CN2723111Y

CN2723111Y - Electric knife sharpener

Info

Publication number: CN2723111Y
Application number: CN 200420053690
Authority: CN
Inventors: 张永升
Original assignee: Qingdao D&D Electro Mechanical Technologies Co Ltd
Current assignee: Qingdao D&D Electro Mechanical Technologies Co Ltd
Priority date: 2004-09-10
Filing date: 2004-09-10
Publication date: 2005-09-07
Anticipated expiration: 2014-09-10

Abstract

The utility model relates to an electric knife sharpener which belongs to an electric grinding tool. The utility model comprises a basic frame, a spindle, an electromotor, a transmission mechanism, a grinding wheel and an electric control circuit, wherein, the electromotor is installed on an angular frame, the end of which is provided with a shaft hole. A pivot shaft is installed in the shaft hole and is arranged on the basic frame. A transmission wheel is fixed to the end of the spindle, and a shaft of the electromotor is tightly abutted with the edge of the transmission wheel so as to rub and drive the transmission wheel. A knife carrier is tightly fixed to a fixed frame of the basic frame through two fastening screws, and can be installed transversely or vertically. An oscillating knife wheel which coats a cowhide is fixed to the outer end of the spindle, and a rubber layer coats the outer side of the transmission wheel. A water containing box is also installed on the basic frame, and the lower part of the grinding wheel is immersed into the water containing box. The utility model has the advantages of compact structure, small volume and low noise. The electric knife sharpener is provided with various clamping tools, such as a grinding axe, a pair of scissors, a round shovel, a flat chisel, an army knife, etc., and various accessories, such as a polishing wheel, an angle board, a correction pen, etc. The utility model also has the advantages of accurate positioning, mounting and clamping operation and easy use, can ensure grinding angle and grinding quality, and can be widely used for grinding various knife tools in places, such as a family, a manual workshop, etc.

Description

Electric knife sharpener

Technical field

The utility model belongs to electronic grinding tool technical field, more particularly relates to the design of the electric knife sharpener that is used for cutters such as grinding carpenter and family expenses lathe tool, planing tool, scissors, chisel, axe, flat chisel, round shovel and purposes such as polishing and correction emery wheel.

Background technology

Traditional carpenter and family expenses knife sharpener are grinding stone and abrasive machine.By manual, grinding quality varies with each individual entirely in the use of grinding stone, directly depends on individual's technology height.Material, granularity because of grinding stone has nothing in common with each other again, not necessarily cooperates with the cutter of want sharpening.So not only the grinding quality of cutter is poor, the efficient of grinding is low, and physical demands is also bigger.

Abrasive machine has two classes.One class is a hand-driven grinder, shakes abrasive machine during work on the other hand, another hand grinding knife tool, and action is difficult to coordinate, and grinding quality also just is difficult to guarantee.Another kind of is existing electric grinder, generally adopts belt drive system, complex structure, and volume is bigger, vibrates greatly during work, and noise is also big.In addition, existing electric grinder is not all installed special fixture and the various annex that the different cutters of mill are used.Therefore, cutter can't be positioned or clamping during sharpening, can only hand cutter it is resisted against grinding on the emery wheel that rotates at a high speed.Move or shake unavoidably the position of hand-held cutter, and the angular error that human eye is estimated is big again, therefore can not guarantee the angle and the quality of tool grinding.Because of emery wheel rotates at a high speed, unless you give your whole attention to it, will influence grinding quality again, even damage cutter.

Summary of the invention

The purpose of this utility model just is to overcome above-mentioned shortcoming and defect, provides a kind of transmission system simple, reasonable, compact conformation, and volume is little; It is little to vibrate little noise during work; Have various special fixture and the annexes that are suitable for different cutters, the location of cutter and clamping when being convenient to sharpening can guarantee grinding angle and quality; The grinding efficiency height, easy to use; Be widely used in the grinding and the purposes such as polishing and correction emery wheel of multiple cutters such as carpenter and family expenses lathe tool, planing tool, scissors, chisel, axe, round shovel, flat chisel, multiple functional electric knife sharpener.

In order to achieve the above object, the utility model comprises pedestal, is installed in main shaft and motor on the pedestal, is installed in transmission mechanism between the axle of main shaft and motor, is installed in emery wheel and electric control circuit on the main shaft.Transmission mechanism is: motor is installed on the angular frame, and the end of angular frame has axis hole, and a pivot is installed in the axis hole, is pivotally mounted on the pedestal.Drive is being fixed in the end of main shaft.Motor is pressed on it on edge of drive because of its deadweight is rotated down around pivot together with angular frame, with frictional force drives it.During the motor shaft rotation, its axle borrows frictional force that drive is driven, and then drive shaft and emery wheel, finishes the sharpening task.Motor shaft of the present utility model borrows frictional force directly to drive drive, and then drive shaft and emery wheel, has saved belt transmission, and transmission system is simple and direct, compact conformation, and volume is little.And this kind of drive can also be regulated rotating speed within the specific limits automatically.Plant lotus when excessive when cutter is applied on the emery wheel, can slide between motor shaft and the drive, the rotating speed of emery wheel is reduction suitably.

A water holding box also is installed on the pedestal, and the bottom of emery wheel is immersed in the water holding box.The wettable emery wheel of water in the water holding box plays the effect of cooling cutter and emery wheel, is beneficial to grinding.

Also fixing fixed mount in the pedestal.Top and the front of pedestal respectively has two installing holes, and the top and front of fixed mount respectively has the screw that two center lines are perpendicular to one another.The diameter of one cantilevered knife rest lower end is less than the footpath, the end of screw, and its lower end is passed two installing holes and inserted in two screws.Other has two holding screws to pass its center line two other installing hole vertical with preceding two installing holes to be screwed in two other screw, and the lower end of cantilevered knife rest is fixed on the fixed mount.It can be vertical or laterally installation that this structure makes knife rest, is convenient to as required, and various dissimilar anchor clamps and annex are installed thereon flexibly, very convenient.When vertically or laterally installing, the height of knife rest or castor can be borrowed the holding screw easy adjustment.

Certainly, also can adopt similar structures to be equal to and substitute this structure.Such as, on pedestal and the front each fix the axle bed in two tape spool holes, a holding screw respectively is installed in the screw of the side of axle bed, the lower end of cantilevered knife rest is inserted respectively in the axis hole of axle bed, fastening etc. with holding screw again.

During sharpening, special fixture or various annex, cutter are installed on the knife rest, perhaps are resisted against on the knife rest, help its location, clamping is stable, to guarantee grinding quality.

The rubber layer that the drive outside is coating can increase frictional force, improves transmission efficiency; Vibration and noise in the time of simultaneously can reducing work greatly again.

A stropping wheel is also being fixed in the one end outside of the installation drive of main shaft, and the outer rim of stropping wheel is coating ox-hide.The effect of stropping wheel is " swinging " cutter, promptly removes empty sword on the cutting edge and empty burr etc. behind the sharpening, and is very convenient.

On the knife rest anchor clamps that have an axe to grind can also be installed.Have an axe to grind anchor clamps by metacoxal plate, be fixedly connected on the metacoxal plate both sides left and right sides plate, be fixedly connected on the last bent plate of metacoxal plate upside and be fixedly connected on the bent plate front side and constituted to the tongue tray of front lower place bending.Respectively have a hole on the plate of the left and right sides, two holes are concentric, can be so as to it is installed on the knife rest of electric knife sharpener.

During work, two concentric holes of the anchor clamps that will have an axe to grind earlier are inserted on the knife rest of electric knife sharpener, and adjust its position substantially.Axe is resisted against again and has an axe to grind anchor clamps in the tongue tray of front lower place bending, make its down-bite jaw, the step of going forward side by side is adjusted angle and the position that needs grinding.Axe can be stretched to wheel grinding then.Because of having an axe to grind anchor clamps against the location, will avoid moving or shake of axe certainly, guarantee the angle and the quality of axe grinding, increase work efficiency simultaneously.

On the knife rest emery wheel correction pen can also be installed.It is made up of handwriting and the diamond point that is vertically fixed in the handwriting front end.The handwriting front portion has can be so as to being installed in it transverse holes on knife rest, and diamond point is given prominence to the side in handwriting.

During work, earlier the emery wheel correction pen is inserted on the knife rest of electric knife sharpener along its transverse holes, and adjusts its position.It can be stretched to emery wheel correction then.Locate because of the installation of emery wheel correction pen is resisted against on the knife rest and with this, will avoid moving at random or shake of hand and emery wheel correction pen certainly, guaranteed the quality of emery wheel correction, improved operating efficiency simultaneously.Can also be as required, with the emery wheel correction pen along the translation of the knife rest left and right sides or swing up and down, to revise out the grinding wheel shape that meets the requirements.In case of necessity, can also adjust the height of knife rest, also just further adjust the angle of emery wheel correction pen.

Can also leather polishing wheel be installed with nuts and washers on the main shaft, it is positioned at the outside of water holding box, is made of wheel body and the ox-hide that is coated on the wheel body outer rim.The good toughness of ox-hide, the intensity height, not easy to wear, long service life.And because of the fine and close intensity height of ox-hide quality, polishing effect is very good.The outer rim of wheel body can make burnishing surface evenly not have throwing place of leakage, polishing effect excellence for the surfaces of revolution that coincide with the shape of the workpiece of needs polishings.

Ground wood worker lathe tool anchor clamps can also be installed on the knife rest.It by the base that has two screws, bottom have external screw thread with two knobs in two screws that are installed in base, be installed in pressing plate between knob shoulder and the base upside, be set in two compression springs on two knobs and between pressing plate and base upside and be fixed on below the base about two supports constituted.About respectively have one on two supports can be so as to the hole on the knife rest that is installed in electric knife sharpener.

During work, earlier knob is upwards twisted, again wood turning tool is inserted in the slit between pressing plate and the base and adjust the position, then two knobs are tightened, wood turning tool is fixed.After this just the utility model can be tilted around the rotation of the knife rest of electric knife sharpener, the cutter head of wood turning tool is resisted against on the emery wheel in addition grinding.Position as cutter head is inappropriate, should unclamp two knobs once more and be adjusted.The effect of two compression springs is that the slit that opens at any time between pressing plate and the base is convenient to wood turning tool is inserted, and can avoid two knobs loosening.

Rounding shovel anchor clamps can also be installed on the knife rest.It is gone up the underframe of strip fixing hole respectively with concentric holes by biside plate, be fixed on annular seating in the fixing hole of underframe with trip bolt, be fixed on the band angle-shaped groove in the annular seating with sunk screw anvil block, its peripheral zone external screw thread of head band endoporus constituted with the briquetting that is installed in the knob in the screw relative with sunk screw on the annular seating and is sleeved on the band angle-shaped groove in the endoporus of knob.The bottom surface of annular seating is the plane, has the countersunk head screw that is positioned on its central axis on the bottom surface and departs from its central axis so as to being fixed on the screw on the underframe.Have on the axis vertical of annular seating and be respectively applied for the screw that sunk screw and knob are installed with above-mentioned central axis.

During work, with sunk screw the anvil block of band angle-shaped groove is fixed in the annular seating earlier, and knob is installed in the screw relative of annular seating with sunk screw; Again briquetting is sleeved in the endoporus of knob; With trip bolt annular seating is fixed on the underframe then; The utility model is installed on the knife rest of electric knife sharpener at last.After this round shovel that will desire grinding inserts in the rhombus groove between anvil block and the briquetting, adjust its distance after, it is fastening with round shovel to tighten knob, just can be that the axle center swings up and down with the knife rest, round shovel is approached emery wheel carry out grinding.

Have another countersunk head screw and another screw on the annular seating on the axis vertical respectively, externally threaded another knob of head band is installed in this screw with above-mentioned central axis.In case of necessity, can compress anvil block with the knob that another knob replaces aforementioned head band endoporus.This knob is pressed on cutter on the anvil block with socket cap or nose cone, and its head is not with angle-shaped groove.Two kinds of knobs respectively have advantage, can use according to the different choice of cutter.As required, anvil block and briquetting laterally can also be installed, to compress special tool.

Have above the upper plate of underframe with its fixing hole is the angle dial at center.Unclamp trip bolt, annular seating is good according to certain angular adjustment on the angle dial, fixed again, just can regulate the horizontal grinding angle of cutter.

Mill flat chisel anchor clamps can also be installed on the knife rest.It by front and back two plates be bent into dihedral and plate both sides, back have about two screws the dihedral seat, be fixedly connected on the left and right sides plate of dihedral seat both sides, two knobs about the external screw thread that has with head is installed in the dihedral seat in two screws are constituted.Respectively having one on the plate of the left and right sides can be so as to the concentric hole on the knife rest that is installed in electric knife sharpener, and the center line of two knobs is respectively perpendicular to the axis of the knife rest that passes the hole on the plate of the left and right sides.

During work, earlier two concentric holes of the present utility model are inserted on the knife rest of electric knife sharpener successively, and adjusted its position and angle.With hand two knobs are tightened again, the utility model is fixed on the knife rest.Then the flat chisel of desiring grinding is resisted against on the header board of the present utility model, makes its down-bite jaw.Flat chisel can be stretched to wheel grinding subsequently.Because of the utility model being arranged against the location, will avoid moving at random or shake of flat chisel certainly, guarantee the angle and the quality of grinding, increase work efficiency simultaneously.

Dihedral seat and left and right sides plate are made integral structure by steel plate.This integral structure can be made by the steel plate punching press, and technology is simple, and production cost is low.

On the knife rest tool holder that grinds scissors can also be installed.Before and after it comprises two plates be bent into dihedral and plate both sides, back have about two screws the dihedral seat, be fixedly connected on the left and right sides plate of dihedral seat both sides, two knobs about the external screw thread that has with head is installed in the dihedral seat in two screws, respectively with two trip bolt secured in parallel at two guide rails on the header board of dihedral seat and be mounted on two scissors clips on the guide rail.Respectively having one on its left and right sides plate can be so as to the concentric hole on the knife rest that is installed in electric knife sharpener, and the center line of two knobs is respectively perpendicular to the axis of the knife rest that passes the hole on the plate of the left and right sides.

The scissors clip is by the base plate that has protruding handle, be installed in the screw of the left and right sides, base plate lower edge about two screws, two triangle pressing plates about about down borehole jack is contained in it respectively between two screws and the base plate, two compression springs about being sleeved on two screws and between triangle pressing plate and base plate, be installed in the last screw of two triangle pressing plates about two screws and be fixed on 4 alignment pins that the base plate lower edge is positioned at triangle pressing plate vertical center line both sides and constitute.4 alignment pins pass the respective through hole that has on the triangle pressing plate, and the following hole and the last screw of triangle pressing plate are positioned on its vertical center line.

During work, earlier two concentric holes of the present utility model are inserted on the knife rest of electric knife sharpener successively, and adjusted its position and angle.With hand two knobs are tightened again, the utility model is fixed on the knife rest.Turn the screw on the scissors clip then, the upper end of triangle pressing plate is closed to base plate, open under the tension force effect of compression spring its lower end, can insert the edge of a knife of the scissors of desiring sharpening.Screw on the counter-tightened scissors clip makes the upper end of triangle pressing plate leave base plate then, and its lower end then clamps scissors.Grasp the handle of base plate subsequently, the scissors of desiring grinding is resisted against on two guide rails together with the scissors clip, make its down-bite jaw.Scissors can be stretched to wheel grinding subsequently.Also the utility model should be swung along knife rest during grinding.Scissors guarantees the angle and the quality of grinding because of the utility model clamping being arranged and against the location, will avoiding certainly moving at random or shake, increases work efficiency simultaneously.

The effect of 4 alignment pins is with triangle pressing plate location, avoids its dislocation.About two screws in fact play the effect of fulcrum, the upper and lower end that makes the triangle pressing plate opens or closed around it.

The wide tool mounting of mill can also be installed in the knife rest installing hole of electric knife sharpener.It is by two root posts that are fixed on two holding screws on the fixed mount, be fixed on the track base on two root posts, be fixed on the guide rail on the track base, be installed in four slide blocks on the guide rail, its bottom surface is fixed on the clamp body that has the pivot hole about having on four slide blocks on two pin plates and two pin plates with screw, be installed in the pivot in the pivot hole of clamp body, be installed in clamping fixture seat on the pivot with the hole on its two sides, be fixed in one round of clamping fixture seat bottom and screw rod makes progress row's screw, be sleeved on the pressing plate on the screw rod of this row's screw, be installed on this row's screw and have the nut of convex shoulder and be sleeved on clamping fixture seat and pressing plate between tensioning spring form.

Above-mentioned clamp body has back side panel, band screw in the middle of the back side panel, construction bolt in the screw.The centre of clamping fixture seat has reclinate tongue tray, and the screw rod end of bolt withstands on the tongue tray.The effect of this structure is a sharpening angle of regulating cutter.When being screwed into bolt in the screw, its end can be with tongue tray together with clamping fixture seat with wait to grind the wide cutter jack-up that makes progress, and the angle of sharpening will reduce.In contrast, when bolt was back-outed screw, its end can make tongue tray together with clamping fixture seat with wait to grind wide cutter and fall downwards, and the angle of sharpening will increase.

During work, row's nut that will have convex shoulder earlier unclamps, and pressing plate just can be by jack-up under the tensile force effect of tensioning spring; Again wide cutter is put between clamping fixture seat and the pressing plate; Tighten this row's nut then, make its convex shoulder finish clamping on the pressing plate compressing fixture seat; At last bolt being screwed into or the screw of back-outing, regulating the sharpening angle of cutter, just can hand clamp body together with wide cutter, is the axle center move left and right with the guide rail, approaches emery wheel and carries out grinding.

Go back suit on the bolt and a compression spring, the compression spring is between the back side panel of the head of bolt and clamp body.Its effect is a tensioning bolt backward at any time, and the angle of avoiding bolt looseness to cause changes.

Can also be used with electric knife sharpener by adorning the sharpening anchor clamps on the knife rest.It by the front portion by flat chisel shape rear portion have handle base plate, be installed in supporting screw in the screw on base plate front central line, be contained in pressing plate between supporting screw and the base plate, be sleeved on compression spring on the supporting screw and between pressing plate and base plate, be installed in the screw in the screw on the pressing plate center line and be fixed on 2 alignment pins that the anterior lower edge of base plate flat chisel shape is positioned at its center line both sides with the borehole jack on its center line and constituted.2 alignment pins pass the respective through hole on the pressing plate, and the hole of pressing plate and screw are positioned on its center line.

During work, turn the screw on the pressing plate earlier, make the upper end of pressing plate shift to base plate, open under the tension force effect of compression spring its lower end, can insert the knife back of the cutter of desiring sharpening.The counter-tightened screw pushes up from base plate the upper end of pressing plate then, and its lower end then clamps cutter.Grasp the handle of base plate subsequently, the cutter of desiring grinding is resisted against on the knife rest together with the utility model, make its down-bite jaw.Cutter can be stretched to wheel grinding subsequently.Also the utility model should be swung along knife rest during grinding.Cutter is located because of the utility model clamping being arranged and being resisted against on the knife rest, will avoid certainly moving at random or shake, guarantees the angle and the quality of grinding, increases work efficiency simultaneously.

It above the middle part of base plate the plane.A locating ring is installed in the middle part of base plate, and the outer rim of locating ring also has the plane.The center on this plane has screw, is installed with one in the screw and withstands on the holding screw on the facial planes in the base plate.Locating ring can be regulated by holding screw in the position at base plate middle part.Its effect then is to regulate its position at the base plate middle part as required, then is resisted against more reliably on the knife rest of electric knife sharpener.

Can also be on its emery wheel by adorning sharpening angle standard detection template.It is tabular, has four angles.Respectively have recessed groove between its 1 jiao and 2 jiaos, 2 jiaos and 3 jiaos, 3 jiaos and 4 jiaos, have only intersecting of corresponding two angles when detecting with circular arc with assurance.When straddling on the circular arc that radius is R with 1 jiao and 2 jiaos, 1 jiao the limit and the angle of circular arc are 30 °, and 2 jiaos the limit and the angle of circular arc are 25 °.When straddling on the circular arc that radius is R with 2 jiaos and 3 jiaos, 2 jiaos the limit and the angle of circular arc are 60 °, and 3 jiaos the limit and the angle of circular arc are 20 °.When straddling on the circular arc that radius is R with 3 jiaos and 4 jiaos, 3 jiaos the limit and the angle of circular arc are 40 °, and 4 jiaos the limit and the angle of circular arc are 25 °.Near the mark on the limit at each angle has corresponding angle, for the detection of angle provides convenience.

During work, select best sharpening angle according to the cutter of desiring sharpening earlier, find corresponding angle; Then corresponding two angles of the present utility model are straddled on the abrasive wheel grinding wheel arc that radius is R, the cutter of sharpening is inserted in the angle of the limit that leans against respective corners and abrasive wheel grinding wheel arc, whether identically see.As inequality, then grinding should be added again, till identical.

Also mark above the template several cutters commonly used and corresponding best sharpening angle thereof are arranged.Be convenient to the user and contrast use at any time.Also have the aperture of being convenient to deposit usefulness on the template.Aperture can be used for the utility model is inserted into the somewhere, or passes with steel wire or line etc. and to deposit.

The utility model provides a kind of transmission system simple, reasonable, compact conformation, and volume is little; It is little to vibrate little noise during work; Have various special fixture and the annexes that are suitable for different cutters, the location of cutter and clamping when being convenient to sharpening can guarantee grinding angle and quality; The grinding efficiency height, easy to use, the electric knife sharpener that labour intensity is little.It can be widely used in the grinding and polishing and emery wheel correction of cutters such as lathe tool, planing tool, scissors, chisel, axe, flat chisel, round shovel, instrument in the places such as family, wood shop, handicraft workshop.

Description of drawings

Fig. 1 is a side view of the present utility model.

Fig. 2 is its front view, and has installed the stropping wheel additional.

Fig. 3 is the structural representation of angular frame and pivot thereof.

Fig. 4 is the schematic diagram of the knife rest of embodiment 1.

Fig. 5 is the schematic diagram that the knife rest of embodiment 1 is laterally installed.

Fig. 6 is the structural representation of anchor clamps of having an axe to grind.

Fig. 7 is the schematic diagram when having an axe to grind the anchor clamps use.

Fig. 8 is the structural representation of embodiment 2 emery wheel correction pens.

Fig. 9 is the user mode figure of emery wheel correction pen.

Figure 10 is the schematic diagram after embodiment 3 installs leather polishing wheel.

Figure 11 is the structural representation of embodiment 4 ground wood worker lathe tool anchor clamps.

Schematic diagram when Figure 12 is the use of ground wood worker lathe tool anchor clamps.

Figure 13 is the structural representation of embodiment 5 roundings shovel anchor clamps.

Figure 14 is that the A of Figure 13 is to rotation diagram.

Schematic diagram when Figure 15 grinds flat chisel or chisel for rounding shovel anchor clamps.

Schematic diagram when Figure 16 shovels for rounding shovel anchor clamps rounding.

Figure 17 is the structural representation of embodiment 6 mill flat chisel anchor clamps.

Figure 18 is the user mode figure of mill flat chisel anchor clamps.

Figure 19 is the grind scissors structural representation of tool holder of embodiment 7.

Figure 20 is the structural representation of scissors clip.

Figure 21 is the schematic diagram when grinding scissors cutter.

Figure 22 is the structural representation of the wide tool mounting of embodiment 8 mills.

Figure 23 is the structural representation of embodiment 9 sharpening anchor clamps.

Figure 24 is the schematic diagram behind the sharpening anchor clamps clamping table knife.

Schematic diagram when Figure 25 is the grinding table knife.

Figure 26 is embodiment 10 sharpening angle standard detection templates and user mode figure thereof.

The specific embodiment

Embodiment 1.A kind of electric knife sharpener is as Fig. 1～shown in Figure 3.It comprises pedestal 1, be installed in main shaft 2 and motor 3 on the pedestal 1, be installed in transmission mechanism between the axle of main shaft 2 and motor 3, be installed in emery wheel 4 and electric control circuit on the main shaft 2.Motor 3 is installed on the angular frame 5 with its base and screw, and the end of angular frame 5 has axis hole 6, and a pivot 7 is installed in the axis hole 6.Pivot 7 is installed on the pedestal 1.Drive 8 is being fixed in the end of main shaft 2, the axle of motor 3 abut against on the edge of drive 8 with friction-driven it.A stropping wheel 9 is also being fixed in the outside of installation drive 8 one ends of main shaft 2, and the outer rim of stropping wheel 9 is coating ox-hide 10.The outside of drive 8 is also coating one deck rubber layer 15.A water holding box 11 also is installed on the pedestal 1, and the bottom of emery wheel 4 is immersed in the water holding box 11.

Consult Fig. 2, Fig. 4 and Fig. 5, also fixing fixed mount 12 in the pedestal 1.Top and the front of pedestal 1 respectively has two installing holes 16, and the top and front of fixed mount 12 respectively has the screw 17 that two center lines are perpendicular to one another.The diameter of cantilevered knife rest 13 lower ends is less than the footpath, the end of screw 17, and its lower end is passed two installing holes 16 and inserted in two screws 17.Two holding screws 14 pass two other installing hole 16 and are screwed in two other screw 17 (vertical with the center line of preceding two installing holes), with being fixed on the fixed mount 12 of cantilevered knife rest 13.Knife rest 13 among Fig. 4 is vertical the installation, and the knife rest 13 among Fig. 5 is laterally to install.

Consult Fig. 6, Fig. 7, on the knife rest 13 of embodiment 1 anchor clamps that have an axe to grind are installed also.It is installed on the knife rest 13, by metacoxal plate 18, be fixedly connected on metacoxal plate 18 both sides left and right sides plate 19, be fixedly connected on the last bent plate 20 of metacoxal plate 18 upsides and be fixedly connected on bent plate 20 front sides and constituted to the tongue tray 21 of front lower place bending.Respectively having one on the left and right sides plate 19 can be concentric so as to 22, two holes 22, hole that are installed on the knife rest 13.Axe 23 is resisted against on the anchor clamps that have an axe to grind, and tongue tray 21 is positioned at above it.It is alternative that the installation of knife rest 13 and pedestal 1 has adopted similar structures to be equal to.Each fixes the axle bed 24 in two tape spool holes with the front on pedestal 1, and insert respectively in the axis hole of axle bed 24 lower end of cantilevered knife rest 13, fastening with holding screw 14 again.

Embodiment 2.A kind of electric knife sharpener is as Fig. 8, shown in Figure 9.Its emery wheel correction pen is installed on the knife rest 13 of electric knife sharpener 1, is made up of handwriting 25 and the diamond point 26 that is vertically fixed in handwriting 25 front ends.Handwriting 25 front portions have can be so as to being installed in it transverse holes 27 on knife rest 13.Diamond point 26 is given prominence to the side in handwriting 25.All the other are with embodiment 1.

Shown in Figure 8, can on knife rest 13, fix a upper frame 28 again during use, be located at the emery wheel correction pen above, the extreme higher position of emery wheel correction pen is limited.Upper frame 28 has biside plate 29, and is with holes 30 on the biside plate 29, is convenient to be installed on the knife rest 13.Respectively have a screw about the top board of upper frame 28, respectively install one in the screw and be with externally threaded knob 31.With the angle of upper frame 28 and position adjustments well after, tighten knob 31 again, can lock it on the knife rest 13.Upper frame 28 can only can guarantee emery wheel is evened out the emery wheel correction pen along its back move left and right.

Embodiment 2 can install and be resisted against on the knife rest 13, can avoid the harmful at random of hand to move or shake during correction, thereby guarantee shape and the quality that emery wheel 4 is corrected, and can raise the efficiency greatly.

Embodiment 3.A kind of electric knife sharpener, as shown in figure 10.Also with nuts and washers 32 leather polishing wheel is installed on its main shaft 2, it is positioned at the outside of water holding box 11.Constitute by wheel body 33 and the ox-hide 34 that is coated on wheel body 33 outer rims.Its outer rim is the rotation groove surface 36 that coincide with the shape of the workpiece 35 of needs polishings, and burnishing surface does not evenly have throwing place of leakage.All the other are with embodiment 1.The good toughness of ox-hide, the intensity height, not easy to wear, long service life.And because of the fine and close intensity height of ox-hide quality, the polishing effect of embodiment 3 is very good.

Embodiment 4.A kind of electric knife sharpener, as shown in figure 11.Ground wood worker lathe tool anchor clamps can also be installed on its knife rest 13.It by the base 38, the bottom that have two screws 37 have external screw thread with two knobs 39 in two screws 37 that are installed in base 38, be installed in pressing plate 40 between knob 39 shoulders and base 38 upsides, be set in two compression springs 41 on two knobs 39 and between pressing plate 40 and base 38 and be fixed on below the base 38 about two supports 42 constituted.About respectively have one on two supports 42 can be so as to being installed in the hole 43 on the knife rest 13.All the other are with embodiment 1.Shown in Figure 12, wood turning tool 44 clampings are in the anchor clamps of present embodiment.

Embodiment 5.A kind of electric knife sharpener, as shown in figure 13.Rounding shovel anchor clamps can also be installed on its knife rest 13.It by biside plate 45 respectively with concentric holes 46 underframe 49 of upper plate 47 band fixing holes 48, be fixed on annular seating 51 in the fixing hole 48 of underframe 49 with trip bolt 50, the anvil block 53, its peripheral zone external screw thread of head band endoporus that are fixed on the band angle-shaped groove in the annular seating 51 with sunk screw 52 constituted with the briquetting 56 that is installed on the annular seating 51 knob 55 in the screw 54 relative with sunk screw 52 and be sleeved in the endoporus of knob 55.The bottom surface 57 of annular seating 51 is the plane.

Consult Figure 14.Have the countersunk head screw 58 that is positioned on its central axis on the bottom surface 57 and depart from its central axis so as to being fixed on the screw 59 on the underframe 49.Have on the axis vertical of annular seating 51 and be respectively applied for the screw 63 that sunk screw 52 and another knob 60 are installed with above-mentioned central axis.All the other are with embodiment 1.

Figure 15, Figure 16 are respectively with embodiment 5 roundings shovels anchor clamps mill flat chisel or chisel 61, rounding and shovel 62 o'clock schematic diagram.

Embodiment 6.A kind of electric knife sharpener is as Figure 17, shown in Figure 180.Mill flat chisel anchor clamps can also be installed on its knife rest 13.It by front and back two plates be bent into dihedral and plate 64 both sides, back have about two screws 65 dihedral seat 66, be fixedly connected on the left and right sides plate 67 of dihedral seat 66 both sides, two knobs 68 about the external screw thread that has with head is installed in dihedral seat 66 in two screws 65 are constituted.Respectively having one on the left and right sides plate 67 can be so as to the center line that is installed in 69, two knobs 68 in concentric hole on the knife rest 13 respectively perpendicular to the axis of the knife rest 13 that passes the hole 69 on the left and right sides plate 67.Dihedral seat 66 and left and right sides plate 67 are made integral structure by steel plate.70 for desiring the flat chisel of sharpening.All the other are with embodiment 1.

Embodiment 7.A kind of electric knife sharpener is as Figure 19, shown in Figure 20.On its knife rest 13 tool holder that grinds scissors can also be installed.It is installed on the knife rest 13 of electric knife sharpener 1.Before and after comprising two plates be bent into dihedral and plate both sides, back have about two screws dihedral seat 71, be fixedly connected on the left and right sides plate 72 of dihedral seat 71 both sides, two knobs 73 about the external screw thread that has with head is installed in dihedral seat 71 in two screws, respectively with two trip bolt 74 secured in parallel at two guide rails 75 on the header board of dihedral seat 71 and be mounted on two scissors clips 76 on the guide rail 75.Respectively having on the left and right sides plate 72 can be so as to the center line that is installed in 77, two knobs 73 in concentric hole on the knife rest 13 respectively perpendicular to the axis of the knife rest 13 that passes the hole 77 on the left and right sides plate 72.

Scissors clip 76 is by the base plate 79 that has protruding handle 78, be installed in the screw of the left and right sides, base plate 79 lower edge about two screws 80, two triangle pressing plates 82 about about down hole 81 is sleeved on it respectively between two screws 80 and the base plate 79, two compression springs 83 about being sleeved on two screws 80 and between triangle pressing plate 82 and base plate 79, be installed in the last screw 84 of two triangle pressing plates 82 about two screws 85 and be fixed on 4 alignment pins 86 that base plate 79 lower edges are positioned at triangle pressing plate 82 vertical center line both sides and constitute.4 alignment pins 86 pass the respective through hole that has on the triangle pressing plate 82, and the following hole 81 and the last screw 84 of triangle pressing plate 82 are positioned on its vertical center line.

Shown in Figure 21, on scissors clip 76, scissors clip 76 is resisted against on the lower guideway 75 cutting edge of scissors 87 by clamping.The utility model moves around together with scissors about 87 and carries out grinding.Less because of scissors 87, only use a triangle pressing plate 82 its edge of a knife can be clamped.Bigger as scissors, two triangle pressing plates 82 clamp its edge of a knife about then will using simultaneously.All the other are with embodiment 1.

Embodiment 8.A kind of electric knife sharpener, as shown in figure 22.Grind in the knife rest installing hole that wide tool mounting is installed in electric knife sharpener 1.By two root posts 89 on the fixed mount that is fixed on electric knife sharpener 1 with two holding screws 88, be fixed on the track base 90 on two root posts 89, be fixed on the guide rail 91 on the track base 90, be installed in four slide blocks 92 on the guide rail 91, its bottom surface is fixed on the clamp body 94 that has the pivot hole about having on four slide blocks 92 on two pin plates 93 and two pin plates 93 with screw, be installed in the pivot 95 in the pivot hole of clamp body 94, be installed in clamping fixture seat 97 on the pivot 95 with the hole on its two sides 96, be fixed in one round of clamping fixture seat 97 bottoms and screw rod makes progress row's screw 98, be sleeved on the pressing plate 99 on the screw rod of this row's screw 98, be installed on this row's screw 98 and have the nut 100 of convex shoulder and be sleeved on clamping fixture seat 97 and pressing plate 99 between tensioning spring 101 form.Have only two suits on it tensioning spring 101 in this row's screw 98.

Clamp body 94 has back side panel 102, band screw in the middle of the back side panel 102, and construction bolt 103 in the screw.The centre of clamping fixture seat 97 has reclinate tongue tray 104.The screw rod end of bolt 103 withstands on the tongue tray 104.Suit a compression spring 105 on the bolt 103, and compression spring 105 is between the back side panel 102 of the head of bolt 103 and clamp body 94.All the other are with embodiment 1.

Embodiment 9.A kind of electric knife sharpener is as Figure 23～shown in Figure 25.Can also be on its knife rest 13 by adorning the sharpening anchor clamps.It is the base plate 108 that flat chisel shape 106 rear portions have handle 107 by the front portion, be installed in the supporting screw 110 that is arranged in the screw 109 on the base plate 108 front central lines, be contained in pressing plate 112 between supporting screw 110 and the base plate 108 with the borehole jack on its center line, be sleeved on the supporting screw 110 and the compression spring 111 between pressing plate 112 and base plate 108, be installed in the screw 114 in the screw 113 on the center line of pressing plate 112 and be fixed on 2 alignment pins 115 that the anterior lower edge of base plate 108 flat chisel shapes is positioned at its center line both sides and constitute.2 alignment pins 115 pass the respective through hole 116 on the pressing plate 112.

It above the middle part of base plate 108 plane 117.A locating ring 118 is installed in the middle part of base plate 108, and the outer rim of locating ring 118 also has plane 119.The center on this plane 119 has screw, is installed with one in the screw and withstands on the holding screw on the facial planes 117 120 in the base plate 108.

Shown in Figure 25, table knife 121, is resisted against on the knife rest 13 of electric knife sharpener 1 and cooperates with it in the anchor clamps of present embodiment by clamping, is used for grinding work.

Embodiment 10.A kind of electric knife sharpener, as shown in figure 25.On its emery wheel also by adorning sharpening angle standard detection template.It is tabular 122, has four angles 1～4.Respectively have recessed groove 123 between its 1 jiao and 2 jiaos, 2 jiaos and 3 jiaos, 3 jiaos and 4 jiaos, have only external arc 124 corresponding two angles and emery wheel 4 to intersect when detecting with assurance.In the time of when straddle the external arc 124 of emery wheel 4 that radius is R with 1 jiao and 2 jiaos on, the angle 125 of 1 jiao limit and external arc 124 is 30 °, and the angle 125 of 2 jiaos limit and external arc 124 is 25 °.When straddling on the external arc 124 that radius is R with 2 jiaos and 3 jiaos, the angle of 2 jiaos limit and external arc 124 is 60 °, and the angle of 3 jiaos limit and external arc 124 is 20 °.When straddling on the external arc 124 that radius is R with 3 jiaos and 4 jiaos, the angle of 3 jiaos limit and external arc 124 is 40 °, and the angle of 4 jiaos limit and external arc 124 is 25 °.Near the mark on the limit at each angle has corresponding angle several 127, for the detection of angle provides convenience.Also mark above the embodiment 1 several cutters commonly used and corresponding best sharpening angle 128 thereof are arranged.Be convenient to the user and contrast use at any time.

129 for desiring the cutter of grinding among Figure 26, and 130 is the anchor clamps that this cutter 129 of clamping is convenient to the electric knife sharpener of grinding.

Embodiment 1～embodiment 10 transmission systems are simple, reasonable, compact conformation, and volume is little.It is little to vibrate little noise during work.Have various special fixture and the annexes that are suitable for different cutters, the location of cutter and clamping when being convenient to sharpening can guarantee grinding angle and quality.The grinding efficiency height, easy to use, labour intensity is little.It can be widely used in the grinding and polishing and emery wheel correction of cutters such as lathe tool, planing tool, scissors, chisel, axe, flat chisel, round shovel, instrument in the places such as family, wood shop, handicraft workshop.

Claims

1. electric knife sharpener, it comprises pedestal, be installed in main shaft and motor on the pedestal, be installed in transmission mechanism between the axle of main shaft and motor, be installed in emery wheel and electric control circuit on the main shaft, it is characterized in that said motor is installed on the angular frame, the end of angular frame has axis hole, a pivot is installed in the axis hole, be pivotally mounted on the pedestal, drive is being fixed in the end of main shaft, the axle of motor abut against on the edge of drive with friction-driven it.

2. according to the described electric knife sharpener of claim 1, it is characterized in that also being installed with on the said pedestal water holding box, the bottom of emery wheel is immersed in the water holding box.

3. according to claim 1 or 2 described electric knife sharpeners, it is characterized in that also fixing in the said pedestal fixed mount, top and the front of pedestal respectively has two installing holes, top and the front of fixed mount respectively has the screw that two center lines are perpendicular to one another, the diameter of cantilevered knife rest lower end is less than the footpath, the end of screw, its lower end is passed two installing holes and is inserted in two screws, two holding screws pass center line two other installing hole vertical with preceding two installing holes and are screwed in two other screw, the lower end of cantilevered knife rest is fixed on the fixed mount, and knife rest can be vertical or laterally install.

4. according to the described electric knife sharpener of claim 3, it is characterized in that the outside of said drive is also coating one deck rubber layer.

5. according to the described electric knife sharpener of claim 3, it is characterized in that a stropping wheel is also being fixed in the outer end of installation drive one end of said main shaft, the outer rim of stropping wheel is coating ox-hide.

6. according to the described electric knife sharpener of claim 3, it is characterized in that on the said knife rest anchor clamps that have an axe to grind being installed, have an axe to grind anchor clamps by metacoxal plate, be fixedly connected on the metacoxal plate both sides left and right sides plate, be fixedly connected on the last bent plate of metacoxal plate upside and be fixedly connected on the bent plate front side and constituted to the tongue tray of front lower place bending, respectively having one on the plate of the left and right sides can be so as to the hole on the knife rest that is installed in electric knife sharpener, and two holes are concentric.

7. according to the described electric knife sharpener of claim 3, it is characterized in that on the said knife rest emery wheel correction pen being installed, it is made up of handwriting and the diamond point that is vertically fixed in the handwriting front end, the handwriting front portion has can be so as to being installed in it transverse holes on knife rest, and diamond point is given prominence to the side in handwriting.

8. according to the described electric knife sharpener of claim 3, it is characterized in that can also leather polishing wheel being installed with nuts and washers on the said main shaft, it is positioned at the outside of water holding box, is made of wheel body and the ox-hide that is coated on the wheel body outer rim.

9. according to the described electric knife sharpener of claim 3, it is characterized in that to install on the said knife rest ground wood worker lathe tool anchor clamps, it by the base that has two screws, bottom have external screw thread with two knobs in two screws that are installed in base, be installed in pressing plate between knob shoulder and the base upside, be set in two compression springs on two knobs and between pressing plate and base upside and be fixed on below the base about two supports constituted, about respectively have one on two supports can be so as to the hole on the knife rest that is installed in electric knife sharpener.

10. according to the described electric knife sharpener of claim 3, it is characterized in that to install on the said knife rest rounding shovel anchor clamps, it is gone up the underframe of strip fixing hole respectively with concentric holes by biside plate, be fixed on the annular seating in the fixing hole of underframe with trip bolt, be fixed on the anvil block of the band angle-shaped groove in the annular seating with sunk screw, its peripheral zone external screw thread of head band endoporus is constituted with the briquetting that is installed in the knob in the screw relative with sunk screw on the annular seating and is sleeved on the band angle-shaped groove in the endoporus of knob, the bottom surface of annular seating is the plane, have the countersunk head screw that is positioned on its central axis on the bottom surface and depart from its central axis, have the screw that is respectively applied for installation sunk screw and knob on the axis vertical of annular seating with above-mentioned central axis so as to being fixed on the screw on the underframe.

11. according to the described electric knife sharpener of claim 3, it is characterized in that to install on the said knife rest mill flat chisel anchor clamps, it by front and back two plates be bent into dihedral and plate both sides, back have about the dihedral seat of two screws, be fixedly connected on the left and right sides plate of dihedral seat both sides, the external screw thread that has with head be installed in the dihedral seat about two knobs in two screws constituted, respectively having one on the plate of the left and right sides can be so as to the concentric hole on the knife rest that is installed in electric knife sharpener, and the center line of two knobs is respectively perpendicular to the axis of the knife rest that passes the hole on the plate of the left and right sides.

12., it is characterized in that on the said knife rest tool holder that grinds scissors being installed according to the described electric knife sharpener of claim 3.Before and after it comprises two plates be bent into dihedral and plate both sides, back have about two screws the dihedral seat, be fixedly connected on the left and right sides plate of dihedral seat both sides, two knobs about the external screw thread that has with head is installed in the dihedral seat in two screws, respectively with two trip bolt secured in parallel at two guide rails on the header board of dihedral seat and be mounted on two scissors clips on the guide rail.Respectively having one on the plate of the left and right sides can be so as to the concentric hole on the knife rest that is installed in electric knife sharpener, and the center line of two knobs is respectively perpendicular to the axis of the knife rest that passes the hole on the plate of the left and right sides.

13. according to the described electric knife sharpener of claim 12, the scissors clip that it is characterized in that the said tool holder that grinds scissors is by the base plate that has protruding handle, be installed in the screw of the left and right sides, base plate lower edge about two screws, two triangle pressing plates about about down borehole jack is contained in it respectively between two screws and the base plate, two compression springs about being sleeved on two screws and between triangle pressing plate and base plate, be installed in the last screw of two triangle pressing plates about two screws and be fixed on 4 alignment pins that the base plate lower edge is positioned at triangle pressing plate vertical center line both sides and constitute, 4 alignment pins pass the respective through hole that has on the triangle pressing plate, and the following hole and the last screw of triangle pressing plate are positioned on its vertical center line.

14. according to the described electric knife sharpener of claim 3, it is characterized in that also being installed with in the said knife rest installing hole the wide tool mounting of mill, it is by two root posts that are fixed on two holding screws on the fixed mount, be fixed on the track base on two root posts, be fixed on the guide rail on the track base, be installed in four slide blocks on the guide rail, its bottom surface is fixed on the clamp body that has the pivot hole about having on four slide blocks on two pin plates and two pin plates with screw, be installed in the pivot in the pivot hole of clamp body, be installed in clamping fixture seat on the pivot with the hole on its two sides, be fixed in clamping fixture seat downside one round and screw rod makes progress row's screw, be sleeved on the pressing plate on the screw rod of this row's screw, be installed on this row's screw and have the nut of convex shoulder and be sleeved on clamping fixture seat and pressing plate between tensioning spring form.

15. according to the described electric knife sharpener of claim 14, the clamp body that it is characterized in that the wide tool mounting of said mill has back side panel, band screw in the middle of the back side panel, construction bolt in the screw, the centre of clamping fixture seat has reclinate tongue tray, the screw rod end of bolt withstands on the tongue tray, goes back suit on the bolt and a compression spring, and the compression spring is between the back side panel of the head of bolt and clamp body.

16. according to the described electric knife sharpener of claim 3, it is characterized in that can also be by adorning the sharpening anchor clamps on the said knife rest, it is the base plate that flat chisel shape rear portion has handle by the front portion, be installed in the supporting screw that is arranged in the screw on the base plate front central line, be contained in pressing plate between supporting screw and the base plate with the borehole jack on its center line, be sleeved on the compression spring on the supporting screw and between pressing plate and base plate, be installed in the screw in the screw on the pressing plate center line and be fixed on 2 alignment pins that the anterior lower edge of base plate flat chisel shape is positioned at its center line both sides and constitute, 2 alignment pins pass the respective through hole on the pressing plate, and the hole of pressing plate and screw are positioned on its center line.

17. according to the described electric knife sharpener of claim 16, it is characterized in that being the plane above the middle part of base plate of said sharpening anchor clamps, a locating ring is installed in the middle part of base plate, the outer rim of locating ring also has the plane, the center on this plane has screw, is installed with one in the screw and withstands on the holding screw on the facial planes in the base plate.

18. according to the described electric knife sharpener of claim 3, it is characterized in that can also be by adorning sharpening angle standard detection template on the said emery wheel, it is tabular, has four angles, respectively has recessed groove between its 1 jiao and 2 jiaos, 2 jiaos and 3 jiaos, 3 jiaos and 4 jiaos; When straddling on the circular arc that radius is R with 1 jiao and 2 jiaos, 1 jiao the limit and the angle of circular arc are 30 °, and 2 jiaos the limit and the angle of circular arc are 25 °; When straddling on the circular arc that radius is R with 2 jiaos and 3 jiaos, 2 jiaos the limit and the angle of circular arc are 60 °, and 3 jiaos the limit and the angle of circular arc are 20 °; When straddling on the circular arc that radius is R with 3 jiaos and 4 jiaos, 3 jiaos the limit and the angle of circular arc are 40 °, and 4 jiaos the limit and the angle of circular arc are 25 °.

19. according to the described electric knife sharpener of claim 17, the top also mark that it is characterized in that said sharpening angle standard detection template has several cutters commonly used and corresponding best sharpening angle thereof, mark has corresponding angle near the limit at each angle.