CN112873073A

CN112873073A - Intelligent electric knife sharpener

Info

Publication number: CN112873073A
Application number: CN202110162964.6A
Authority: CN
Inventors: 郑晓鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-06-01

Abstract

The invention discloses an intelligent electric knife sharpener, which comprises a shell and a sliding part, wherein the shell is provided with a first groove and a second groove; the sliding part comprises a first sliding frame and a second sliding frame; two knife sharpening components are arranged in the sliding part; the knife sharpening assembly comprises an adjusting rod and a knife sharpening rod; a propping component is arranged in the outer shell; the sliding part is provided with a linkage component; the linkage assembly comprises a guide frame, a driving disc and a first linkage wheel; a lifting rack and a lifting motor are arranged in the outer shell; when the sliding part slides longitudinally, the knife sharpening rod slides along the length direction of the knife edge to enable the knife edge to be sharpened uniformly; meanwhile, the sharpening rod moves in a reciprocating mode relative to the cutting edge, and sharpening efficiency is improved. The automatic knife sharpening device can automatically and uniformly sharpen the knife; the multifunctional milling cutter can mill various types of cutters and has high compatibility; a plurality of sharpening blocks for different purposes; the invention mostly adopts automatic operation, does not need excessive manual work, and is time-saving and labor-saving.

Description

Intelligent electric knife sharpener

Technical Field

The invention belongs to the technical field of cutter polishing equipment, and particularly relates to an intelligent electric knife sharpener.

Background

Chinese patent document No. CN212020194U discloses an electric sharpener, which comprises a housing, motor and sharpening component, the casing is equipped with drive installing zone and sharpening component installing zone, the motor is installed and is used for driving sharpening component rotatory in the drive installing zone, sharpening component installs in sharpening component installing zone, it includes the drive shaft and installs at the epaxial sharpening wheel of drive, install in sharpening component installing zone through the bearing at the both ends of drive shaft, the head end and the motor drive of drive shaft are connected, the both sides that the casing upside corresponds sharpening wheel are equipped with the sword groove respectively, the drive shaft end extends this end bearing and forms and extends the axial region, install the extension grinding wheel in extending the axial region, the terminal lateral wall of drive shaft is equipped with the extension grinding groove to the casing, the head end and the motor of drive shaft can dismantle through the transmission connecting piece and be connected. Through will expanding grinding wheel and whetstone wheel integration in sharpening component, the drive shaft can be dismantled with the motor and be connected moreover, makes sharpening component can wholly dismantle and install, has simplified assembly process, makes things convenient for subsequent maintenance and change moreover.

Above-mentioned patent is when using, needs the user to support blade and whet a knife wheel tightly, and the frictional force of whet a knife wheel and blade makes the sword have certain motion trend to make the dynamics of holding the sword increase, it is very inconvenient, also not easily control the tight dynamics of supporting of blade and whet a knife wheel simultaneously, thereby it is inhomogeneous to make the grinding of blade, cause the fracture of blade easily, the tool setting causes the damage, above-mentioned patent can not satisfy the user demand to a certain extent.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: aiming at the defects existing in the prior art, the full-automatic knife sharpener can uniformly grind knives with different widths.

In order to realize the purpose of the invention, the following technical scheme is adopted for realizing the purpose: an intelligent electric knife sharpener comprises an outer shell and a sliding part which is longitudinally connected in the outer shell in a sliding way; the sliding part comprises a first sliding frame longitudinally connected in the outer shell in a sliding manner and a second sliding frame which is longitudinally synchronous with the first sliding frame in a sliding manner and horizontally connected with the first sliding frame in a sliding manner; two knife sharpening components for sharpening the knife are symmetrically arranged in the sliding part.

The knife sharpening assembly comprises an adjusting rod arranged on the second sliding frame and a knife sharpening rod, one end of the knife sharpening rod is rotatably connected to the adjusting rod and is abutted to the cutting edge for sharpening; the adjusting rods in the two knife sharpening assemblies are arranged in a crossed manner; and a tightly supporting component used for enabling the second sliding frame to move towards the first sliding frame so as to enable the adjusting rod to be tightly supported with the cutting edge is arranged in the outer shell.

The sliding part is provided with a linkage assembly for driving the knife sharpening rod to rotate; the linkage assembly comprises a guide frame longitudinally connected in the second sliding frame in a sliding manner, a driving disc rotationally connected to the second sliding frame and used for driving the guide frame to longitudinally slide, and a first linkage wheel rotationally connected to the sliding part and in transmission connection with the driving disc; the guide frame slides longitudinally to drive one end of the sharpening rod to move longitudinally, so that the sharpening rod rotates relative to the adjusting rod; a lifting rack in transmission connection with the first linkage wheel is arranged in the outer shell; and a lifting motor for driving the sliding part to longitudinally slide is arranged in the outer shell.

When the sliding part slides longitudinally, the knife sharpening rod slides along the length direction of the knife edge to sharpen the knife edge uniformly; meanwhile, the sliding part longitudinally slides to drive the first linkage wheel to rotate, so that the driving disc drives the guide frame to longitudinally slide, the knife grinding rod reciprocates relative to the knife edge, and the knife grinding efficiency is improved.

As a preferable scheme: the knife sharpening assembly also comprises an inner driving rod which is rotationally connected with the adjusting rod and is used for driving the adjusting rod to horizontally rotate, and an outer driving pipe which is axially and slidably connected to the periphery of the inner driving rod along the inner driving rod and is used for driving the inner driving rod to move; the outer driving pipe is horizontally connected in the first sliding frame in a sliding manner; each the mill cutter arbor orientation the one end of cutting edge is installed a plurality of different materials respectively can with the blade counterbalance grind the sword piece.

An adjusting component for driving the two outer driving pipes to move relatively is arranged in the outer shell; the adjusting assembly comprises an adjusting rope winding roller which is rotatably connected in the first sliding frame, two pull ropes of which one ends are fixedly connected to the periphery of the adjusting rope winding roller, and an adjusting knob which is rotatably connected to the outer part of the outer shell and is used for driving the adjusting rope winding roller to rotate; the other end of the pull rope is fixedly connected with the corresponding outer driving pipe respectively.

When the adjusting knob rotates, the rope winding roller is adjusted to wind or loosen the pull rope, so that the two outer driving pipes move in opposite directions or in opposite directions, the included angle of the two grinding cutter rods is changed, the grinding cutter blocks abutting against the cutting edges are changed in quality, and different grinding purposes are achieved.

As a preferable scheme: the abutting component comprises two connecting rods with the middle parts mutually connected, two longitudinally arranged abutting rods symmetrically and slidably connected in the outer shell, an abutting motor fixedly connected in the outer shell and a transmission belt in transmission connection with the abutting motor and the two abutting rods respectively; one end of the connecting rod is rotatably connected with the second sliding frame, and the other end of the connecting rod is connected with the corresponding tightening rod and can synchronously move along the horizontal direction with the tightening rod; a lower abutting rack in transmission connection with the two abutting rods is arranged at the inner bottom end of the outer shell; the two abutting rods are respectively positioned on the inner side and the outer side of the transmission belt, so that the rotating directions of the two abutting rods are opposite.

When the tightening motor rotates forwards, the two tightening rods move oppositely, and the second sliding frame moves towards the direction close to the first sliding frame.

When the tightening motor rotates reversely, the two tightening rods move back to back, and the second sliding frame moves towards the direction far away from the first sliding frame.

As a preferable scheme: the linkage assembly further comprises a gear box fixedly connected to the second sliding frame; an eccentric shaft is formed at a position, which is not at the center, of one end of the driving disc, which faces the gear box; the eccentric shaft and the first linkage wheel are respectively in transmission connection with a gear set in the gear box.

As a preferable scheme: a clamping block is formed on the periphery of the adjusting knob; the shell body is provided with a plurality of bayonets which can be respectively clamped with the clamping blocks.

When the adjusting knob is located at the limit position below, the clamping block is located in one clamping opening, the adjusting knob cannot rotate circumferentially, and two ends of the cutting edge abut against the sharpening block.

When the adjusting knob is located at the upper limit position, the adjusting knob can rotate circumferentially, and then the knife sharpening block abutting against the knife edge is adjusted.

As a preferable scheme: the sharpening blocks are a tungsten steel sharpening block for sharpening the blunt knife, a diamond sharpening block for daily coarse grinding and a ceramic sharpening block for polishing and fine grinding.

As a preferable scheme: a cutter storage cavity is formed at the upper end of the outer shell; the upper end of the knife storage cavity is fixedly connected with a knife storage rack for placing a knife; and a plurality of knife storage insertion holes used for inserting knives into the knife storage cavity are formed in the upper end of the knife storage frame.

As a preferable scheme: a containing cavity is formed at the upper end of the outer shell; the containing cavity is added with a containing space, so that the kitchen table top is tidy.

Compared with the prior art, the invention has the beneficial effects that: in the initial state, the sliding part is located at the upper limit position, and the two abutting rods are located at the limit positions far away from each other.

The sword uses can produce after a period and become blunt, the edge of a knife is not sharp, and the cutting edge has multiple condition such as burr, influences the use of sword, need whet a knife, uses this product to whet a knife when, places this product on the horizontal plane to with this product switch on. The knife to be ground is placed into the grinding insertion opening, and the knife back slides downwards along the positioning groove, so that the knife moves to the limit position below. Then press "support tight" button, the work of tight motor is supported in the controller control for support tight motor gear forward rotation, support tight motor gear forward rotation and drive the drive belt forward rotation, two that are located the below support tight gear and are connected with the transmission of drive belt inside and outside respectively, drive belt forward rotation makes two support tight gear synchronous rotation and rotation opposite direction. The two abutting gears positioned below are in transmission connection with the lower abutting rack respectively, and the forward rotation of the transmission belt drives the abutting gears to move relative to the lower abutting rack, so that the two abutting gears move in opposite directions, namely the two abutting rods move in opposite directions. Two connecting rod middle part interconnect, connecting rod one end rotate with the second carriage to be connected, and the connecting rod other end rotates with the tight pole that supports that corresponds to be connected, and two support tight pole looks motions in opposite directions and make two connecting rods rotate relatively, then make the second carriage to first carriage direction motion, grind the sword piece and support tightly with the cutting edge. Then the controller controls the rotating torque of the abutting motor, so that a pressure value of set force exists between the sharpening block and the cutting edge all the time.

The knife sharpening rod is provided with a plurality of knife sharpening blocks, including a tungsten steel knife sharpening block for sharpening the blunt knife, a diamond knife sharpening block for daily coarse grinding and a ceramic knife sharpening block for polishing fine grinding, and a proper gear is selected according to the specific conditions of the knife. When adjusting the gear, the hand is held between the fingers adjust knob and is upwards mentioned for fixture block and bayonet socket separation, spring compression simultaneously rotates adjust knob and makes the fixture block just right with the bayonet socket that corresponds the gear, loosens adjust knob, and adjust knob will be in the downstream under the spring action of spring, and then makes the fixture block enter into just right bayonet socket. The knob gear rotates in the process of rotating the adjusting knob, the knob gear rotates to drive the adjusting gear to rotate so as to rotate the adjusting rod, and the adjusting rod rotates to drive the adjusting driven hole to rotate so as to rotate the adjusting rope winding roller. The motor is supported tightly so that the knife sharpening rod always keeps a set pressure value with the cutting edge, the pull rope is always in a tightening state, the rope winding roller is adjusted to rotate, the outer driving pipe moves in the opposite direction or in the opposite direction through the pull rope, and the outer driving pipe moves so that the sliding hole drives the inner driving rod to move. The pole of whetting a knife rotates to be connected on adjusting the pole and two regulation pole cross arrangement, adjusts the pole and rotates with interior actuating lever to be connected, and interior actuating lever motion drives two regulation pole cross angle changes, and then makes the piece of whetting a knife that offsets with the cutting edge change into the piece of whetting a knife that corresponds with the gear.

Then, a knife sharpening button is pressed, the controller controls the lifting motor to rotate for a set time T, so that the gear of the lifting motor rotates reversely, and the gear of the lifting motor rotates reversely to drive the screw rod gear to rotate so that the screw rod rotates reversely. The screw rod sliding head on the first sliding frame is connected in the spiral groove on the screw rod in a sliding mode, the screw rod rotates reversely to enable the screw rod sliding head to slide downwards under the guiding effect of the screw rod, namely the first sliding frame slides downwards, the first sliding frame slides downwards to enable the linkage plate to drive the linkage port to slide downwards synchronously, namely the second sliding frame and the first sliding frame slide downwards synchronously. After the set time T is finished, the controller controls the lifting motor to rotate for the set time T again, so that the gear of the lifting motor rotates in the forward direction, the first sliding frame slides upwards under the guiding effect of the screw rod, and meanwhile, the second sliding frame and the first sliding frame synchronously slide upwards. So reciprocal, the reciprocal longitudinal sliding of second carriage makes whetting a knife piece and cutting edge relative motion, and then makes the cutting edge evenly ground, and is simple to use, need not artifical too much operation.

In the reciprocating longitudinal sliding process of the first sliding frame, the first linkage wheel and the lifting rack move relatively, so that the first linkage wheel rotates in a reciprocating mode, the first linkage wheel rotates to enable the linkage rod to rotate, the linkage rod and the eccentric shaft are in transmission connection with the gear set in the gear box respectively, and the linkage rod rotates to drive the eccentric shaft to rotate. The eccentric shaft is formed in the non-central position of the driving disc, the periphery of the driving disc abuts against limiting plates located at the upper end and the lower end of the guide frame, meanwhile, two sides of the guide frame abut against the guide plates to enable the guide frame to only longitudinally slide, the eccentric shaft rotates to enable the driving disc to eccentrically rotate, and the eccentric rotation of the driving disc drives the guide frame to longitudinally slide in a reciprocating mode. The reciprocating longitudinal sliding of leading truck makes the reciprocal longitudinal movement of drive post, and the reciprocal longitudinal movement of drive post drives the reciprocal longitudinal movement of driven groove, makes the pole reciprocating motion of whetting a knife relatively adjusting, grinds sword piece and cutting edge reciprocating motion promptly for the cutting edge is ground, has increased speed and the effect of whetting a knife, has shortened the time of whetting a knife, labour saving and time saving.

In the sharpening process, the sharpening block which is abutted against the cutting edge can be changed by rotating the adjusting knob, so that the cutting edge is sharpened by various sharpening blocks, and a better sharpening effect is achieved. After the knife sharpening is finished, the knife sharpening button is pressed again, and the controller controls the lifting motor to continue rotating so that the first sliding frame moves to the initial position. The controller controls the tightening motor gear to rotate reversely, so that the two tightening rods move to the initial positions far away from each other, the connecting rod relatively rotates to the initial position, the second sliding frame moves to the limit position far away from the first sliding frame, and the knife sharpening block does not abut against the knife edge. And taking out the knife, and inserting the knife into the knife storage socket for storage.

According to the invention, the sliding part is arranged, the sliding part comprises the first sliding frame and the second sliding frame which are horizontally and slidably connected, the two abutting rods can move relatively by the operation of the abutting motor, so that the two connecting rods rotate relatively, the second sliding frame moves towards the direction of the first sliding frame, and the knife grinding block arranged on the second sliding frame can keep a set pressure value with the knife edge all the time under the continuous operation of the abutting motor; in addition, lifting motor drives the reciprocating rotation of lead screw for the reciprocal longitudinal sliding of sliding part, cutting edge and the relative motion of piece of whetting a knife make the cutting edge ground, need not manual operation, and simple to use, labour saving and time saving.

According to the invention, the knife sharpening assemblies are arranged, the adjusting rods are arranged on the second sliding frame in a crossed manner, so that the knife sharpening blocks of the two knife sharpening rods can respectively abut against two ends of the cutting edge, and when the lifting motor drives the sliding part to longitudinally slide, the knife sharpening blocks and the cutting edge rub in a reciprocating manner, so that the cutting edge is uniformly sharpened, manual excessive intervention is not needed, and the use is simple and convenient; the piece of whetting a knife that is provided with multiple material on the pole of simultaneously grinding the knife rotates adjust knob, can make the cross position of adjusting the pole change promptly for the piece matter of whetting a knife that offsets with the cutting edge changes, and then can carry out edging, corase grind, correct grinding etc. to the knife respectively, selects the most effective mode of whetting a knife according to the particular case of sword to gain better effect of whetting a knife.

According to the invention, by arranging the linkage assembly, when the sliding part slides longitudinally, the cutting edge and the knife sharpening block move relatively, so that the cutting edge is sharpened, the use is simple, and the time and the labor are saved; in the process, the sliding part longitudinally slides to enable the first linkage wheel to move relative to the lifting rack, so that the first linkage wheel rotates, the first linkage wheel rotates to enable the eccentric shaft to rotate through the reduction gearbox, the driving disc rotates to drive the guide frame to slide in a reciprocating longitudinal mode, then the knife sharpening rod is enabled to rotate in a reciprocating mode relative to the adjusting rod, the knife sharpening block is made to rotate in a reciprocating mode and rub with the cutting edge, the knife sharpening effect is improved, the knife sharpening time is shortened, the structure is simple, and no new operation step is added.

According to the automatic knife sharpening device, the knife can be automatically and uniformly sharpened, the knife can be automatically sharpened only by inserting the knife into the sharpening insertion opening, the knife edge is uniformly ground, and the workload is reduced; the automatic knife sharpening device can sharpen various types of knives, when the knives with different widths are inserted, the sharpening block always has a set pressure value with the knife edge, so that the knives can be sharpened automatically without adjustment, and the compatibility is high; the invention has a plurality of knife sharpening blocks with different purposes, a tungsten steel knife sharpening block for sharpening the blunt knife, a diamond knife sharpening block for daily coarse grinding and a ceramic knife sharpening block for polishing and fine grinding, and different knife sharpening blocks are switched according to the specific conditions of the knife, so that the knife sharpening effect is better; the invention mostly adopts automatic operation, does not need excessive manual work, and is time-saving and labor-saving.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

Fig. 3 is a schematic exploded view of the present invention.

Fig. 4 is a schematic sectional view of the outer case of the present invention.

Fig. 5 is a schematic cross-sectional view of the upper end cap of the present invention.

Fig. 6 is an exploded view of the sliding part of the present invention.

Fig. 7 is a schematic structural view of a lifting motor and a lead screw of the present invention.

FIG. 8 is an exploded view of the sharpening assembly according to the present invention.

FIG. 9 is an exploded view of the linkage assembly of the present invention.

FIG. 10 is an exploded view of the retaining assembly of the present invention.

Fig. 11 is an exploded view of the adjustment assembly of the present invention.

Fig. 12 is a schematic view of the present invention in its configuration for sharpening a wider knife.

Fig. 13 is a schematic view of the construction of the invention for sharpening a narrower blade.

10. An outer housing; 101. a cutter storage cavity; 102. a sharpener cavity; 1021. a lifting rack; 1022. a communicating groove; 1023. rotating the tube; 1024. rotating the through hole; 103. a containment cavity; 104. a mounting cavity; 11. an upper end cover; 111. an adjusting tube; 1111. a bayonet; 1112. a gear through opening; 1113. a guide through hole; 112. a sharpening insertion port; 113. the upper abutting rack; 12. storing a tool rest; 121. a cutter storage socket; 13. positioning a rod; 131. positioning a groove; 14. a sealing plate; 141. a support table; 142. the lower abutting rack; 143. rotating the column; 2. a sliding part; 21. a first carriage; 211. a linkage plate; 212. a first support ear; 213. adjusting the through hole; 214. a linkage lug; 2141. a lifting through hole; 215. a screw rod sliding head; 216. a guide groove; 22. a second carriage; 221. a linkage port; 222. a second support ear; 223. a guide plate; 224. a positioning column; 225. a connecting rod rotation hole; 31. a lifting motor; 31. a lift motor gear; 32. a screw rod; 321. a screw gear; 4. a sharpening assembly; 41. grinding a cutter rod; 411. a rotating hole a; 412. a driven groove; 42. adjusting a rod; 421. a rotation hole b; 422. positioning holes; 423. rotating the lug a; 43. an inner drive rod; 431. a rotating lug b; 44. an outer drive tube; 441. a slide hole; 442. a rope hanging hole; 45. a tungsten steel sharpening block; 46. a diamond sharpening block; 47. a ceramic sharpening block; 48. a sliding head; 481. a sliding post; 5. a linkage assembly; 51. a first linkage wheel; 511. a linkage rod; 52. a second linkage wheel; 521. a linkage hole; 53. a gear case; 54. a drive disc; 541. an eccentric shaft; 55. a guide frame; 551. a drive column; 552. a limiting plate; 6. a propping component; 61. a connecting rod; 611. a connecting rod rotating head; 612 a middle connecting groove; 613. an end connection hole; 62. a connecting pin; 63. a tightening rod; 631. tightly abutting the gear; 64. tightly abutting against the motor; 641. tightly abutting against a motor gear; 65. a transmission belt; 66. a synchronizing wheel; 7. an adjustment assembly; 71. adjusting a rod; 711. an adjusting gear; 72. adjusting the rope winding roller; 721. adjusting the driven hole; 73. pulling a rope; 74. adjusting a knob; 741. a knob gear; 742. a clamping block; 75. a spring; 76. a limiting head.

Detailed Description

Referring to fig. 1 to 13, an intelligent electric knife sharpener according to the present embodiment includes an outer housing 10 and a sliding portion 2 longitudinally slidably connected in the outer housing 10; the sliding part 2 comprises a first sliding frame 21 longitudinally connected in the outer shell 10 in a sliding mode and a second sliding frame 22 which is longitudinally synchronously slid with the first sliding frame 21 and horizontally connected with the first sliding frame 21 in a sliding mode; two sharpening components 4 for sharpening are symmetrically arranged in the sliding part 2.

A sharpening cavity 102 which is connected with the sliding part 2 in a sliding way and is arranged longitudinally is formed at the upper end of the outer shell 10; the sliding part 2 is a frame structure formed by the first sliding frame 21 and the second sliding frame 22; linkage plates 211 are respectively formed at the middle part of one end of the first sliding frame 21, which faces the second sliding frame 22, close to the left side and the right side; the middle part of one end of the second sliding frame 22 facing the first sliding frame 21, which is close to the left side and the right side, is respectively provided with a linkage port 221; the linkage plate 211 is horizontally and slidably connected in the linkage port 221, so that the first sliding frame 21 and the second sliding frame 22 can longitudinally and synchronously slide.

The sharpening assembly 4 comprises an adjusting rod 42 horizontally arranged and mounted on the second sliding frame 22 and a sharpening rod 41 with one end rotatably connected to the adjusting rod 42 and abutted against the knife edge for sharpening; the rotating shaft of the grinding cutter rod 41 is horizontal and vertical to the corresponding adjusting rod 42; the adjusting rods 42 in the two sharpening assemblies 4 are arranged in a crossed manner; a pressing component 6 is arranged in the outer shell 10, and is used for enabling the second sliding frame 22 to move towards the first sliding frame 21, so that the adjusting rod 42 is kept pressed against the knife edge.

The sliding part 2 is provided with a linkage assembly 5 for driving the grinding cutter rod 41 to rotate; the linkage assembly 5 comprises a guide frame 55 longitudinally connected in the second sliding frame 22 in a sliding manner, a driving disc 54 which is rotatably connected to a rotating shaft on the second sliding frame 22 and horizontally arranged and is used for driving the guide frame 55 to longitudinally slide, and a first linkage wheel 51 which is rotatably connected to the sliding part 2 and is in transmission connection with the driving disc 54; the guide frame 55 slides longitudinally to drive one end of the grinding cutter rod 41 to move longitudinally, so that the grinding cutter rod 41 rotates relative to the adjusting rod 42; the rotating shaft of the first linkage wheel 51 and the rotating shaft of the driving disc 54 are respectively parallel to the length direction of the sharpener cavity 102; a lifting rack 1021 in transmission connection with the first linkage wheel 51 is arranged in the outer shell 10; a lifting motor 31 for driving the sliding part 2 to longitudinally slide is arranged in the outer shell 10; the lifting motor 31 is a stepping motor or a servo motor, and can accurately control the rotation angle and speed; the lifting rack 1021 is formed on the side wall of the grinding blade cavity 102 in the width direction.

A rotating hole b421 is formed in the middle of the adjusting rod 42; a rotating hole a411 which is coaxial with the rotating hole b421 is formed at one end of the grinding cutter rod 41; a first pin shaft is rotatably connected in the rotating hole a411 and the rotating hole b421, so that the grinding cutter rod 41 is rotatably connected with the adjusting rod 42; a driven groove 412 is formed at one end of the grinding cutter rod 41 far away from the rotating hole a 411; a driving post 551 inserted into the driven groove 412 and used for driving the driven groove 412 to move is formed on one side of the guide frame 55 facing the driven groove 412; when the guide frame 55 slides in the longitudinal direction in a reciprocating manner, the driving post 551 drives the driven groove 412 to move, so that the sharpening rod 41 reciprocates relative to the adjusting rod 42, and the sharpening rod 41 reciprocates relative to the blade, so that the blade is sharpened.

Guide plates 223 abutting against the outer wall of the guide frame 55 are respectively formed at the two sides of the sliding direction of the guide frame 55 at the center position of one end of the second sliding frame 22 facing the first sliding frame 21; two positioning columns 224 which are longitudinally and symmetrically arranged are fixedly connected between the two guide plates 223 at one end of the second sliding frame 22 facing the first sliding frame 21; one end of the adjusting rod 42 close to the guiding plate 223 is formed with a positioning hole 422 rotatably connected with the corresponding positioning column 224.

One end of the grinding cutter cavity 102 close to the first sliding frame 21 is rotatably connected with a screw rod 32 with a rotating shaft longitudinally arranged; a linkage lug 214 is formed at the center of one end of the first sliding frame 21 far away from the second sliding frame 22; a lifting through hole 2141 which penetrates through the linkage lug 214 and is rotationally connected with the screw rod 32 is formed at the upper end of the linkage lug 214; a screw rod sliding head 215 connected with the spiral groove on the screw rod 32 in a sliding manner is formed in the lifting through hole 2141.

An installation cavity 104 for installing the lifting motor 31 is formed at the lower end of the outer shell 10 and is positioned under the sharpener cavity 102; the lower end of the mounting cavity 104 is fixedly connected with a sealing plate 14 for sealing the mounting cavity 104; the lifting motor 31 is fixedly connected to the upper end of the sealing plate 104; the lower end of the screw rod 32 is positioned in the mounting cavity 104 and is fixedly connected with a screw rod gear 321 which is coaxial with the screw rod 32; an output shaft of the lifting motor 31 is fixedly connected with a lifting motor gear 311 which is in transmission connection with the screw rod gear 321; a rotating through hole 1024 penetrating to the mounting cavity 104 and used for allowing the screw rod 32 to penetrate is formed in the sharpener cavity 102; a support platform 141 is formed at the upper end of the sealing plate 104 and positioned at the lower end of the screw rod gear 321; the support table 141 reduces the friction between the screw gear 321 and the sealing plate 14, and the screw 32 rotates more smoothly.

When the sliding part 2 slides longitudinally, the sharpening rod 41 slides along the length direction of the blade to sharpen the blade uniformly; meanwhile, the sliding part 2 slides longitudinally, the first linkage wheel 51 moves relative to the lifting rack 1021, so as to drive the first linkage wheel 51 to rotate, the first linkage wheel 51 rotates to drive the driving disc 54 to rotate, the driving disc 54 drives the guide frame 55 to slide longitudinally, the guide frame 55 slides longitudinally, the driving post 551 drives the driven groove 412 to move, the knife grinding rod 41 reciprocates relative to the knife edge, the knife grinding efficiency is improved, manual participation is not needed, and the operation and the use are simple.

The sharpening assembly 4 further comprises an inner driving rod 43 rotatably connected with the adjusting rod 42 and used for driving the adjusting rod 42 to horizontally rotate, and an outer driving tube 44 axially and slidably connected to the periphery of the inner driving rod 43 along the inner driving rod 43 and used for driving the inner driving rod 43 to move; the outer driving pipe 44 is horizontally and slidably connected in the first sliding frame 21; and a plurality of sharpening blocks which are made of different materials and can abut against the cutting edge are respectively arranged at one end of each sharpening rod 41 facing the cutting edge.

A rotating lug a423 is formed at one end of the adjusting rod 42 far away from the guide frame 55; a rotating lug b431 which is coaxial with the rotating lug a423 is formed at one end of the inner driving rod 43 facing the guide frame 55; a second pin shaft is rotatably connected in the rotating lug a423 and the rotating lug b431, so that the adjusting rod 42 is rotatably connected with the inner driving rod 43; a sliding hole 441 connected with the inner driving rod 43 in a sliding manner is formed in the center of one side of the outer driving pipe 44 facing the guide frame 55; the sliding hole 441 and the inner driving rod 43 have the same cross section and are non-circular structures, and the inner driving rod 43 can only slide along the axial direction of the outer driving pipe 44 and cannot rotate relatively.

The end of the first sliding frame 21 far away from the second sliding frame 22 is formed with two guide grooves 216 penetrating through the first sliding frame 21; one end of the outer driving pipe 44, which is far away from the guide frame 55, is positioned outside the first sliding frame 21 and is fixedly connected with a sliding head 48; the end of the sliding head 48 facing the outer driving pipe 44 is formed with a sliding column 481 which is slidably connected with the guide groove 216; the sliding head 48 and the outer driving tube 44 respectively abut against the inner and outer walls of the first sliding frame 21 so that the outer driving tube 44 can only slide in the width direction of the sharpening cavity 102.

An adjusting assembly 7 for driving the two outer driving pipes 44 to move relatively is arranged in the outer shell 10; the adjusting assembly 7 comprises an adjusting rope winding roller 72 which is rotatably connected with a rotating shaft in the first sliding frame 21 and is longitudinally arranged, an adjusting rod 71 which is longitudinally arranged and rotatably connected with the adjusting rope winding roller 72 in the outer shell 10 and is longitudinally and slidably connected with the adjusting rope winding roller 72, two pull ropes 73 with one ends fixedly connected with the periphery of the adjusting rope winding roller 72, and an adjusting knob 74 which is rotatably connected with the outer shell 10 and is used for driving the adjusting rope winding roller 72 to rotate; the other end of the pull rope 73 is fixedly connected with the corresponding outer driving pipe 44; a rope hanging hole 442 fixedly connected with the pull rope 73 is formed at one end of the outer driving pipe 44 away from the guide frame 55.

An adjusting driven hole 721 penetrating through the adjusting rope winding roller 72 is axially formed in the adjusting rope winding roller 72; the adjusting rod 71 is positioned in the adjusting driven hole 721, and the outer wall of the adjusting rod 71 is abutted against the inner wall of the adjusting driven hole 721; the cross sections of the adjusting rod 71 and the adjusting driven hole 721 are of non-circular structures with the same shape, the adjusting rod 71 rotates to drive the adjusting rope winding roller 72 to rotate synchronously, and the adjusting rope winding roller 72 can slide longitudinally relative to the adjusting rod 71.

An adjusting gear 711 in transmission connection with the adjusting knob 74 is formed in the center of the upper end of the adjusting rod 71; a knob gear 741 in transmission connection with the adjusting gear 711 is formed on the periphery of the adjusting knob 74; synchronous plates are respectively formed at the upper end and the lower end of the adjusting rope winding roller 72 on the first sliding frame 21; an adjusting through hole 213 which penetrates through the synchronizing plate and is used for the adjusting rod 71 to pass through is formed at the upper end of the synchronizing plate; the upper end and the lower end of the adjusting rope winding roller 72 are respectively abutted against the synchronous plate, so that the adjusting rope winding roller 72 can synchronously and longitudinally slide with the first sliding frame 21; a rotating tube 1023 rotatably connected with the adjusting rod 71 is formed at the inner bottom end of the sharpener cavity 102.

When the adjusting knob 74 rotates, the knob gear 741 drives the adjusting gear 711 to rotate so as to rotate the adjusting rod 71, the adjusting rod 71 rotates to drive the adjusting driven hole 721 to rotate so as to rotate the adjusting rope winding roller 72, the adjusting rope winding roller 72 winds or releases the pulling rope 73, so that the two outer driving pipes 44 move in opposite directions or in opposite directions, that is, the included angle of the adjusting rod 42 changes, so that the included angle of the two grinding cutter bars 41 changes, the abutting assembly 6 enables the grinding cutter bars 41 to always abut against the cutting edge, and when the adjusting rope winding roller 72 releases the pulling rope 73, the grinding cutter bars 41 still abut against the cutting edge, so that the quality of the grinding blocks abutting against the cutting edge changes, and different grinding purposes are achieved.

The abutting assembly 6 comprises two horizontally arranged connecting rods 61 with the middle parts connected with each other, two longitudinally arranged abutting rods 63 symmetrically slidably connected in the outer shell 10, an abutting motor 64 fixedly connected in the outer shell 10 and positioned in the installation cavity 104, and a transmission belt 65 positioned in the installation cavity 104 and respectively in transmission connection with the abutting motor 64 and the two abutting rods 63; one end of the connecting rod 61 is rotatably connected with the second sliding frame 22, and the other end of the connecting rod 61 is connected with the corresponding abutting rod 63 and can synchronously move along the horizontal direction with the abutting rod 63; a lower abutting rack 142 in transmission connection with the two abutting rods 63 is arranged at the inner bottom end of the outer shell 10; the two abutment bars 63 are located inside and outside the belt 65, respectively, so that the rotational directions of the two abutment bars 63 are opposite.

A positioning rod 13 which is longitudinally arranged is fixedly connected with the inner bottom end of the grinding cutter cavity 102; a positioning groove 131 which is longitudinally arranged and has an open upper end is formed in the center of one side of the positioning rod 13 facing the guide frame 55; when the blade abuts against the sharpening rod 41, the back of the blade is located in the positioning groove 131.

A middle connecting groove 612 is formed in the center of the upper end of the connecting rod 61 along the length direction; a longitudinally arranged connecting pin 62 is slidably connected in one of the middle connecting slots 612; the other middle connecting groove 612 is slidably connected with the connecting pin 62; a connecting rod rotating hole 225 which is rotatably connected with the corresponding connecting rod 61 is respectively formed at one end, close to the left side and the right side, of the lower part of the second sliding frame 22, far away from the sliding frame 21; one end of the upper end of the connecting rod 61 close to the connecting rod rotating hole 225 is fixedly connected with a connecting rod rotating head 611 which is rotatably connected with the corresponding connecting rod rotating hole 225; an end connecting hole 613 which is connected with the corresponding abutting rod 63 in a sliding manner is formed at one end of the upper end of the connecting rod 61, which is far away from the connecting rod rotating head 611.

The upper end of the sharpener cavity 102 is fixedly connected with an upper end cover 11 for sealing the sharpener cavity 102; a sharpening insertion hole 112 which penetrates through the upper end cover 11 and is used for inserting a knife into the sharpening cavity 102 is formed in the center of the upper end cover 11; an upper abutting rack 113 in transmission connection with the two abutting rods 63 is formed at the lower end of the upper end cover 11; the central positions of the upper and lower ends of the abutting rod 63 are respectively provided with an abutting gear 631; the abutting gear 631 of the abutting rod 63 located above is in transmission connection with the upper abutting rack 113; the abutting gear 631 positioned below the abutting rod 63 is in transmission connection with the lower abutting rack 142; the abutting gear 631 positioned below the abutting rod 63 is in transmission connection with the transmission belt 65; the lower end of the sharpener cavity 102 is formed with a communication groove 1022 for passing the tightening rod 63 therethrough, which extends through the mounting cavity 104.

The lower abutting rack 142 is formed at the upper end of the sealing plate 14; a plurality of synchronous wheels 66 which are in transmission connection with the transmission belt 65 and used for tensioning the transmission belt 65 are rotatably connected above the sealing plate 14; a plurality of rotating columns 143 which are longitudinally arranged and are respectively connected with the synchronizing wheels 66 in a rotating way are formed at the upper end of the sealing plate 14; a tight-resisting motor gear 641 in transmission connection with the transmission belt 65 is fixedly connected to an output shaft of the tight-resisting motor 64; the tightening motor 64 is a stepping motor or a servo motor, and can accurately control the rotating speed and the rotating torque.

When the tightening motor 64 rotates, the tightening motor gear 641 drives the transmission belt 65 to rotate, the transmission belt 65 rotates to drive the tightening gear 631 located below to rotate so as to rotate the tightening rod 63, the tightening gear 631 faces the lower tightening rack 142 and the upper tightening rack 113 to rotate, so that the tightening gear 631 moves in the opposite direction or in the opposite direction, that is, the tightening rods 63 move in the opposite direction or in the opposite direction, the tightening rods 63 move so as to enable the end connecting holes 613 to move in the opposite direction or in the opposite direction, so that the two connecting rods 61 rotate in the opposite direction, and the connecting rod rotating head 611 drives the second sliding frame 22 to horizontally slide.

When the tightening motor 64 rotates in the forward direction, the two tightening rods 63 move in opposite directions, and the second sliding frame 22 moves toward the direction close to the first sliding frame 21.

When the tightening motor 64 rotates reversely, the two tightening rods 63 move back to back, and the second sliding frame 22 moves away from the first sliding frame 21.

When the sword of inserting different width in the socket 112 of whetting a knife sharpens a knife, support tight motor 64 and can accurate control output torque, make second carriage 22 to first carriage 21 direction motion makes there is the pressure value of settlement in the pole 41 of grinding a knife and the cutting edge, need not manual control, uses easy operation, simultaneously, when inserting different width sword at every turn, need not to adjust, has certain compatibility.

Linkage assembly 5 further includes a gear box 53 fixedly attached to second carriage 22; an eccentric shaft 541 is formed at a non-central position of one end of the driving disc 54 facing the gear box 53; the eccentric shaft 541 and the first linkage wheel 51 are respectively in transmission connection with a gear set in the gear box 53; the longitudinal sharpening makes the sharpening rod 41 and the cutting edge reciprocate for sharpening, thereby increasing sharpening efficiency, shortening sharpening time and simultaneously not adding new operation steps.

Two first support lugs 212 are formed on one side, close to the lifting rack 1021, of the upper end, far away from the second sliding frame 22, of the first sliding frame 21; the first linkage wheel 51 is positioned between the two first supporting ears 212; a linkage rod 511 is formed at the center of one end of the first linkage wheel 51 facing the second sliding frame 22; the linkage rod 511 penetrates through the gear direction 53 to be in transmission connection with the gear set, namely the linkage rod 511 is in transmission connection with the eccentric shaft 541.

A second linkage wheel 52 in transmission connection with the lifting rack 1021 is connected to the periphery of the linkage rod 511 in a sliding manner along the axial direction; a linkage hole 521 which penetrates through the second linkage wheel 52 and is connected with the linkage rod 511 in a sliding manner is formed in the center of one end, facing the first sliding frame 21, of the second linkage wheel 52; the cross sections of the linkage hole 521 and the linkage rod 511 are of non-circular structures with the same shape; the linkage rod 511 rotates circumferentially to drive the linkage hole 521 to move synchronously, that is, the first linkage wheel 51 and the second linkage wheel 52 rotate synchronously; two second support lugs 222 are formed on one side of the upper end of the second sliding frame 22 far away from the first sliding frame 21 and close to the lifting rack 1021; the second linkage wheel 52 is positioned intermediate the two second support ears 222.

Limiting plates 552 which are abutted against the periphery of the driving disc 54 are respectively formed at the upper end and the lower end of the guide frame 55; when the first sliding frame 21 longitudinally slides, the first linkage wheel 51 and the lifting rack 1021 move relatively to enable the first linkage wheel 51 to rotate circumferentially, that is, the linkage rod 511 rotates circumferentially to drive the eccentric shaft 541 to rotate, so that the driving disc 54 rotates, the driving disc 54 rotates eccentrically to enable the guide frame 55 to slide up and down in a reciprocating manner, and the sharpening rod 41 rotates in a reciprocating manner to sharpen a knife.

A fixture block 742 is formed on the periphery of the adjusting knob 74; the outer case 10 is provided with a plurality of bayonets 1111 capable of being engaged with the respective bayonets 742.

An adjusting pipe 111 which is recessed downwards is formed at the upper end of the upper end cover 11 and is positioned on the periphery of the adjusting knob 74; a gear through hole 1112 penetrating into the grinding cutter cavity 102 is formed in the inner wall of the adjusting pipe 111; the adjusting gear 711 is in transmission connection with the knob gear 741 through the gear through hole 1112; a guide through hole 1113 penetrating through the adjusting tube 111 is formed in the center of the lower end of the adjusting tube 111; the central position of the lower end of the adjusting knob 74 is positioned in the sharpener cavity 102 and is fixedly connected with a limiting head 76; a spring disc with the diameter larger than that of the limiting head 76 is formed at the lower end of the limiting head 76; a spring 75 for moving the adjusting knob 74 downwards is arranged between the spring disc and the upper end cover 11 and is positioned on the periphery of the limiting head 76.

When the adjusting knob 74 is located at the lower limit position, the fixture block 742 is located in one of the bayonets 1111, the adjusting knob 74 cannot rotate circumferentially, and two ends of the knife edge abut against the knife sharpening block.

When the adjusting knob 74 is located at the upper limit position, the adjusting knob 74 can rotate circumferentially to adjust the sharpening block abutted against the cutting edge, and only when the adjusting knob 74 is lifted upwards, the adjusting knob 74 can be rotated to change the sharpening block abutted against the cutting edge, so that the mistaken touch is avoided.

The sharpening blocks are a tungsten steel sharpening block 47 for sharpening the blunt knife, a diamond sharpening block 48 for daily rough grinding and a ceramic sharpening block 49 for polishing and fine grinding; the knife grinding block is selected to be suitable according to the specific conditions of the knife, so that the effect of achieving twice with half the effort can be achieved.

A cutter storage cavity 101 is formed at the upper end of the outer shell 10 and positioned at one side of the cutter grinding cavity 102; the upper end of the knife storage cavity 101 is fixedly connected with a knife storage rack 12 for placing a knife; the upper end of the knife storage frame 12 is formed with a plurality of knife storage sockets 121 for inserting knives into the knife storage cavity 101. Insert deposit the handle of a knife in sword socket 121 and be located deposit knife rest 12 tops, the knife of being convenient for is got and is used, simultaneously with the knife face of food contact be located deposit sword chamber 101, can stop dust pollution to a certain extent, water on the sword can drop under the action of gravity simultaneously, prevents that knife face bacterial growing, clean health.

A containing cavity 13 is formed at the upper end of the outer shell 10 on one side of the sharpener cavity 102 far away from the sharpener cavity 101; the scissors, various kitchen supplies such as tableware can be placed in the holding cavity 13, the storage space is increased, and the kitchen table top is tidy.

A controller is arranged in the mounting cavity 104; the outer wall of the outer shell 10 is provided with a pressing button and a sharpening button; a power plug for supplying power to the controller is arranged on the outer wall of the outer shell 10; the pressing button, the knife sharpening button, the power plug, the lifting motor 31 and the pressing motor 64 are electrically connected with the controller.

In the initial state, the slide portion 2 is located at the upper limit position, and the two tightening levers 63 are located at the limit positions away from each other.

The sword uses can produce after a period and become blunt, the edge of a knife is not sharp, and the cutting edge has multiple condition such as burr, influences the use of sword, need whet a knife, uses this product to whet a knife when, places this product on the horizontal plane to with this product switch on. The knife to be sharpened is placed into sharpening slot 112 while the back of the knife is slid down detent 131 so that the knife moves to the lower limit. Then, the "tightening" button is pressed, the controller controls the tightening motor 64 to work, so that the tightening motor gear 641 rotates in the forward direction, the tightening motor gear 641 rotates in the forward direction to drive the transmission belt 65 to rotate in the forward direction, the two tightening gears 631 located below are respectively in transmission connection with the inner side and the outer side of the transmission belt 65, and the transmission belt 65 rotates in the forward direction to enable the two tightening gears 631 to rotate synchronously and in opposite directions. The two lower abutting gears 631 are respectively in transmission connection with the lower abutting rack 142, and the forward rotation of the transmission belt 65 drives the abutting gears 631 to move relative to the lower abutting rack 142, so that the two abutting gears 631 move in the opposite direction, that is, the two abutting rods 63 move in the opposite direction. Two connecting rod 61 middle part interconnect, connecting rod 61 one end is rotated with second carriage 22 and is connected, and the connecting rod 61 other end rotates with the pole 63 that supports that corresponds to be connected, and two support pole 63 opposite movement make two connecting rod 61 rotate relatively, make second carriage 22 to first carriage 21 direction motion then, sharpen piece 41 and cutting edge support tightly. The controller will then control the torque against the motor 64 so that a pressure value of set force is always present between the sharpening block and the blade.

The sharpening rod 41 is provided with a plurality of sharpening blocks, including a tungsten steel sharpening block 47 for sharpening a blunt knife, a diamond sharpening block 48 for daily rough sharpening and a ceramic sharpening block for polishing and fine sharpening, and a proper gear is selected according to the specific conditions of the knife. When the gear is adjusted, the adjusting knob 74 is held by the hand to be lifted upwards, so that the fixture 742 is separated from the bayonet 1111, meanwhile, the spring 75 is compressed, the adjusting knob 74 is rotated to enable the fixture 742 to be opposite to the bayonet 1111 corresponding to the gear, the adjusting knob 74 is loosened, the adjusting knob 74 moves downwards under the action of the elastic force of the spring 75, and then the fixture 742 enters the opposite bayonet 1111. When the adjusting knob 74 rotates, the knob gear 741 rotates to drive the adjusting gear 711 to rotate, so that the adjusting lever 71 rotates, and the adjusting lever 71 rotates to drive the adjusting driven hole 721 to rotate, so that the adjusting rope-winding roller 72 rotates. The motor 64 is tightly abutted to enable the grinding cutter rod 41 to keep a set pressure value with the cutting edge all the time, the pull rope 73 is in a stretched state all the time, the rope winding roller 72 is adjusted to rotate, the outer driving pipe 44 is enabled to move in the opposite direction or in the opposite direction through the pull rope 73, and the outer driving pipe 44 moves to enable the sliding hole 441 to drive the inner driving rod 43 to move. The sharpening rod 41 is rotatably connected to the adjusting rod 42, the two adjusting rods 42 are arranged in a crossed mode, the adjusting rod 42 is rotatably connected with the inner driving rod 43, the inner driving rod 43 moves to drive the two adjusting rods 42 to change the crossed angle, and therefore the sharpening block abutted against the cutting edge is changed into the sharpening block corresponding to the gear.

Subsequently, when the knife sharpening button is pressed, the controller controls the lifting motor 31 to rotate for a set time T1, so that the lifting motor gear 311 rotates reversely, and the lifting motor gear 311 rotates reversely to drive the screw rod gear 321 to rotate so that the screw rod 32 rotates reversely. The screw rod sliding head 215 on the first sliding frame 21 is slidably connected in the spiral groove on the screw rod 32, the screw rod 32 rotates reversely, so that the screw rod sliding head 215 slides downwards under the guiding effect of the screw rod 32, that is, the first sliding frame 21 slides downwards, so that the linkage plate 211 drives the linkage port 221 to synchronously slide downwards, that is, the second sliding frame 22 and the first sliding frame 21 synchronously slide downwards. After the set time T1 is over, the controller controls the lifting motor 31 to rotate again for the set time T1, so that the lifting motor gear 311 rotates forward, the first sliding frame 21 slides upward under the guiding action of the screw rod 32, and simultaneously the second sliding frame 22 slides upward synchronously with the first sliding frame 21. So reciprocating, the reciprocal longitudinal sliding of second carriage 22 makes whetting a knife piece and blade relative motion, and then makes the blade evenly ground, and is simple to use, need not artifical too much operation.

In the reciprocating longitudinal sliding process of the first sliding frame 21, the first linkage wheel 51 and the lifting rack 1021 move relatively, so that the first linkage wheel 51 rotates in a reciprocating mode, the first linkage wheel 51 rotates to enable the linkage rod 511 to rotate, the linkage rod 511 and the eccentric shaft 541 are in transmission connection with a gear set in the gear box 53 respectively, and the linkage rod 511 rotates to drive the eccentric shaft 541 to rotate. The eccentric shaft 541 is formed at the non-central position of the driving disc 54, the periphery of the driving disc 54 abuts against the limiting plates 552 positioned at the upper end and the lower end of the guide frame 55, meanwhile, two sides of the guide frame 55 abut against the guide plates 223, so that the guide frame 55 can only longitudinally slide, the driving disc 54 eccentrically rotates due to the rotation of the eccentric shaft 541, and the driving disc 54 eccentrically rotates to drive the guide frame 55 to longitudinally slide back and forth. The guide frame 55 slides in the reciprocating longitudinal direction to enable the driving post 551 to move in the reciprocating longitudinal direction, the driving post 551 moves in the reciprocating longitudinal direction to drive the driven groove 412 to move in the reciprocating longitudinal direction, and then the knife grinding rod 41 rotates in the reciprocating manner relative to the adjusting rod 42, namely, the knife grinding block moves in the reciprocating manner with the knife edge, so that the knife edge is ground, the knife grinding speed and the knife grinding effect are increased, the knife grinding time is shortened, and time and labor are saved.

In the sharpening process, the sharpening block abutting against the blade can be changed by rotating the adjusting knob 74, so that the blade is sharpened by various sharpening blocks, thereby achieving a better sharpening effect. After the sharpening is completed, the "sharpening" button is pressed again, and the controller controls the lifting motor 31 to rotate continuously so that the first sliding frame 21 moves to the initial position. Then the controller controls the tightening motor gear 641 to rotate reversely, so that the two tightening rods 63 move to initial positions far away from each other, and further the connecting rod 61 relatively rotates to the initial position, the second sliding frame 22 moves to a limit position far away from the first sliding frame 21, and the sharpening block no longer abuts against the knife edge. The knife is taken out and inserted into the knife storage slot 121 for storage.

According to the invention, the sliding part 2 is arranged, the sliding part 2 comprises the first sliding frame 21 and the second sliding frame 22 which are horizontally and slidably connected, the two abutting rods 63 can move relatively by the operation of the abutting motor 64, so that the two connecting rods 61 rotate relatively, the second sliding frame 22 moves towards the direction of the first sliding frame 21, the knife grinding rod 41 arranged on the second sliding frame 22 can keep a set pressure value with the knife edge all the time under the continuous operation of the abutting motor 64, the length direction of the knife edge is uniformly rubbed when the knife is grinded, the knife grinding effect is good, meanwhile, when the knives with different widths are grinded, the knife grinding block can also abut against the knife edge, manual adjustment is not needed, and the compatibility is high; in addition, lifting motor 31 drives lead screw 32 reciprocating rotation for the reciprocal longitudinal sliding of sliding part 2, cutting edge and the relative motion of piece of whetting a knife, make the cutting edge ground, need not manual operation, simple to use, labour saving and time saving.

According to the invention, the knife sharpening components 4 are arranged, the adjusting rods 42 are arranged on the second sliding frame 22 in a crossed manner, so that the knife sharpening blocks of the two knife sharpening rods 41 can respectively abut against two ends of the knife edge, and when the lifting motor 31 drives the sliding part 2 to longitudinally slide, the knife sharpening blocks and the knife edge rub in a reciprocating manner, so that the knife edge is uniformly sharpened, manual excessive intervention is not needed, and the use is simple and convenient; simultaneously grind the piece of whetting a knife that is provided with multiple material on the cutter arbor 41, rotate adjust knob 74, can make the cross position of adjusting pole 42 change, make promptly and whet a knife the piece material quality change that offsets with the cutting edge, and then can carry out edging, corase grind, accurate grinding etc. to the knife respectively, select the most effective mode of whetting a knife according to the particular case of sword to gain better effect of whetting a knife.

According to the invention, by arranging the linkage assembly 5, when the sliding part 2 slides longitudinally, the cutting edge and the knife sharpening block move relatively, so that the cutting edge is sharpened, the use is simple, and the time and the labor are saved; in this process, the sliding part 2 longitudinally slides to enable the first linkage wheel 51 and the lifting rack 1021 to move relatively, so that the first linkage wheel 51 rotates, the first linkage wheel 51 rotates to enable the eccentric shaft 541 to rotate through the reduction gearbox 53, and further the driving disc 54 rotates, the driving disc 54 rotates to drive the guide frame 55 to longitudinally slide in a reciprocating mode, and then the grinding tool rod 41 is enabled to relatively adjust the rod 42 to rotate in a reciprocating mode, namely, the grinding tool block is in reciprocating friction with the cutting edge, the grinding effect is improved, the grinding time is shortened, the structure is simple, and no new operation step is added.

Claims

1. The utility model provides an electronic sharpener of intelligence which characterized in that: comprises an outer shell and a sliding part longitudinally connected in the outer shell in a sliding way; the sliding part comprises a first sliding frame longitudinally connected in the outer shell in a sliding manner and a second sliding frame which is longitudinally synchronous with the first sliding frame in a sliding manner and horizontally connected with the first sliding frame in a sliding manner; two knife sharpening components for sharpening the knife are symmetrically arranged in the sliding part; the knife sharpening assembly comprises an adjusting rod arranged on the second sliding frame and a knife sharpening rod, one end of the knife sharpening rod is rotatably connected to the adjusting rod and is abutted to the cutting edge for sharpening; the adjusting rods in the two knife sharpening assemblies are arranged in a crossed manner; a pressing component used for enabling the second sliding frame to move towards the first sliding frame and then enabling the adjusting rod to be tightly pressed against the cutting edge is arranged in the outer shell; the sliding part is provided with a linkage assembly for driving the knife sharpening rod to rotate; the linkage assembly comprises a guide frame longitudinally connected in the second sliding frame in a sliding manner, a driving disc rotationally connected to the second sliding frame and used for driving the guide frame to longitudinally slide, and a first linkage wheel rotationally connected to the sliding part and in transmission connection with the driving disc; the guide frame slides longitudinally to drive one end of the sharpening rod to move longitudinally, so that the sharpening rod rotates relative to the adjusting rod; a lifting rack in transmission connection with the first linkage wheel is arranged in the outer shell; a lifting motor for driving the sliding part to longitudinally slide is arranged in the outer shell; when the sliding part slides longitudinally, the knife sharpening rod slides along the length direction of the knife edge to sharpen the knife edge uniformly; meanwhile, the sliding part longitudinally slides to drive the first linkage wheel to rotate, so that the driving disc drives the guide frame to longitudinally slide, the knife grinding rod reciprocates relative to the knife edge, and the knife grinding efficiency is improved.

2. The intelligent electric sharpener of claim 1, wherein: the knife sharpening assembly also comprises an inner driving rod which is rotationally connected with the adjusting rod and is used for driving the adjusting rod to horizontally rotate, and an outer driving pipe which is axially and slidably connected to the periphery of the inner driving rod along the inner driving rod and is used for driving the inner driving rod to move; the outer driving pipe is horizontally connected in the first sliding frame in a sliding manner; one end of each sharpening rod facing the cutting edge is respectively provided with a plurality of sharpening blocks which are made of different materials and can be abutted against the cutting edge; an adjusting component for driving the two outer driving pipes to move relatively is arranged in the outer shell; the adjusting assembly comprises an adjusting rope winding roller which is rotatably connected in the first sliding frame, two pull ropes of which one ends are fixedly connected to the periphery of the adjusting rope winding roller, and an adjusting knob which is rotatably connected to the outer part of the outer shell and is used for driving the adjusting rope winding roller to rotate; the other end of the pull rope is fixedly connected with the corresponding outer driving pipe respectively; when the adjusting knob rotates, the rope winding roller is adjusted to wind or loosen the pull rope, so that the two outer driving pipes move in opposite directions or in opposite directions, the included angle of the two grinding cutter rods is changed, the grinding cutter blocks abutting against the cutting edges are changed in quality, and different grinding purposes are achieved.

3. The intelligent electric sharpener of claim 1, wherein: the abutting component comprises two connecting rods with the middle parts mutually connected, two longitudinally arranged abutting rods symmetrically and slidably connected in the outer shell, an abutting motor fixedly connected in the outer shell and a transmission belt in transmission connection with the abutting motor and the two abutting rods respectively; one end of the connecting rod is rotatably connected with the second sliding frame, and the other end of the connecting rod is connected with the corresponding tightening rod and can synchronously move along the horizontal direction with the tightening rod; a lower abutting rack in transmission connection with the two abutting rods is arranged at the inner bottom end of the outer shell; the two abutting rods are respectively positioned on the inner side and the outer side of the transmission belt, so that the rotating directions of the two abutting rods are opposite; when the tightening motor rotates forwards, the two tightening rods move oppositely, and the second sliding frame moves towards the direction close to the first sliding frame; when the tightening motor rotates reversely, the two tightening rods move back to back, and the second sliding frame moves towards the direction far away from the first sliding frame.

4. The intelligent electric sharpener of claim 1, wherein: the linkage assembly further comprises a gear box fixedly connected to the second sliding frame; an eccentric shaft is formed at a position, which is not at the center, of one end of the driving disc, which faces the gear box; the eccentric shaft and the first linkage wheel are respectively in transmission connection with a gear set in the gear box.

5. The intelligent electric sharpener of claim 2, wherein: a clamping block is formed on the periphery of the adjusting knob; the outer shell is provided with a plurality of bayonets which can be respectively clamped with the clamping blocks; when the adjusting knob is located at the lower limit position, the fixture block is located in one fixture opening, the adjusting knob cannot rotate circumferentially, and two ends of the cutting edge abut against the sharpening block; when the adjusting knob is located at the upper limit position, the adjusting knob can rotate circumferentially, and then the knife sharpening block abutting against the knife edge is adjusted.

6. The intelligent electric sharpener of claim 2, wherein: the sharpening blocks are a tungsten steel sharpening block for sharpening the blunt knife, a diamond sharpening block for daily coarse grinding and a ceramic sharpening block for polishing and fine grinding.

7. The intelligent electric sharpener of claim, wherein: a cutter storage cavity is formed at the upper end of the outer shell; the upper end of the knife storage cavity is fixedly connected with a knife storage rack for placing a knife; and a plurality of knife storage insertion holes used for inserting knives into the knife storage cavity are formed in the upper end of the knife storage frame.

8. The intelligent electric sharpener of claim, wherein: a containing cavity is formed at the upper end of the outer shell; the containing cavity is added with a containing space, so that the kitchen table top is tidy.