Automatic knife grinder
Technical field
The present invention relates to a kind of knife sharpener, particularly relate to and a kind of be applicable to the various cutter of polishing, and cutter is ground sharper automatic knife grinder.
Background technology
Traditional sharpening mode generally divides two kinds, and the first is manually whet a knife, although can control the speed of whetting a knife as required, and can adjust angle and the direction of sharpening in time, with high content of technology, experience accumulation is difficult, and labour intensity is large, wastes time and energy.The second is automatic grinding, and it drives emery wheel to rotate by motor, makes the edge of a knife of cutter press close to emery wheel, the blade of emery wheel milling cutter in the process of high-speed rotation.Although this mode is automatic, time saving and energy saving, because the rotating speed of emery wheel is too fast, the particle on the surface of emery wheel is thin not, further, between emery wheel and cutter angle and pressure uncontrollable, therefore, can not grind more smooth cutting edge, blade there will be the shape of tooth of crouching, still sharp not after sharpening.If adopt the knife sharpener of biography rate to coordinate the thinner emery wheel of particle to whet a knife, because traditional motor output speeds is higher, the thinner emery wheel of particle when whetting a knife and cutter press close to not easy heat radiation, the easy phenomenon that burning cutter occurs, after burning cutter generation, the hardness of cutter can cannot repeatedly use in deliquescing, therefore, sharpening effect is also bad.In addition, traditional automatic knife grinder can only grind the cutter of straight cutting edge, and can not grind the cutter of curved cutting edge, adaptability is poor.
Summary of the invention
The object of the present invention is to provide and a kind of be applicable to the various cutter of polishing, and cutter is ground sharper automatic knife grinder.
To achieve these goals, automatic knife grinder provided by the invention comprises frame, platform, the first driving mechanism, the second driving mechanism, sliding seat, optical axis, deck, oilstone and knife rest; Described knife rest clamps described cutter, makes described cutter horizontally set; Described oilstone is elongated and be longitudinally installed on described deck, described deck is fixed on described sliding seat, described sliding seat is arranged on described optical axis slidably, described optical axis is in longitudinally arranging and being upper and lowerly articulated in described platform turningly, described first driving mechanism to be arranged on described platform and to drive described sliding seat to slide, and described second driving mechanism to be arranged in described frame and to drive described platform transverse translation.
Compared with prior art, because described oilstone is arranged to strip and in longitudinally arranging by the present invention, and described cutter is horizontally set, and, longitudinally arrange by making described optical axis, therefore, by the driving of described first driving mechanism, described oilstone longitudinally back and forth movement can be made, thus make the sharpening direction of described oilstone vertical with the cutting edge of described cutter, recycle described second driving mechanism and drive described oilstone transverse translation, thus can grind the realization everywhere of the cutting edge of described cutter, thus, when whetting a knife, low to the shape need of the cutting edge of cutter, be applicable to the various cutter of grinding, in addition, owing to adopting oilstone as grinding-material, the abrasive grains on oilstone surface is thinner, the effect of grinding at a slow speed is very desirable, and by making described optical axis in longitudinally arranging and being upper and lowerly articulated in described platform turningly, thus described oilstone can be made to rotate ground pressure holding on described cutter, pressure is applied to described cutter, make described tool surface grind more smooth, blade is sharper.
Preferably, described first driving mechanism comprises reducing motor, crank and link rod, described reducing motor is fixed on described platform, one end of described crank is fixedly connected with the output of described reducing motor, the other end of described crank and described link rod one end pivot joint, the other end of described link rod and described sliding seat pivot joint.The torque axis that described crank can make described reducing motor export becomes thrust, thus drives described oilstone longitudinally to slidably reciprocate, and utilizes described reducing motor that the sharpening speed of described oilstone can be made to slow down, and is conducive to improving grinding effect.
Preferably, described second driving mechanism comprises screw mandrel, nut and motor, described screw mandrel is laterally articulated in described frame and is connected with described nut thread, and described nut is fixed on described platform, and described motor is fixed on described frame and output is connected with described screw mandrel.Utilize described screw mandrel and nut can make described platform transverse translation, thus make described oilstone can realize automatic grinding everywhere to the cutting edge of cutter.
Preferably, described deck comprises fixed bar, geometrical clamp and slip clamp, and described fixed bar is fixed on described sliding seat, and described geometrical clamp is fixed on one end of described fixed bar, described slip clamp is arranged at the other end of described fixed bar slidably, and described geometrical clamp and slip clamp clamp described oilstone.Described deck can clamp described oilstone on the one hand effectively, can install rapidly oilstone and dismantle on the other hand, and it is convenient to change.
Particularly, described deck also comprises regulating part, and described regulating part to be threadably connected on described fixed bar and slip clamp described in pushing tow, makes the described oilstone of described slips clamping.Described regulating part can be finely tuned the position of described slip clamp, thus reaches the object clamping described oilstone.
More specifically, described deck also comprises flexible member, and described flexible member is arranged between described slip clamp and described regulating part, and provides one to make described slip clamp the elastic force of described oilstone.Described flexible member can prevent described regulating part from excessively regulating and making described slip clamp apply excessive chucking power to described oilstone, therefore described oilstone is played to the effect of buffering.
Preferably, described sliding seat is fixed with sliding bearing, and described sliding bearing is socketed on outside described optical axis.Described sliding bearing can prevent described sliding seat and described optical axis from occurring directly rub and occur loss faster, improves service life.
Preferably, described knife rest comprises fixed axis, shifting axle and fixture, cutter described in described holder, one end of described fixture is relatively described frame pivotable by described fixed axis, the other end of described fixture is fixed on described shifting axle, described frame is provided with the deep-slotted chip breaker of axle centered by described fixed axis, and described shifting axle is arranged at described deep-slotted chip breaker slidably, to realize the angle adjustment of described fixture.By arranging described shifting axle and described deep-slotted chip breaker, described shifting axle slides thus the angle adjustment that can realize described cutter in described deep-slotted chip breaker, thus convenient sharpening.
Particularly, the two ends of described shifting axle are provided with keeper, and the sidewall of described frame is passed at the two ends of described shifting axle, and described keeper is threadably connected to described shifting axle and presses on the sidewall of described frame, to locate described shifting axle.By arranging described keeper, can position locking rapidly to described shifting axle, and then reach quick adjustment angle object, structure is simple, just with convenient.
Preferably, described automatic knife grinder also comprises the water debris removal circulatory system, the described water debris removal circulatory system comprises water tank, water pump and universal joint sparge pipe, described water tank is arranged at the bottom of described frame, the water inlet of described water pump is communicated with described water tank, described universal joint sparge pipe is communicated with the delivery port of described water pump, and the delivery port of described universal joint sparge pipe aims at described cutter.
Accompanying drawing explanation
Fig. 1 is the structural representation of automatic knife grinder of the present invention.
Fig. 2 is the structure chart that automatic knife grinder of the present invention removes frame.
Detailed description of the invention
For describing technology contents of the present invention, structural feature, the effect that realizes in detail, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
As shown in Figure 1 and Figure 2, automatic knife grinder 100 of the present invention comprises frame 1, platform 2, first driving mechanism 3, second driving mechanism 4, sliding seat 5, optical axis 6, deck 7, oilstone 8, knife rest 9 and the water debris removal circulatory system 10; Described knife rest 9 holding cutter (not shown), makes described cutter horizontally set; Described oilstone 8 is elongated and be longitudinally installed on described deck 7, and described deck 7 is fixed on described sliding seat 5; Described sliding seat 5 is arranged on described optical axis 6 slidably, described sliding seat 5 is fixed with sliding bearing 51, described sliding bearing 51 is socketed on outside described optical axis 6, described sliding bearing 51 can prevent described sliding seat 5 from occurring directly rub and occur loss faster with described optical axis 6, improves service life.The quantity of described optical axis 6 is two, arrange in parallel to each other, described optical axis 6, in longitudinally arranging and being articulated in described platform 2 turningly by optical axis seat 61 is upper and lower, arranges two described optical axises 6, described sliding seat 5 can be made to slide reposefully, ensure the stability of knife sharpener.Described first driving mechanism 3 to be arranged on described platform 2 and to drive described sliding seat 5 to slide, and described second driving mechanism 4 to be arranged in described frame 1 and to drive described platform 2 transverse translation.Particularly, as follows:
Refer to Fig. 2 again, described first driving mechanism 3 comprises reducing motor 31, crank 32 and link rod 32, described reducing motor 31 is fixed on described platform 2, one end of described crank 32 is fixedly connected with the output of described reducing motor 31, the other end of described crank 32 and described link rod 32 one end pivot joint, the other end of described link rod 32 and described sliding seat 5 pivot joint.The torque axis that described crank 32 can make described reducing motor 31 export becomes thrust, thus drives described oilstone 8 longitudinally to slidably reciprocate, and utilizes described reducing motor 31 that the sharpening speed of described oilstone 8 can be made to slow down, and is conducive to improving grinding effect.
Refer to Fig. 2 again, described second driving mechanism 4 comprises screw mandrel 41, nut 42 and motor 43, described screw mandrel 41 is laterally articulated in described frame 1 and is threaded with described nut 42, described nut 42 is fixed on described platform 2, and described motor 43 is fixed on described frame 1 and output is connected with described screw mandrel 41.Utilize described screw mandrel 41 and nut 42 can make described platform 2 transverse translation, thus make described oilstone 8 can realize automatic grinding everywhere to the cutting edge of cutter.
Refer to Fig. 2 again, described deck 7 comprises fixed bar 71, geometrical clamp 72, slip clamp 73, regulating part 74 and flexible member 75, described fixed bar 71 is fixed on described sliding seat 5, described geometrical clamp 72 is fixed on one end of described fixed bar 71, described slip clamp 73 is arranged at the other end of described fixed bar 71 slidably, and described geometrical clamp 72 and slip clamp 73 clamp described oilstone 8.Described regulating part 74 to be threadably connected on described fixed bar 71 and slip clamp 73 described in pushing tow, makes the tight described oilstone 8 of described slip clamp 73.Described regulating part 74 can be finely tuned the position of described slip clamp 73, thus reaches the object clamping described oilstone 8.Described flexible member 75 is Compress Spring, and described flexible member 75 is arranged between described slip clamp 73 and described regulating part 74, and the elastic force providing to make the tight described oilstone 8 of described slip clamp 73.Described flexible member 75 can prevent described regulating part 74 from excessively regulating and making described slip clamp 73 apply excessive chucking power to described oilstone 8, therefore described oilstone 8 is played to the effect of buffering.To sum up, described deck 7 one aspect can clamp described oilstone 8 effectively, can install rapidly oilstone 8 and dismantle on the other hand, and it is convenient to change.
Refer to Fig. 1 again, described knife rest 9 comprises fixed axis 91, shifting axle 92, fixture 93 and keeper 94, described fixture 93 clamps described cutter, one end of described fixture 93 is relatively described frame 1 pivotable by described fixed axis 91, the other end of described fixture 93 is fixed on described shifting axle 92, described frame 1 is provided with the deep-slotted chip breaker 11 of axle centered by described fixed axis 91, and described shifting axle 92 is arranged at described deep-slotted chip breaker 11 slidably, to realize the angle adjustment of described fixture 93.By arranging described shifting axle 92 and described deep-slotted chip breaker 11, described shifting axle 92 slides thus the angle adjustment that can realize described cutter in described deep-slotted chip breaker 11, thus convenient sharpening.The two ends of described shifting axle 92 are provided with described keeper 94, and the sidewall of described frame 1 is passed at the two ends of described shifting axle 92, and described keeper 94 is threadably connected to described shifting axle 92 and presses on the sidewall of described frame 1, to locate described shifting axle 92.By arranging described keeper 94, can position locking rapidly, and then reach quick adjustment angle object to described shifting axle 92, structure is simple, just with convenient.
Refer to Fig. 1 again, the described water debris removal circulatory system 10 comprises water tank 101, water pump 102 and universal joint sparge pipe 103, described water tank 101 is arranged at the bottom of described frame 1, the water inlet of described water pump 102 is communicated with described water tank 101, described universal joint sparge pipe 103 is communicated with the delivery port of described water pump 102, and the delivery port of described universal joint sparge pipe 103 aims at described cutter.The described water debris removal circulatory system 10 1 aspect can lower the temperature to described cutter, the chip ground can be carried out flushing in time on the other hand and clean, and be back in described water tank 101, realize wash cycles.
Comprehensively above-mentioned, before sharpening, first described cutter is fixed on described fixture 93, then regulates the angle of inclination of described cutter by described shifting axle 92; Then control system controls described reducing motor 31 and starts, described reducing motor 31 drives described crank 32 to rotate, described crank 32 drives one end of described link rod 32 to swing, the other end of described link rod 32 drives described sliding seat 5 to slidably reciprocate on described optical axis 6, meanwhile, described sliding seat 5 drives the longitudinally translation back and forth of described oilstone 8 by described fixed bar 71; In the process, because described optical axis 6 is upper and lowerly articulated on described platform 2 turningly, therefore, under gravity, the pressure holding of described oilstone 8 is on the blade of described cutter, and under the effect of pressure and friction, the blade of cutter and oilstone 8 contact position is polished; After this position has been polished, control described motor 43, make described motor 43 drive described screw mandrel 41, described screw mandrel 41 drives described nut 42, described nut 42 drives described platform 2 transverse translation, thus polishing is continued in the cutting edge position driving described oilstone 8 transverse translation to move not to be polished; Herein, by the motor 43 described in Control that circulates service time, the haul distance of sharpening can be regulated and make described motor 43 auto-reverse, thus can reciprocally platform 2 described in transverse translation, realize the polishing repeatedly to cutter; The rest may be inferred, finally polished by the blade of whole cutter.
Compared with prior art, because described oilstone 8 is arranged to strip and in longitudinally arranging by the present invention, and described cutter is horizontally set, and, longitudinally arrange by making described optical axis 6, therefore, by the driving of described first driving mechanism 3, described oilstone 8 longitudinally back and forth movement can be made, thus make the sharpening direction of described oilstone 8 vertical with the cutting edge of described cutter, recycle described second driving mechanism 4 and drive described oilstone 8 transverse translation, thus can grind the realization everywhere of the cutting edge of described cutter, thus, when whetting a knife, low to the shape need of the cutting edge of cutter, be applicable to the various cutter of grinding, in addition, owing to adopting oilstone 8 as grinding-material, the abrasive grains on oilstone 8 surface is thinner, the effect of grinding at a slow speed is very desirable, and by making described optical axis 6 in longitudinally arranging and being upper and lowerly articulated in described platform 2 turningly, thus described oilstone 8 can be made to rotate ground pressure holding on described cutter, pressure is applied to described cutter, make described tool surface grind more smooth, blade is sharper, reaches the sharpness that hair scraped by energy razor.
Above disclosedly be only preferred embodiments of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the present patent application the scope of the claims is done, still belong to the scope that the present invention is contained.