverse feed planker support 921.
Described CCD and LED illumination traverse feed planker 923 are provided with a CCD and LED illumination axial feed slide block 932 by CCD and LED illumination axial feed line slideway 931; A CCD and LED illumination axial feed micrometer 930 is connected with at CCD and LED illumination axial feed slide block 923 drive end, the driven end of CCD and LED illumination axial feed slide block 923 is provided with a CCD and LED illumination mounting bracket 940, CCD and LED illumination axial feed micrometer 930 driven CCD and LED illumination axial feed slide block 923 carry out axial straight reciprocating motion along CCD and LED illumination axial feed line slideway 931, and CCD and LED illumination axial feed slide block 923 drive CCD and LED illumination mounting bracket 940 to realize axial feed.CCD and LED illumination mounting bracket 940 are provided with CCD camera 941 and LED illumination lamp 942.
In order to realize handled easily, marble lathe bed 100 is provided with a human-computer dialogue operating means 1000, human-computer dialogue operating means 1000 and traverse feed workbench servo-actuating device, NC rotary table rotary motion mechanism, servo crank and rocker mechanism, magnetic valve, main axle servo driving mechanism, CCD camera 941 and LED illumination lamp 942 control connection; On ground 200, be provided with an electrical switchgear 1100 in addition, electrical switchgear 1100 powers to traverse feed workbench servo-actuating device, NC rotary table rotary motion mechanism, servo crank and rocker mechanism, magnetic valve, main axle servo driving mechanism, CCD camera 941 and LED illumination lamp 942 and human-computer dialogue operating means 1000.
The Principle of Grinding and Cutting of the cutting edge grinding device of single-crystal diamond circular knife of the present invention is as follows:
Before grinding, unclamp collar bush retaining mechanism 780, the front end being swung up and down driving mechanism 760 drive shaft cover 750 by collar bush upwards swings an angle, and mill 800 is upwarped an angle by main shaft 790 by collar bush 750, i.e. the relief angle of cutter.Then by collar bush retaining mechanism 780, collar bush 750 is locked again.
By in the spindle hole of the main shaft 520 of single-crystal diamond circular knife 600 clamping in cutter rolling clamp 500.
After start, mill 800 is under main axle servo driving mechanism and the Aerostatic Spindle 790 drive while High Rotation Speed, servo crank and rocker mechanism 730 and mill spindle carrier 720 is relied on to be with the straight reciprocating motion of action left and right, and single-crystal diamond circular knife 600 is for the helical movement under two interlock Serve Motor Control of cutter rolling clamp 500, the screw of single-crystal diamond circular knife 600 and the rotation of mill 800 and linear reciprocating motion, add that traverse feed workbench 300 drives single-crystal diamond circular knife 600 radial feed to move and carries out grinding to the cutting edge of single-crystal diamond circular knife 600.Total allowance and each amount of grinding of grinding can set on the human-computer dialogue screen of human-computer dialogue operating means 1000.
Grinding depth when single-crystal diamond circular knife 600 is roughly ground generally is not more than 1 ~ 2 μm, and mill 800 rotating speed general control is at about 6000 ~ 8000r/min; Be not more than 0.5 ~ 1 μm during fine grinding, mill 800 rotating speed general control is at about 3000 ~ 4000r/min; 0.2 μm is not more than during fine abrasive, mill 800 rotating speed general control is at about 1500 ~ 2500r/min, carbon atom during ultraprecision grinding single-crystal diamond helical edges can be fully diffused in high speed steel plate lattice, and combine with its carbon atom, under the effect of diadust abrasive pastes, part of atoms lattice in single-crystal diamond crystals constantly disappears, and reaches the object of fine ground cutting edge.The speed of the screwfeed of single-crystal diamond circular knife 600 is then divided slightly in addition, essence, fine abrasive are different.
Claims (14)
1. a cutting edge grinding device for single-crystal diamond circular knife, is characterized in that, comprising:
One marble lathe bed, the bottom of described marble lathe bed is provided with setting for machine pin, and described marble lathe bed is supported on bottom surface by described setting for machine pin;
The traverse feed workbench on described marble lathe bed is arranged on by traverse feed line slideway, described traverse feed workbench drives with the traverse feed workbench servo-actuating device be configured on described marble lathe bed and is connected, and described traverse feed workbench servo-actuating device drives described traverse feed workbench to carry out reciprocal horizontal rectilinear motion along described traverse feed line slideway and realizes traverse feed;
Be arranged on the NC rotary table on described traverse feed workbench, the NC rotary table rotary motion mechanism that described NC rotary table is carried by himself drives revolution, described NC rotary table is provided with rotary table holder;
Be arranged on the cutter rolling clamp on described rotary table holder by rotary jig axial feed line slideway, described single-crystal diamond circular knife is clamped on the main shaft of described cutter rolling clamp, described cutter rolling clamp passes through the first servomotor and second Serve Motor Control of interlock, main shaft wherein in the first servomotor carry its tools rolling clamp rotates, and the second servomotor drives described cutter rolling clamp to carry out reciprocating axial direct line along described rotary jig axial feed line slideway and moves;
Be fixedly mounted on the spindle drum on described marble lathe bed;
By the mill spindle carrier of spindle drum linear reciprocating motion guide rails assembling on described spindle drum, described mill spindle carrier drives with the servo crank and rocker mechanism be configured on marble lathe bed and is connected, and described servo crank and rocker mechanism drives described mill spindle carrier to carry out reciprocating axial direct line along described spindle drum linear reciprocating motion guide rail and moves;
By the collar bush of main shaft gyration guide rails assembling on described mill spindle carrier, described collar bush and the collar bush be configured on described spindle drum and marble lathe bed swing up and down driving mechanism and drive and be connected, and described collar bush swings up and down driving mechanism and drives described collar bush to swing up and down along described main shaft gyration guide rail;
Be configured in the some collar bush retaining mechanisms on described mill spindle carrier both sides, described collar bush is locked on any pendulum angle by described collar bush retaining mechanism;
Be set in the Aerostatic Spindle in described collar bush by air bearing, described the Aerostatic Spindle is provided with mill on this one end of described cutter rolling clamp; Described air bearing connects compressed air source by tracheae and magnetic valve; Described the Aerostatic Spindle is driven by the main axle servo driving mechanism be arranged on described collar bush and carries out circumgyration campaign.
2. the cutting edge grinding device of a kind of single-crystal diamond circular knife as claimed in claim 1, it is characterized in that, the cutting edge grinding device of single-crystal diamond circular knife, also comprises:
Be arranged on the worm and gear driving mechanism on described mill spindle carrier top, the worm gear output in described worm and gear driving mechanism drives with the input of described worm screw and is connected, and the input of described worm gear is configured with a worm gear control crank; The output of described worm screw connects a leading screw and nut mechanism;
The CCD be connected with the screw in described leading screw and nut mechanism and LED illumination traverse feed dragging plate mechanism, described worm and gear driving mechanism drives described CCD and LED illumination traverse feed dragging plate mechanism to carry out reciprocating linear axially-movable by described leading screw and nut mechanism, described CCD and LED illumination traverse feed dragging plate mechanism comprise CCD and LED illumination traverse feed planker support and are configured in CCD and the LED illumination traverse feed planker on described CCD and LED illumination traverse feed planker support by CCD and LED illumination traverse feed line slideway and drive described CCD and LED illumination traverse feed planker to carry out CCD and the LED illumination traverse feed planker driving mechanism of reciprocal horizontal rectilinear motion along CCD and LED illumination traverse feed line slideway, described CCD is connected with the screw in described leading screw and nut mechanism with LED illumination traverse feed planker support,
CCD on described CCD and LED illumination traverse feed planker and LED illumination axial feed slide block is arranged on by CCD and LED illumination axial feed line slideway;
The CCD be connected with described CCD and LED illumination axial feed slide block drive end and LED illumination axial feed micrometer;
Be arranged on the CCD on described CCD and LED illumination axial feed slide block driven end and LED illumination mounting bracket, described CCD and LED illumination axial feed micrometer drive described CCD and LED illumination axial feed slide block to carry out axial straight reciprocating motion along described CCD and LED illumination axial feed line slideway, and described CCD and LED illumination axial feed slide block drive CCD and LED illumination mounting bracket to realize axial feed;
Described CCD and LED illumination mounting bracket are provided with CCD camera and LED illumination lamp.
3. the cutting edge grinding device of a kind of single-crystal diamond circular knife as claimed in claim 2, it is characterized in that, the cutting edge grinding device of described single-crystal diamond circular knife, also comprises:
Be arranged on the human-computer dialogue operating means on described marble lathe bed, described human-computer dialogue operating means and described traverse feed workbench servo-actuating device, NC rotary table rotary motion mechanism, servo crank and rocker mechanism, magnetic valve, main axle servo driving mechanism, CCD camera and LED illumination lamp control connection;
Be arranged on ground electrical switchgear, described electrical switchgear powers to described traverse feed workbench servo-actuating device, NC rotary table rotary motion mechanism, servo crank and rocker mechanism, magnetic valve, main axle servo driving mechanism, CCD camera and LED illumination lamp and human-computer dialogue operating means.
4. the cutting edge grinding device of a kind of single-crystal diamond circular knife as claimed in claim 3, it is characterized in that, also comprise and be arranged on manual lateral Feed table driving mechanism on described marble lathe bed and manual lateral Feed table position-limit mechanism, described manual lateral Feed table driving mechanism drives with described traverse feed workbench and is connected, and drives described traverse feed workbench to carry out reciprocal horizontal rectilinear motion along described traverse feed line slideway and realizes hand feed; Described manual lateral Feed table position-limit mechanism is connected with traverse feed workbench, and described manual lateral Feed table position-limit mechanism limits described traverse feed workbench manual lateral supplying position.
5. the cutting edge grinding device of a kind of single-crystal diamond circular knife as claimed in claim 4, is characterized in that, described mill spindle carrier is configured with show the collar bush relief angles scale that described collar bush swings up and down angle.
6. the cutting edge grinding device of a kind of single-crystal diamond circular knife as claimed in claim 5, it is characterized in that, described collar bush is also connected with described spindle drum by telescopic supporting rod.
7. a kind of cutting edge grinding device of single-crystal diamond circular knife as described in any one of claim 1 to 6 claim, it is characterized in that, described mill is cast iron mill or steel mill.
8. the cutting edge grinding device of a kind of single-crystal diamond circular knife as claimed in claim 7, it is characterized in that, the beating of grinding face of described cast iron mill is not more than 0.5 μm, and flatness is less than 2 μm.
9. the cutting edge grinding device of a kind of single-crystal diamond circular knife as claimed in claim 8, is characterized in that, be coated with one deck grinding layer at the grinding face of described cast iron mill, and the abrasive material coating that described grinding layer is modulated into by olive oil and diadust forms.
10. the cutting edge grinding device of a kind of single-crystal diamond circular knife as claimed in claim 9, it is characterized in that, described diadust is W0.2 ~ W20 grade diamond micro mist.
The cutting edge grinding device of 11. a kind of single-crystal diamond circular knifes as claimed in claim 7, it is characterized in that, the grinding face roughness of described steel mill is Ra≤0.05 μm, and the flatness of grinding face is less than 2 μm, beating of grinding face is not more than 0.5 μm, and the hardness of grinding face is 55 ~ 66HRC.
The cutting edge grinding device of 12. a kind of single-crystal diamond circular knifes as claimed in claim 11, it is characterized in that, the diameter of described steel mill is 60 ~ 80mm, and the width of grinding face is 2 ~ 3mm, and amount of unbalance is less than 0.01gmm.
The cutting edge grinding device of 13. a kind of single-crystal diamond circular knifes as claimed in claim 1, is characterized in that, the ground of described marble lathe bed surrounding offers the shockproof ditch of a circle.
The cutting edge grinding device of 14. a kind of single-crystal diamond circular knifes as claimed in claim 1, is characterized in that, be provided with counterweight room in described marble lathe bed, described counterweight room is provided with counterweight room door, be placed with counterweight in described counterweight indoor.
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| CN107336108A (en) * | 2017-08-16 | 2017-11-10 | 安徽华旦机械制造有限公司 | A kind of crankcase stator pin grinding attachment |
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| CN113245916A (en) * | 2021-04-21 | 2021-08-13 | 桐乡市三精自动化科技有限公司 | Small grinding wheel component for processing spiral blade of root canal file |
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| CN112139870A (en) * | 2020-10-23 | 2020-12-29 | 广东省机械研究所有限公司 | Circular arc knife edge grinding and polishing device |
| CN113245916A (en) * | 2021-04-21 | 2021-08-13 | 桐乡市三精自动化科技有限公司 | Small grinding wheel component for processing spiral blade of root canal file |
| CN113579928A (en) * | 2021-08-20 | 2021-11-02 | 上海新钐机床有限公司 | Multi-degree-of-freedom grinding frame device |
| CN118162959A (en) * | 2024-05-13 | 2024-06-11 | 河南闪耀钻石有限公司 | Cutting edge grinding device of single crystal diamond spiral cutter |
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