CN108890409A - High-precision hard material tool grinding device and grinding processing method - Google Patents
High-precision hard material tool grinding device and grinding processing method Download PDFInfo
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- CN108890409A CN108890409A CN201810931282.5A CN201810931282A CN108890409A CN 108890409 A CN108890409 A CN 108890409A CN 201810931282 A CN201810931282 A CN 201810931282A CN 108890409 A CN108890409 A CN 108890409A
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- 238000003672 processing method Methods 0.000 title claims description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 134
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000009966 trimming Methods 0.000 claims description 15
- 238000003754 machining Methods 0.000 claims description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 14
- 239000003351 stiffener Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 7
- 238000012545 processing Methods 0.000 abstract description 13
- 238000005520 cutting process Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 5
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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
-
- 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
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
-
- 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 belongs to tool grinding technical field more particularly to a kind of high-precision hard material tool grinding device and method for grinding, high-precision hard material tool grinding device includes：Workbench；Clamping device, swing mechanism and feed mechanism, the clamping device connect and is used for the swing mechanism clamping fixed cutting tool and the cutter is driven to rotate around trunnion axis, the feed mechanism include fine tuning feeder assembly and with fast feed component, the swing mechanism connect with the fine tuning feeder assembly and is used to that the cutter to be driven to do rotary motion；Grinding wheel mechanism and swing mechanism, driving mechanism can drive the grinding wheel to rotate around trunnion axis, the swing mechanism setting is connect on the workbench and with the grinding wheel stand to drive the grinding wheel to move back and forth along the second horizontal direction, and then is ground back and forth to the cutter.High-precision hard material tool grinding device provided by the invention, overall structure is simple, and installation cost is low, and the product quality of processing is high.
Description
Technical field
The invention belongs to tool grinding processing technique field more particularly to a kind of high-precision hard material tool grinding devices
And grinding processing method.
Background technique
Hard material cutter has the advantages that hardness is high, thermal conductivity is good, thermal expansion is small and chemical stability is high, in many cuttings
It is had been widely used in processing, such as with milling generation mill, the processing of hard state, high-speed cutting etc..The process of hard material cutter is main
Including the cutting of hard material composite sheet, cutter hub production, welding, sharpening processing etc., wherein sharpening processing is to determine cutter geometric form
The critical process of shape, dimensional accuracy, existing cutter and tool grinding machine machining accuracy is not high, and shaft arrangement is simple, hardly results in high-precision
Hard material cutter, and high-precision hard material tool grinding lathe is substantially based on direct outsourcing foreign countries lathe, but its
Structure is complicated, accessory is at high cost, and the cost of overall processing is larger.
Summary of the invention
The purpose of the present invention is to provide a kind of high-precision hard material tool grinding device and grinding processing methods, it is intended to
Solve the equipment for grinding in the prior art technical problem that structure is complicated, at high cost.
To achieve the above object, the technical solution adopted by the present invention is that：A kind of high-precision hard material tool grinding device,
Including：
Workbench；
Clamping device, swing mechanism and feed mechanism, the clamping device connect with the swing mechanism and for clampings
Fixed cutting tool simultaneously drives the cutter to rotate around trunnion axis, and the feed mechanism includes setting on the workbench and is used for band
The cutter is moved to be moved to fast feed component near machining position along first level direction and connect with the fast feed component
The fine tuning feeder assembly for connecing and being used to drive the cutter to be moved to machining position and be ground the cutter, the turn-around machine
Structure connect with the fine tuning feeder assembly and for driving the cutter to do rotary motion；
Grinding wheel mechanism and swing mechanism, the grinding wheel mechanism includes grinding wheel stand, the driving machine that is installed on the grinding wheel stand
Structure and the grinding wheel connecting with the driving mechanism, the driving mechanism can drive the grinding wheel to rotate around trunnion axis, the swing
Mechanism setting is connect to drive the grinding wheel to move along the second horizontal direction, in turn on the workbench and with the grinding wheel stand
The cutter is ground back and forth.
Further, the fast feed component include setting guide rail on the workbench, be slidably connected to it is described
The sliding block of guide rail and be connected with the slide block and for drive the sliding block along the guide rail slide to drive the swing mechanism
The driving cylinder moved along the first level direction, the extending direction of the length of the guide rail and the first level direction are flat
It goes and vertical with second horizontal direction.
Further, sliding rail is provided on the sliding block, the fine tuning feeder assembly includes being slidably connected to the sliding rail
Supporting table and connect with the supporting table and for driving the supporting table to move along the first level direction to described
The trimming hand wheel that cutter is ground；The swing mechanism include be fixed in the supporting table and hollow revolving platform, setting
In the revolving platform and top stretches out in the shaft of the revolving platform and connects with the shaft and for driving the shaft to rotate
First motor, the shaft is connected and fixed with the clamping device.
Further, the clamping device includes the fixing seat for being connected and fixed on the shaft, is arranged in the fixing seat
Upper and the second motor of jig and setting on the fixing seat and with jig linkage for the fixed cutter of clamping,
Second motor can drive jig to rotate relative to the fixing seat around trunnion axis.
Further, the jig is wolfram steel bar jig, and the wolfram steel bar jig includes being fixed in fixing seat
Clamping cone body, the axial centre of the clamping cone body offer the clamping hole of the knife handle for the fixed cutter of clamping.
Further, the swing mechanism includes the pedestal being fixed on the workbench, is arranged on the pedestal
Third motor, be slidably connected to the pedestal and with the first slide unit of the output axis connection of the third motor, be slidably connected to
Second slide unit of the first slide unit top surface, the eccentric stiffener being arranged on first slide unit and the company being connect with the eccentric stiffener
Bar, one end of the connecting rod are flexibly connected with second slide unit, and the grinding wheel mechanism is fixed on the top surface of second slide unit,
The eccentric stiffener drives second slide unit to move back and forth so that the grinding wheel mechanism realizes reciprocally swinging by the connecting rod.
Further, the high-precision hard material tool grinding device further includes setting on the workbench and is used for
The image acquisition mechanism of the relative position information of the cutter and the grinding wheel is acquired, connect and uses with described image collecting mechanism
It connect and is used in the display of display described image collecting mechanism acquired image information and with described image collecting mechanism
The acquisition mode of described image collecting mechanism is adjusted to the more multiplying powers for being suitable for the cutter relative position different from the grinding wheel
Adjusting knob.
The present invention provides another technical solution：A kind of mill using above-mentioned high-precision hard material tool grinding device
Processing method is cut, is included the following steps：
Cutter clamping is fixed on the clamping device；
By the adjusting to the fast feed component and the fine tuning feeder assembly, complete to move the cutter knife
It moves to machining position；
The running parameter of the clamping device and the grinding wheel mechanism is set, the fine tuning feeder assembly is controlled and drives institute
Stating clamping device drives the cutter to the mobile preset distance in grinding wheel mechanism direction, to complete single step feeding grinding；
Controlling the wabbler mechanism drives the grinding wheel mechanism to move back and forth pre-determined number, and the cutter is made to complete list every time
Stepping carries out the grinding of the same amount of feeding again when being ground.
Further, it is realized by the driving frequency and driving distance that control the first slide unit described in the third motor driven
Control to the hunting frequency and amplitude of fluctuation of the grinding wheel mechanism.
It further, is 1um by rotating the trimming hand wheel predetermined angular to adjust the single step amount of feeding, and every time
Grinding wheel spindle described in the third motor driven is moved back along second horizontal direction when being ground to the tool feeding 1um
It is 2~4 times dynamic, so that the cutter is ground feeding 1um again.
Beneficial effects of the present invention：High-precision hard material tool grinding device of the invention, due to be provided with finely tune into
To component and fast feed component, cutter can be carried out quick tool setting, can carry out knife by fine tuning feeder assembly band cutter movement
The single step of tool is precisely ground, and then drives grinding wheel mechanism to swing back and forth by swing mechanism, further can carry out essence to cutter again
Quasi- grinding, overall structure is simple, and installation cost is low, and fine tuning feeder assembly and being used cooperatively for swing mechanism can greatly improve mill
Precision is cut, the product quality of processing is high, and cutter blade can reach matt effect.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the schematic perspective view of high-precision hard material tool grinding device provided in an embodiment of the present invention；
Fig. 2 is the part isometric structural schematic diagram one of high-precision hard material tool grinding device shown in Fig. 1；
Fig. 3 is the part isometric structural schematic diagram two of high-precision hard material tool grinding device shown in Fig. 1；
Fig. 4 is that the part isometric structure of fine-tuning feeding mechanism in high-precision hard material tool grinding device shown in Fig. 1 is shown
It is intended to；
Fig. 5 is that the partial top structure of fine-tuning feeding mechanism in high-precision hard material tool grinding device shown in Fig. 1 is shown
It is intended to；
Fig. 6 is the stereochemical structure of wabbler mechanism and grinding wheel mechanism in high-precision hard material tool grinding device shown in Fig. 1
Schematic diagram；
Fig. 7 is the schematic perspective view of swing mechanism shown in Fig. 6；
Fig. 8 is the part isometric structural schematic diagram of swing mechanism shown in Fig. 6；
Fig. 9 is the part configuration schematic diagram of swing mechanism shown in Fig. 6；
Figure 10 is the part side structure schematic view of swing mechanism shown in Fig. 6；
Figure 11 is the flow diagram of high-precision hard material tool grinding method provided in an embodiment of the present invention.
Wherein, each appended drawing reference in figure：
10-workbench 100-clamping device, 110-fixing seats
120-jig 130-driven wheel, 140-synchronous belts
200-swing mechanism 210-revolving platform, 220-shafts
30-310-fast feed of feed mechanism component, 320-fine tuning feeder assemblies
311-guide rail 312-sliding block, 321-sliding rails
322-supporting table 323-trimming hand wheel, 313-grating scales
330-shell 340-interconnecting piece, 324-drive shafts
331-driving gear 350-worm screw, 351-driven gears
352-driving portion 360-screw rod, 361-turbines
400-grinding wheel mechanism 410-grinding wheel stand, 420-driving mechanisms
430-grinding wheel 431-grinding wheel spindle, 500-swing mechanisms
510-520-third of pedestal the 511-the first slide units of motor
512-the second slide unit 513-connector, 514-connecting rod
515-the first sliding rail 530-installs case of the 516-the second sliding rail
540-decelerating motor 550-eccentric wheel, 560-guide parts
561-limited block 570-adjusting block, 580-spheres
581-linkage section 582-spacer, 590-spherical plain bearing rod ends
610-image acquisition mechanism 611-bracket, 612-adjustable plates
613-mounting rack 614-CCD, 615-optical tubes of monitoring assembly
616-CCD camera 620-ring pipe 630-waterproof water returning disks
640-waterproof extensible cover 650-LED light, 660-operation panels
670-displays.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Fig. 1~2, high-precision hard material tool grinding device provided in an embodiment of the present invention, including workbench
10, clamping device 100, swing mechanism 200, feed mechanism 30, grinding wheel mechanism 400 and swing mechanism 500.
Clamping device 100 connect and is used for swing mechanism 200 clamping fixed cutting tool and rotates with cutter around trunnion axis,
Feed mechanism 30 includes being arranged on workbench 10 and for being moved near machining position with cutter along first level direction
Fast feed component 310 and connect with fast feed component 310 and for band cutter be moved to machining position and to cutter carry out
The fine tuning feeder assembly 320 of grinding, swing mechanism 200 connect with fine tuning feeder assembly 320 and for driving cutter to do revolution fortune
It is dynamic.That is, clamping device 100 is also with swing mechanism 200 when fast feed component 310 drives swing mechanism 200 mobile
It moves together, and then energy band cutter is rapidly moved near machining position along first level direction (direction F1 in Fig. 1)；It is micro-
Adjusting feeder assembly 320 to drive further drives swing mechanism 200 and clamping device 100 to move together, and cutter is made to be moved to processing
Position carries out accurately grinding.
As shown in fig. 6, grinding wheel mechanism 400 include grinding wheel stand 410, the driving mechanism 420 that is installed on grinding wheel stand 410 and with
The grinding wheel 430 that driving mechanism 420 connects, driving mechanism 420 can drive grinding wheel 430 to rotate around trunnion axis, and grinding wheel 430 is fixed on sand
On wheel shaft 431, grinding wheel spindle 431 is rotatably arranged on grinding wheel stand 410, and one end of grinding wheel spindle 431 is socketed with driven wheel, driving mechanism
420 output sleeve be equipped with driving wheel, synchronous belt is connected between driven wheel and driving wheel, can so drive grinding wheel spindle 431 and
Grinding wheel 430 rotates.Swing mechanism 500 is arranged on workbench 10 and connect with grinding wheel stand 410 to drive grinding wheel 430 along the second water
Square move back and forth to (direction F2 in Fig. 1), and then cutter is ground back and forth.Swing mechanism 500 is refined every time in cutter
Abrasive machine structure 400 is driven to move back and forth after grinding, further to carry out accurately grinding back and forth to cutter.
High-precision hard material tool grinding device provided in this embodiment, due to being provided with fine tuning 320 He of feeder assembly
Fast feed component 310, cutter can be carried out quick tool setting, can carry out cutter with cutter movement by fine tuning feeder assembly 320
Single step be precisely ground, then by swing mechanism 500 drive grinding wheel mechanism 400 swing back and forth, can further again to cutter into
Row precisely grinding, overall structure is simple, and installation cost is low, and that finely tunes feeder assembly 320 and swing mechanism 500 is used cooperatively energy
Grinding accuracy is greatly improved, the product quality of processing is high, and cutter blade can reach matt effect.
In one embodiment, as shown in Figure 1 to Figure 3, fast feed component 310 includes the guide rail being arranged on workbench 10
311, be slidably connected to the sliding block 312 of guide rail 311 and connect with sliding block 312 and for drive sliding block 312 along guide rail 311 slide with
Drive the driving cylinder that moves along the direction F1 of swing mechanism 200, the extending direction of the length of guide rail 311 it is parallel with the direction F1 and with
The direction F2 is vertical.
Further, workbench 10 is provided with sliding rail 321, and fine tuning feeder assembly 320 includes being slidably connected to sliding rail 321
It supporting table 322 and is connect with supporting table 322 and for driving cutter to move to be ground cutter along first level direction
Trimming hand wheel 323；Swing mechanism 200 include be fixed in supporting table 322 and hollow revolving platform 210, be arranged in revolving platform 210
And first motor (the figure that top stretches out in the shaft 220 of revolving platform 210 and shaft 220 is connected and rotated for drive shaft 220
Do not show), shaft 220 is connected and fixed with clamping device 100.
As shown in Figure 2 and Figure 3, the two sides of workbench 10 are arranged in parallel there are two guide rail 311, and each guide rail 311 is slidably connected
There is sliding block 312, the top surface of each sliding block 312 is fixedly connected with sliding rail 321, and the bottom surface of supporting table 322 is slidably connected to two sides
Sliding rail 321, trimming hand wheel 323 are connect by connector with the side of supporting table 322, and when rotary fine adjustment handwheel 323 can drive branch
Platform 322 is supportted to slide along sliding rail 321.High-precision grating scale 313 is additionally provided on workbench 10, to detect the movement of supporting table 322
Distance is provided with scale on trimming hand wheel 323, can rotate predetermined angular to trimming hand wheel 323 according to the demand of machining accuracy.
As shown in Figure 4, Figure 5, supporting table 322 is connected with shell 330 and interconnecting piece 340 far from the side of swing mechanism 500,
Trimming hand wheel 323 has a drive shaft 324, and driving gear 331 is protruded into shell 330 and be connected in one end of the drive shaft 324,
Rotatably mounted in shell 330 to have worm screw 350, one end of the worm screw 350 is connected with the driven tooth being meshed with driving gear 331
Wheel 351, the other end of worm screw 350 is formed with driving portion 352, and the excircle of the driving portion 352 is formed with external screw thread, shell 330
Inside also rotation is provided with screw rod 360, and one end and the interconnecting piece 340 of the screw rod 360 are spirally connected, and the other end of screw rod 360 is connected with whirlpool
Wheel 361, the turbine 361 and the external screw thread of driving portion 352 are threadedly engaged.When rotating trimming hand wheel 323, the active of drive shaft 324
Gear 331 drives driven gear 351 to rotate, and rotates worm screw 350, and driving portion 352 drives turbine 361, and screw rod 360 is around shell
330 along screw rod 360 axial-rotation, and then drive connection portion 340 is mobile to first direction, in this way, can drive supporting table 322 to
First direction is mobile, completes the fine tuning feeding of cutter.
As shown in Figure 2 and Figure 3, clamping device 100 includes the fixing seat 110 being connected and fixed with shaft 220, is movably arranged on
In fixing seat 110 and for the jig 120 of clamping fixed cutting tool and it is arranged in fixing seat 110 and the with the linkage of jig 120
Two motor (not shown), the second motor can drive jig 120 to rotate relative to fixing seat 110 around trunnion axis.
In a specific embodiment, jig 120 is wolfram steel bar jig, and wolfram steel bar jig includes being fixed on fixing seat
Clamping cone body on 110, the axial centre of clamping cone body offer the clamping hole of the knife handle for clamping fixed cutting tool, dress
The inner wall of folder hole is formed with the groove for fixing knife handle.The front end of clamping cone body is integrally conical, after clamping cone body
End is connected with driven wheel 130, and the second motor is fixed on the top of fixing seat 110 and is located at the surface of clamping cone body, and second
The output shaft of motor is connected with driving wheel, synchronous belt 140 is connected between driving wheel and driven wheel 130, such second motor can
Driving clamping cone body is rotated around trunnion axis.
In one embodiment, as shown in Fig. 2 and Fig. 6 to Figure 10, swing mechanism 500 includes the base being fixed on workbench 10
Seat 510, the first slide unit 511 being slidably connected on pedestal 510, is slidably connected at the third motor 520 being arranged on pedestal 510
It is connect in the second slide unit 512 of 511 top surface of the first slide unit, the eccentric stiffener that is arranged on the first slide unit 511 and with eccentric stiffener
Connecting rod 514, one end of connecting rod 514 connect with the second slide unit 512, and grinding wheel mechanism 400 is fixed on 512 top surface of the second slide unit,
The output shaft of three motors 520 and the first slide unit 511 are connected and fixed to drive the sliding of the first slide unit 511, the driving of third motor 520 the
Reciprocally swinging is realized by eccentric stiffener and connecting rod 514 when one slide unit 511 slides on the slide rail.
Specifically, the extending direction of 510 length of pedestal is vertical with first level direction, and pedestal 510 surrounds similar shell
Structure, hollow and top opening, third motor 520 are fixed in the chamber that pedestal 510 surrounds, grinding wheel mechanism 400
Grinding wheel stand 410 is connected and fixed on the top surface of the second slide unit 512.It is sliding that the top two sides of pedestal 510 along its length are provided with first
Rail 515, the first slide unit 511 are slidably connected by the first sliding rail 515 with pedestal 510, and the two sides of 511 top surface of the first slide unit are provided with
Second sliding rail 516, the second slide unit 512 are slidably connected by the first sliding rail 515 with the first slide unit 511, the length of the first sliding rail 515
Direction is parallel with the length direction of the second sliding rail 516, and the length of the first slide unit 511 is greater than the length of the second slide unit 512, and first is sliding
A part is stretched out relative to the second slide unit 512 in side of the platform 511 far from third motor 520.
Eccentric stiffener includes the installs case 530 being fixed on the first slide unit 511, the deceleration for being mounted on installs case 530
The eccentric wheel 550 of the output axis connection of motor 540 and decelerating motor 540 is connected and fixed on 550 bottom surface of eccentric wheel and has swallow
The guide part 560 of tail guide rail, the adjusting block 570 for being slidably connected to guide part 560 and the rod end joint shaft being connect with adjusting block 570
590 are held, decelerating motor 540 is rotated with movable eccentric wheel 550, guide part 560, and adjusting block 570 slidably reciprocates in guide part 560,
And then spherical plain bearing rod end 590 and connecting rod 514 is driven to swing, to drive the second slide unit 512 to slide back and forth on the first slide unit 511
It is dynamic.Guide part 560 is hollow and bottom opening, is formed with dovetail guide in guide part 560, the side of guide part 560 offers confession
The entrance that adjusting block 570 slides into, the guide part 560 are removably connected with limited block 561 in the inlet, 561 face of limited block
Side protrusion into guide part 560 is provided with top supporting column (not shown), slides on dovetail guide for limiting adjusting block 570
Range.One end of spherical plain bearing rod end 590 is connect with connecting rod 514, and the other end of spherical plain bearing rod end 590 has spherical surface
Sliding bearing, activity is embedded with matched sphere 580 in spherical bearing, and sphere 580 can rotate in spherical bearing,
The top of sphere 580 has the linkage section 581 stretched out, which is connected and fixed on the bottom surface of adjusting block 570, the connection
It is arranged with spacer 582 outside section 581, which can limit the maximum angle that sphere 580 is rotated relative to spherical bearing,
The one end of connecting rod 514 far from spherical plain bearing rod end 590 is flexibly connected by connector 513 with the second slide unit 512, in this way, first
Crank block slider structure is formed between slide unit 511 and the second slide unit 512.Third motor 520 drives the first slide unit 511 mobile, can be real
The adjusting of existing second slide unit, 512 amplitude of oscillation size, and then realize the adjusting of 400 amplitude of oscillation size of grinding wheel mechanism.
In the present embodiment, as shown in Figure 1 to Figure 3, high-precision hard material tool grinding device further includes being arranged in work
Make the image acquisition mechanism 610 and image acquisition mechanism of the relative position information on platform 10 and for acquiring cutter and grinding wheel 430
610 connections and display 670 and and image acquisition mechanism for showing 610 acquired image information of image acquisition mechanism
610 connections and for adjusting the acquisition mode of image acquisition mechanism 610 to being suitable for the cutter relative position different from grinding wheel 430
More multiplying power adjusting knob (not shown).
Specifically, image acquisition mechanism 610 includes the bracket 611 connecting with the side wall of supporting table 322, is arranged in bracket
CCD monitoring assembly 614 on 611, i.e. image acquisition mechanism 610 are moved with the movement of supporting table 322.Bracket 611 is close to top
The end in portion is provided with adjustable plate 612, which includes being connected and fixed on the bottom plate of bracket 611 and connecting with bottom plate activity
The top plate connect, top plate can adjust movement relative to bottom plate in the horizontal plane, to adjust the horizontal position of CCD monitoring assembly 614, top
The top surface of plate is fixed with mounting rack 613.CCD monitoring assembly 614 include the optical tubes 615 that is arranged on mounting rack 613 and
Be installed on the CCD camera 616 at the top of optical tubes 615, CCD camera 616 can external computer to realize on-line monitoring cutter
Position and geometric dimension, showing by the scaling to cutter image and on display 670 can be compared with scheduled shape.
Workbench 10 has been placed around hydrojet case (not shown), and hydrojet case is connected with ring pipe 620 by pipeline, passes through bamboo
It saves pipe 620 and cutting fluid is sprayed to machining position, the side of supporting table 322 is surrounded by waterproof water returning disk 630, and waterproof water returning disk 630 connects
Drain pipe is connected to so that cutting fluid to be discharged, the side close to swing mechanism 500 is provided with waterproof extensible cover 640, to prevent from cutting
It cuts liquid and splashes to outside.Workbench 10 is also provided with lighting mechanism, such as rotatable bracket is arranged on workbench 10, branch
Frame end is connected with LED light 650, to illuminate cutter and to knife position region, facilitates observation.
The setting of more multiplying power adjusting knobs can also facilitate adjusting to knife, specifically, during aim at tool operation before processing,
It during near cutter drives to machining position, will can pass through more multiplying power adjusting knobs by fast feed mechanism and adjust image
Collecting mechanism 610 is enough to observe the relative position between grinding wheel 430 and cutter on display 670 to low range acquisition mode,
During trimming hand wheel 323 adjusts cutter and feeds at a slow speed, image acquisition mechanism can be adjusted by more multiplying power adjusting knobs
610, to high magnification acquisition mode, are enough to observe the relative position between grinding wheel 430 and cutter on display 670, in this way, can
Conveniently in the judgement under different adjustment mode to the relative position between cutter and grinding wheel 430, the setting of more multiplying power adjusting knobs
Operation is adjusted convenient for fast reconciliation mobile to cutter in aim at tool operation is slow, so that aim at tool operation is more simple and efficient.
Workbench 10 is also connected with operation panel 660, can be set to the parameter of each mechanism by the operation panel 660
It sets, after carrying out aim at tool operation by image acquisition mechanism 610, supplying position can be set as at 0 point on operation panel 660,
So as to can directly know each feeding parameter when grinding action, do not need to convert again.
In addition, if discovery grinding wheel 430 has abrasion, usable knife bar of repairing carries out repairing grinding wheel 430, tool in grinding
Body, in one end clamping PCD blade for repairing knife bar, cutter is removed from jig 120, the other end clamping for repairing knife bar is fixed on
On jig 120, then grinding wheel 430 is ground by feed mechanism, the observation repairing situation in display 670, until sand
It takes turns 430 each frays and completes repairing.
As shown in Fig. 1~11, the grinding of high-precision hard material tool grinding device provided in an embodiment of the present invention
Method includes the following steps：
S100：Cutter clamping is fixed on clamping device 100；
S200：By the adjusting to fast feed component 310 and fine tuning feeder assembly 320, complete to keep cutter mobile on knife
To machining position；
S300：The running parameter of clamping device 100 and grinding wheel mechanism 400 is set, control fine tuning feeder assembly 320 drives
Clamping device 100, to the mobile preset distance in 400 direction of grinding wheel mechanism, is ground with cutter with completing single step feeding；
S400：Control wabbler mechanism driving grinding wheel mechanism 400 move back and forth pre-determined number, make cutter complete every time single step into
The grinding of the same amount of feeding is carried out when to grinding again.
The high-precision hard material tool grinding method of the embodiment of the present invention can pass through fast feed component 310 and fine tuning
Feeder assembly 320 carries out quick tool setting, and the single step that can carry out cutter with cutter movement by finely tuning feeder assembly 320 is precisely ground
It cuts, then drives grinding wheel mechanism 400 to swing back and forth by swing mechanism 500, further cutter precisely can be ground again, grasp
To make simply, installation cost is low, and fine tuning feeder assembly 320 and being used cooperatively for swing mechanism 500 can greatly improve grinding accuracy,
The product quality that grinding obtains is high.
In the step s 100, using high-precision wolfram steel bar jig 120, the knife handle of cutter can be inserted into clamping cone body
It is interior, the clamping of cutter is quickly completed, and Set and Positioning precision is high.
In step s 200, it is specially from beginning to aim at tool operation：Adjust the rocking tendency of grinding wheel spindle 431, adjustment revolution
For 200 shaft 220 of mechanism origin position (120 axial direction of jig is vertical with first direction), supporting table 322 is reset to origin position
Set, the Cutting tool installation manner that is ground will be needed on jig 120, adjustment jig 120 make bar one week rotary jumping value 1um with
It is interior, drive cutter to quasi- Working position by cylinder, the angle for the cutter processed as needed is inputted in operation panel 660 turns round
Mechanism 200 needs the angle rotated, presses corresponding activation button, swing mechanism 200 rotates to the position of setting, by grinding wheel
Axis 431 first quickly navigates to certain position, adjusts grinding wheel spindle 431 and is fed at a slow speed near knife position, then passes through trimming hand wheel 323
The position of cutter is observed on display 670 in conjunction with image acquisition mechanism 610, until completing aim at tool operation.After completing to knife,
0 is set by supplying position on operation panel 660.
In step S300, can also by control operation panel 660 or manually adjust to other mechanisms carry out parameter setting,
Jig 120 can positive and negative rotation, revolving speed is adjustable between 0-200r/s, such as is set as 80r/s, 180r/s, 200r/s, grinding wheel spindle
All within 2um, 431 revolving speed of grinding wheel spindle is adjustable within the scope of 0-3000r/s, such as sets for 431 end face run-out and circular runout
Be set to 1000r/s, 2500r/s, 3000r/s, 431 wobble frequency of grinding wheel spindle is adjustable in 0-100Hz, such as be set as 20Hz,
It is adjustable in 0-10mm to wave the amplitude of oscillation, such as is set as 2mm, 6mm, 10mm by 60Hz, 100Hz；Swinging shaft locating shaft positions model
It is trapped among 0-80mm, such as is set as 20mm, 50mm, 80mm.
Specifically, the driving frequency of first slide unit 515 and driving distance are realized to grinding wheel by control third motor 520
The control of mechanism 400 hunting frequency and amplitude of fluctuation, and then the precision after grinding being ground again is fed to single step and is controlled, it is real
The processing of existing high-precision grinding.
Preferably, the amount of feeding that single step feeding grinding can be adjusted by rotation 323 predetermined angular of trimming hand wheel is 1um, and
And third motor 520 drives grinding wheel spindle 431 to move back and forth 2 along the second horizontal direction when being ground every time to tool feeding 1um
~4 times, so that cutter is ground feeding 1um again.For example, each parameter is set when carrying out grinding to diamond cutter, it is complete
After pairs of knife, when carrying out grinding to cutter, 6 degree or so are rotated by trimming hand wheel 323 every time, at this time to the single step of cutter
The amount of feeding is 1um, then drives grinding wheel spindle 431 to wave 2~4 and can feed again 1um to cutter back and forth by wabbler mechanism, is passed through
The diamond cutter obtained after feeding grinding high-precision in this way, within positive and negative 0.1 degree, basil fillet R's blade basil precision exists
Within 0.5um, blade outer diameter within positive and negative 1um, upper and lower edge line departure within 1um, its blade of diamond cutter
Surface smoothness can reach matt degree, and the precision of the diamond cutter after processing is high, and service life is also longer.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of high-precision hard material tool grinding device, it is characterised in that：Including：
Workbench；
Clamping device, swing mechanism and feed mechanism, the clamping device connect with the swing mechanism and fix for clamping
Cutter simultaneously drives the cutter to rotate around trunnion axis, and the feed mechanism includes setting on the workbench and for driving institute
State fast feed component that cutter is moved near machining position along first level direction and connect with the fast feed component and
Fine tuning feeder assembly for driving the cutter to be moved to machining position and being ground to the cutter, the swing mechanism with
The fine tuning feeder assembly connects and for driving the cutter to do rotary motion；
Grinding wheel mechanism and swing mechanism, the grinding wheel mechanism include grinding wheel stand, the driving mechanism being installed on the grinding wheel stand and
The grinding wheel connecting with the driving mechanism, the driving mechanism can drive the grinding wheel to rotate around trunnion axis, the swing mechanism
Setting is connect to drive the grinding wheel to move back and forth along the second horizontal direction, in turn on the workbench and with the grinding wheel stand
The cutter is ground back and forth.
2. high-precision hard material tool grinding device according to claim 1, it is characterised in that：The fast feed group
Part includes setting guide rail on the workbench, is slidably connected to the sliding block of the guide rail and is connected with the slide block and is used for
The sliding block is driven to slide the driving cylinder to drive the swing mechanism to move along the first level direction along the guide rail,
The extending direction of the length of the guide rail is parallel with the first level direction and vertical with second horizontal direction.
3. high-precision hard material tool grinding device according to claim 2, it is characterised in that：It is arranged on the sliding block
There is sliding rail, the fine tuning feeder assembly includes being slidably connected to the supporting table of the sliding rail and connecting and be used for the supporting table
The supporting table is driven to move the trimming hand wheel to be ground to the cutter along the first level direction；The turn-around machine
Structure includes being fixed in the supporting table and hollow revolving platform, setting are in the revolving platform and top stretches out in the revolving platform
Shaft connect with the shaft and the first motor for driving the shaft rotation, the shaft and the clamping device connect
Connect fixation.
4. high-precision hard material tool grinding device according to claim 3, it is characterised in that：The clamping device packet
The fixing seat for being connected and fixed on the shaft, setting are included on the fixing seat and for the jig of the fixed cutter of clamping and
It is arranged on the fixing seat and the second motor with jig linkage, second motor can drives jig relative to described
Fixing seat is rotated around trunnion axis.
5. high-precision hard material tool grinding device according to claim 4, it is characterised in that：The jig is wolfram steel
Bar jig, the wolfram steel bar jig include fixed clamping cone body on the fixing seat, the clamping cone body
Axial centre offers the clamping hole of the knife handle for the fixed cutter of clamping.
6. high-precision hard material tool grinding device according to claim 1, it is characterised in that：The swing mechanism packet
Include the pedestal being fixed on the workbench, the third motor that is arranged on the pedestal, be slidably connected to the pedestal and with
First slide unit of the output axis connection of the third motor, is arranged in institute the second slide unit for being slidably connected to the first slide unit top surface
The connecting rod stating the eccentric stiffener on the first slide unit and being connect with the eccentric stiffener, one end of the connecting rod and second slide unit
It is flexibly connected, the grinding wheel mechanism is fixed on the top surface of second slide unit, and the eccentric stiffener drives institute by the connecting rod
The second slide unit is stated to move back and forth so that the grinding wheel mechanism realizes reciprocally swinging.
7. high-precision hard material tool grinding device according to claim 1, it is characterised in that：The high-precision hard
Material cutter grinding attachment further includes the opposite position for being arranged on the workbench and be used to acquire the cutter and the grinding wheel
The image acquisition mechanism of confidence breath is connect and for showing that described image collecting mechanism is collected with described image collecting mechanism
The display of image information and the acquisition mode for connecting and be used to adjust described image collecting mechanism with described image collecting mechanism
To the more multiplying power adjusting knobs for being suitable for the cutter relative position different from the grinding wheel.
8. a kind of grinding side using the described in any item high-precision hard material tool grinding devices of claim 1~7
Method, it is characterised in that：Include the following steps：
Cutter clamping is fixed on the clamping device；
By the adjusting to the fast feed component and the fine tuning feeder assembly, complete to be moved to the cutter knife
Machining position；
The running parameter of the clamping device and the grinding wheel mechanism is set, the fine tuning feeder assembly is controlled and drives the folder
Holding mechanism drives the cutter to the mobile preset distance in grinding wheel mechanism direction, to complete single step feeding grinding；
Controlling the wabbler mechanism drives the grinding wheel mechanism to move back and forth pre-determined number, make the cutter complete every time single step into
The grinding of the same amount of feeding is carried out when to grinding again.
9. the grinding processing method of high-precision hard material cutter according to claim 8, it is characterised in that：Pass through control
The driving frequency and driving distance of first slide unit described in the third motor driven realize the hunting frequency to the grinding wheel mechanism
With the control of amplitude of fluctuation.
10. the grinding processing method of high-precision hard material cutter according to claim 9, it is characterised in that：By turning
Moving the trimming hand wheel predetermined angular and adjusting the amount of feeding of single step feeding grinding is 1um, and every time to the cutter into
Grinding wheel spindle described in the third motor driven moves back and forth 2~4 times along second horizontal direction when being ground to 1um, with
The cutter is set to be ground feeding 1um again.
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| CN201810931282.5A CN108890409B (en) | 2018-08-15 | 2018-08-15 | High-precision hard material cutter grinding device and grinding processing method |
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|---|---|---|---|
| CN201810931282.5A CN108890409B (en) | 2018-08-15 | 2018-08-15 | High-precision hard material cutter grinding device and grinding processing method |
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