CN106737070B - A kind of laser heat auxiliary hard brittle material high efficient grinding experimental bench - Google Patents
A kind of laser heat auxiliary hard brittle material high efficient grinding experimental bench Download PDFInfo
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- CN106737070B CN106737070B CN201710150348.2A CN201710150348A CN106737070B CN 106737070 B CN106737070 B CN 106737070B CN 201710150348 A CN201710150348 A CN 201710150348A CN 106737070 B CN106737070 B CN 106737070B
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- 238000000227 grinding Methods 0.000 title claims abstract description 69
- 239000000463 material Substances 0.000 title claims abstract description 37
- 239000011159 matrix material Substances 0.000 claims abstract description 24
- 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
- 238000010586 diagram Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000000034 method 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
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003672 processing 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
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 238000009931 pascalization Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a kind of laser heat to assist hard brittle material high efficient grinding experimental bench, including matrix, grinding wheel support device, fixture support device and laser heating device；Grinding wheel support device includes motor and vertical feed arrangement, the output end of motor passes through the horizontal axis connection of shaft coupling I and one, grinding wheel is socketed on trunnion axis, the other end of trunnion axis is connect 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.The hot Auxiliary Use of laser in grinding, is improved grinding efficiency and grinding quality by the present invention；Grinding wheel is directly driven using motor coupler, drives wheel grinding workpiece, reduces the driving error and transmission accumulated error of transmission link, improves the utilization rate of power of motor, guarantee grinding wheel speed；Using planer-type mechanism supports trunnion axis (grinding wheel spindle), it is ensured that the rigidity of trunnion axis, the flutter for effectively reducing shaft end, and then the precision of grinding can be correspondingly improved.
Description
Technical field
The present invention relates to grinding field, especially a kind of laser heat assists hard brittle material high efficient grinding experimental bench.
Background technique
The hard brittle materials such as engineering ceramics, optical glass have good mechanical property and the physics such as high rigidity, high intensity
Characteristic, the application in fields such as national defence, machinery, electronics are increasingly extensive.But due to its high hardness and brittleness, finished surface is easy
The defects of cracking, traditional diamond-making technique such as polish, and production efficiency is low, and artifical influence factor is big, are not easy accurately to control, difficult
To realize the automation of production process, and polishing fluid pollutes surface, influences the physical property of its superficial layer, and mesh
Preceding part tends to be miniaturized, and the unworkability of hard brittle material limits its popularization and application.Grinding is processed as hard brittle material
One of main processing technology, compared with other processing methods such as milling, have rapidoprint extensively, machined surface quality etc.
Advantage.
Opposite plastic material, hard brittleness material material characteristic lead to that its grinding force is big, finished surface crackle is not easy to control, add
Work Analysis on Mechanism is complex.Research finds fragile material under certain condition, it may appear that the removal form of similar plastic material,
The referred to as ductile regime machining of fragile material.King etc. has found ductile regime machining when processing rock salt in 1954 earliest,
Under high hydrostatic pressure effect, rock salt shows plastic removal mode in fretting wear.Traditional processing method is easy to produce
Raw micro-crack and sub-surface damage layer, however, ductile regime machining and fragile material removal processing are different, ductile regime machining is chip
It is removed in a manner of plastic deformation from material surface, finished surface flawless generates.Therefore, brittle material surface quality is wanted
High application is asked, ductile regime machining is increasingly taken seriously.
Some researches show that the condition for realizing hard brittle material grinding in the ductile mode is the critical grinding that grinding depth is 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 elasticity modulus (MPa) of material；
Kc: the fracture toughness (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, it can be bright
The machining accuracy of aobvious promotion material improves processing efficiency.
Summary of the invention
According to technical problem set forth above, and provide a kind of laser heat auxiliary hard brittle material high efficient grinding for experiment
Experimental bench.The technological means that the present invention uses is as follows:
A kind of laser heat auxiliary hard brittle material high efficient grinding experimental bench, which is characterized in that including matrix, grinding wheel support dress
It sets, fixture support device and laser heating device；
The grinding wheel support device includes the motor vertical feed arrangement vertically moving with the driving motor, institute
The output end of motor is stated by the horizontal axis connection of shaft coupling I and one, is socketed with grinding wheel on the trunnion axis, the trunnion axis it is another
One end, which is connect by axle bed with fixed vertical bar on the matrix, (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 device includes fixed cuboid workpiece and the upper end longitudinal edge is made to be located at the grinding 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
Directly vertical plane direction moves where the axis of the trunnion axis；
The laser heating device includes screw rodb base, the vertical screw rod and horizontal extension that lower end is connect with the screw rodb base
Bar, the horizontal extension bar are connect with the vertical screw rod top thread segment by feed screw nut, are 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 lead screw base, described
Perpendicular lead screw base includes vertical plate and upper horizontal vertical plate and lower horizontal vertical plate on the vertical plate, and the perpendicular slide unit is located at institute
It states between horizontal vertical plate and the lower horizontal vertical plate, one end of the perpendicular slide bar is fixedly connected with the upper horizontal vertical plate, separately
One end passes through the perpendicular slide unit and is fixedly connected with the lower horizontal vertical plate, and the perpendicular slide unit is connect with the perpendicular sliding bar, institute
The one end for stating perpendicular ball-screw passes through the upper horizontal vertical plate, the perpendicular slide unit and connect with the lower horizontal vertical plate, the other end and
The handwheel connection, the perpendicular slide unit are threadedly coupled with the perpendicular ball-screw, and the lower horizontal vertical plate is fixed with described matrix
Connection.
The vertical bar is connect by vertical pole socket with described matrix, and the axle bed is equipped with for by the axle bed and institute
State the fixed clamping screw of vertical bar.
The fixture includes the fixture bottom plate connecting with the cross feed device, and the fixture bottom plate is equipped with left fixture block
With right fixture block, the left fixture block and the right fixture block all have 45 ° of inclined-planes, and the inclined-plane of the left fixture block and the right fixture block is opposite
Setting, the fixture bottom plate between the left fixture block and the right fixture block are equipped with triangular groove, the triangle
The left side cell wall of groove and the inclined-plane of the left fixture block are in the same plane, the right side cell wall of the triangular groove with it is described
The inclined-plane of right fixture block is in the same plane, and the left fixture block or the right fixture block are equipped with cuboid workpiece being pressed in described three
The lower end of voussoir on angular groove, the voussoir has 45 ° of inclined-planes.
The cross feed device includes servo motor, shaft coupling II, roll ballscrew, two sideslip bars, cross slide and
Horizontal lead screw base, the horizontal lead screw base include plate and preceding erect plate and rear erect plate on the plate anyhow anyhow, the cross
Slide unit is located between the preceding erect plate and the rear erect plate, one end of the sideslip bar and the fixed company of the preceding erect plate
It connecing, the other end passes through the cross slide and is fixedly connected with the rear erect plate, and the cross slide is slidably connected with the sideslip bar,
One end of the roll ballscrew passes through the preceding erect plate, the cross slide is connect with the rear erect plate, and the other end passes through
The shaft coupling II is connect with the output end of the servo motor, and the cross slide is threadedly coupled with the roll ballscrew, institute
It states plate anyhow to be fixedly connected with described matrix, the upper end of the cross slide is fixedly connected with the fixture bottom plate.
The screw rodb base includes the screw rodb base upper plate being fixedly connected and screw rodb base lower plate and ladder slideway；
The ladder slideway include positioned at the screw rodb base upper plate lower surface ladder sliding slot I and with the ladder sliding slot
I matches and is located at the ladder sliding slot II of the upper surface of the screw rodb base lower plate；
The screw rodb base upper plate is equipped with ladder hole, the ladder hole include the macropore that is from top to bottom sequentially communicated and
Aperture, the extending radially outwardly along the aperture of ladder sliding slot I, the small end of the ladder sliding slot I are connected to the aperture；
The upper surface of the screw rodb base lower plate is equipped with the circular groove to match with the aperture, II edge of ladder sliding slot
The circular groove extends radially outwardly, and the small end of the ladder sliding slot II is connected to the circular groove；
Screw rod limiting mandril is equipped in the ladder slideway, the screw rod limiting mandril is located at the big of the ladder slideway
Rod segment in section is equipped with limiting section, and the big end of the ladder slideway is equipped with and the screw rodb base upper plate and the screw rodb base lower plate
The small front apron of connection is equipped with the mandril bullet being socketed on the screw rod limiting mandril between the small front apron and the limiting section
Spring, the rod segment in the big section of the ladder slideway of the screw rod limiting mandril passes through the small front apron and a spanner connects
It connects, the other end of the screw rod limiting mandril has the rack gear extended in the aperture and the circular groove enclosed space；
The lower end of the vertical screw rod is successively arranged multi-diameter shaft and gear, the shaft shoulder of the multi-diameter shaft by thrust bearing with
The macropore connection, the gear are located in the aperture and the circular groove enclosed space and engage with the rack gear；
The horizontal extension bar includes the sleeve connecting with the feed screw nut, and being equipped in the sleeve can the relatively described set
The slide bar of cylinder sliding, the laser head seat are connect with the slide bar and can be rotated around the slide bar axis by otic placode.
By the cuboid workpiece tilt, lower end longitudinal edge be placed on the triangular groove by the voussoir by its
Fixation is adjusted the upper end longitudinal edge of the cuboid workpiece to the grinding wheel by the cross feed device,
The roll ballscrew passes through the fixed position of clamping screw；
The height for adjusting the grinding wheel is at the position for meeting grinding depth, the perpendicular ball-screw and the axis
Seat passes through the fixed position of clamping screw respectively；
The adjustment of the laser head upper and lower position: firstly the need of screw rod limiting mandril described in pull-up, make the rack gear and institute
Gear separation is stated, the vertical screw rod is rotated and adjusts the feed screw nut position, when the laser head reaches predetermined altitude, allow
The screw rod limiting mandril resets, and engages the rack gear with the gear, limits the rotation of the vertical screw rod；
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 later and is made at laser beam
In suitable position.
The invention has the following advantages that
1, by the hot Auxiliary Use of laser in grinding: grinding quality is not easy to guarantee when existing grinding hard brittle material, grinding efficiency
Low, the present invention is by the hot Auxiliary Use of laser in grinding to improve grinding efficiency and grinding quality；
2, for verifying laser assisted grinding experiment: the long crest line for obtaining grinding cuboid workpiece is easy to heat, and is heated equal
It is even, the conclusion of grinding quality can be improved, the present invention need to only heat the crest line of workpiece, so that the processed portions under heat of workpiece fills
Divide, uniformly, is easy to guarantee the precision of experiment；
3, the present invention directly drives grinding 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 convenient for guaranteeing grinding wheel speed, guarantee sand
The revolving speed of wheel is also convenient for the precision of control grinding；
4, planer-type mechanism supports trunnion axis (grinding wheel spindle) is used, it is ensured that the rigidity of trunnion axis effectively reduces axis
The flutter at end, and then the precision of grinding can be correspondingly improved；
5, since grinding workpiece is cuboid, devise specific fixture, 45 ° of left fixture block and right fixture block are tiltedly
45 ° of inclined-planes in face and voussoir lower end constitute two 90 ° of right angles, so that grinding workpiece has enough stability, Ke Yishi
The hot assistant grinding of laser of the existing long crest line of workpiece to be machined.
The present invention can be widely popularized in fields such as grindings based on the above reasons.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a kind of structure of laser heat auxiliary hard brittle material high efficient grinding experimental bench in a specific embodiment of the invention
Schematic diagram.
Fig. 2 is the space structure schematic diagram of fixture in a specific embodiment of the invention.
Fig. 3 is fixture main view in a specific embodiment of the invention.
Fig. 4 is the space structure schematic diagram of laser heating device in a specific embodiment of the invention.
Fig. 5 is screw rodb base cross-sectional view in the specific embodiment of the invention.
Fig. 6 is the structural schematic diagram of vertical screw rod in the specific embodiment of the invention.
Specific embodiment
As shown in figs 1 to 6, a kind of laser heat assists hard brittle material high efficient grinding experimental bench, including matrix 1, grinding wheel support
Device, fixture support device and laser heating device；
The grinding wheel support device includes the vertical feed arrangement vertically moving with the driving motor 2 of motor 2,
The output end of the motor 2 is connect by shaft coupling I 3 with a trunnion axis 4, and grinding wheel 5, the water are socketed on the trunnion axis 4
The other end of flat axis 4 is connect 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 device includes fixed cuboid workpiece 25 and the upper end longitudinal edge is made to be located at the grinding wheel 5 rotation
Fixture in plane and the cross feed device being fixedly connected with described matrix 1, the cross feed device drive the fixture
It is moved along vertical plane direction where the axis perpendicular to the trunnion axis 4；
The laser heating device includes screw rodb base 8, and the vertical screw rod 9 and level that lower end is connect with the screw rodb base 8 are stretched
Contracting bar 10, the horizontal extension bar 10 are connect by feed screw nut 11 with the vertical 9 top thread segment of screw rod, and the level is stretched
Contracting bar 10 is equipped 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 lead screw base include vertical plate 18 and upper horizontal vertical plate 19 and lower horizontal vertical plate 20 on the vertical plate 18,
The perpendicular slide unit 17 is between the upper horizontal vertical plate 19 and the lower horizontal vertical plate 20, one end of the perpendicular slide bar 16 and institute
It states horizontal vertical plate 19 to be fixedly connected, the other end passes through the perpendicular slide unit 17 and is fixedly connected with the lower horizontal vertical plate 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 vertical plate 19, institute
It states perpendicular slide unit 17 to connect with the lower horizontal vertical plate 20, the other end is connect with the handwheel 14, and the perpendicular slide unit 17 is erected with described
Ball-screw 15 is threadedly coupled, and the lower horizontal vertical plate 20 is fixedly connected with described matrix 1.
The vertical bar 7 is connect by vertical pole socket 53 with described matrix 1, and the axle bed 6 is equipped with for by the axis
The clamping screw fixed with the vertical bar 7 of seat 6.
The fixture includes the fixture bottom plate 21 connecting with the cross feed device, and the fixture bottom plate 21 is equipped with a left side
Fixture block 22 and right fixture block 23, the left fixture block 22 and the right fixture block 23 all have 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 bottom plate 21 between the left fixture block 22 and the right fixture block 23 is equipped with
Triangular groove 24, the left side cell wall of the triangular groove 24 and the inclined-plane of the left fixture block 22 are in the same plane, institute
The right side cell wall and the inclined-plane of the right fixture block 23 for stating triangular groove 24 are in the same plane, and the right fixture block 23 is equipped 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 tilted, lower end longitudinal edge is placed on the triangular groove 24, the cuboid
The bottom surface of workpiece 25 is bonded with the left side cell wall on the inclined-plane of the left fixture block 22 and the triangular groove 24, the cuboid work
The lower end side of part 25 is bonded with the right side cell wall on the inclined-plane of the right fixture block 23 and the triangular groove 24, the voussoir 26
Lower end inclined-plane be bonded with the top surface of the cuboid workpiece 25, by 25 fixation of cuboid workpiece.
The cross feed device includes servo motor 27, shaft coupling II 28, roll ballscrew 29, two sideslip bars 30,
Cross slide 31 and horizontal lead screw base, the horizontal lead screw base include plate 32 and 33 He of preceding erect plate on the plate anyhow 32 anyhow
Erect plate 34 afterwards, the cross slide 31 are 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 passes through the cross slide 31 and is fixedly connected 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 pass through the preceding erect plate 33,
The cross slide 31 with it is described after erect plate 34 connect, the other end passes through the defeated of the shaft coupling II 28 and the servo motor 27
Outlet connection, the cross slide 31 are threadedly coupled with the roll ballscrew 29, the plate anyhow 32 and the fixed company of described matrix 1
It connects, the upper end of the cross slide 31 is fixedly connected with the fixture bottom plate 21.
The screw rodb base 8 includes the screw rodb base upper plate 35 being fixedly connected and screw rodb base lower plate 36 and ladder slideway；
The ladder slideway includes sliding positioned at the ladder sliding slot I of the lower surface of the screw rodb base upper plate 35 and with the ladder
Slot I matches and is located at the ladder sliding slot II 37 of the upper surface of the screw rodb base lower plate 36；
The screw rodb base upper plate 35 is equipped with ladder hole 38, and the ladder hole 38 includes from top to bottom being sequentially communicated
Macropore and aperture, the extending radially outwardly along the aperture of ladder sliding slot I, the small end of the ladder sliding slot I with it is described small
Hole connection；
The upper surface of the screw rodb base lower plate 36 is equipped with the circular groove 39 to match with the aperture, the ladder sliding slot
II 37 extending radially outwardly along the circular groove 39, the small end of the ladder sliding slot II 37 and the circular groove 39 connect
It is logical；
Screw rod limiting mandril 40 is equipped in the ladder slideway, the screw rod limiting mandril 40 is located at the ladder slideway
Big section in rod segment be equipped with limiting section 41, the big end of the ladder slideway is equipped with and the screw rodb base upper plate 35 and the silk
The small front apron 42 that pole socket lower plate 36 connects is equipped between the small front apron 42 and the limiting section 41 and is socketed in the screw rod limiting
The rod segment in the big section of the ladder slideway of push rod spring 43 on mandril 40, the screw rod limiting mandril 40 passes through institute
It states small front apron 42 to connect with a spanner 44, the other end of the screw rod limiting mandril 40, which has, extends to the aperture and the circle
Rack gear 45 in 39 enclosed space of connected in star；
The lower end of the vertical screw rod 9 is successively arranged multi-diameter shaft 46 and gear 47, and the shaft shoulder 48 of the multi-diameter shaft 46 passes through
Thrust bearing 49 is connect with the macropore, the gear 47 be located in the aperture and 39 enclosed space of the circular groove and with
The rack gear 45 engages；
The horizontal extension bar 10 includes the sleeve 50 connecting with the feed screw nut 11, and being equipped in the sleeve 50 can phase
To the slide bar 51 of the sleeve 50 sliding, the laser head seat 13 is connect with the slide bar 51 by otic placode 52 and can be around the cunning
The rotation of 51 axis of bar.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of laser heat assists hard brittle material high efficient grinding experimental bench, which is characterized in that including matrix, grinding wheel support device,
Fixture support device and laser heating device；
The grinding wheel support device includes the motor vertical feed arrangement vertically moving with the driving motor, the electricity
The output end of machine passes through the horizontal axis connection of shaft coupling I and one, is socketed with grinding wheel, the other end of the trunnion axis on the trunnion axis
Connect by axle bed with fixed vertical bar on the matrix, 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 device includes fixed cuboid workpiece and is located at the upper end longitudinal edge in the grinding 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 movement where the axis of the trunnion axis；
The laser heating device includes screw rodb base, the vertical screw rod and horizontal extension bar that lower end is connect with the screw rodb base, institute
It states horizontal extension bar to connect by feed screw nut with the vertical screw rod top thread segment, the horizontal extension bar is equipped with connection
The laser head seat of laser head.
2. a kind of laser heat according to claim 1 assists hard brittle material high efficient grinding experimental bench, it is characterised in that: described
Vertical feed arrangement includes handwheel, erects ball-screw, two perpendicular slide bars, and perpendicular slide unit and perpendicular lead screw base, the perpendicular lead screw base include
Vertical plate and upper horizontal vertical plate and lower horizontal vertical plate on the vertical plate, the perpendicular slide unit are located at the upper horizontal vertical plate
Between the lower horizontal vertical plate, one end of the perpendicular slide bar is fixedly connected with the upper horizontal vertical plate, and the other end passes through described
Perpendicular slide unit is fixedly connected with the lower horizontal vertical plate, and the perpendicular slide unit is connect with the perpendicular sliding bar, the perpendicular ball-screw
One end pass through the upper horizontal vertical plate, the perpendicular slide unit and connect with the lower horizontal vertical plate, the other end is connect with the handwheel,
The perpendicular slide unit is threadedly coupled with the perpendicular ball-screw, and the lower horizontal vertical plate is fixedly connected with described matrix.
3. a kind of laser heat according to claim 1 assists hard brittle material high efficient grinding experimental bench, it is characterised in that: described
Vertical bar is connect by vertical pole socket with described matrix, and the axle bed is equipped with for fixing the axle bed and the vertical bar
Clamping screw.
4. a kind of laser heat according to claim 1 assists hard brittle material high efficient grinding experimental bench, it is characterised in that: described
Fixture includes the fixture bottom plate connecting with the cross feed device, and the fixture bottom plate is equipped with left fixture block and right fixture block, institute
It states left fixture block and the right fixture block all has 45 ° of inclined-planes, the inclined-plane of the left fixture block and the right fixture block is oppositely arranged, and is located at institute
The fixture bottom plate stated between left fixture block and the right fixture block is equipped with triangular groove, the left side groove of the triangular groove
The inclined-plane of wall and the left fixture block is in the same plane, the inclined-plane of the right side cell wall of the triangular groove and the right fixture block
It is in the same plane, the left fixture block or the right fixture block are equipped with and cuboid workpiece are pressed on the triangular groove
The lower end of voussoir, the voussoir has 45 ° of inclined-planes.
5. a kind of laser heat according to claim 4 assists hard brittle material high efficient grinding experimental bench, it is characterised in that: described
Cross feed device includes servo motor, shaft coupling II, roll ballscrew, two sideslip bars, cross slide and horizontal lead screw base, described
Horizontal lead screw base 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
It states 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 pass through the preceding erect plate, the cross slide with it is described after erect plate connect, the other end pass through the shaft coupling II and
The output end of the servo motor connects, and 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 bottom plate.
6. a kind of laser heat according to claim 1 assists hard brittle material high efficient grinding experimental bench, it is characterised in that: described
Screw rodb base includes the screw rodb base upper plate being fixedly connected and screw rodb base lower plate and ladder slideway；
The ladder slideway include positioned at the screw rodb base upper plate lower surface ladder sliding slot I and with I phase of ladder sliding slot
Match and be located at the ladder sliding slot II of the upper surface of the screw rodb base lower plate；
The screw rodb base upper plate is equipped 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 sliding slot I, the small end of the ladder sliding slot I are connected to the aperture；
The upper surface of the screw rodb base lower plate is equipped with the circular groove that matches with the aperture, and the ladder sliding slot II is along described
Circular groove extends radially outwardly, and the small end of the ladder sliding slot II is connected to the circular groove；
Be equipped with screw rod limiting mandril in the ladder slideway, the screw rod limiting mandril in the big section of the ladder slideway
Rod segment be equipped with limiting section, the big end of the ladder slideway is equipped with and connect with the screw rodb base upper plate and the screw rodb base lower plate
Small front apron, the push rod spring that is socketed on the screw rod limiting mandril, institute are equipped between the small front apron and the limiting section
The rod segment in the big section of the ladder slideway for stating screw rod limiting mandril passes through the small front apron and connect with a spanner, described
The other end of screw rod limiting mandril has the rack gear extended in the aperture and the circular groove enclosed space；
The lower end of the vertical screw rod is successively arranged multi-diameter shaft and gear, the shaft shoulder of the multi-diameter shaft by thrust bearing with it is described
Macropore connection, the gear are located in the aperture and the circular groove enclosed space and engage with the rack gear；
The horizontal extension bar includes the sleeve connecting with the feed screw nut, and being equipped in the sleeve can the relatively described sleeve cunning
Dynamic slide bar, the laser head seat are connect with the slide bar and can be rotated around the slide bar axis by otic placode.
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| CN108838889B (en) * | 2018-06-25 | 2023-06-30 | 广东工贸职业技术学院 | Hard and brittle free-form surface grinding device and grinding method |
| CN109605138B (en) * | 2019-01-24 | 2020-09-04 | 长春理工大学 | Embedded laser-assisted ultra-precise cylindrical grinding device and working method thereof |
| CN110076671B (en) * | 2019-05-30 | 2023-12-19 | 深圳市优机智能技术有限公司 | DC plug cladding material equipment of polishing |
| 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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