CN106737070A - A kind of LASER HEAT aids in hard brittle material high efficient grinding experimental bench - Google Patents
A kind of LASER HEAT aids in hard brittle material high efficient grinding experimental bench Download PDFInfo
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- CN106737070A CN106737070A CN201710150348.2A CN201710150348A CN106737070A CN 106737070 A CN106737070 A CN 106737070A CN 201710150348 A CN201710150348 A CN 201710150348A CN 106737070 A CN106737070 A CN 106737070A
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- 238000000227 grinding Methods 0.000 title claims abstract description 48
- 239000000463 material Substances 0.000 title claims abstract description 37
- 239000011159 matrix material Substances 0.000 claims abstract description 24
- 229910001651 emery Inorganic materials 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 claims abstract description 10
- 238000010168 coupling process Methods 0.000 claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 claims abstract description 10
- 238000004093 laser heating Methods 0.000 claims abstract description 8
- 210000002421 cell wall Anatomy 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 3
- 238000003754 machining Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 235000002639 sodium chloride Nutrition 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B24B27/00—Other grinding 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
-
- 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
- B24B41/06—Work supports, e.g. adjustable steadies
-
- 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
-
- 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
Abstract
The invention discloses a kind of LASER HEAT auxiliary hard brittle material high efficient grinding experimental bench, including matrix, emery wheel support meanss, fixture support meanss and laser heating device；Emery wheel support meanss include motor and vertical feed arrangement, the output end of motor is connected by shaft coupling I with a trunnion axis, emery wheel is socketed with trunnion axis, the other end of trunnion axis is connected by axle bed with the vertical bar being fixed on matrix, axle bed can sliding axially along vertical bar, vertical feed arrangement is fixedly connected with matrix.LASER HEAT Auxiliary Use in grinding, is improve grinding efficiency and grinding quality by the present invention；Emery wheel is directly driven using motor coupler, wheel grinding workpiece is driven, the driving error and transmission accumulated error of transmission link is reduced, the utilization rate of power of motor is improved, it is ensured that grinding wheel speed；Employ planer-type mechanism supports trunnion axis (grinding wheel spindle), it is ensured that the flutter of the rigidity of trunnion axis, effectively reduction shaft end, and then can correspondingly improve the precision of grinding.
Description
Technical field
The present invention relates to be ground field, particularly a kind of LASER HEAT auxiliary hard brittle material high efficient grinding experimental bench.
Background technology
The hard brittle materials such as engineering ceramics, optical glass have the good mechanical property such as high rigidity, high intensity and physics
Characteristic, the application in fields such as national defence, machinery, electronics is increasingly extensive.But due to its hardness and fragility high, finished surface is easy
The defect such as crack, traditional diamond-making technique is such as polished, low production efficiency, and artifical influence factor is big, is difficult precise control, difficult
To realize the automation of production process, and polishing fluid is polluted to surface, influences the physical property of its superficial layer, and mesh
Preceding part tends to miniaturization, and the unworkability of hard brittle material limits its popularization and application.Grinding is processed as hard brittle material
One of main process technology, compared with other processing modes such as milling, with rapidoprint extensively, machined surface quality etc.
Advantage.
With respect to plastic material, hard fragility material material characteristic causes that its grinding force is big, finished surface crackle is difficult to control, and it adds
Work Analysis on Mechanism is complex.Research finds fragile material under certain condition, it may appear that the removal form of similar plastic material,
It is referred to as the ductile regime machining of fragile material.King etc. has found ductile regime machining earliest when processing rock salt in 1954,
Under hydrostatic pressure effect high, rock salt shows plastic removal mode in fretting wear.Traditional processing method is easily produced
Raw micro-crack and sub-surface damage layer, however, ductile regime machining is different with fragile material removal processing, ductile regime machining is chip
From material surface removal in the way of being plastically deformed, finished surface flawless is produced.Therefore, will for brittle material surface quality
Application scenario high is asked, ductile regime machining is increasingly taken seriously.
Critical grinding there are some researches show the condition for realizing hard brittle material grinding in the ductile mode for grinding depth less than material
Depth Dc, the critical grinding depth satisfaction of material：
Dc=0.15EKc 2/H3
In formula
H：The microhardness (MPa) of material；
E：The elastic modelling quantity (MPa) of material；
Kc：Fracture toughness (the MPam of material1/2)；
The hardness of material is reduced by laser auxiliary heating material, and then the critical grinding depth of material can be improved, can be bright
The machining accuracy of aobvious lifting material improves processing efficiency.
The content of the invention
According to technical problem set forth above, and a kind of LASER HEAT for testing is provided and aids in hard brittle material high efficient grinding
Experimental bench.The technological means that the present invention is used is as follows：
A kind of LASER HEAT aids in hard brittle material high efficient grinding experimental bench, it is characterised in that including matrix, emery wheel support dress
Put, fixture support meanss and laser heating device；
The emery wheel support meanss include motor and drive the vertically moving vertical feed arrangement of the motor, institute
The output end for stating motor is connected by shaft coupling I with a trunnion axis, is socketed with emery wheel on the trunnion axis, the trunnion axis it is another
One end is connected with fixed vertical bar on the matrix by axle bed and (avoids the shaft end flutter influence grinding of the trunnion axis
Quality), the axle bed can sliding axially along the vertical bar, the vertical feed arrangement is fixedly connected with described matrix；
The fixture support meanss include fixed cuboid workpiece and its upper end longitudinal edge is located at the emery wheel rotary flat
Fixture in face and the cross feed device being fixedly connected with described matrix, the cross feed device drive the fixture along hanging down
The straight vertical plane direction motion where the axis of the trunnion axis；
The laser heating device includes screw rodb base, vertical screw mandrel and horizontal extension that lower end is connected with the screw rodb base
Bar, the horizontal extension bar is connected by feed screw nut with the vertical screw mandrel top thread segment, is set on the horizontal extension bar
There is the laser head seat of connection laser head.
The vertical feed arrangement includes handwheel, erects ball-screw, and two perpendicular slide bars erect slide unit and perpendicular screw block, described
Perpendicular screw block includes vertical plate and the upper horizontal riser on the vertical plate and lower horizontal riser, and the perpendicular slide unit is located at institute
State between horizontal riser and the lower horizontal riser, one end of the perpendicular slide bar is fixedly connected with the upper horizontal riser, separately
One end is fixedly connected through the perpendicular slide unit with the lower horizontal riser, and the perpendicular slide unit is connected with the perpendicular sliding bar, institute
One end of perpendicular ball-screw is stated be connected with the lower horizontal riser through the upper horizontal riser, the perpendicular slide unit, the other end and
The handwheel connection, the perpendicular slide unit is threadedly coupled with the perpendicular ball-screw, and the lower horizontal riser is fixed with described matrix
Connection.
The vertical bar is connected by vertical pole socket with described matrix, and the axle bed is provided with for by the axle bed and institute
State the clamping screw of vertical bar fixation.
The fixture includes the fixture base plate being connected with the cross feed device, and the fixture base plate is provided with left fixture block
With right fixture block, the left fixture block and the right fixture block are respectively provided with 45 ° of inclined-planes, and the inclined-plane of the left fixture block and the right fixture block is relative
Set, the fixture base plate between the left fixture block and the right fixture block is provided with triangular groove, the triangle
In the left side cell wall of groove and the inclined-plane of the left fixture block are generally aligned in the same plane, the right side cell wall of the triangular groove with it is described
In the inclined-plane of right fixture block is generally aligned in the same plane, the left fixture block or the right fixture block are provided with and for cuboid workpiece to be pressed in described three
Voussoir on angular groove, the lower end of the voussoir has 45 ° of inclined-planes.
The cross feed device include servomotor, shaft coupling II, roll ballscrew, two sideslip bars, cross slide and
Horizontal screw block, the horizontal screw block includes plate and preceding erect plate and rear erect plate on the plate anyhow, the horizontal stroke anyhow
Slide unit is located between the preceding erect plate and the rear erect plate, and one end of the sideslip bar is fixed with the preceding erect plate and connected
Connect, the other end is fixedly connected through the cross slide with the rear erect plate, and the cross slide is slidably connected with the sideslip bar,
One end of the roll ballscrew is connected through the preceding erect plate, the cross slide with the rear erect plate, and the other end passes through
The shaft coupling II is connected with the output end of the servomotor, and the cross slide is threadedly coupled with the roll ballscrew, institute
State plate anyhow to be fixedly connected with described matrix, the upper end of the cross slide is fixedly connected with the fixture base plate.
The screw rodb base includes the screw rodb base upper plate and screw rodb base lower plate and ladder slideway that are fixedly connected；
The ladder slideway include positioned at the screw rodb base upper plate lower surface ladder chute I and with the ladder chute
I matches and positioned at the ladder chute II of the upper surface of the screw rodb base lower plate；
The screw rodb base upper plate is provided with ladder hole, the ladder hole include the macropore being from top to bottom sequentially communicated and
Aperture, the extending radially outwardly along the aperture of ladder chute I, the small end of the ladder chute I is connected with the aperture；
The upper surface of the screw rodb base lower plate is provided with the circular groove matched with the aperture, the edge of ladder chute II
The circular groove extends radially outwardly, and the small end of the ladder chute II connects with the circular groove；
Be provided with screw rod limiting push rod in the ladder slideway, the screw rod limiting push rod positioned at the big of the ladder slideway
Bar segment in section is provided with limiting section, and the big end of the ladder slideway is provided with and the screw rodb base upper plate and the screw rodb base lower plate
The small front apron of connection, is provided with the push rod bullet being socketed on the screw rod limiting push rod between the small front apron and the limiting section
Spring, the bar segment in the big section of the ladder slideway of the screw rod limiting push rod connects through the small front apron and a spanner
Connect, the other end of the screw rod limiting push rod has the tooth bar extended in the aperture and the circular groove enclosed space；
The lower end of the vertical screw mandrel is sequentially provided with multi-diameter shaft and gear, the shaft shoulder of the multi-diameter shaft by thrust bearing with
The macropore connection, the gear is located in the aperture and the circular groove enclosed space and is engaged with the tooth bar；
The horizontal extension bar includes the sleeve being connected with the feed screw nut, and being provided with the sleeve can relatively described set
The slide bar that cylinder is slided, the laser head seat is connected with the slide bar by otic placode and can be rotated around the slide bar axis.
By the cuboid workpiece incline, its lower end longitudinal edge be placed on the triangular groove by the voussoir by its
Fixation, is adjusted to the emery wheel lower section upper end longitudinal edge of the cuboid workpiece by the cross feed device,
The roll ballscrew passes through clamping screw fixed position；
The height of the emery wheel is adjusted, is at meeting the position of grinding depth, the perpendicular ball-screw and the axle
Seat passes through clamping screw fixed position respectively；
The adjustment of the laser head upper-lower position：Firstly the need of screw rod limiting push rod described in pull-up, make the tooth bar and institute
Gear separation is stated, the vertical screw mandrel is rotated and is adjusted the feed screw nut position, when the laser head reaches predetermined altitude, allowed
The screw rod limiting push rod resets, and the tooth bar is engaged with the gear, limits the rotation of the vertical screw mandrel；
The incidence point of laser head and the upper end longitudinal edge of the cuboid workpiece are adjusted same by the horizontal extension bar
In one perpendicular, adjustment laser head is rotated relative to the slide bar axis by the laser head seat afterwards and is caused at laser beam
In suitable position.
The present invention has advantages below：
1st, by LASER HEAT Auxiliary Use in grinding：Grinding quality is difficult to ensure during existing grinding hard brittle material, grinding efficiency
Low, the present invention is by LASER HEAT Auxiliary Use in grinding improving grinding efficiency and grinding quality；
2nd, for verifying laser assisted grinding experiment：The crest line long for obtaining being ground cuboid workpiece is easy to heating, is heated
It is even, the conclusion of grinding quality can be improved, the present invention only needs the crest line of heated partses so that the processed portions under heat of workpiece fills
Point, it is uniform, it is easy to ensure the precision of experiment；
3rd, the present invention directly drives emery wheel using motor coupler, drives wheel grinding workpiece, reduces transmission link
Driving error and transmission accumulated error, improve the utilization rate of power of motor, it is often more important that be easy to ensure grinding wheel speed, it is ensured that sand
The rotating speed of wheel also allows for the precision of control grinding；
4th, planer-type mechanism supports trunnion axis (grinding wheel spindle) are employed, it is ensured that the rigidity of trunnion axis, effectively reduce axle
The flutter at end, and then can correspondingly improve the precision of grinding；
5th, because grinding workpiece is cuboid, therefore, devising specific fixture, 45 ° of left fixture block and right fixture block are tiltedly
Face and 45 ° of inclined-planes of voussoir lower end, constitute two 90 ° of right angles so that grinding workpiece has enough stability, Ke Yishi
The LASER HEAT assistant grinding of existing workpiece to be machined crest line long.
The present invention can be widely popularized in fields such as grindings for the foregoing reasons.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is a kind of structure of LASER HEAT auxiliary hard brittle material high efficient grinding experimental bench in specific embodiment of the invention
Schematic diagram.
Fig. 2 is the space structure schematic diagram of fixture in specific embodiment of the invention.
Fig. 3 is fixture front view in specific embodiment of the invention.
Fig. 4 is the space structure schematic diagram of laser heating device in specific embodiment of the invention.
Fig. 5 is screw rodb base sectional view in the specific embodiment of the invention.
Fig. 6 is the structural representation of vertical screw mandrel in the specific embodiment of the invention.
Specific embodiment
As shown in figs 1 to 6, a kind of LASER HEAT auxiliary hard brittle material high efficient grinding experimental bench, including matrix 1, emery wheel support
Device, fixture support meanss and laser heating device；
The emery wheel support meanss include motor 2 and the vertically moving vertical feed arrangement of the driving motor 2,
The output end of the motor 2 is connected by shaft coupling I 3 with a trunnion axis 4, and emery wheel 5, the water are socketed with the trunnion axis 4
The other end of flat axle 4 is connected by axle bed 6 with the vertical bar 7 being fixed in described matrix 1, and the axle bed 6 can be along described vertical
Bar 7 slides axially, and the vertical feed arrangement is fixedly connected with described matrix 1；
The fixture support meanss include fixed cuboid workpiece 25 and its upper end longitudinal edge is rotated positioned at the emery wheel 5
Fixture in plane and the cross feed device being fixedly connected with described matrix 1, the cross feed device drive the fixture
Moved along perpendicular to vertical plane direction where the axis of the trunnion axis 4；
The laser heating device includes screw rodb base 8, and the vertical screw mandrel 9 and level that lower end is connected with the screw rodb base 8 are stretched
Contracting bar 10, the horizontal extension bar 10 is connected by feed screw nut 11 with the top thread segment of the vertical screw mandrel 9, and the level is stretched
Contracting bar 10 is provided with the laser head seat 13 of connection laser head 12.
The vertical feed arrangement includes handwheel 14, erects ball-screw 15, and two perpendicular slide bars 16 erect slide unit 17 and vertical hair thick stick
Seat, the perpendicular screw block includes vertical plate 18 and the upper horizontal riser 19 on the vertical plate 18 and lower horizontal riser 20,
The perpendicular slide unit 17 is located between the upper horizontal riser 19 and the lower horizontal riser 20, one end of the perpendicular slide bar 16 and institute
State horizontal riser 19 to be fixedly connected, the other end is fixedly connected through the perpendicular slide unit 17 with the lower horizontal riser 20, described
Perpendicular slide unit 17 is slidably connected with the perpendicular slide bar 16, and one end of the perpendicular ball-screw 15 passes through the upper horizontal riser 19, institute
State perpendicular slide unit 17 to be connected with the lower horizontal riser 20, the other end is connected with the handwheel 14, the perpendicular slide unit 17 is perpendicular with described
Ball-screw 15 is threadedly coupled, and the lower horizontal riser 20 is fixedly connected with described matrix 1.
The vertical bar 7 is connected by vertical pole socket 53 with described matrix 1, and the axle bed 6 is provided with for by the axle
The clamping screw that seat 6 is fixed with the vertical bar 7.
The fixture includes the fixture base plate 21 being connected with the cross feed device, and the fixture base plate 21 is provided with a left side
Fixture block 22 and right fixture block 23, the left fixture block 22 and the right fixture block 23 are respectively provided with 45 ° of inclined-planes, the left fixture block 22 and the right side
The inclined-plane of fixture block 23 is oppositely arranged, and the fixture base plate 21 between the left fixture block 22 and the right fixture block 23 is provided with
Triangular groove 24, the left side cell wall of the triangular groove 24 is generally aligned in the same plane interior, institute with the inclined-plane of the left fixture block 22
In the right side cell wall and the inclined-plane of the right fixture block 23 for stating triangular groove 24 are generally aligned in the same plane, the right fixture block 23 is provided with
Cuboid workpiece 25 is pressed in the voussoir 26 on the triangular groove 24, the lower end of the voussoir 26 has 45 ° of inclined-planes.
The cuboid workpiece 25 is inclined, its lower end longitudinal edge is placed on the triangular groove 24, the cuboid
The bottom surface of workpiece 25 is fitted with the inclined-plane of the left fixture block 22 and the left side cell wall of the triangular groove 24, the cuboid work
The lower end side of part 25 is fitted with the inclined-plane of the right fixture block 23 and the right side cell wall of the triangular groove 24, the voussoir 26
Lower end inclined-plane fitted with the top surface of the cuboid workpiece 25, by the cuboid workpiece 25 fixation.
The cross feed device include servomotor 27, shaft coupling II 28, roll ballscrew 29, two sideslip bars 30,
Cross slide 31 and horizontal screw block, the horizontal screw block include plate 32 and the He of preceding erect plate 33 on the plate anyhow 32 anyhow
Erect plate 34 afterwards, the cross slide 31 is located between the preceding erect plate 33 and the rear erect plate 34, the sideslip bar 30
One end is fixedly connected with the preceding erect plate 33, and the other end is fixedly connected through the cross slide 31 with the rear erect plate 34,
The cross slide 31 is slidably connected with the sideslip bar 30, one end of the roll ballscrew 29 through the preceding erect plate 33,
The cross slide 31 is connected with the rear erect plate 34, and the other end is defeated with the servomotor 27 by the shaft coupling II 28
Go out end connection, the cross slide 31 is threadedly coupled with the roll ballscrew 29, the plate anyhow 32 is fixed with described matrix 1 and connected
Connect, the upper end of the cross slide 31 is fixedly connected with the fixture base plate 21.
The screw rodb base 8 includes the screw rodb base upper plate 35 and screw rodb base lower plate 36 and ladder slideway that are fixedly connected；
The ladder slideway includes the ladder chute I of the lower surface positioned at the screw rodb base upper plate 35 and is slided with the ladder
Groove I matches and positioned at the ladder chute II 37 of the upper surface of the screw rodb base lower plate 36；
The screw rodb base upper plate 35 is provided with ladder hole 38, and the ladder hole 38 includes what is be from top to bottom sequentially communicated
Macropore and aperture, the extending radially outwardly along the aperture of ladder chute I, the small end of the ladder chute I are small with described
Hole connects；
The upper surface of the screw rodb base lower plate 36 is provided with the circular groove 39 matched with the aperture, the ladder chute
II 37 extending radially outwardly along the circular groove 39, small end and the circular groove 39 of the ladder chute II 37 connect
It is logical；
Be provided with screw rod limiting push rod 40 in the ladder slideway, the screw rod limiting push rod 40 positioned at the ladder slideway
Big section in bar segment be provided with limiting section 41, the big end of the ladder slideway is provided with and the screw rodb base upper plate 35 and the silk
The small front apron 42 of the connection of pole socket lower plate 36, is provided between the small front apron 42 and the limiting section 41 and is socketed in the screw rod limiting
Push rod spring 43 on push rod 40, the bar segment in the big section of the ladder slideway of the screw rod limiting push rod 40 passes through institute
State small front apron 42 to be connected with a spanner 44, the other end of the screw rod limiting push rod 40 has and extends to the aperture and the circle
Tooth bar 45 in the enclosed space of connected in star 39；
The lower end of the vertical screw mandrel 9 is sequentially provided with multi-diameter shaft 46 and gear 47, and the shaft shoulder 48 of the multi-diameter shaft 46 passes through
Thrust bearing 49 is connected with the macropore, the gear 47 be located in the aperture and the enclosed space of the circular groove 39 and with
The tooth bar 45 is engaged；
The horizontal extension bar 10 includes the sleeve 50 being connected with the feed screw nut 11, and being provided with the sleeve 50 can phase
The slide bar 51 slided to the sleeve 50, the laser head seat 13 is connected with the slide bar 51 by otic placode 52 and can be around the cunning
The axis of bar 51 rotates.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.
Claims (6)
1. a kind of LASER HEAT auxiliary hard brittle material high efficient grinding experimental bench, it is characterised in that including matrix, emery wheel support meanss,
Fixture support meanss and laser heating device；
The emery wheel support meanss include motor and drive the vertically moving vertical feed arrangement of the motor, the electricity
The output end of machine is connected by shaft coupling I with a trunnion axis, and emery wheel, the other end of the trunnion axis are socketed with the trunnion axis
Be connected with fixed vertical bar on the matrix by axle bed, the axle bed can sliding axially along the vertical bar, it is described
Vertical feed arrangement is fixedly connected with described matrix；
The fixture support meanss include fixed cuboid workpiece and its upper end longitudinal edge is located in the emery wheel Plane of rotation
Fixture and the cross feed device that is fixedly connected with described matrix, the cross feed device drive the fixture along perpendicular to
Vertical plane direction motion where the axis of the trunnion axis；
The laser heating device includes screw rodb base, vertical screw mandrel and horizontal extension bar that lower end is connected with the screw rodb base, institute
State horizontal extension bar to be connected with the vertical screw mandrel top thread segment by feed screw nut, the horizontal extension bar is provided with connection
The laser head seat of laser head.
2. a kind of LASER HEAT according to claim 1 aids in hard brittle material high efficient grinding experimental bench, it is characterised in that：It is described
Vertical feed arrangement includes handwheel, erects ball-screw, and two perpendicular slide bars erect slide unit and perpendicular screw block, and the perpendicular screw block includes
Vertical plate and the upper horizontal riser on the vertical plate and lower horizontal riser, the perpendicular slide unit are located at the upper horizontal riser
And the lower horizontal riser between, one end of the perpendicular slide bar is fixedly connected with the upper horizontal riser, and the other end is described in
Perpendicular slide unit is fixedly connected with the lower horizontal riser, and the perpendicular slide unit is connected with the perpendicular sliding bar, the perpendicular ball-screw
One end be connected with the lower horizontal riser through the upper horizontal riser, the perpendicular slide unit, the other end is connected with the handwheel,
The perpendicular slide unit is threadedly coupled with the perpendicular ball-screw, and the lower horizontal riser is fixedly connected with described matrix.
3. a kind of LASER HEAT according to claim 1 aids in hard brittle material high efficient grinding experimental bench, it is characterised in that：It is described
Vertical bar is connected by vertical pole socket with described matrix, and the axle bed is provided with for the axle bed to be fixed with the vertical bar
Clamping screw.
4. a kind of LASER HEAT according to claim 1 aids in hard brittle material high efficient grinding experimental bench, it is characterised in that：It is described
Fixture includes the fixture base plate being connected with the cross feed device, and the fixture base plate is provided with left fixture block and right fixture block, institute
State left fixture block and the right fixture block is respectively provided with 45 ° of inclined-planes, the inclined-plane of the left fixture block and the right fixture block is oppositely arranged, positioned at institute
The fixture base plate stated between left fixture block and the right fixture block is provided with triangular groove, the left side groove of the triangular groove
In wall and the inclined-plane of the left fixture block are generally aligned in the same plane, the inclined-plane of the right side cell wall of the triangular groove and the right fixture block
In being generally aligned in the same plane, the left fixture block or the right fixture block are provided with and cuboid workpiece are pressed on the triangular groove
Voussoir, the lower end of the voussoir has 45 ° of inclined-planes.
5. a kind of LASER HEAT according to claim 4 aids in hard brittle material high efficient grinding experimental bench, it is characterised in that：It is described
Cross feed device includes servomotor, shaft coupling II, roll ballscrew, two sideslip bars, cross slide and horizontal screw block, described
Horizontal screw block includes plate and preceding erect plate and rear erect plate on the plate anyhow anyhow, the cross slide be located at it is described before
Between erect plate and the rear erect plate, one end of the sideslip bar is fixedly connected with the preceding erect plate, and the other end passes through institute
State cross slide to be fixedly connected with the rear erect plate, the cross slide is slidably connected with the sideslip bar, the roll ballscrew
One end be connected with the rear erect plate through the preceding erect plate, the cross slide, the other end by the shaft coupling II and
The output end connection of the servomotor, the cross slide is threadedly coupled with the roll ballscrew, the plate anyhow with it is described
Matrix is fixedly connected, and the upper end of the cross slide is fixedly connected with the fixture base plate.
6. a kind of LASER HEAT according to claim 1 aids in hard brittle material high efficient grinding experimental bench, it is characterised in that：It is described
Screw rodb base includes the screw rodb base upper plate and screw rodb base lower plate and ladder slideway that are fixedly connected；
The ladder slideway include positioned at the screw rodb base upper plate lower surface ladder chute I and with the phase of ladder chute I
Match and positioned at the ladder chute II of the upper surface of the screw rodb base lower plate；
The screw rodb base upper plate is provided with ladder hole, and the ladder hole includes the macropore being from top to bottom sequentially communicated and small
Hole, the extending radially outwardly along the aperture of ladder chute I, the small end of the ladder chute I is connected with the aperture；
The upper surface of the screw rodb base lower plate is provided with the circular groove matched with the aperture, and the ladder chute II is along described
Circular groove extends radially outwardly, and the small end of the ladder chute II connects with the circular groove；
Be provided with screw rod limiting push rod in the ladder slideway, the screw rod limiting push rod in the big section of the ladder slideway
Bar segment be provided with limiting section, the big end of the ladder slideway is provided with and is connected with the screw rodb base upper plate and the screw rodb base lower plate
Small front apron, the push rod spring being socketed on the screw rod limiting push rod, institute are provided between the small front apron and the limiting section
The bar segment in the big section of the ladder slideway for stating screw rod limiting push rod is connected through the small front apron with a spanner, described
The other end of screw rod limiting push rod has the tooth bar extended in the aperture and the circular groove enclosed space；
The lower end of the vertical screw mandrel is sequentially provided with multi-diameter shaft and gear, the shaft shoulder of the multi-diameter shaft by thrust bearing with it is described
Macropore is connected, and the gear is located in the aperture and the circular groove enclosed space and is engaged with the tooth bar；
The horizontal extension bar includes the sleeve being connected with the feed screw nut, and being provided with the sleeve can relatively described sleeve cunning
Dynamic slide bar, the laser head seat is connected with the slide bar by otic placode and can be rotated around the slide bar axis.
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| CN201710150348.2A CN106737070B (en) | 2017-03-14 | 2017-03-14 | A kind of laser heat auxiliary hard brittle material high efficient grinding experimental bench |
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| CN201710150348.2A CN106737070B (en) | 2017-03-14 | 2017-03-14 | A kind of laser heat auxiliary hard brittle material high efficient grinding experimental bench |
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Cited By (6)
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| CN108838889A (en) * | 2018-06-25 | 2018-11-20 | 广东工贸职业技术学院 | A kind of crisp Free Surface Grinding device and method for grinding firmly |
| CN109605138A (en) * | 2019-01-24 | 2019-04-12 | 长春理工大学 | A kind of embedded laser assisted ultraprecise bar grinding attachment and its working method |
| CN110076671A (en) * | 2019-05-30 | 2019-08-02 | 深圳市优机智能技术有限公司 | A kind of DC plug coating grinding apparatus |
| CN110125798A (en) * | 2019-06-19 | 2019-08-16 | 北京石油化工学院 | A kind of automatic grinding seal machine of the more size chucks in eccentric planet track |
| CN110480388A (en) * | 2019-07-25 | 2019-11-22 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | A kind of crank axle fixture and its application method |
| CN111775000A (en) * | 2020-07-20 | 2020-10-16 | 岳文智 | Grinding device for crystal processing |
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