CN107962459A - A kind of method for grinding of arc-shaped knife-blade - Google Patents
A kind of method for grinding of arc-shaped knife-blade Download PDFInfo
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- CN107962459A CN107962459A CN201711190868.2A CN201711190868A CN107962459A CN 107962459 A CN107962459 A CN 107962459A CN 201711190868 A CN201711190868 A CN 201711190868A CN 107962459 A CN107962459 A CN 107962459A
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- grinding
- arc
- blade
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- component
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/58—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of tools having scalloped cutting edges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0023—Other grinding machines or devices grinding machines with a plurality of working posts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0069—Other grinding machines or devices with means for feeding the work-pieces to the grinding tool, e.g. turntables, transfer means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- 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
- B24B47/00—Drives or gearings; Equipment therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/16—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a kind of method for grinding of arc-shaped knife-blade, belong to tool grinding technical field.This method comprises the following steps：First, arc-shaped blade to be ground is installed on table assembly；Then, selection emery wheel is installed on grinding wheel component, and the grinding angle of emery wheel is adjusted by angle adjusting mechanism；Then, wheel grinding is highly adjusted by elevating mechanism；Finally, grinding wheel component is driven by swing mechanism, emery wheel is carried out grinding to the edge bevel of arc-shaped blade；Refined by corase grinding, half and grinding obtains the knife-blade of qualification.This method is ground the arc-shaped blade face of circular arc knife using arc-shaped blade lapping device, substantially reduce the technical requirements of operative employee, can high-effect high-quality the blade for processing arc-shaped blade, the blade face arc being ground is preferable, and tool point angle uniformity is preferable.
Description
Technical field
The invention belongs to tool grinding technical field, is related to a kind of side that can be ground to the blade of arc-shaped knife
Method, more specifically to a kind of method for grinding of arc-shaped knife-blade.
Background technology
Grinding is one of precision machined main method of machine parts using relatively broad.Grinding machine is to utilize grinding tool,
Such as emery wheel, the lathe of grinding is carried out to workpiece surface.The higher material of grinding machine energy workhardness, as hardened steel, hard close
Gold etc.：Also fragile material can be processed, such as glass, granite.Grinding machine can make the grinding of high accuracy and surface roughness very little, also can
Carry out efficient grinding, such as high-rate grinding.
In the blade production process such as steel alloy or ceramics, grinding is one of essential important procedure, is only passed through
Corase grinding, fine grinding can just produce the knife-blades such as bright and clean, no marking steel alloy or ceramics, so as to produce the alloy of high quality
Steel or sintex.Blade grinding is typically also to be completed by grinding machine, but common grinding machine can only generally be ground circular shear blade,
It is difficult operation for special-shaped blade in irregular shape, is usually all specially to design targetedly grinding according to blade shapes to set
It is standby.
For example, Chinese Patent Application No. is：201610504865.0 publication date is：In August, 2016 patent of 31 days text
Offer, disclose a kind of rotating disc type full-automatic blade milling drum, including operation console, operation console is equipped with point by step motor control
Scale, index dial are arranged on operation console by turntable, are equally spacedly provided with index dial some for clamping pruner
The gauge of piece, operation console are equipped with some grinding mechanisms and and milling drum for being used to be ground the pruning shear blade clamped on gauge
The corresponding supporting rod of structure；The grinding mechanism includes the rack being rotatably dispose on operation console, one end of rack and supporting rod
Rotation connection, the lower part of rack are equipped with pulley, and rack is equipped with rotary drive motor, and the drive shaft of rotary drive motor is equipped with
The drive gear engaged with fluted disc.The program is ground using Multi-station synchronous, realizes the full-automatic of pruning shear blade grinding edge
Change processing, greatly improve grinding accuracy and processing efficiency.
And for example, Chinese Patent Application No. is：201510146804.7 publication date is：The patent text on June 24th, 2015
Offer, disclose a kind of sharpening mechanism for knife blade cutting edge automatic grinding device, it includes emery wheel, and emery wheel is passed by belt
Motivation structure connects the first servomotor, and the first servomotor can drive emery wheel to rotate；Emery wheel is fixedly connected with rollover stand, rollover stand
It is hinged with sliding block, sliding block can be moved along the guide rail being fixed on base；Base is connected through a screw thread screw, and screw is watched by second
Take motor and realize driving；Base is movably set in the slide of lower clapboard, and the driving screw rotation of the second servomotor, can drive
Base and emery wheel are moved forward and backward along the slide of lower clapboard, make cutting edge of the emery wheel patch close or remote from blade；Rollover stand includes parallel
And the first side plate, the second side plate being spaced, first, second side plate is realized by fagging to be spliced, and fagging is in the top of sliding block, sand
Wheel is fixed on the first side plate, the rack and gear ring mutually spliced is fixed with the second side plate, and the center of circle of gear ring is rollover stand
It is consistent with the track of gear ring and the cutting edge track of knife blade with sliding block articulated shaft axle center, rack；3rd servomotor can drive
Dynamic rollover stand is translated and overturn；When the 3rd servomotor spindle rotates forward, drive rack, gear ring simultaneously move forward with movable slider on guide rail
And clockwise upset of the rollover stand around articulated shaft is realized, so as to drive emery wheel to be moved along the track that rack, gear ring form.The party
Case can realize the automatic grinding to the blade of knife blade, be not only able to improve work efficiency, and can obtain sharp journey
Uniform blade is spent, meets the requirement of the high sharpness of knife blade.
Above two scheme is for the special of two kinds of abnormity knife-blade grindings of pruning shear blade and knife blade respectively
Equipment, is specially to be designed according to processed blade shapes on the basis of existing general-purpose grinder, its specificity is relatively strong.
It can be seen from the above that for special-shaped cutter of different shapes, it is necessary to design specific milling apparatus.Such as commonly used in industry shown in Fig. 1
Arc-shaped blade, one of its knife body 700 has circular mounting hole 710, is set for blade to be installed to corresponding cutting
Standby upper, the position on knife body 700 close to mounting hole 710 has a location hole 720, and for installing blade when positions；Knife sheet
The other end both sides of body 700 are respectively blade side 730 and knife spine side 740, are arc-shaped, but simultaneously decentraction, to before blade
End is gradually narrowed, and cutter tooth 731 is distributed with the arc section of blade side 730, and the tow sides of cutter tooth 731 are edge bevel
732, it is necessary to be ground to edge bevel 732 in actual production, but existing grinding machine or above two equipment can not
The blade for completing such a special-shaped blade is ground, it is necessary to a kind of special equipment be designed, to complete blade process requirements.
The content of the invention
1st, to solve the problems, such as
The present invention provides a kind of arc-shaped blade lapping device, and its object is to solve existing equipment for grinding not completing
State the blade processing problems of circular arc blade Inner arc.The lapping device once clamps, you can completes the arc-shaped of arc-shaped blade
The grinding of blade face, the blade face arc being ground is preferable, and tool point angle uniformity is preferable, greatly improves grinding efficiency and quality.
Present invention also offers a kind of method for grinding of arc-shaped knife-blade, using arc-shaped blade lapping device to circle
The arc-shaped blade face of arc cutter is ground, substantially reduce the technical requirements of operative employee, can high-effect high-quality process circular arc
The blade of shape blade, the blade face arc being ground is preferable, and tool point angle uniformity is preferable.
2nd, technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of method for grinding of arc-shaped knife-blade, carries out grinding using lapping device, includes the following steps：
First, blade is installed
Arc-shaped blade to be ground is installed on table assembly.
2nd, blade is ground
The grinding wheel drive mitor driving emery wheel of grinding wheel component rotates；Meanwhile swing mechanism works, driving grinding wheel component is along arc-shaped
The blade side radian of blade carries out arc and swings back and forth, and edge bevel is ground；
The specific course of work of swing mechanism is：Oscillating motor acts, and drives driving gear disc and actuating cam to rotate, actively
Fluted disc and the intermittent engaged transmission of driven gear, actuating cam are engaged with driven roller, and can be according to the outer of actuating cam
Shape promotes slide movement to compress spring；When the arc section of actuating cam is contacted with driven roller, the tooth section of driving gear disc is proper
Good and driven gear engaged transmission, during this period, emery wheel complete once complete grinding along the blade side radian along arc-shaped blade,
Meanwhile swing spring is elongated, energy is stored, and spring is in compressive state；After completing once to be ground, the circle of actuating cam
Segmental arc and driven roller depart from, and driving gear disc and driven gear also depart from, and spring gradually recovers, and are moved after promoting slide, emery wheel with
Blade face departs from, and at this time, under the pulling force effect of swing spring, swing seat backswing, returns to initial cut position, under
Secondary grinding is ready.
As a further improvement, the lapping device includes base, grinding wheel component, table assembly and swing mechanism；Institute
Table assembly is stated to be used to arc-shaped blade to be ground be installed；The grinding wheel component is used to drive emery wheel to rotate, to workbench group
Arc-shaped blade on part is ground；The swing mechanism is arranged on base, it connects grinding wheel component, for driving emery wheel
Component does arc swing.
As a further improvement, the swing mechanism includes Power Component and wobble component；The wobble component includes setting
Put the slide above base, connect the swing seat and swing spring of grinding wheel component, driven shaft is set on slide, swing seat is fixed
On driven shaft；One end connection slide of the swing spring, the other end connect the side of swing seat；
The Power Component is used to drive driven shaft to do intermittent rotation；One end connection driven shaft of the swing seat, and
Supported by the thrust bearing being sleeved on driven shaft, the other end bottom of swing seat is provided with support wheel, and support wheel is supported on cunning
The surface of seat；The Power Component includes motor cabinet and driving gear disc, is provided with oscillating motor on motor cabinet, oscillating motor passes through
Active axis connection driving gear disc；Driven gear is installed on the driven shaft；Having on the driving gear disc can be with driven gear
The tooth section of engaged transmission；
The bottom of the slide is equipped with sliding block, and sliding block is located in the sliding slot on base；Spring is installed in the sliding slot, from
One end of sliding block is compressed；Actuating cam is installed, driven shaft is provided with driven with actuating cam cooperation on the driving shaft
Roller, has arc section on actuating cam, when the arc section of actuating cam coordinates with driven roller, the tooth section on driving gear disc
With driven gear engaged transmission.
As a further improvement, the table assembly includes revolving bed and revolving platform；The revolving platform is arranged on revolution
The top of seat, and driven by turning motor；The revolving platform is equipped with fixing axle and positioning pin, fixing axle and arc-shaped blade
Mounting hole coordinate, the location hole of positioning pin and arc-shaped blade coordinates；It is cased with compressing arc-shaped blade in the fixing axle
Binder spring, is screwed with clamp nut in the fixing axle above binder spring；
Blade is installed to concretely comprising the following steps on table assembly：First, by the mounting hole and location hole of arc-shaped blade
The fixing axle and positioning pin being respectively aligned on revolving platform, put down arc-shaped blade, make its positioning；Then, binder spring pocket is existed
In fixing axle, clamp nut is tightened, arc-shaped blade is fixed, that is, completes the installation of blade.
As a further improvement, revolving platform has three grinding stations, corase grinding station, half fine grinding station and grinding are followed successively by
Station, turning motor driving revolving platform rotate the switching realized between each station.
As a further improvement, grinding angle is adjusted by angle adjusting mechanism before step 2；
The angle adjusting mechanism includes flipping block and drive component, one end connection grinding wheel component of flipping block, the other end
It is connected with the hinged seat in swing seat, drive component driving flipping block rotates；
Grinding angle adjustment concretely comprises the following steps：Motor action is driven, driving upset leading screw rotates, and drives nut along slide
Mobile, nut is rotated further through connecting rod driving flipping block, so that drive grinding wheel component to rotate upwardly and downwardly, it is to be adjusted to required grinding angle
Degree, the stopping action of driving motor.
As a further improvement, after grinding angle adjustment, highly it is adjusted by grinding of the elevating mechanism to emery wheel；
The elevating mechanism includes lifting seat, elevating screw, lifting motor and guide rod, and lifting motor is installed on lifting seat
On, lifting motor connects the lower end of elevating screw, and screw hole is driven cooperation on the upper end of elevating screw and flipping block；The guide rod
Lower end is fixed on lifting seat, and the upper end passes through the pilot hole on flipping block；
The step of grinding of emery wheel is highly adjusted be：Motor work is dropped, drives elevating screw, drives grinding wheel component along lifting
The length direction movement of leading screw, the height for reaching emery wheel are adjusted.
As a further improvement, the grinding wheel component includes grinding wheel stand and grinding wheel drive mitor, grinding wheel stand is fixed on lifting seat；
Grinding wheel drive mitor is installed on grinding wheel stand, it exports axis connection emery wheel.
3rd, beneficial effect
Compared with the prior art, beneficial effects of the present invention are：
(1) the arc-shaped blade lapping device of the present invention, is the mill specially designed for the Roound edge face of arc-shaped blade
Turning equipment, its can be driven by swing mechanism the circular arc edge of a knife of emery wheel along the blade of grinding wheel component do it is arc-shaped swing back and forth, from
And it is ground edge bevel；During work, driven shaft is rotated by wobble component, drives grinding wheel component to rotate by swing seat,
Final position is ground to always from the initial position of edge bevel along edge radian, after completing once to be ground, is swinging bullet
Under spring effect, swing seat drives grinding wheel component to return to initial position, is ground next time, so as to form intermittent mill
Cut, until processing required edge bevel；The lapping device once clamps, you can completes the circular arc of arc-shaped blade one side
The grinding of shape edge bevel, the blade face arc being ground is preferable, and tool point angle uniformity is preferable, and surface smoothness is higher, significantly
Improve grinding efficiency and quality.
(2) the arc-shaped blade lapping device of the present invention, passes through actively between the Power Component and wobble component of swing mechanism
The intermittent engaged transmission of fluted disc and driven gear, each tooth section on driving gear disc can be complete with engaging each time for driven gear
Into the edge bevel grinding of a blade；At anodontia section of driving gear disc, driving gear disc and driven gear are separated, swing spring
Swing seat revolution is driven, returns to initial cut position, is ready for grinding next time.
(3) the arc-shaped blade lapping device of the present invention, in swing mechanism driving gear disc and the intermittent engagement of driven gear pass
Dynamic realization is to coordinate to realize by actuating cam and driven roller, one end of spring pressed slider all the time, make actuating cam and
Driven roller close contact, actuating cam and driven roller are rotatably assorted and promote sliding block to drive footpath of the slide along circular arc cutting edge
Forward or backward, i.e. the advance or retrogressing of emery wheel；Within the period that the arc section of actuating cam coordinates with driven roller, bullet
Spring is compressed to most short, and driving gear disc and driven gear engaged transmission, emery wheel is ground edge bevel, when completing once to be ground
Afterwards, driven roller departs from the arc section of actuating cam, and at this time, grinding wheel component, which not only turns round, returns to initial cut position, meanwhile,
Under the restoring force effect of spring, grinding wheel component also retreats, and emery wheel leaves the contact with blade, ensures that grinding wheel component can be returned smoothly
Initial position, also avoids colliding with blade.
(4) the arc-shaped blade lapping device of the present invention, can change the grinding angle of grinding wheel component by angle adjusting mechanism,
So as to adapt to the grinding of the arc-shaped blade of different tool point angles, this structure is rotated using driving motor driving leading screw, drives nut edge
Guide rail moves, and nut drives brick turning block to rotate upwardly and downwardly by connecting rod, realizes that grinding angle is adjusted, and is to turn by transform linear motion
Dynamic, structure design is simply ingenious, relatively also higher to angle control precision.
(5) the arc-shaped blade lapping device of the present invention, elevating mechanism fit angle adjusting mechanism are used, can be ground every time
After angle adjustment, emery wheel is adjusted to accurate grinding position, while also can adjust stock removal.
(6) the arc-shaped blade lapping device of the present invention, the fixing axle set on the revolving platform of table assembly and positioning pin
The mounting hole and location hole with arc-shaped knife coordinate respectively, and blade can be accurately positioned, and ensure that blade work in-process will not be sent out
Rotate；Meanwhile blade can be adjusted by binder spring compression, thrust by clamp nut, so as to reliably be compressed to blade, be kept away
Exempt from play above and below in grinding process.
(7) the arc-shaped blade lapping device of the present invention, by designing three stations on revolving platform, while fixes three circles
Cambered blade, the corresponding rough grinding wheel of three stations, half finishing wheel and grinding wheel successively roughly grind blade, half refines
And grinding, it can obtain the edge bevel of high quality.
(8) method of the invention is ground the arc-shaped blade face of circular arc knife using arc-shaped blade lapping device,
Substantially reduce the technical requirements of operative employee, can high-effect high-quality the blade for processing arc-shaped blade, the blade face being ground
Arc is preferable, and tool point angle uniformity is preferable.
Brief description of the drawings
Fig. 1 for the present invention the lapping device cambered blade to be ground structure diagram；
Fig. 2 is the main structure diagram of the arc-shaped blade lapping device of the present invention；
Fig. 3 is the overlooking the structure diagram of the arc-shaped blade lapping device of the present invention；
Fig. 4 is the engaged transmission schematic diagram of driving gear disc and driven gear in lapping device of the invention；
Fig. 5 is the cooperation tradition schematic diagram of actuating cam and driven roller in lapping device of the invention；
Fig. 6 is the working state schematic representation that installation circular arc blade is ground on revolving platform in lapping device of the invention.
Label in attached drawing is respectively：
100th, base；110th, sliding slot；120th, spring；
200th, swing mechanism；210th, Power Component；211st, motor cabinet；212nd, oscillating motor；213rd, driving shaft；214th, actively
Fluted disc；215th, actuating cam；220th, wobble component；221st, slide；222nd, swing seat；223rd, driven shaft；224th, driven gear；
225th, driven roller；226th, support wheel；227th, thrust bearing；228th, swing spring；229th, sliding block；
300th, grinding wheel component；310th, grinding wheel stand；320th, grinding wheel drive mitor；330th, emery wheel；
400th, table assembly；410th, revolving bed；420th, revolving platform；421st, fixing axle；422nd, positioning pin；423rd, locking screw
It is female；424th, arc gap；430th, pivoting support；440th, turning motor；450th, swiveling gear；
500th, angle adjusting mechanism；510th, flipping block；520th, hinged seat；530th, slide；540th, nut；550th, silk is overturn
Thick stick；560th, motor is driven；570th, connecting rod；
600th, elevating mechanism；610th, elevating screw；620th, lifting motor；630th, guide rod；
700th, knife body；710th, mounting hole；720th, location hole；730th, blade side；731st, cutter tooth；732nd, edge bevel；
740th, knife spine side.
Embodiment
The present invention is further described below with reference to specific embodiments and the drawings.
Embodiment 1
As shown in Figure 2 and Figure 3, a kind of arc-shaped blade lapping device of the present embodiment, it is mainly completed to circle shown in Fig. 1
The grinding of cambered blade blade, one of knife body 700 has circular mounting hole 710 in the arc-shaped blade, is used for
Blade is installed on corresponding cutting equipment, the position on knife body 700 close to mounting hole 710 has a location hole 720, uses
Positioned when blade is installed；The other end both sides of knife body 700 are respectively blade side 730 and knife spine side 740, are arc-shaped,
But simultaneously decentraction, is gradually narrowed to the front end of blade, and cutter tooth 731 is distributed with the arc section of blade side 730, and cutter tooth 731
Tow sides be edge bevel 732, it is necessary to be ground to edge bevel 732 in actual production, and blade side 730
Intrados, general grinding machine can not grinding, this is also the purpose of design of this lapping device.
The device of the present embodiment mainly include base 100, swing mechanism 200, grinding wheel component 300, table assembly 400,
Angle adjusting mechanism 500 and the grade of elevating mechanism 600 part；Wherein, table assembly 400 is used to install arc-shaped knife to be ground
Piece, grinding wheel component 300 are used to drive emery wheel 330 to rotate, the arc-shaped blade on table assembly 400 are ground, swing
Mechanism 200 is used to drive grinding wheel component 300 to do arc swing, 330 movement locus of emery wheel is matched with blade arc surface, angle
Adjusting mechanism 500 is used for the grinding angle for adjusting emery wheel 330, adapts to different tool point angle grindings, and elevating mechanism 600 then coordinates
The adjusting of angle adjusting mechanism 500, makes emery wheel 330 be in contact with arc-shaped blade face, and adjusts stock removal；Pass through this several portion
The organic assembling divided, can complete the grinding to the edge bevel 732 of arc-shaped blade.The structure of each several part is carried out in detail below
Explanation.
Table assembly 400 mainly includes revolving bed 410, revolving platform 420 and turning motor 440；Wherein, revolving platform 420
As the fixed platform of workpiece, it is rotatably provided in revolving bed 410, and revolving platform 420 is fixed on by pivoting support 430 herein
The top of revolving bed 410, it is ensured that supporting ＆ stablizing, stability of rotation；Turning motor 440 is installed on revolving bed 410, its output shaft connects
Rotating disk 450, swiveling gear 450 and the engaged transmission of pivoting support 430 are taken back, so that turning motor 440 can drive revolving platform 420
Rotate.What deserves to be explained is according to the shape and structure of circular arc blade, the fixed structure progress to 420 cutter of revolving platform is ingenious
Design, as shown in fig. 6, revolving platform 420 is equipped with fixing axle 421 and positioning pin 422, fixing axle 421 and the peace of arc-shaped blade
Dress hole 710 coordinates, and positioning pin 422 and the location hole 720 of arc-shaped blade coordinate, and ensures that blade work in-process will not be sent out and turns
It is dynamic；Meanwhile it is cased with compressing the binder spring of arc-shaped blade in fixing axle 421, it is screwed in the fixing axle 421 above binder spring
There are clamp nut, compressible blade, thrust can be adjusted by clamp nut, so as to reliably compress blade, avoid being ground
Play above and below in journey；Also, arc-shaped blade is installed on revolving platform 420, its blade side 730 is outside, 420 cutter of revolving platform
Installation site be correspondingly provided with gap, the shape of gap is consistent with blade side 730, so that on the one hand detectable blade installation is fixed
Whether position is accurate, on the other hand can avoid blade working position, avoids producing interference to processing.
In addition, according to the requirement of different grinding process, multiple grinding stations, such as this reality can be designed on revolving platform 420
Applying example needs to roughly grind blade, partly refines and grind, therefore revolving platform 420 has three stations, that is, with three groups
Fixing axle 421 and positioning pin 422, three stations correspond to three grinding wheel components 300, can install three arc-shaped blades at the same time, and three
Rough grinding wheel, half finishing wheel and grinding wheel is respectively adopted in emery wheel 330 in a grinding wheel component 300, is completed in a upper station
After grinding, revolving platform 420 turns to next station and carries out grinding, and the edge bevel of qualification is can obtain by being ground three times
732.Certainly, because blade has positive and negative, i.e. the positive and negative both sides of blade all have edge bevel 732, can on same station
Two pairs of fixing axles 421 and positioning pin 422 are set, to adapt to the fixed installation of positive and negative so that both sides edge bevel 732 can add
Work.
In the present embodiment, swing mechanism 200 is arranged on base 100, it connects angle adjusting mechanism 500, it is mainly wrapped
Include 220 two large divisions of Power Component 210 and wobble component.Wherein, wobble component 220 includes being arranged on the cunning of the top of base 100
Seat 221, the swing seat 222 and swing spring 228 for connecting angle adjusting mechanism 500, driven shaft 223 is set on slide 221, driven
223 lower end of axis is rotatably arranged in slide 221, and one end of swing seat 222 is fixed on driven shaft 223, and driven by being sleeved on
Thrust bearing 227 on axis 223 supports, and the other end bottom of swing seat 222 is provided with support wheel 226, and support wheel 226 is supported on
The surface of slide 221, so that it is circular rotatable that support wheel 226, which can support swing seat 222 around driven shaft 223,；Swing spring 228
One end connects slide 221, and the other end connects the side of swing seat 222.
Power Component 210 is used to drive driven shaft 223 to do intermittent rotation, and specifically, it mainly includes 211 He of motor cabinet
Driving gear disc 214, oscillating motor 212 is provided with motor cabinet 211, and oscillating motor 212 passes through driving shaft 213 and connects driving gear disc
214；Driven gear 224 is installed, having on driving gear disc 214 can be with the tooth of the engaged transmission of driven gear 224 on driven shaft 223
Section.In the present embodiment, driven gear 224 is spur gear wheel, and has two tooth sections on driving gear disc 214, into 180 ° points
Cloth, every section of tooth engage with driven gear 224 and once can all complete the edge bevel 732 of a blade and be ground, such driving gear disc
214 often rotate a circle, and can complete to be ground twice；And at anodontia section of driving gear disc 214, driving gear disc 214 and driven gear 224
Phase separation, swing spring 228 drive swing seat 222 to turn round, and return to initial cut position, are ready for grinding next time.
It should be strongly noted that in the present embodiment, the bottom of slide 221 is equipped with sliding block 229, and sliding block 229 is located at base
In sliding slot 110 on 100, spring 120 is installed in sliding slot 110, is compressed from one end of sliding block 229 by sliding block 229；With reference to Fig. 2
Shown in Fig. 5, actuating cam 215 is installed on driving shaft 213, driven shaft 223 is provided with the cylinder coordinated with actuating cam 215
Driven roller 225, on actuating cam 215 with 214 corresponding two sections of arc sections into 180 ° of distributions of driving gear disc, when actively
When the arc section of cam 215 coordinates with driven roller 225, tooth section and the engaged transmission of driven gear 224 on driving gear disc 214.
It can be seen from the above that the realization of driving gear disc 214 and the intermittent engaged transmission of driven gear 224 is to pass through actively in swing mechanism 200
Cam 215 and driven roller 225, which coordinate, to be realized, one end of the pressed slider 229 all the time of spring 120, makes actuating cam 215 and driven
Roller 225 is in close contact, and actuating cam 215 and driven roller 225 are rotatably assorted and promote sliding block 229 to drive 221 edge of slide
The footpath of blade circular arc cutting edge forward or backward, i.e. the advance or retrogressing of emery wheel 330；Actuating cam 215 arc section with from
In the period that dynamic roller 225 coordinates, spring 120 is compressed to most short, driving gear disc 214 and the engaged transmission of driven gear 224, sand
330 pairs of edge bevels 732 of wheel are ground, and after completing once to be ground, driven roller 225 departs from the circular arc of actuating cam 215
Section, at this time, grinding wheel component 300, which not only turns round, returns to initial cut position, meanwhile, under the restoring force effect of spring 120, emery wheel
Component 300 retreats, and emery wheel 330 leaves the contact with blade, ensures that grinding wheel component 300 can smoothly return to initial position, also avoids
Collide with blade.
Angle adjusting mechanism 500 is arranged on swing seat 222, it connects grinding wheel component 300 by elevating mechanism 600.Specifically
Ground, angle adjusting mechanism 500 mainly include flipping block 510 and drive component；Wherein, one end connection emery wheel group of flipping block 510
Part 300, the other end are connected with the hinged seat 520 in swing seat 222, and drive component driving flipping block 510 rotates.The present embodiment
In, drive component includes slide 530, upset leading screw 550, driving motor 560 and the connecting rod 570 being arranged in swing seat 222；Its
In, nut 540 is provided with slide 530, upset leading screw 550 is sequentially connected with nut 540, the driving driving upset silk of motor 560
Thick stick 550 rotates；One end attaching nut 540 of connecting rod 570, other end connection flipping block 510.It can be seen from the above that pass through angular adjustment
Mechanism 500 can change the grinding angle of grinding wheel component 300, so as to adapt to the arc-shaped blade grinding of different tool point angles, this structure
Drive leading screw to rotate using driving motor 560, drive nut 540 to be moved along slide 530, and nut 540 is driven by connecting rod 570
Flipping block 510 rotates upwardly and downwardly, and realizes that grinding angle is adjusted, by transform linear motion to rotate, structure design is simply ingenious, diagonally
It is relatively also higher to spend control accuracy.
After angle adjusting mechanism 500 is to the grinding angle adjustment of grinding wheel component 300, grinding wheel component 300 is necessarily accompanied with
The change of height is put, thus needs emery wheel 330 being adjusted to suitably grinding height again；Meanwhile also for can adapt to
Requirement of the grinding process to stock removal is unable to, 330 height of emery wheel is also required to adjust；Therefore, the present embodiment passes through elevating mechanism 600
To be adjusted to 300 height of grinding wheel component.Specifically, elevating mechanism 600 mainly includes lifting seat, elevating screw 610, lifting
Motor 620 and guide rod 630；Wherein, lifting motor 620 is installed on lifting seat, and lifting motor 620 connects elevating screw 610
Lower end, the upper end of elevating screw 610 coordinate with screw hole transmission on flipping block 510；Guide rod 630 has two, positioned at elevating screw
610 both sides symmetric position, the lower end of guide rod 630 are fixed on lifting seat, and the upper end passes through the pilot hole on flipping block 510,
Moving up and down for grinding wheel component 300 is oriented to, reduces influence of the lead screw transmission gap to kinematic accuracy；And elevating mechanism
600 connect grinding wheel component 300 by lifting seat., can be it can be seen from the above that 600 fit angle adjusting mechanism 500 of elevating mechanism uses
After each grinding angle adjustment, emery wheel 300 is set to adjust to accurate grinding position, while also can adjust stock removal.
In the present embodiment, grinding wheel component 300 mainly includes grinding wheel stand 310 and grinding wheel drive mitor 320；Wherein, grinding wheel stand 310 is solid
It is scheduled on lifting seat, grinding wheel drive mitor 320 is installed on grinding wheel stand 310, it exports axis connection emery wheel 330.
The lapping device of the present embodiment is the equipment for grinding specially designed for the Roound edge face 732 of arc-shaped blade,
Once clamp, you can complete the grinding of the arc-shaped edge bevel 732 of arc-shaped blade one side, the blade face arc being ground compared with
Good, tool point angle uniformity is preferable, and each position blade angular difference is usually no more than 0.1 °, and surface smoothness is higher, and reachable 0.04, significantly
Improve grinding efficiency and quality.
Embodiment 2
A kind of method for grinding of arc-shaped knife-blade of the present embodiment, it uses the lapping device in embodiment 1 to such as
Arc-shaped blade shown in Fig. 1 carries out grinding, is ground edge bevel 732.The specific steps of operation are carried out in detail below
Explanation.
First, blade is installed
Arc-shaped blade to be ground is installed on table assembly 400.Specifically：First, by the peace of arc-shaped blade
Dress hole 710 and location hole 720 are respectively aligned to fixing axle 421 and positioning pin 422 on revolving platform 420, put down arc-shaped blade, make
It is positioned；Then, binder spring pocket is tightened into clamp nut in fixing axle 421, arc-shaped blade is fixed, that is, completes knife
The installation of piece.
2nd, grinding angle adjusts
First, three emery wheels 330 are chosen, is respectively rough grinding wheel, half finishing wheel and grinding wheel, they is pacified successively
It is attached on the grinding wheel component 300 of three stations；Then, the grinding angle of grinding wheel component is carried out by angle adjusting mechanism 500
Adjustment.Grinding angle adjustment concretely comprises the following steps：Driving motor 560 acts, and driving upset leading screw 550 rotates, and drives nut 540
Moved along slide 530, nut 540 drives flipping block 510 to rotate further through connecting rod 570, so as to drive grinding wheel component to turn about 300
It is dynamic, it is to be adjusted to arrive required grinding angle, the 560 stopping action of driving motor.
4th, wheel grinding is highly adjusted
After step 3, highly it is adjusted by grinding of the elevating mechanism 600 to emery wheel 330, is specially：Lifting electricity
Machine 620 works, and drives elevating screw 610, drives grinding wheel component 300 to be moved along the length direction of elevating screw 610, reaches emery wheel
330 height is adjusted.
5th, blade is ground
The grinding wheel drive mitor 320 of grinding wheel component 300 drives emery wheel 330 to rotate；Meanwhile swing mechanism 200 works, emery wheel is driven
730 radian of blade side of component 300 along arc-shaped blade carries out arc and swings back and forth, and edge bevel 732 is ground.Swing
The 200 specific course of work of mechanism is：Oscillating motor 212 acts, and drives driving gear disc 214 and actuating cam 215 to rotate, actively
Fluted disc 214 and the intermittent engaged transmission of driven gear 224, actuating cam 215 are engaged with driven roller 225, and can basis
The shape of actuating cam 215 promotes slide 221 to move to compress spring 120；When the arc section and driven roller of actuating cam 215
During 225 contact, the tooth section of driving gear disc 214 just and driven gear 224 engaged transmission, during this period, emery wheel 300 is along circular arc
730 radian of blade side of shape blade completes once complete grinding, meanwhile, swing spring 228 is elongated, storage energy, and spring
120 are in compressive state；After completing once to be ground, arc section and the driven roller 225 of actuating cam 215 depart from, driving tooth
Disk 214 and driven gear 224 also depart from, and spring 120 gradually recovers, and are moved after promoting slide 221, emery wheel 330 takes off with blade face
From at this time, under the pulling force effect of swing spring 228,222 backswing of swing seat, returns to initial cut position, for mill next time
Cut and be ready.
In this step, it is necessary to explanation, blade needs to be roughly ground by three stations, half fine grinding and grinding process
The product of qualification can be just obtained, after station completion corase grinding is being roughly ground, the driving revolution of turning motor 440 of table assembly 400
120 ° of 420 turn of platform reaches half fine grinding station and partly refine；After half fine grinding is completed, revolving platform 420 rotates 120 ° again and arrives
It is ground up to ground station, after completing grinding, edge bevel 732 can reach design requirement.
After the edge bevel 732 of the side of circular arc blade is ground, blade can be overturn one side, repeated the above steps, i.e.,
732 grinding of edge bevel of opposite side can be completed, so as to obtain complete blade.Also, can at the same time to three blades into
Row grinding, and three blades are respectively at the different phase of grinding, realize continuous production.
Example of the present invention is only that the preferred embodiment of the present invention is described, not to present inventive concept and
Scope is defined, on the premise of design philosophy of the present invention is not departed from, technology of this area engineers and technicians to the present invention
The various modifications and improvement that scheme is made, should all fall into protection scope of the present invention.
Claims (8)
1. a kind of method for grinding of arc-shaped knife-blade, carries out grinding using lapping device, includes the following steps：
First, blade is installed
Arc-shaped blade to be ground is installed on table assembly (400).
2nd, blade is ground
Grinding wheel drive mitor (320) the driving emery wheel (330) of grinding wheel component (300) rotates；Meanwhile swing mechanism (200) works, driving
Grinding wheel component (300) along arc-shaped blade blade side (730) radian carry out arc swing back and forth, to edge bevel (732) into
Row grinding；
Specifically the course of work is swing mechanism (200)：Oscillating motor (212) acts, and driving driving gear disc (214) and active are convex
Take turns (215) to rotate, driving gear disc (214) and the intermittent engaged transmission of driven gear (224), actuating cam (215) and driven rolling
Wheel (225) is engaged, and according to the shape of actuating cam (215) slide (221) can be promoted mobile to compress spring (120)；
When the arc section of actuating cam (215) is contacted with driven roller (225), the tooth section of driving gear disc (214) is just and driven tooth
(224) engaged transmission is taken turns, during this period, emery wheel (300) is completed once complete along blade side (730) radian along arc-shaped blade
Grinding, meanwhile, swing spring (228) is elongated, and stores energy, and spring (120) is in compressive state；When completion is once ground
Afterwards, the arc section of actuating cam (215) departs from driven roller (225), and driving gear disc (214) and driven gear (224) also take off
From spring (120) gradually recovers, and promotes slide (221) to move afterwards, and emery wheel (330) departs from blade face, at this time, is swinging bullet
Under the pulling force effect of spring (228), swing seat (222) backswing, returns to initial cut position, is ready for grinding next time.
A kind of 2. method for grinding of arc-shaped knife-blade according to claim 1, it is characterised in that：The lapping device
Including base (100), grinding wheel component (300), table assembly (400) and swing mechanism (200)；The table assembly
(400) it is used to arc-shaped blade to be ground be installed；The grinding wheel component (300) is used to drive emery wheel (330) to rotate, to workbench
Arc-shaped blade on component (400) is ground；The swing mechanism (200) is arranged on base (100), it connects emery wheel
Component (300), for driving grinding wheel component (300) to do arc swing.
A kind of 3. method for grinding of arc-shaped knife-blade according to claim 2, it is characterised in that：The swing mechanism
(200) Power Component (210) and wobble component (220) are included；The wobble component (220) includes being arranged on base (100)
The slide (221) of side, the swing seat (222) and swing spring (228) of connection grinding wheel component (300), on slide (221) setting from
Moving axis (223), swing seat (222) are fixed on driven shaft (223)；One end connection slide of the swing spring (228)
(221), the side of other end connection swing seat (222)；
The Power Component (210) is used to drive driven shaft (223) to do intermittent rotation；One end of the swing seat (222) connects
Driven shaft (223) is connect, and the thrust bearing (227) by being sleeved on driven shaft (223) supports, the other end of swing seat (222)
Bottom is provided with support wheel (226), and support wheel (226) is supported on the surface of slide (221)；The Power Component (210) includes
Motor cabinet (211) and driving gear disc (214), are provided with oscillating motor (212) on motor cabinet (211), oscillating motor (212) passes through
Driving shaft (213) connection driving gear disc (214)；Driven gear (224) is installed on the driven shaft (223)；The driving tooth
Having on disk (214) can be with the tooth section of driven gear (224) engaged transmission；
The bottom of the slide (221) is equipped with sliding block (229), and sliding block (229) is located in the sliding slot (110) on base (100)；Institute
State and spring (120) is installed in sliding slot (110), compressed from one end of sliding block (229)；Installed on the driving shaft (213)
Actuating cam (215), driven shaft (223) are provided with the driven roller (225) coordinated with actuating cam (215), actuating cam
(215) there is arc section on, when the arc section of actuating cam (215) coordinates with driven roller (225), driving gear disc (214)
On tooth section and driven gear (224) engaged transmission.
A kind of 4. method for grinding of arc-shaped knife-blade according to claim 1, it is characterised in that：The workbench group
Part (400) includes revolving bed (410) and revolving platform (420)；The revolving platform (420) is arranged on the top of revolving bed (410), and
Driven by turning motor (440)；The revolving platform (420) is equipped with fixing axle (421) and positioning pin (422), fixing axle
(421) mounting hole (710) with arc-shaped blade coordinates, and positioning pin (422) and the location hole (720) of arc-shaped blade coordinate；
It is cased with compressing the binder spring of arc-shaped blade on the fixing axle (421), is screwed in the fixing axle (421) above binder spring
There is clamp nut；
Blade is installed to concretely comprising the following steps on table assembly (400)：First, by the mounting hole (710) of arc-shaped blade and
Location hole (720) is respectively aligned to fixing axle (421) and positioning pin (422) on revolving platform (420), puts down arc-shaped blade, makes
It is positioned；Then, binder spring pocket is tightened into clamp nut in fixing axle (421), arc-shaped blade is fixed, that is, is completed
The installation of blade.
A kind of 5. method for grinding of arc-shaped knife-blade according to claim 4, it is characterised in that：Revolving platform (420)
With three grinding stations, corase grinding station, half fine grinding station and ground station, turning motor (440) driving revolving platform are followed successively by
(420) switching realized between each station is rotated.
A kind of 6. method for grinding of arc-shaped knife-blade according to claim 3, it is characterised in that：Before step 2
Grinding angle is adjusted by angle adjusting mechanism (500)；
The angle adjusting mechanism (500) includes flipping block (510) and drive component, one end connection emery wheel of flipping block (510)
Component (300), the other end are connected with the hinged seat (520) in swing seat (222), and drive component driving flipping block (510) rotates；
Grinding angle adjustment concretely comprises the following steps：Motor (560) action is driven, driving upset leading screw (550) rotates, and drives nut
(540) mobile along slide (530), nut (540) is rotated further through connecting rod (570) driving flipping block (510), so as to drive emery wheel
Component (300) rotates upwardly and downwardly, to be adjusted to arrive required grinding angle, driving motor (560) stopping action.
A kind of 7. method for grinding of arc-shaped knife-blade according to claim 6, it is characterised in that：Grinding angle adjusts
Afterwards, highly it is adjusted by grinding of the elevating mechanism (600) to emery wheel (330)；
The elevating mechanism (600) includes lifting seat, elevating screw (610), lifting motor (620) and guide rod (630), lifting electricity
Machine (620) be installed on lifting seat on, lifting motor (620) connection elevating screw (610) lower end, elevating screw (610) it is upper
End coordinates with screw hole transmission on flipping block (510)；The lower end of the guide rod (630) is fixed on lifting seat, and the upper end passes through and turns over
Pilot hole on switch block (510)；
The step of grinding of emery wheel (330) is highly adjusted be：Motor (620) work is dropped, and driving elevating screw (610), drives sand
Wheel assembly (300) is moved along the length direction of elevating screw (610), and the height for reaching emery wheel (330) is adjusted.
A kind of 8. method for grinding of arc-shaped knife-blade according to claim 7, it is characterised in that：The grinding wheel component
(300) grinding wheel stand (310) and grinding wheel drive mitor (320) are included, grinding wheel stand (310) is fixed on lifting seat；Grinding wheel drive mitor (320) is pacified
On grinding wheel stand (310), it exports axis connection emery wheel (330).
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| CN201711190868.2A CN107962459B (en) | 2017-11-24 | 2017-11-24 | A kind of method for grinding of arc-shaped knife-blade |
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| CN201711190868.2A CN107962459B (en) | 2017-11-24 | 2017-11-24 | A kind of method for grinding of arc-shaped knife-blade |
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| CN108655840A (en) * | 2018-05-14 | 2018-10-16 | 柳州市立丰刀片制造有限责任公司 | A kind of processing unit (plant) and its application method of double-faced toothed knife-blade |
| CN110281319A (en) * | 2019-06-28 | 2019-09-27 | 福建虞牌实业有限公司 | A kind of rapid processing equipment of wooden umbrella handle |
| CN110961990A (en) * | 2019-12-17 | 2020-04-07 | 成都冠禹科技有限公司 | Blade edging device for medicinal material crushing blade processing equipment |
| CN111673550A (en) * | 2020-07-02 | 2020-09-18 | 山东立连智能设备有限公司 | Automatic turnover type knife sharpener |
| CN112123039A (en) * | 2020-10-23 | 2020-12-25 | 广东省机械研究所有限公司 | Automatic grinding and polishing machine for arc knife |
| CN114670065A (en) * | 2022-05-30 | 2022-06-28 | 徐州双虎金属工具制造有限公司 | Cable cutter component processing device |
| CN114770238A (en) * | 2022-05-26 | 2022-07-22 | 冯兴垚 | Knife sharpener for wood cutting knife |
| CN115431164A (en) * | 2022-07-20 | 2022-12-06 | 烟台职业学院 | Electronic control wafer flatness processing chemical mechanical polishing equipment |
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| CN114770238A (en) * | 2022-05-26 | 2022-07-22 | 冯兴垚 | Knife sharpener for wood cutting knife |
| CN114670065A (en) * | 2022-05-30 | 2022-06-28 | 徐州双虎金属工具制造有限公司 | Cable cutter component processing device |
| CN115431164A (en) * | 2022-07-20 | 2022-12-06 | 烟台职业学院 | Electronic control wafer flatness processing chemical mechanical polishing equipment |
| CN115431164B (en) * | 2022-07-20 | 2023-09-29 | 烟台职业学院 | Electronic control wafer flatness processing chemical mechanical polishing equipment |
| CN115533748A (en) * | 2022-10-17 | 2022-12-30 | 张家港中天达工具有限公司 | Multi-station wire cutting pliers blade clamp for grinding and control method thereof |
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