CN107962459B - 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 PDF

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Publication number
CN107962459B
CN107962459B CN201711190868.2A CN201711190868A CN107962459B CN 107962459 B CN107962459 B CN 107962459B CN 201711190868 A CN201711190868 A CN 201711190868A CN 107962459 B CN107962459 B CN 107962459B
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China
Prior art keywords
grinding
arc
blade
grinding wheel
driving
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CN201711190868.2A
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CN107962459A (en
Inventor
陶文
徐强
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Ma'anshan Licheng Blade Manufacturing Plant
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Ma'anshan Licheng Blade Manufacturing Plant
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/58Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of tools having scalloped cutting edges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/0023Other grinding machines or devices grinding machines with a plurality of working posts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/0069Other grinding machines or devices with means for feeding the work-pieces to the grinding tool, e.g. turntables, transfer means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/0076Other grinding machines or devices grinding machines comprising two or more grinding tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/10Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/16Drives 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: firstly, arc-shaped blade to be ground is installed on table assembly;Then, selection grinding wheel is installed on grinding wheel component, and the grinding angle of grinding wheel is adjusted by angle adjusting mechanism;Then, wheel grinding height is adjusted by elevating mechanism;Finally, driving grinding wheel component by swing mechanism, grinding wheel is made to carry out grinding to the edge bevel of arc-shaped blade;It is refined by corase grinding, half and grinding obtains qualified knife-blade.This method is ground the arc-shaped blade face of circular arc knife using arc-shaped blade grinding 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 consistency is preferable.

Description

A kind of method for grinding of arc-shaped knife-blade
Technical field
The invention belongs to tool grinding technical fields, are 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 technique
Grinding is one of precision machined main method of machine parts using relatively broad.Grinding machine is to utilize grinding tool, Such as grinding wheel, the lathe of grinding is carried out to workpiece surface.Grinding machine is capable of processing the higher material of hardness, as hardened steel, hard close Gold etc.: being also capable of processing fragile material, such as glass, granite.Grinding machine can make the grinding of high-precision and surface roughness very little, also can Carry out efficient grinding, such as high-rate grinding.
In the blades 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, 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, Special-shaped blade in irregular shape is difficult to operate, is usually all specially to design targetedly grinding according to blade shapes to set It is standby.
For example, Chinese Patent Application No. are as follows: 201610504865.0, publication date are as follows: the text of patent on the 31st of August in 2016 It offers, discloses a kind of rotating disc type full-automatic blade milling drum, including station, station is equipped with point by step motor control Scale, index dial are set on station by turntable, are equally spacedly provided on index dial several for clamping pruner The jig of piece, station are equipped with several for being ground the grinding mechanism and and milling drum of the pruning shear blade clamped on jig The corresponding support rod of structure;The grinding mechanism includes the rack being rotatably dispose on station, one end of rack and support 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 driving 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 improves grinding accuracy and processing efficiency.
For another example, Chinese Patent Application No. are as follows: 201510146804.7, publication date are as follows: the patent text on June 24th, 2015 It offers, discloses a kind of sharpening mechanism for knife blade cutting edge automatic grinding device, it includes grinding wheel, and grinding wheel is passed by belt Motivation structure connects first servo motor, and first servo motor can drive grinding wheel to rotate;Grinding wheel is fixedly connected with rollover stand, rollover stand Hinged with sliding block, sliding block can be moved along the guide rail being fixed on the base;Pedestal is connected through a screw thread screw rod, and screw rod is watched by second It takes motor and realizes driving;Pedestal is movably set in the sliding rail of lower clapboard, and the second servo motor drives screw rod rotation, and is able to drive Pedestal and grinding wheel are moved forward and backward along the sliding rail of lower clapboard, make grinding wheel patch close or remote from the cutting edge of blade;Rollover stand includes parallel And the first side plate, the second side plate being spaced, the 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 gear and gear ring mutually spliced is fixed on the second side plate, and the center of circle of gear ring is rollover stand With sliding block articulated shaft axle center, rack gear is consistent with the cutting edge track of knife blade with the track of gear ring;Third servo motor can drive Dynamic rollover stand is translated and is overturn;When third servomotor spindle rotates forward, drive rack, gear ring simultaneously move forward on guide rail with movable slider And rollover stand turning clockwise around articulated shaft is realized, so that the track for driving grinding wheel to form along rack gear, gear ring moves.The party Case can be realized the automatic grinding to the blade of knife blade, be not only able to improve working efficiency, and can obtain sharp journey Uniform blade is spent, the requirement of the high sharpness of knife blade is met.
Above two scheme is for the dedicated of two kinds of abnormity knife-blades grindings of pruning shear blade and knife blade respectively Equipment is specially to be designed on the basis of existing general-purpose grinder according to processed blade shapes, and specificity is relatively strong. It can be seen that being directed to special-shaped cutter of different shapes, need to design specific milling apparatus.Such as it is commonly used shown in Fig. 1 in industry Arc-shaped blade, one of knife ontology 700 has circular mounting hole 710, sets for blade to be installed to corresponding cutting It is standby upper, there is a location hole 720, positioning when for installing blade close to the position of mounting hole 710 on knife ontology 700;Knife sheet Another both sides of head of body 700 is respectively blade side 730 and knife spine side 740, is arc-shaped, but simultaneously decentraction, to before blade End is gradually narrowed, and cutter tooth 731 is distributed on the arc section of blade side 730, and the tow sides of cutter tooth 731 are edge bevel 732, it in actual production, needs to be ground edge bevel 732, but existing grinding machine or above two equipment can not The blade grinding for completing such special-shaped blade, needs to design a kind of special equipment, to complete blade process requirements.
Summary of the invention
1, it to solve the problems, such as
The present invention provides a kind of arc-shaped blade grinding device, and its object is to solve existing equipment for grinding to be unable to complete State the blade processing problems of circular arc blade Inner arc.The grinding device once clamps, and the arc-shaped of arc-shaped blade can be completed The grinding of blade face, the blade face arc being ground is preferable, and tool point angle consistency is preferable, greatly improves grinding efficiency and quality.
The present invention also provides a kind of method for grinding of arc-shaped knife-blade, using arc-shaped blade grinding device to circle The arc-shaped blade face of arc cutter is ground, the technical requirements of operative employee are substantially reduced, 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 consistency is preferable.
2, 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 grinding device, includes the following steps:
One, blade is installed
Arc-shaped blade to be ground is installed on table assembly.
Two, blade is ground
The grinding wheel motor driving grinding wheel rotation of grinding wheel component;Meanwhile swing mechanism works, and drives grinding wheel component along arc-shaped The blade side radian of blade carries out arc and swings back and forth, and is ground to edge bevel;
The specific course of work of swing mechanism are as follows: oscillating motor movement drives driving gear disc and actuating cam rotation, 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 pushes slide mobile with compressed spring;When the arc section of actuating cam and driven roller contact, the tooth section of driving gear disc is proper Good and driven gear engaged transmission, during this period, grinding wheel complete primary complete grinding along the blade side radian of arc-shaped blade, together When, swing spring is elongated, energy is stored, and spring is in compressive state;After completing primary grinding, the circular arc of actuating cam Section is detached from driven roller, and driving gear disc and driven gear are also detached from, and spring is gradually recovered, and pushes slide to move back, grinding wheel and knife Piece surface is detached from, at this point, swing seat backswing returns to initial cut position under the pulling force effect of swing spring, for next time Grinding is ready.
As a further improvement, the grinding device includes pedestal, grinding wheel component, table assembly and swing mechanism;Institute Table assembly is stated for installing arc-shaped blade to be ground;The grinding wheel component is for driving grinding wheel to rotate, to workbench group Arc-shaped blade on part is ground;The swing mechanism is set on the base, and grinding wheel component is connected, for driving grinding wheel Component does arc swing.
As a further improvement, the swing mechanism includes Power Component and wobble component;The wobble component includes setting Driven shaft is arranged on slide in the swing seat and swing spring set slide above pedestal, connect grinding wheel component, and swing seat is fixed On driven shaft;One end of the swing spring connects slide, and the other end connects the side of swing seat;
The Power Component is for driving driven shaft to do intermittent rotation;One end of the swing seat connects driven shaft, and By covering the support of the thrust bearing 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, and oscillating motor is equipped on motor cabinet, and 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 pedestal;Spring is installed in the sliding slot, from One end of sliding block compresses it;Actuating cam is installed, driven shaft is equipped with driven with actuating cam cooperation on the driving shaft Idler wheel has arc section on actuating cam, the tooth section when the arc section of actuating cam and driven roller cooperate, 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 setting is being turned round 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 cooperation, the location hole of positioning pin and arc-shaped blade cooperates;It is cased in the fixing axle and compresses arc-shaped blade Binder spring is screwed with clamp nut in the fixing axle above binder spring;
Blade is installed to the specific steps on table assembly are as follows: firstly, 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 tool there are three station is ground, is followed successively by corase grinding station, half fine grinding station and grinding Station, turning motor drive revolving platform rotation to realize the switching 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 driving assembly, and one end of flipping block connects grinding wheel component, the other end It is connect with the hinged seat in swing seat, driving assembly drives flipping block rotation;
The specific steps of grinding angle adjustment are as follows: driving motor movement, driving overturning lead screw rotation drive nut along sliding rail Mobile, nut is rotated further through connecting rod driving flipping block, so that grinding wheel component is driven to rotate upwardly and downwardly, it is to be adjusted to arrive required grinding angle Degree, driving motor stopping movement.
As a further improvement, being adjusted after grinding angle adjustment by grinding height of the elevating mechanism to grinding wheel;
The elevating mechanism includes lifting seat, elevating screw, lifting motor and guide rod, and lifting motor is mounted on lifting seat On, lifting motor connects the lower end of elevating screw, screw hole transmission 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 height adjustment of grinding wheel are as follows: lifting motor work drives elevating screw, drives grinding wheel component along liter The length direction movement for dropping lead screw, reaches the height adjustment of grinding wheel.
As a further improvement, the grinding wheel component includes grinding wheel stand and grinding wheel motor, grinding wheel stand is fixed on lifting seat; Grinding wheel motor is mounted on grinding wheel stand, exports axis connection grinding wheel.
3, beneficial effect
Compared with the prior art, the invention has the benefit that
(1) the arc-shaped blade grinding device of the present invention is the mill specially designed for the Roound edge face of arc-shaped blade Turning equipment, by swing mechanism can drive the grinding wheel of grinding wheel component along the circular arc edge of a knife of blade do it is arc-shaped swing back and forth, from And it is ground edge bevel;When work, driven shaft is rotated by wobble component, drives grinding wheel component rotation by swing seat, It is ground to final position always from the initial position of edge bevel along edge radian, after completing primary grinding, 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 It cuts, until processing required edge bevel;The grinding device once clamps, and the circular arc of arc-shaped blade unilateral side can be completed The grinding of shape edge bevel, the blade face arc being ground is preferable, and tool point angle consistency is preferable, and surface smoothness is higher, significantly Improve grinding efficiency and quality.
(2) present invention arc-shaped blade grinding device 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 The edge bevel of Cheng Yici blade is ground;At anodontia section of driving gear disc, driving gear disc is mutually separated with driven gear, swing spring Swing seat revolution is driven, initial cut position is returned to, is ready for grinding next time.
(3) the arc-shaped blade grinding device of the present invention, driving gear disc and the engagement of driven gear intermittence pass in swing mechanism Dynamic realization is realized by actuating cam and driven roller cooperation, one end of spring pressed slider always, make actuating cam and Driven roller is in close contact, the diameter of actuating cam and driven roller being rotatably assorted and sliding block is pushed to drive slide along circular arc cutting edge Forward or backward, i.e. the forward or backward of grinding wheel;Within the period of arc section and the driven roller cooperation of actuating cam, bullet Spring is compressed to most short, and driving gear disc and driven gear engaged transmission, grinding wheel is ground edge bevel, when completing primary grinding Afterwards, driven roller is detached from the arc section of actuating cam, at this point, grinding wheel component, which not only turns round, returns to initial cut position, meanwhile, Under the restoring force effect of spring, grinding wheel component is also retreated, and grinding wheel leaves the contact with blade, guarantees that grinding wheel component can be returned smoothly Initial position also avoids colliding with blade.
(4) the arc-shaped blade grinding device of the present invention, the grinding angle of grinding wheel component can be changed by angle adjusting mechanism, To adapt to the arc-shaped blade grinding of different tool point angles, this structure drives nut edge using driving motor driving lead screw rotation Guide rail is mobile, 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 simple ingenious, relatively also higher to angle control precision.
(5) the arc-shaped blade grinding device of the present invention, elevating mechanism fit angle regulating mechanism are used, can be ground every time After angle adjustment, grinding wheel is enable to adjust to accurate grinding position, while also can adjust stock removal.
(6) the arc-shaped blade grinding device of the present invention, the fixing axle being arranged on the revolving platform of table assembly and positioning pin Cooperate respectively with the mounting hole of arc-shaped knife and location hole, blade can be accurately positioned, guarantees that blade work in-process will not be sent out Rotation;Meanwhile blade, by binder spring compression, pressing force can be adjusted by clamp nut, to reliably compress to blade, be kept away Exempt from play above and below in grinding process.
(7) the arc-shaped blade grinding device of the present invention by designing three stations on revolving platform, while fixing 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, the edge bevel of high quality can be obtained.
(8) method of the invention is ground the arc-shaped blade face of circular arc knife using arc-shaped blade grinding 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 consistency is preferable.
Detailed description of the invention
Fig. 1 for the grinding device of the invention cambered blade to be ground structural schematic diagram;
Fig. 2 is the schematic view of the front view of the arc-shaped blade grinding device of the present invention;
Fig. 3 is the overlooking structure diagram of the arc-shaped blade grinding device of the present invention;
Fig. 4 is the engaged transmission schematic diagram of driving gear disc and driven gear in grinding device of the invention;
Fig. 5 is the cooperation tradition schematic diagram of actuating cam and driven roller in grinding device of the invention;
Fig. 6 is the working state schematic representation that installation circular arc blade is ground on revolving platform in grinding device of the invention.
Label in attached drawing is respectively as follows:
100, pedestal;110, sliding slot;120, spring;
200, swing mechanism;210, Power Component;211, motor cabinet;212, oscillating motor;213, driving shaft;214, actively Fluted disc;215, actuating cam;220, wobble component;221, slide;222, swing seat;223, driven shaft;224, driven gear; 225, driven roller;226, support wheel;227, thrust bearing;228, swing spring;229, sliding block;
300, grinding wheel component;310, grinding wheel stand;320, grinding wheel motor;330, grinding wheel;
400, table assembly;410, revolving bed;420, revolving platform;421, fixing axle;422, positioning pin;423, locking screw It is female;424, arc gap;430, pivoting support;440, turning motor;450, swiveling gear;
500, angle adjusting mechanism;510, flipping block;520, hinged seat;530, sliding rail;540, nut;550, silk is overturn Thick stick;560, driving motor;570, connecting rod;
600, elevating mechanism;610, elevating screw;620, lifting motor;630, guide rod;
700, knife ontology;710, mounting hole;720, location hole;730, blade side;731, cutter tooth;732, edge bevel; 740, knife spine side.
Specific embodiment
The present invention is further described below with attached drawing combined with specific embodiments below.
Embodiment 1
As shown in Figure 2 and Figure 3, a kind of arc-shaped blade grinding device of the present embodiment is mainly completed to circle shown in Fig. 1 The grinding of cambered blade blade, one of knife ontology 700 has circular mounting hole 710 in the arc-shaped blade, is used for Blade is installed on corresponding cutting equipment, there is a location hole 720 close to the position of mounting hole 710 on knife ontology 700, is used It is positioned when blade is installed;Another both sides of head of knife ontology 700 is respectively blade side 730 and knife spine side 740, is arc-shaped, But simultaneously decentraction is gradually narrowed to the front end of blade, and cutter tooth 731 is distributed on the arc section of blade side 730, and cutter tooth 731 Tow sides be edge bevel 732 need to be ground edge bevel 732, and blade side 730 in actual production Intrados, general grinding machine can not grinding, this is also the purpose of design of this grinding device.
The device of the present embodiment mainly include pedestal 100, swing mechanism 200, grinding wheel component 300, table assembly 400, The parts such as angle adjusting mechanism 500 and elevating mechanism 600;Wherein, table assembly 400 is for installing arc-shaped knife to be ground Piece, grinding wheel component 300 are ground the arc-shaped blade on table assembly 400, swing for driving grinding wheel 330 to rotate Mechanism 200 makes 330 motion profile of grinding wheel match with blade arc surface, angle for driving grinding wheel component 300 to do arc swing Regulating mechanism 500 is used to adjust the grinding angle of grinding wheel 330, adapts to different tool point angle grindings, and elevating mechanism 600 then cooperates The adjusting of angle adjusting mechanism 500 makes grinding wheel 330 be in contact with arc-shaped blade face, and adjusts stock removal;Pass through this several portion The organic assembling divided, the grinding of the achievable edge bevel 732 to arc-shaped blade.The structure of each section is carried out below detailed 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, 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 mounted on revolving bed 410, and output shaft connects Take back rotating disk 450,430 engaged transmission of swiveling gear 450 and pivoting support, so that turning motor 440 can drive revolving platform 420 Rotation.It is worth noting that being carried out to the fixed structure of 420 cutter of revolving platform ingenious according to the shape and structure of circular arc blade Design, as shown in fig. 6, revolving platform 420 is equipped with fixing axle 421 and positioning pin 422, the peace of fixing axle 421 and arc-shaped blade It fills hole 710 to cooperate, the location hole 720 of positioning pin 422 and arc-shaped blade cooperates, and guarantees that blade work in-process will not be sent out and turns It is dynamic;Meanwhile the binder spring for compressing arc-shaped blade is cased in fixing axle 421, it is screwed in the fixing axle 421 above binder spring There are clamp nut, compressible blade, pressing force can be adjusted by clamp nut, to reliably compress blade, avoid being ground Play above and below in journey;Also, arc-shaped blade is installed on revolving platform 420, and 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 it is fixed on the one hand to can detect blade installation Whether position is accurate, on the other hand can avoid blade working position, avoids generating interference to processing.
In addition, multiple grinding stations, such as this reality can be designed on revolving platform 420 according to the requirement of different grinding process It applies example to need to roughly grind blade, partly refine and grind, therefore there are three stations for the tool of revolving platform 420, that is, with three groups Fixing axle 421 and positioning pin 422, corresponding three grinding wheel components 300 of three stations can install three arc-shaped blades simultaneously, and three Rough grinding wheel, half finishing wheel and grinding wheel is respectively adopted in grinding wheel 330 in a grinding wheel component 300, completes in a upper station After grinding, revolving platform 420 turns to next station and carries out grinding, and qualified edge bevel can be obtained by being ground three times 732.Certainly, because blade has front and back sides, i.e. the positive and negative two sides of blade all have edge bevel 732, can on the same station Two pairs of fixing axles 421 and positioning pin 422 are set, to adapt to the fixed installation of front and back sides, so that two sides edge bevel 732 can add Work.
In the present embodiment, swing mechanism 200 is arranged on pedestal 100, 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 the cunning that 100 top of pedestal is arranged in Driven shaft 223 is arranged on slide 221 for seat 221, the swing seat 222 and swing spring 228 for connecting angle adjusting mechanism 500, 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 by covering driven 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 for driving 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 equipped on motor cabinet 211, and oscillating motor 212 connects driving gear disc by driving shaft 213 214;Driven gear 224 is installed, having on driving gear disc 214 can be with the tooth of 224 engaged transmission of driven gear on driven shaft 223 Section.In the present embodiment, driven gear 224 is spur gear wheel, and there are two tooth sections for tool on driving gear disc 214, at 180 ° points Cloth, the edge bevel 732 that every section of tooth engages a primary all achievable blade with driven gear 224 are ground, such driving gear disc 214 often rotate a circle, achievable to be ground twice;And at anodontia section of driving gear disc 214, driving gear disc 214 and driven gear 224 It mutually separates, swing spring 228 drives swing seat 222 to turn round, and returns to initial cut position, is ready for grinding next time.
It should be strongly noted that the bottom of slide 221 is equipped with sliding block 229, and sliding block 229 is located at pedestal in the present embodiment 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;In conjunction with Fig. 2 With shown in Fig. 5, installation actuating cam 215 on driving shaft 213, driven shaft 223 is equipped with the cylinder cooperated with actuating cam 215 Driven roller 225, two sections corresponding with driving gear disc 214 arc sections being distributed at 180 ° on actuating cam 215, when actively 224 engaged transmission of tooth section and driven gear when the arc section and driven roller 225 of cam 215 cooperate, on driving gear disc 214. It can be seen 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 the cooperation of driven roller 225 realize, one end of the pressed slider 229 always of spring 120, makes actuating cam 215 and driven The close contact of idler wheel 225, actuating cam 215 and driven roller 225 are rotatably assorted and sliding block 229 are pushed to drive 221 edge of slide The diameter of blade circular arc cutting edge forward or backward, i.e. the forward or backward of grinding wheel 330;Actuating cam 215 arc section with from In the period that dynamic idler wheel 225 cooperates, spring 120 is compressed to most short, 224 engaged transmission of driving gear disc 214 and driven gear, sand It takes turns 330 pairs of edge bevels 732 to be ground, after completing primary grinding, driven roller 225 is detached from the circular arc of actuating cam 215 Section, at this point, grinding wheel component 300, which not only turns round, returns to initial cut position, meanwhile, under the restoring force effect of spring 120, grinding wheel Component 300 retreats, and grinding wheel 330 leaves the contact with blade, guarantees that grinding wheel component 300 can smoothly return to initial position, also avoids It collides with blade.
For the setting of angle adjusting mechanism 500 in 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 driving assembly;Wherein, one end of flipping block 510 connects grinding wheel group Part 300, the other end are connect with the hinged seat 520 in swing seat 222, and driving assembly drives flipping block 510 to rotate.The present embodiment In, driving assembly includes the sliding rail 530 being arranged in swing seat 222, overturning lead screw 550, driving motor 560 and connecting rod 570;Its In, nut 540 is provided on sliding rail 530, overturning lead screw 550 and nut 540 are sequentially connected, the driving overturning silk of driving motor 560 Thick stick 550 rotates;One end attaching nut 540 of connecting rod 570, the other end connect flipping block 510.It can be seen that passing through angular adjustment The grinding angle of grinding wheel component 300 can be changed in mechanism 500, to adapt to the arc-shaped blade grinding of different tool point angles, this structure Lead screw rotation is driven using driving motor 560, nut 540 is driven to move along sliding rail 530, and nut 540 is driven by connecting rod 570 Flipping block 510 rotates upwardly and downwardly, and realizes that grinding angle is adjusted, and is rotation by transform linear motion, structure design is simple ingenious, diagonally Degree control precision is relatively also higher.
After angle adjusting mechanism 500 is to the grinding angle adjustment of grinding wheel component 300, it is necessarily accompanied with grinding wheel component 300 The variation of height is set, thus needs for grinding wheel 330 to be adjusted to again to be suitably ground height;Meanwhile also for can adapt to It is unable to requirement of the grinding process to stock removal, 330 height of grinding 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 mounted on lifting seat, and lifting motor 620 connects elevating screw 610 Lower end, the upper end of elevating screw 610 cooperate with screw hole transmission on flipping block 510;Guide rod 630 has two, is located at elevating screw 610 two 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, influence of the lead screw transmission gap to kinematic accuracy is reduced;And elevating mechanism 600 connect grinding wheel component 300 by lifting seat.It can be seen that 600 fit angle regulating mechanism 500 of elevating mechanism uses, it can be After each grinding angle adjustment, grinding 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 motor 320;Wherein, grinding wheel stand 310 is solid It is scheduled on lifting seat, grinding wheel motor 320 is mounted on grinding wheel stand 310, exports axis connection grinding wheel 330.
The grinding device of the present embodiment is the equipment for grinding specially designed for the Roound edge face 732 of arc-shaped blade, Once clamp, can be completed the grinding of the arc-shaped edge bevel 732 of arc-shaped blade unilateral side, the blade face arc being ground compared with Good, tool point angle consistency is preferable, and each position blade angular difference is usually no more than 0.1 °, and surface smoothness is higher, up to 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, uses the grinding 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 below detailed Explanation.
One, blade is installed
Arc-shaped blade to be ground is installed on table assembly 400.Specifically: firstly, 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, is i.e. completion knife The installation of piece.
Two, grinding angle adjusts
Firstly, choosing three grinding wheels 330, respectively rough grinding wheel, half finishing wheel and grinding wheel, they are successively pacified It is attached on the grinding wheel component 300 of three stations;Then, it is carried out by grinding angle of the angle adjusting mechanism 500 to grinding wheel component Adjustment.The specific steps of grinding angle adjustment are as follows: driving motor 560 acts, and driving overturning lead screw 550 rotates, and drives nut 540 It is moved along sliding rail 530, nut 540 drives flipping block 510 to rotate further through connecting rod 570, so that about 300 grinding wheel component be driven to turn It is dynamic, it is to be adjusted to arrive required grinding angle, 560 stopping of driving motor movement.
Four, wheel grinding height adjustment
After step 3, it is adjusted by grinding height of the elevating mechanism 600 to grinding wheel 330, specifically: lifting electricity Machine 620 works, and drives elevating screw 610, drives grinding wheel component 300 to move along the length direction of elevating screw 610, reaches grinding wheel 330 height adjustment.
Five, blade is ground
The grinding wheel motor 320 of grinding wheel component 300 drives grinding wheel 330 to rotate;Meanwhile swing mechanism 200 works, and drives grinding wheel Component 300 carries out arc along 730 radian of blade side of arc-shaped blade and swings back and forth, and is ground to edge bevel 732.It swings The specific course of work of mechanism 200 are as follows: 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 pushes slide 221 mobile with compressed spring 120;When the arc section and driven roller of actuating cam 215 When 225 contact, the tooth section of driving gear disc 214 just and driven gear 224 engaged transmission, during this period, grinding wheel 300 is along arc-shaped 730 radian of blade side of blade completes primary complete grinding, meanwhile, swing spring 228 is elongated, storage energy, and spring 120 In compressive state;After completing primary grinding, the arc section and driven roller 225 of actuating cam 215 are detached from, driving gear disc 214 and driven gear 224 be also detached from, spring 120 is gradually recovered, and slide 221 is pushed to move back, and grinding wheel 330 and blade face are detached from, At this point, 222 backswing of swing seat returns to initial cut position under the pulling force effect of swing spring 228, for grinding next time It is ready.
In this step, it should be noted that blade needs to be roughly ground by three stations, half refines and grinding process Qualified product can be just obtained, after roughly grinding station completion corase grinding, the turning motor 440 of table assembly 400 drives revolution 120 ° of 420 turn of platform reach half fine grinding station and partly refine;After completing half fine grinding, 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 the achievable other side, to obtain complete blade.Also, can simultaneously 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 preferred embodiments of the present invention will be described, not to present inventive concept and Range is defined, and under the premise of not departing from design philosophy of the present invention, this field engineers and technicians are to technology of the invention The various changes and improvements 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 grinding device, includes the following steps:
One, blade is installed
Arc-shaped blade to be ground is installed on table assembly (400).
Two, blade is ground
Grinding wheel motor (320) driving grinding wheel (330) rotation of grinding wheel component (300);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;
Swing mechanism (200) specific course of work are as follows: oscillating motor (212) movement drives driving gear disc (214) and actively convex Take turns (215) rotation, driving gear disc (214) and the intermittent engaged transmission of driven gear (224), actuating cam (215) and driven rolling Wheel (225) is engaged, and can push slide (221) mobile with compressed spring (120) according to the shape of actuating cam (215); When the arc section of actuating cam (215) and driven roller (225) contact, the tooth section of driving gear disc (214) is just and driven tooth (224) engaged transmission is taken turns, during this period, grinding wheel (300) completes primary complete mill along blade side (730) radian of arc-shaped blade It cuts, meanwhile, swing spring (228) is elongated, energy is stored, and spring (120) is in compressive state;When the primary grinding of completion Afterwards, the arc section of actuating cam (215) and driven roller (225) are detached from, and driving gear disc (214) and driven gear (224) also take off From spring (120) is gradually recovered, and slide (221) is pushed to move back, and grinding wheel (330) and blade face are detached from, at this point, 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.
2. a kind of method for grinding of arc-shaped knife-blade according to claim 1, it is characterised in that: the grinding device Including pedestal (100), grinding wheel component (300), table assembly (400) and swing mechanism (200);The table assembly (400) for installing arc-shaped blade to be ground;The grinding wheel component (300) is for driving grinding wheel (330) to rotate, to workbench Arc-shaped blade on component (400) is ground;The swing mechanism (200) is arranged on pedestal (100), connects grinding wheel Component (300), for driving grinding wheel component (300) to do arc swing.
3. a kind of method for grinding of arc-shaped knife-blade according to claim 2, it is characterised in that: the swing mechanism It (200) include Power Component (210) and wobble component (220);The wobble component (220) includes being arranged on pedestal (100) The slide (221) of side, the swing seat (222) and swing spring (228) for connecting grinding wheel component (300), be arranged on slide (221) from Moving axis (223), swing seat (222) are fixed on driven shaft (223);One end of the swing spring (228) connects slide (221), the side of other end connection swing seat (222);
The Power Component (210) is for driving driven shaft (223) to do intermittent rotation;One end of the swing seat (222) connects It connects driven shaft (223), and by covering the support of the thrust bearing (227) on driven shaft (223), 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 equipped with oscillating motor (212) on motor cabinet (211), and oscillating motor (212) passes through Driving shaft (213) connects driving gear disc (214);Driven gear (224) are 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 pedestal (100);Institute It states and spring (120) is installed in sliding slot (110), compressed it from one end of sliding block (229);It is installed on the driving shaft (213) Actuating cam (215), driven shaft (223) are equipped with the driven roller (225) with actuating cam (215) cooperation, actuating cam (215) there is arc section on, when the arc section of actuating cam (215) and driven roller (225) cooperation, driving gear disc (214) On tooth section and driven gear (224) engaged transmission.
4. a kind of 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 in the top of revolving bed (410), and It is driven by turning motor (440);The revolving platform (420) is equipped with fixing axle (421) and positioning pin (422), fixing axle (421) cooperate with the mounting hole of arc-shaped blade (710), the location hole (720) of positioning pin (422) and arc-shaped blade cooperates; It is cased with the binder spring for compressing 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 the specific steps on table assembly (400) are as follows: firstly, 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 on fixing axle (421), arc-shaped blade is fixed, that is, is completed The installation of blade.
5. a kind of method for grinding of arc-shaped knife-blade according to claim 4, it is characterised in that: revolving platform (420) Tool is followed successively by corase grinding station, half fine grinding station and ground station, turning motor (440) and drives revolving platform there are three station is ground (420) switching between each station is realized in rotation.
6. a kind of 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 driving assembly, and one end of flipping block (510) connects grinding wheel Component (300), the other end are connect with the hinged seat (520) on swing seat (222), and driving assembly drives flipping block (510) rotation;
The specific steps of grinding angle adjustment are as follows: driving motor (560) movement, driving overturning lead screw (550) rotation drive nut (540) mobile along sliding rail (530), nut (540) is rotated further through connecting rod (570) driving flipping block (510), to drive grinding wheel Component (300) rotates upwardly and downwardly, to be adjusted to arrive required grinding angle, driving motor (560) stopping movement.
7. a kind of method for grinding of arc-shaped knife-blade according to claim 6, it is characterised in that: grinding angle adjustment Afterwards, it is adjusted by grinding height of the elevating mechanism (600) to grinding wheel (330);
The elevating mechanism (600) includes lifting seat, elevating screw (610), lifting motor (620) and guide rod (630), lifting electricity Machine (620) is mounted on lifting seat, lifting motor (620) connect elevating screw (610) lower end, elevating screw (610) it is upper End cooperates 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 height adjustment of grinding wheel (330) are as follows: lifting motor (620) work drives elevating screw (610), drives Grinding wheel component (300) is moved along the length direction of elevating screw (610), reaches the height adjustment of grinding wheel (330).
8. a kind of method for grinding of arc-shaped knife-blade according to claim 7, it is characterised in that: the grinding wheel component It (300) include grinding wheel stand (310) and grinding wheel motor (320), grinding wheel stand (310) is fixed on lifting seat;Grinding wheel motor (320) peace On grinding wheel stand (310), export axis connection grinding wheel (330).
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