CN108081836A - Electro-motion pencil sharpener - Google Patents

Abstract

The present invention provides a kind of electro-motion pencil sharpener, including housing, pencil sharpener is equipped in housing, pencil sharpener is driven by gear drive, pencil sharpener includes cutter and knife rest, cutter is installed in rotation on by cutter shaft in knife rest, cutter is equipped with cutter transmission gear, it is set on knife rest and cuts a hole there are two first, two pore sizes for cutting a hole are different, cutter transmission gear is variable diameters gear, electro-motion pencil sharpener is equipped with the jacking component of cutter, cutter can be jacked up or put down by jacking component changes cutter transmission gear and the fit angle of gear drive driving, so as to change the cutting angle of cutter.The present invention is provided with different two kinds of pore size on a knife rest and cuts a hole, can adapt to the cutting demand of the different pencil of thickness.

Description

Electro-motion pencil sharpener

Technical field

The present invention relates to automatic penknife more particularly to the automatic penknifes of electronic mode.

Background technology

Electro-motion pencil sharpener is a kind of stationery for driving and driving to hobboing cutter sharpening pencil nib by motor, and hobboing cutter is in penknife It is interior that there is certain angle of inclination, cutting can be so carried out to one end of pencil and forms exposing certain length and with taper Workable pencil nib.Electro-motion pencil sharpener of the prior art sets the insert port of sharpening pencil, lid usually on head cover Hobboing cutter is set below body, and the one side setting pencil cutting mouth of hobboing cutter after pencil is inserted into penknife, starts motor, motor driving rolling Swivel moves, and sharpening pencil nib, scrap caused by cutting fallen into cover, and cover is equipped with opening, can be with after cutting Scrap is toppled over away from opening.

For at present, electro-motion pencil sharpener usually requires possess upper cover and lower part drive part, and whole size often compares One common teacup is also big, since driving motor and rechargeable battery can energize component and be installed in below cover, from Weight is also bigger, inconvenient to carry；Also, motor is placed on the lower part of entire penknife, and scrap and the carbon dust cut differ Surely can clean out, accumulation over time, may be dropped to by assembling gap in the driving part installation space of lower part, Pollute motor part.

The object-oriented of electro-motion pencil sharpener often is frequently necessary to use the designer of pencil, art designing personnel etc., they In routine duties it is generally necessary to use various pencils, common pencil or drawing pencil, and instantly on the market mostly Several penknifes, there is usually one a hole is cut, intelligence cuts a type of pencil, and therefore, currently sold penknife has It is various, such as common penknife, sketch penknife, each penknife has certain volume and weight, if just think One designer or art designing personnel need to go to sample description on the spot to scene, it may be necessary to be equipped with multiple penknifes, undoubtedly give Carrying causes big inconvenience.

Therefore, develop it is a kind of can integrate a variety of pencil cuttings in the penknife of one, can be brought to user very big Facility.For example, Chinese invention patent application CN201710123291.7, discloses one kind and the different circular cones of two kinds of the system of cutting may be selected The electro-motion pencil sharpener of angle nib, including turn-button (1), fixing sleeve (2), bipyramid hole hobboing cutter tool (3), hob head (4), electrical equipment unit (5), Shell (6), the turn-button which uses are equipped with button gear and pen port；Fixing sleeve is equipped with internal gear, chip removal mouth and set mesoporous, double Taper hole hobboing cutter tool is made of double taper hole knife rests and hobboing cutter, and double taper hole knife rests are equipped with A taper holes, B taper holes and frame curved tooth, and hobboing cutter is equipped with knife Gear；Hob head is equipped with splined shaft and seat mesoporous；Electrical equipment unit by motor, retarder, switch, spring, contact, feeler lever, charge port, Rechargable battery is formed；Shell is made of head cover, upper casing and middle shell and lower casing；A taper holes are small-angle cutting hole, and B taper holes are big cone angle Cutting hole；A taper holes, which sharpen a pencil, can obtain longer pen core；B taper holes, which sharpen a pencil, can obtain the technical solution of shorter pen core, make electronic cut Machine, has achieved the purpose that the pencil point of two kinds of coning angles of size processed can be cut, has met art designing worker's demand.

Above-mentioned patent solves the problems, such as the pencil point of cutting different size cone angle to a certain extent, still, actual It is not only to require the nib length and cone angle of pencil in use, also has different need to penholder thickness length of pencil etc. It asks, often has the pencil that many thicknesses and length are different from the market；In addition, above-mentioned patent is grown by being set on knife rest Degree and cutting hole of different sizes adjust the length and cone angle of cut pencil point to reach, and there is no knives when changing cutting The angle change of tool actually cuts different cone angle nib and most importantly changes its cutting angle, only passes through the shape of cutting hole Shape is wherein cut the written shape of pencil to limit, and is practically without really changing the track of cutting itself, is a kind of give up originally Seek the way at end, actually during the cutting process may cutter setting frame generate larger abrasion, cutting effect is also and bad.

The content of the invention

The technical problems to be solved by the invention are to provide a kind of electro-motion pencil sharpener, and there are two pore size is different for tool A hole is cut, the different pencils different with nib length of thickness can be cut.

The technical proposal for solving the technical problem of the invention is：

Including housing, pencil sharpener is equipped in housing for electro-motion pencil sharpener, and pencil sharpener is driven by gear drive, and pencil sharpener includes knife Tool and knife rest, cutter are installed in rotation on by cutter shaft in knife rest, and cutter is equipped with cutter transmission gear, and knife rest is equipped with Two first are cut a hole, and two first pore sizes for cutting a hole are different, and cutter transmission gear is variable diameters gear, electronic to cut pen Machine is equipped with the jacking component of cutter, and cutter can be jacked up or put down change cutter transmission gear and be driven with gear drive by jacking component Dynamic fit angle, so as to change the cutting angle of cutter.

Further, cutter and transmission gear can be moved up and down synchronously along cutter shaft.

Further, cutter bottom is equipped with the mandril that can jack up cutter.

Further, which further includes the locking switch of knife rest turntable, locking switch be located at tool rest bracket and The lower part of knife rest turntable, locking switch can be struck along the tangential direction of tool rest bracket.

Further, electric drive component and scrap accommodating cavity are equipped in electro-motion pencil sharpener, electric drive component is arranged on The top of scrap accommodating cavity.

Further, it is equipped in the head cover of electro-motion pencil sharpener and cuts a hole regulating device, cutting a hole regulating device includes retreating Shaft, a shaft of retreating are equipped with an idler wheel of retreating, and a shaft of retreating, which is mounted on, retreats on a fixed frame, and can be certain In the range of along retreat a fixed frame up and down and move left and right.

Further, a shaft of retreating includes the second axis of a first axle and advance and retreat pen of retreating, and a first axle of retreating is equipped with The first idler wheel of advance and retreat pen, the second axis of advance and retreat pen are equipped with the second idler wheel of advance and retreat pen, and the first idler wheel of advance and retreat pen and advance and retreat pen second roll A passage of retreating is formed between wheel, the advance and retreat pen first round rotates synchronously with a first axle of retreating, the wheel of advance and retreat pen second and advance and retreat pen Second axis rotates synchronously, and the advance and retreat pen first round and the wheel of advance and retreat pen second can clamp pencil to be cut.

Further, electro-motion pencil sharpener further includes linkage, and linkage includes the first swing arm, and the first swing arm is equipped with The first swing rod that can be rotated with it, one end connection first connecting rod of the first swing rod, the second swing rod of lower end in contact of first connecting rod One end, the second swing rod is installed in rotation on the second swing arm, and the other end of the second swing rod is equipped with nib regulating device.

Further, nib regulating device includes adjusting plectrum and adjusts step body, adjusts plectrum and is installed in rotation on On 3rd swing arm, adjust step body and be fixedly connected on the inner end for adjusting plectrum, the second swing rod, which is equipped with, adjusts salient point, adjusts step The lower surface of body and the contact for adjusting salient point.

Further, the upper end of second connecting rod is equipped with the interference piece for being secured to connection, and the first swing rod is equipped with and second The opening of the diameter matches of connecting rod, the upper end of second connecting rod are located in the opening, and interference piece is located at the top juxtaposition of the opening In the top of first this one end of swing rod.

The beneficial effects of the invention are as follows：

（1）The present invention is provided with different two kinds of pore size on a knife rest and cuts a hole, can adapt to the different lead of thickness The cutting demand of pen.

（2）The transmission gear of cutter has the characteristics that variable diameters in the present invention, but the number of teeth and the size of tooth are constant, it is ensured that passes No matter the transmission gear ring that can be rolled under which diameter with cutter engages progress scrolling realization cutting to moving gear, due to difference Diameter engage with same transmission gear ring, therefore in the case of different-diameter, cutting angle during rotation is also Difference, so as to cut the cone angle of nib pencil of different sizes.

（3）In the present invention, since the diameter in different height of transmission gear is different, the cutting transmission of transmission gear Diameter change can move up and down what is realized simply by being secured to the cutter of connection, for example, due to driving cog The position of circle is constant, and the diameter of transmission gear is up-small and down-big, and when cutter is jacked up in uppermost position in fig-ure, transmission gear is most lower The position of diameter maximum of side is engaged with transmission gear ring, cutting angle at this time maximum, and it is big to cut cone angle, written short Pen core, when cutter, which is laid down, to be put in lowermost position, the position of the diameter minimum of transmission gear the top is engaged with transmission gear ring, Cutting angle at this time is minimum, can cut the pen core of small, the written length of cone angle.

（4）Moving up and down for cutter can realize that knife rest chassis is equipped with by being arranged on the mandril on knife rest chassis The sliding slot of one arc and bottom angled, when knife rest chassis rotates, mandril is moved along this sliding slot, when mandril is moved to sliding slot During bosom, cutter is not just withstood in the upper end, and cutter is put in lowermost position at this time, when mandril is moved to sliding slot most shallow place, Upwards by cutter top to uppermost position in fig-ure, such structure can be realized by rotating the component being connected with knife rest chassis for upper end, Although internal structure is complicated, for the user, it is only necessary to which clear and definite rotational angle can be realized as converting, and use right and wrong It is often convenient.

（5）The knife rest of the present invention is additionally provided with nib sensing device in place on the position below each corresponding cutting hole, When pencil cutting is completed, nib can touch this sensing device, sensing device can link with the component of lower section so as to Microswitch sends signal, and such structure can have the function of fining away and stop in the cutter as electro-motion pencil sharpener, realize Automatic cutting.

（6）The present invention is additionally provided with the locking switch of knife rest turntable on knife rest chassis, and the locking switch is in a state of use Being can be by knife rest rotary disk limitation in knife rest chassis, and it is the tangent line along knife rest chassis and knife rest turntable to stir direction due to it Direction, therefore, when the locking switch is outwards stirred, just departing from the interference with knife rest turntable, knife rest turntable can at this time Removed out of knife rest chassis, also allow for cutter shaft and cutter departing from interference, just can realize at this time cutter dismounting and It replaces, this knockdown structure can dismount cutter, without influencing whether whole other structures by easily mode.

（7）The present invention is equipped in penknife bottom and adjusts step body, adjusts the regulating platform on step body with different height Rank corresponds to the nib of different length respectively, adjusts the nib set in step body and penknife cutter pedestal sensing device in place Cooperation, sensing device is provided in the component cut below a hole to nib in place, after the completion of pencil cutting, nib nature contact pen Sharp sensing device in place, sensing device accordingly can contradict adjusting step body to nib by connecting rod in place at this time, adjust step body and lead to The swing rod for crossing a lever principle connects a connecting rod, which receives nib information in place by the form of Mechanical Contact, and leads to The swing rod and swing arm for crossing another lever principle touch microswitch, stop in place so as to be realized by mechanical type, different height Step can correspond to the nib of different length；When toppling over scrap, chassis is removed, and the connecting rod falls naturally at this time, is driven Swing rod and swing arm near microswitch rotate, and Stop message mechanically is passed to microswitch, so as to machine The form of tool linkage realizes the protection mechanism uncapped and stopped.

（8）The present invention is provided with advance and retreat pen device at the top of penknife, and advance and retreat pen device can be clamped by two The idler wheel of pencil links with the cutting mechanism of penknife, can inwardly bring the pencil being cut into while sharpening pencil, It is achieved thereby that full automatic working angles；Spacing between two shafts of retreating is adjustable so that this advance and retreat pen device energy The pencil of different thicknesses size is enough adapted to, extends the cutting scope of penknife, the respective outer side edges with cutter and knife rest.

Description of the drawings

Fig. 1 is the overall structure figure of the present invention.

Fig. 2 is the overall structure sectional view of the present invention.

Fig. 3 is that the present invention conceals the structure chart after external shell.

Fig. 4 is the structure chart that the present invention conceals housing, bottom cover and knife rest, shows the structure of hobboing cutter axis and drive link.

Fig. 5 is the structure chart of cutter and knife rest of the present invention.

Fig. 6 is structure charts of the Fig. 5 from bottom views.

Fig. 7 is the enlarged drawing of knife rest chassis location part.

Fig. 8 is the schematic diagram for concealing cutter after knife rest.

Fig. 9 is the schematic diagram for concealing cutter back tool rest.

Figure 10 is the top view of Fig. 9.

Figure 11 is the schematic diagram on knife rest chassis.

Figure 12 is the schematic diagram of knife rest turntable.

Figure 13 is the overall diagram of linkage.

Figure 14 is that linkage conceals the schematic diagram for moving back the second fixed plate of the first fixed plate of pen and advance and retreat pen.

Figure 15 is the front view of Figure 14.

Figure 16 is the schematic diagram that linkage conceals a limiting plate of retreating, and shows the position of oblique kidney slot.

Figure 17 be linkage conceal move back the first fixed plate of pen and the second fixed plate of advance and retreat pen but retain one side advance and retreat pen limit The schematic diagram of position plate.

Figure 18 is schematic diagrames of the Figure 14 from another angle, shows starting switch.

Figure 19 is the schematic diagram that the present invention is mounted on penknife.

Figure 20 is the present invention and the assembling relationship figure of cutter.

Figure 21 is the schematic diagram that Fig. 3 conceals head cover and connector.

Figure 22 is the cooperation schematic diagram of linkage and cutter.

Figure 23 is the partial structural diagram of linkage of the present invention, shows the structure near the second swing rod.

Figure 24 is the fiting relation figure of linkage and nib sensing device in place.

Figure label：Housing 1, hobboing cutter 2, knife rest 3, hobboing cutter axis 4, hobboing cutter transmission gear 5, first cuts a hole 6, and scrap houses Chamber 7, electric drive component 8, head cover 9, bottom cover 10, second cuts a hole 11, hobboing cutter mounting base 12, connector 13, mandril 14, top 15, pencil 16, gear drive 17, driving cog wheel rim 18, top driving member 19, idler wheel 20, roller shaft 21, idler wheel installing plate 22, kidney slot 23, idler wheel driving gear pair 24, drive link 25, upper transmission component 26, lower part transmission parts 27, connecting plate 28, Connector sleeve 29, rotating disc 30, linking arm 31, cutting position indicate indicator 32, knife rest 1a, cutter 2a, cutter shaft 3a, transmission gear 4a, pen plughole 5a, cut a hole 6a, mandril 7a, cutter pallet 8a, tool rest bracket 9a, knife rest turntable 10a, mandril sliding slot 11a, knife Frame sliding slot 12a, knife rest litter 13a, be buckled 14a, kidney slot 15a, bayonet 16a, is driven gear ring 17a, fixed switch 18a, nib Sensing device 19a in place, sensing device pallet 20a, retreat a first axle 1b, advance and retreat pen the second axis 2b, the first idler wheel of advance and retreat pen 3b, advance and retreat pen the second idler wheel 4b, retreat passage 5b, a pencil 6b to be cut, and retreat a transmission gear 7b, and advance and retreat pen transfers tooth 8b is taken turns, retreat an input gear 9b, cutter drives gear 10b, advance and retreat pen the first fixed plate 11b, the second fixed plate of advance and retreat pen 12b, advance and retreat pen the first mounting hole 13b, advance and retreat pen the second mounting hole 14b, retreat a limiting plate 15b, a /V shelves item of retreating 16b, positioning protrusion 17b, positioning groove 18b, horizontal kidney slot 19b, starting switch 20b, inclined-plane 21b come directly towards 22b, connecting rod 23b, rolling bar 24b, the microswitch swing arm of 25b, oblique kidney slot 26b, first 1c, the first swing rod 2c, first connecting rod 3c, the second rotation Bar 4c, microswitch 5c adjust plectrum 6c, adjust the step body swing rod 9c of 7c, the 3rd swing arm 8c, second, adjust salient point 10c, the One adjusting rod 11c, the second adjusting rod 12c, penholder sense pallet 13c in place, nib induction rod 14c, second connecting rod 15c in place, Penknife pedestal 16c, interference piece 17c, microswitch isolation 18c.

Specific embodiment

The specific embodiment of the present invention is described in further detail below in conjunction with attached drawing, it is noted that implement Example is simply specifically described technical scheme, preferred embodiment and alternative, and its purpose is to make this field Technical staff more fully understands the present invention, and is not construed as limitation of the invention.

Technical solution of the present invention is mainly used for electro-motion pencil sharpener, can be used for manual penknife, and dynamic mode can With according to actual needs and manufacture other factors such as cost are considered to make choice, transmission mode generally use gear drive.

As shown in Figure 1, the electro-motion pencil sharpener of the present invention includes housing 1, can set on housing 1 USB interface or other Data/electrical interface, such as the interfaces such as Micro-USB, this can't influence the integral arrangement of the present invention, is equipped in housing 1 and cut pen Device, specifically, pencil sharpener mainly include hobboing cutter 2 and knife rest 3, and hobboing cutter refers to oblique cutting texture and by rotating come real A kind of cutter of existing inclined-plane cutting, hobboing cutter is one of cutter relatively common in current penknife, and hobboing cutter 2 can by hobboing cutter axis 4 It is rotatably mounted in knife rest 3, hobboing cutter 2 is in usually one with stretch into direction of the knife rest 3 in other words with the pencil 16 being cut Pencil cutting to suitable gradient, hobboing cutter 2 so can be equipped with hobboing cutter driving cog by fixed angle with 4 hobboing cutter 2 of hobboing cutter axis Wheel 5 sets on knife rest 3 to cut a hole 6 there are two first, and two first are cut the side that a hole 6 is located at hobboing cutter 2, equipped with scrap in housing 1 Accommodating cavity 7 and electric drive component 8, the electro-motion pencil sharpener further include head cover 9 and bottom cover 10, and head cover 9 is mounted on the top of housing 1 Portion, head cover 9 cut a hole 11 equipped with second, and bottom cover 10 is mounted on the bottom of housing 1 and is rotatably assorted with housing 1, in bottom cover 10 Jacking component equipped with hobboing cutter 2 when bottom cover 10 rotates, drives jacking component to move up or down, when jacking component is downward When mobile, hobboing cutter 2 can be jacked up to a certain extent to change the cutting angle of hobboing cutter, cut a hole 6 for two first and distinguish The different cutting angle of corresponding hobboing cutter 2, the electro-motion pencil sharpener of the present embodiment can realize that two kinds of common pencil and sketch pencil are cut Function is cut, therefore, different cutting angles corresponds to common pencil and sketch pencil both cutting demands respectively, when cutting is common During pencil, as long as cutting angle meets the needs of common pencil, when cutting drawing pencil, cutting angle needs to meet The cutting requirement of drawing pencil.

The bottom of knife rest 3 is equipped with hobboing cutter mounting base 12, and bottom cover 10 is rotatably connected by connector 13 and housing 1, hobboing cutter Mounting base 12 is rotatably connected with connector 13, and liftable mandril 14 is equipped in connector 13, and mandril 14 passes through connector 13 In hobboing cutter mounting base 12, hobboing cutter mounting base 12 is equipped with and the matched top 15 of mandril 14, when bottom cover 10 rotates, top contact First 15 can contact hobboing cutter mounting base 12 so as to changing the direction of hobboing cutter 2.

Electric drive component 8 is arranged on the top of scrap accommodating cavity 7,8 generally use motor of electric drive component, in this reality In the scheme for applying example, motor shaft is located at the top of electric drive component 8, that is to say, that electric drive component 8 connects from housing upper It connects and hobboing cutter is driven to rotate, specifically, electric drive component 8 drives hobboing cutter 2 to rotate by gear drive 17, knife rest 3 Top is equipped with a circle driving cog wheel rim 18, and hobboing cutter transmission gear 5 matches somebody with somebody with the driving cog wheel rim 18 and merges and can be rotated under its drive, The top of knife rest 3 is equipped with the top driving member 19 coordinated with the gear drive 17 of motor driving part part 8, top driving member 19 The power of motor driving part part 8 is received by gear drive 17 and passes to driving cog wheel rim 18, so as to drive 2 turns of hobboing cutter It is dynamic to realize cutting function.

Be equipped in head cover 9 and cut a hole regulating device, cutting a hole regulating device includes the idler wheel 20 being arranged in pairs, idler wheel 20 it Between there is the spacing that can adjust within the specific limits, this spacing is located just at the second lower section for cutting a hole 11, such ability The pencil of different thicknesses is enough inserted into, idler wheel 20 is mounted on by roller shaft 21 on idler wheel installing plate 22 respectively, idler wheel installing plate 22 On be respectively equipped with the kidney slot 23 with certain curvature, roller shaft 21 can move in the kidney slot 23, idler wheel installing plate The returning spring of roller shaft 21 is additionally provided on 22, under normal conditions, the distance between idler wheel 20 is slightly less than the lead of normal thickness The diameter of pen, second when cutting hole 11 when pencil stretches into, can open-top idler wheel 20 slightly outwards, when roller shaft 21 is along kidney slot 23 When mobile, the distance between idler wheel 20 increase, so as to meet the cutting demand of the pencil of a certain range of different thicknesses.

It cuts a hole regulating device and further includes idler wheel driving gear pair 24, idler wheel driving gear pair 24 is linked with knife rest 3, Specifically, the upper surface of top driving member 19 has a circle driving cog, a transmission of lower section in idler wheel driving gear pair 24 Gear is driven tooth engagement with this circle, when top driving member 19 rotates, idler wheel gear pair 24 is driven to rotate, so as to by cutting pen The rotation of pencil 16 that hole regulating device drive is cut is cut.

Electro-motion pencil sharpener further includes lower transmission mechanism, and upper lower transmission mechanism includes drive link 25, the upper end of drive link 25 A hole regulating device is cut by the connection of upper transmission component 26, the lower end of drive link 25 connects bottom cover by lower part transmission parts 27 10, as shown in figure 4, drive link 25 includes two consistent drive links of length, upper transmission part 26 includes a key-type connecting rod, In a drive link be located at the bayonet end of key-type connecting rod, another drive link is located at the other end of key-type connecting rod, in spanner The middle part of type connecting rod connects a shorter linking arm 31, which is buckled on key-type connecting rod, as shown in figure 3, lower part passes Moving part 27 includes connecting plate 28 and two connector sleeves 29, connecting plate 28 are fixed in bottom cover 10, and two drive links 25 are each passed through 1 bottom of housing is socketed in connector sleeve 29, and the bottom of housing 1 is equipped with a rotating disc 30, and two drive links 25 are each passed through this turn Moving plate 30, in this way, when bottom cover 10 rotates, rotating disc 30 can be rotated therewith relative to housing 1, and top 15 is arranged on the rotation On disk 30, at this point, top jacks up the one side of hobboing cutter mounting base 12 upwards, change the cutting angle of hobboing cutter 2, so as to fulfill hobboing cutter 2 The change of cutting function.

As previously described, because the upper end connection upper transmission part 26 of drive link 25, when bottom cover 10 rotates, lower part driving member 27 by top 15 are jacked up and are rolled into mounting base 12 upwards, and the angle of inclination of hobboing cutter 2 is larger at this time, shorter general suitable for cutting nib Logical pencil, at the same time, the rotation connection arm 21 of two drive links 25 inwardly move, and block roller shaft 21, prevent it along kidney-shaped Hole 23 is moved, and a hole regulating device is cut so as to link, and the thickness for the pencil that may be inserted into a hole 11 is cut in limitation second, it is ensured that when When penknife turns to common pencil cutting position, it is merely able to be inserted into common pencil, and when it turns to drawing pencil cutting position When, it may be inserted into the thicker drawing pencil of penholder.

As shown in Figure 1, cutting position indicate indicator 32, cutting position indicate indicator are additionally provided in the outside of electro-motion pencil sharpener 32 can be arranged on the outside of bottom cover 10, and link with lower part driving member 27, in this way, when lower part rotating member 27 rotates, it can To indicate the cutting position corresponding to penknife by cutting position indicate indicator 32, observed convenient for user.

As previously described, because first cut a hole 6 can be as the rotation of bottom cover 10 be so as to change position, therefore, two One, which cuts a hole 6, can cut a hole 11 with second respectively and penetrate through, for example, when bottom cover 10 turns to a certain position, cut common lead The first of pen, which cuts a hole 6 and cut a hole 11 with second, to be penetrated through, and penknife realizes the function of the common pencil of cutting at this time；When 10 turns of bottom cover It when moving to another location, cuts the first of drawing pencil and cuts a hole 6 and cut a hole 11 with second and penetrate through, penknife realizes cutting element at this time The function of pen.

As shown in figure 9, this diplopore penknife of the present invention, including knife rest 1a, cutter 2a, cutter 2a are installed on knife rest 1a It is mounted on by cutter shaft 3a on knife rest 1a, usually, pencil 21 to be cut is the length direction along penknife entirety Insertion, transmission gear 4a, cutter 2a and transmission gear 4a are fixedly connected on cutter 2a can be synchronously along above and below cutter shaft 3a It is mobile.

As a preferred solution, when cutter 2a is jacked up, the direction of insertion of cutter shaft 3a and pencil to be cut In 4 ~ 11 ° of angle, correspond at this time aperture it is larger cut a hole, the nib cone angle greater depth of cutting is shorter；When cutter 2a quilts During release, the direction of insertion of cutter shaft 3a and pencil to be cut is in 2 ~ 8 ° of angle, corresponds to that aperture is smaller to cut a hole at this time, The nib cone angle of cutting is smaller and length is larger.

As a preferred solution, as shown in figure 12, the bottom of cutter 2a is equipped with the mandril that can jack up cutter 2a The bottom of 7a, mandril 7a can link with other components, can jack up cutter 2a up and down as long as meeting mandril 7a.

As a preferred solution, the bottom of cutter 2a can set cutter pallet 8a, cutter pallet 8a equally also to cover It is located on cutter shaft 3a, balance element when being jacked up as cutter 2a, if directly jacking up cutter 2a, then, it is possible to it can make Larger into that the point stress jacked up, the rising of cutter 2a is unstable, the road when cutter 2a lower parts set a jack-up Tool pallet 8 can then solve the problems, such as this, and during jack-up, the upper end of mandril 7a can be contradicted with the lower surface of cutter pallet 8a, knife When tool 2a is not jacked up, mandril 7a can also equally be disengaged with cutter pallet 8a.

As a preferred solution, as shown in Figure 10,7, the bottom of knife rest 1a is equipped with tool rest bracket 9a, tool rest bracket 9a Interior to be equipped with knife rest turntable 10a, knife rest turntable 10a can be rotated compared with tool rest bracket 9a and rotated synchronously with movable knife rack 1a, knife Frame pedestal 9a is equipped with the matched knife rest sliding slot 12a of rotation path with knife rest 1a, and the lower part of knife rest 1a is fixedly connected with knife rest Litter 13a, knife rest litter 13a are connected through the knife rest sliding slot 12a with knife rest turntable 10a, in this way, knife rest 1a just can be with knife rest Turntable 10a is rotated synchronously, also, the knife rest sliding slot 12a on tool rest bracket 9a defines the slewing area of knife rest 1a, i.e. knife rest is slided Pole 13a can be moved back and forth in the range of knife rest sliding slot 12a restrictions.

As a preferred solution, knife rest litter 13a is equipped with the 14a that is buckled, and knife rest turntable 10a is equipped with and can allow for The kidney slot 15a that knife rest litter 13a is passed through, is equipped on the inner wall of the knife rest turntable 10a below kidney slot 15a and buckle The bayonet 16a of 14a cooperations, in this way, in assembling, in knife rest litter 13a insertion kidney slots 15a, at this time due to the length of kidney slot Diameter of the degree more than knife rest litter 13a, therefore interference is not had during insertion, after insertion, knife rest litter 13a is by top to knife rest turntable The outermost of 10a, buckle 14a will be located at buckle 16 in, and knife rest litter 13a also due to buckle 14a by kidney slot 15a's The /V of outermost edges institute so as to which knife rest 1a and knife rest turntable 10a are relatively fixed, makes the two link.

As a preferred solution, lower ends of the tool rest bracket 9a equipped with mandril sliding slot 11a, mandril 7a is located at the mandril In sliding slot 11a, mandril sliding slot 11a has the matched radian of rotation path with knife rest 1a, and is tilted along the radian direction, this Sample, when knife rest 1a is driven by knife rest turntable 10a when rotating, mandril 7a bottoms are just moved along mandril sliding slot 11a, mandril 7a to During the movement of mandril sliding slot 11a shallower places, jack-up cutter 1 naturally, mandril 7a to mandril sliding slot 11a higher depths move when, put naturally Bottom tool 1.

Knife rest 1a is equipped with two different pen plughole 5a of pore size, is respectively equipped with and cuts on the hole wall of two pen plughole 5a Hole 6a, cutter 2a is arranged on pen plughole 5a and cuts a side of hole 6a, and when cutter 2a is rotated, a position is cut through a hole 6a is cut Pencil in pen plughole 5a, the pen plughole 5a of different pore size size correspond to the pencil of different thicknesses, meanwhile, two pen plughole 5a Interior pencil can be cut to again by cutter 2a, and the pencil of different thicknesses can be cut by thereby realizing penknife Function.

As shown in Fig. 9,4, transmission gear 4a has the different-diameter of corresponding cutting different length nib, is primarily referred to as here Transmission gear 4a's straightens gauge structure, such as shown in figure, transmission gear 4a is a kind of up-small and down-big structure, but the number of teeth and The size of tooth is constant, in this way, either any diameter, it can be with the transmission gear ring 17a of connection external drive Engagement, so as to be driven by it, the different-diameter size of transmission gear 4a, primarily to changing cutting angle, so as to cut The nib of different cone angle size, for example, when the top of transmission gear 4a and the 17a engagements of transmission gear ring, transmission gear 4a's Engagement diameter is minimum, and cutting angle is maximum at this time, and the nib cone angle cut is big, when the bottom of transmission gear 4a and driving cog When enclosing 17a engagements, the engagement diameter of transmission gear 4a is maximum, and cutting angle is minimum at this time, and the nib cone angle cut is small.

Transmission gear 4a is to be fixedly connected with cutter 2a, and can synchronously be moved up and down along cutter shaft 3a, therefore, knife Tool 2a's moves up and down directly moving up and down with nutating gear 4a, therefore, when jacking up and putting down cutter 2a, actually changes What is become is the cutting angle of transmission gear 4a, and cuts an arrangement of hole 6a, also just corresponding with the upper-lower position of cutter 2a, example Such as, one of them cut a position of hole 6a be in cutter lower part position it is corresponding, and another cut the position in hole then with The position that cutter is in top is corresponding, and the pen of such different thicknesses can also cut the nib of different cone angle.

It is uniform when as a preferred solution, due to the variable diameters of transmission gear 4a, turn to centre position When, the moderate pen of nib taper can be cut.

As a preferred solution, diplopore penknife of the invention can also set the locking switch of knife rest turntable 10a 18, locking switch 18 is located at the lower part of tool rest bracket 9a and knife rest turntable 10a, and locking switch 18 may be mounted at the outer of penknife In portion's structure, slot is stirred as long as having, and position is just corresponding, when function of locking switch 18 realize tool rest bracket 9a and The locking of knife rest turntable 10a, in a state of use, locking switch 18 must lock tool rest bracket 9a and knife rest turntable 10a, really Protect cutter frame structure to stablize, but when such as knife rest damage situations such as needing replacing occurs, due to locking switch 18 be can be along knife The tangential direction of frame pedestal 9a is struck, and locking switch 18 is outwards stirred, then locking switch 18 can take off with knife rest turntable 10a From interference, knife rest turntable 10a can be removed at this time, realize the dismounting and replacement of cutter 2a.

As a preferred solution, nib sensing device 19a in place can be set on tool rest bracket 9a, and nib is felt in place The lower section that device 19a is answered to be located at two pen plughole 5a respectively, since the length of cut of two pen plughole 5a is different, nib arrives The height of position sensing device 19a is also different, and as shown in Figure 12-5, also, sensing device 19a is fixed on one to two nibs in place On a sensing device pallet 20a, sensing device pallet 20a is to need to rotate synchronously with knife rest 1a.

As a preferred solution, sensing device pallet 20a directly can be fixed on knife rest 1a's by form fit Bottom, so as to synchronous rotation.

As a preferred solution, the bottom of sensing device pallet 20a can also be arranged through the company of tool rest bracket 9a Bar, this connecting rod may be coupled to some mounting hole on knife rest turntable 10a, in this way, when knife rest turntable 10a is rotated, sensing Sensing device 19a can be rotated synchronously with knife rest turntable 10a namely knife rest 1a in place for device pallet 20a and nib thereon.

As shown in figure 13, automatic entrance-exit pen device of the invention be mounted on penknife top, including retreat a shaft, into It moves back a shaft and is equipped with an idler wheel of retreating, a shaft of retreating, which is mounted on, retreats on a fixed frame, and being capable of edge within the specific limits It above and below advance and retreat fixed frame and moves left and right, when a shaft of retreating moves left and right, thus it is possible to vary between two shafts of retreating Spacing, so as to fulfill adapt to different thicknesses pencil sized adjusting.

As a preferred mode, as illustrated in figs. 16-19, a shaft of retreating includes retreat a first axle 1b and advance and retreat pen Second axis 2b, the first axle 1b that retreats are equipped with advance and retreat pen the first idler wheel 3b, and the second axis of advance and retreat pen 2b is equipped with advance and retreat pen second The passage 5b that retreats is formed between idler wheel 4b, advance and retreat pen the first idler wheel 3b and the second idler wheel of advance and retreat pen 4b.

As a preferred mode, the advance and retreat pen first round 3 and the wheel of advance and retreat pen second 4 can clamp pencil to be cut 6b is realized into pen so as to which it inwardly be brought into or outside taken realization out of and move back pen.

As a preferred mode, the advance and retreat pen first round 3 and first axle 1b that retreats is rotated synchronously, and advance and retreat pen second is taken turns 4 rotate synchronously with the second axis of advance and retreat pen 2b, also, the advance and retreat pen first round 3 and the wheel of advance and retreat pen second 4 are using with certain elasticity Material be made, so can to retreat a passage 5b in pencil form certain chucking power, contribute to it outwardly or inwardly It promotes.

As a preferred mode, one in a shaft of retreating is used as driving shaft, and another is used as servo axis, example Such as, in the present embodiment, a first axle 1b will can be retreated as driving shaft, in this way, the advance and retreat pen first round 3 is then as actively Wheel, then power transmission be connected to the first axle 1b that retreats, as shown in figure 19, being fixedly connected on the first axle 1b that retreats can be with Its advance and retreat transmission gear 7b rotated synchronously, the transmission gear 7b that retreats are connected to advance and retreat pen by the Transmission gear 8b that retreats Input gear 9b.

The input gear 9b that retreats is then that the power resources of advance and retreat pen device are directly accessed, for example, as a kind of preferred Mode, the input gear 9b that retreats can be engaged with the cutter drives gear 10b of penknife, as shown in figure 17, cutter drives tooth The top for taking turns 10b is equipped with driving circle, the upper surface of circle is driven to be equipped with upward circle tooth, which can be with an input gear of retreating The tooth engagement of 9b, when cutter drives gear 10b rotates driving cutter and rotates, which also drives advance and retreat input gear 9b to turn It is dynamic, so as to which advance and retreat pen device be driven to run.

A fixed frame of retreating includes advance and retreat pen the first fixed plate 11b and advance and retreat pen the second fixed plate 12b, as a kind of preferred Mode, the form that side clamping may be employed in advance and retreat pen the first fixed plate 11b and the second fixed plate of advance and retreat pen 12b is fixedly connected Together, for example, being equipped with buckle on the first fixed plate of advance and retreat pen 11b, the second fixed plate of advance and retreat pen 12b is equipped with and these cards Matched buckle is detained, in this way, the fixed plate of two panels bracket shape can just be connected together to form a fixed frame, will be retreated An idler wheel and gear drive part all frames are retreated wherein in the middle part of shaft, form a device, also function to corresponding guarantor Shield acts on.

In structure as above, as shown in figs. 15 and 18, the both ends point for the first axle 1b and the second axis of advance and retreat pen 2b that retreats An Zhuan not be on advance and retreat pen the first fixed plate 11b and the second fixed plate of advance and retreat pen 12b, retreat a first axle 1b and advance and retreat pen second Axis 2b requirements are parallel and positioned at identical height, can so ensure into pen and to move back the direction of pen be short transverse with penknife It is identical, if wandered off into pen and the direction for moving back pen, it can cause pencil that can not cut a hole completely into corresponding, cause to cut endless Complete or cutting failure.

As a preferred solution, symmetrically set on advance and retreat pen the first fixed plate 11b and the second fixed plate of advance and retreat pen 12b There are advance and retreat pen the first mounting hole 13b and advance and retreat pen the second mounting hole 14b, advance and retreat pen the first mounting hole 13b and advance and retreat pen second to pacify Dress hole 14b is oblique kidney slot 26b and this holes compared with the second fixed plate of advance and retreat pen the first fixed plate 11b and advance and retreat pen The longitudinal centre line mirror-image arrangement of 12b, that is, the first mounting hole of advance and retreat pen 13b on the first fixed plate of advance and retreat pen 11b With advance and retreat pen the second mounting hole 14b compared with the longitudinal centre line mirror-image arrangement of the first fixed plate of advance and retreat pen 11b, positioned at advance and retreat pen Advance and retreat pen the first mounting hole 13b and advance and retreat pen the second mounting hole 14b on second fixed plate 12b are fixed compared with advance and retreat pen second The longitudinal centre line mirror-image arrangement of plate 12b, between advance and retreat pen the first mounting hole 13b and advance and retreat pen the second mounting hole 14b lower ends Distance is more than the distance between the two upper end, and oblique kidney slot forms the thickness adjusting into direction, for example, thicker pencil is inserted It, can be downwards and outwardly against two idler wheels when entering advance and retreat passage 5b so that the passage 5b that retreats broadens, so that the present invention Device is capable of the cutting demand of the pencil of different thicknesses.

As a preferred mode, the outside of advance and retreat pen the first fixed plate 11b and the second fixed plate of advance and retreat pen 12b are also set There is the advance and retreat limiting plate 15b for a shaft of retreating, the both sides for the limiting plate 15b that retreats are equipped with the /V shelves 16b that retreats, and retreat Limiting plate 15b can be moved up and down along the passage formed between a /V shelves item 15 of retreating, the first fixed plate of advance and retreat pen 11b With the positioning protrusion 17b that a limiting plate 16 of retreating is additionally provided in the middle part of the second fixed plate of advance and retreat pen 12b, retreat a limiting plate 15b It is equipped with the matched positioning groove 18b of the positioning protrusion, the limiting plate 15b that retreats is equipped with a corresponding first axle of retreating respectively The horizontal kidney slot 19b of 1b and the second axis of advance and retreat pen 2b, the outer end for the first axle 1b and the second axis of advance and retreat pen 2b that retreats are worn respectively Crossing transverse direction kidney slot 19b can simultaneously move back and forth wherein, and reset element, such as resetting spring can be set in positioning groove 18b, The both ends of resetting spring be respectively connected to positioning groove 18b trench bottom and positioning protrusion 17b towards positioning groove 18b this One side, in this way, when thicker pencil exits, the first axle 1b and the second axis of advance and retreat pen 2b that retreats just can reset to initial shape State can accommodate the state of most thin pencil insertion.

As a preferred mode, automatic entrance-exit pen device of the invention further includes the starting switch 20b of advance and retreat pen, such as Shown in Figure 20, the inner end of starting switch 20b has the inclined-plane 21b coordinated with pencil 6b to be cut, the outer end of starting switch 20b With top 22b, as shown in figure 14, when it is to be cut sharpen a pencil 6 insertion when, starting switch 20b is pushed out by inclined-plane 21b, then Top 22b can touch a connecting rod 23b, this root connecting rod 23b can promote left side of the square below rolling bar 24b into figure to move It is dynamic, start so as to trigger microswitch 25b, penknife and the device of the invention can be with synchronous averagings at this time.

As shown in Figure 21,22,23,24, linkage of the invention includes the first swing arm 1c, the first swing arm 1c and is equipped with energy One end connection first connecting rod 3c of the first the swing rod 2c, the first swing rod 2c enough rotated with it, the lower end in contact of first connecting rod 3c the One end of two swing rod 9c, the second swing rod 9c are installed in rotation on the second swing arm 4c, and the other end of the second swing rod 4 is equipped with nib Regulating device.

As a preferred mode, microswitch isolation 18c is connected on the lower surface of the first swing arm 1c, but is schemed In 23 it can be seen that its position, the first swing arm 1c and microswitch isolation are respectively positioned on the right side of microswitch, when the first rotation When bar 1c right-hand side assemblies promote microswitch isolation, it can trigger microswitch and start electro-motion pencil sharpener.

An important function of the invention is exactly to realize that the nib size of institute's sharpening pencil is adjusted, and therefore, nib is adjusted Device is the primary structure of the present invention, and nib regulating device mainly includes adjusting plectrum 6c and adjusts step body 7c, adjusts Plectrum 6c is installed in rotation on the 3rd swing arm 8c, is adjusted step body 7c and is fixedly connected on the inner end for adjusting plectrum 6c, and second Swing rod 9c is equipped on the corresponding upper surface adjusted below step body 7c and adjusts salient point 10c, adjust the lower surface of step body 7c with Adjust the contact of salient point.

As a preferred mode, adjust step body 7c at least to have there are two the different adjusting step of height, can adjust Two kinds of nib length are saved, as shown in figure 23, in the present embodiment, adjusting step body 7c tools, there are three the different regulating platforms of height Rank.

As a preferred mode, adjust step body 7c and be equipped with the adjusting rod group for being in contact with it cooperation, adjusting rod group Coordinate with the cutter of penknife.

Specifically, as shown in figure 23, adjusting rod group includes the first tune that lower end contacts directly cooperation with adjusting step body Pole 11c, the upper end of the first adjusting rod 11c are engaged with the second adjusting rod 12c, the upper end of the second adjusting rod 12c and cutter Interior penholder senses pallet 13c and is engaged in place, and since in the present invention, cutter is diplopore cutter, therefore there are two pens for correspondence Point induction rod 14c in place, induction rod 14c is installed in penholder and senses in place on pallet 13c nib in place, and is located at two respectively A to cut below hole, after the completion of pencil cutting, nib can push up nib in place on induction rod 14c, so as to by nib in place Sensing pallet 13 pushes, and since the second swing rod 9c can be rotated around the second swing arm 4c, forms one similar to seesaw Structure when nib senses pallet 13 in place to be pushed, drives the second swing rod 9c to have this one side for adjusting salient point to move down, the other end is just It upwarping, so as to which first connecting rod be driven to move up, the first swing arm 1c is driven to rotate, triggering microswitch is closed, and is realized and is stopped in place, and As previously mentioned, the adjusting step of different height, corresponding different length of cut, length of cut is realized by stirring adjusting plectrum Adjusting, the high adjusting step of a bit, distance in place is short, and the nib of cutting is shorter, and lower adjusting step, in place Distance, the nib of cutting are just longer.

One important function of the present invention is exactly to realize to uncap to stop, and lid here refers to bottom cover, since the present invention uses Be driving on put, the structure that scrap is discharged from below, therefore, when chip removal or replace cutter when, it is necessary to bottom cover rotation tear open Under, cutter should not rotate at this time, otherwise easily generate dangerous or damage mechanism, it is necessary to there is cover protecting device.

As shown in Figure 21,22, present invention additionally comprises second connecting rod 15c, and the upper end of second connecting rod 15c is with the first swing rod 2c's The other end is linked, and lower end and the penknife pedestal 16c of second connecting rod 15c are engaged, as shown in Figure 22, herein cut pen Machine base 16c is an installation sheet in bottom cover, a cylindrical fit on the lower end of second connecting rod 15c, with the installation sheet.

As a kind of preferred fit system, the upper end of second connecting rod 15c is equipped with the interference piece 17c for being secured to connection, First swing rod 2c is equipped with the opening with the diameter matches of second connecting rod 15c, and the upper end of second connecting rod 15c is located in the opening, And interference piece 17c is located at the top that first this one end of swing rod 2c is placed in above the opening, is so equivalent to and forms first Swing rod 2c upper ends clamp such a structure of second connecting rod 15c upper ends, when bottom cover removes, the bottom of second connecting rod 15c Support is lost, second connecting rod 15c is just fallen downwards, then the seesaw that the first swing rod 2c of melancholy can be rotated around the first swing arm 1c Principle, similary first swing arm 1c can be rotated, and triggering microswitch is closed, and realization, which is uncapped, to stop.

Claims (10)

1. electro-motion pencil sharpener including housing, is equipped with pencil sharpener, pencil sharpener is driven by gear drive, and pencil sharpener includes in housing Cutter and knife rest, cutter are installed in rotation on by cutter shaft in knife rest, and cutter is equipped with cutter transmission gear, is set on knife rest There are two cutting a hole, it is characterized in that, two pore sizes for cutting a hole are different, and cutter transmission gear is variable diameters gear, electronic Penknife is equipped with the jacking component of cutter, and cutter can be jacked up or put down change cutter transmission gear and be passed with gear by jacking component The fit angle of dynamic driving, so as to change the cutting angle of cutter.

2. electro-motion pencil sharpener according to claim 1, it is characterized in that, cutter and transmission gear can be synchronously along in cutter shafts Lower movement.

3. electro-motion pencil sharpener according to claim 1, it is characterized in that, cutter bottom is equipped with the top that can jack up cutter Bar.

4. electro-motion pencil sharpener according to claim 3, it is characterized in that, which further includes the locking of knife rest turntable Switch, locking switch are located at the lower part of tool rest bracket and knife rest turntable, and locking switch can be along the tangential direction quilt of tool rest bracket It stirs.

5. electro-motion pencil sharpener according to claim 4, it is characterized in that, electric drive component is equipped in electro-motion pencil sharpener and is given up Consider accommodating cavity to be worth doing, electric drive component is arranged on the top of scrap accommodating cavity.

6. electro-motion pencil sharpener according to claim 1, it is characterized in that, it is equipped in the head cover of electro-motion pencil sharpener and cuts a hole adjusting Device, cutting a hole regulating device includes a shaft of retreating, and a shaft of retreating is equipped with an idler wheel of retreating, and a shaft of retreating is mounted on Retreat a fixed frame on, and can within the specific limits along retreat a fixed frame up and down and move left and right.

7. electro-motion pencil sharpener according to claim 1, it is characterized in that, a shaft of retreating includes retreat a first axle and advance and retreat The second axis of pen, a first axle of retreating are equipped with the first idler wheel of advance and retreat pen, and the second axis of advance and retreat pen is equipped with the second idler wheel of advance and retreat pen, into It moves back and a passage of retreating is formed between the second idler wheel of the first idler wheel of pen and advance and retreat pen, the advance and retreat pen first round is synchronous with advance and retreat first axle It rotates, the wheel of advance and retreat pen second is rotated synchronously with the second axis of advance and retreat pen, and the advance and retreat pen first round and the wheel of advance and retreat pen second can clamp Pencil to be cut.

8. electro-motion pencil sharpener according to claim 7, it is characterized in that, electro-motion pencil sharpener further includes linkage, linkage dress It puts including the first swing arm, the first swing arm is equipped with the first swing rod that can be rotated with it, and one end connection first of the first swing rod connects Bar, one end of the second swing rod of lower end in contact of first connecting rod, the second swing rod are installed in rotation on the second swing arm, the second swing rod The other end be equipped with nib regulating device.

9. electro-motion pencil sharpener according to claim 7, it is characterized in that, nib regulating device includes adjusting plectrum and regulating platform Rank body, adjust plectrum be installed in rotation on the 3rd swing arm, adjust step body be fixedly connected on adjust plectrum inner end, second Swing rod, which is equipped with, adjusts salient point, adjusts contact of the lower surface of step body with adjusting salient point.

10. electro-motion pencil sharpener according to claim 1, it is characterized in that, the upper end of second connecting rod, which is equipped with, to be secured to connect Interference piece, the first swing rod is equipped with opening with the diameter matches of second connecting rod, and the upper end of second connecting rod is located in the opening, And interference piece is located at the top that first this one end of swing rod is placed in above the opening.