CN206678657U - A kind of electro-motion pencil sharpener that may be selected to cut two kinds of different coning angle nibs of system - Google Patents

Abstract

The utility model provides a kind of electro-motion pencil sharpener that may be selected to cut two kinds of different coning angle nibs of system, including turn-button (1), fixed cover (2), bipyramid hole hobboing cutter tool (3), hob head (4), electrical equipment unit (5), shell (6).The turn-button that the utility model uses is provided with button gear and pen port；Fixed cover is provided with internal gear, chip removal mouth and set mesopore, and hobboing cutter tool in bipyramid hole is made up of double taper hole knife rests and hobboing cutter, and double taper hole knife rests are provided with A taper holes, B taper holes and frame curved tooth, and hobboing cutter is provided with cutter tooth wheel；Hob head is provided with splined shaft and seat mesopore；Electrical equipment unit is made up of motor, decelerator, switch, spring, contact, feeler lever, charge port, rechargable battery；Shell is made up of top 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 scheme of shorter pen core, make electro-motion pencil sharpener, reach the pencil point that can cut two kinds of coning angles of size processed, the purpose for meeting art designing worker's demand.

Description

A kind of electro-motion pencil sharpener that may be selected to cut two kinds of different coning angle nibs of system

Technical field

It the utility model is related to a kind of electro-motion pencil sharpener, in particular to for sharpening a pencil, can select to cut two kinds of differences of system A kind of electro-motion pencil sharpener that may be selected to cut two kinds of different coning angle nibs of system of cone angle pencil point.

Background technology

For industrial art worker, as pencil sketch, sculpture, sketching the contours, it is necessary to cut pen core processed for dress designing are grown Spend different pencils, i.e. need the cone-shaped pencil nib of different cone angle；The electro-motion pencil sharpener of the prior art system of can only cutting is a kind of The taper pencil point of angle, haves no alternative but, and art designing worker, by cutter, sand paper, using the system of cutting by hand, beats before work Mill, the pencil of the conical pen point of many branch different cone angles of preparation；Pencil processed is cut by hand, it is necessary to skilled cut a basic training, and Efficiency is low, with duration, arduous trouble；Therefore, prior art presence, which can only be cut, makes a kind of pencil point of cone angle, is not suitable with art designing The problem of worker's demand and deficiency.

The content of the invention

For the above-mentioned problems of the prior art and deficiency, the utility model uses to be rolled by turn-button, fixed cover, bipyramid hole The device that cutter, hob head, electrical equipment unit, shell are formed, wherein, turn-button is provided with button gear and pen port；Fixed cover is provided with internal tooth Wheel, chip removal mouth and set mesopore, bipyramid hole hobboing cutter tool are made up of double taper hole knife rests and hobboing cutter, and double taper hole knife rests are provided with A taper holes, B is bored Hole and frame curved tooth, hobboing cutter are provided with cutter tooth wheel；Hob head is provided with splined shaft and seat mesopore；Electrical equipment unit by motor, decelerator, switch, Spring, contact, feeler lever, charge port, rechargable battery are formed；Shell is made up of top cover, upper casing and middle shell and lower casing, wherein, by top cover It is referred to as chip storehouse with the chamber that upper casing surrounds, the chamber surrounded by middle shell and lower casing is referred to as electromechanical storehouse；Electrical equipment unit is located at electromechanical storehouse It is interior, fixed cover, bipyramid hole hobboing cutter tool, hob head be located in the chip storehouse, turn-button is located at top cover, it is exposed above turn-button and It is concordant with above top cover；In hob head, hob head is located in fixed cover bipyramid hole hobboing cutter tool, the internal gear with it is described Cutter tooth wheel engages, and shell is fixed on the top of electrical equipment unit, the flower of the splined shaft and the output wheel of the decelerator in fixed cover warp Keyhole slides bonding connection, is rotatably connected in the axle blind hole of the top insertion splined shaft of the feeler lever, the lower end of feeler lever and institute State and connection is contacted above contact, switch is provided with spring supporting between the lower section of contact, switch and contact；Turn-button is connected to Above fixed cover, the button gear engages with the frame curved tooth；The A taper holes are the cutting of small-angle cone-shaped pencil nib Hole, the B taper holes are the cutting hole of big cone angle cone-shaped pencil nib；That is, the pen core length of A taper holes institute cutting forming pencil point Degree is longer, and the pen core length of B taper holes institute cutting forming pencil point is shorter；

When longer pen core is cut in selection, turn-button is rotated, the button gear is through the frame curved tooth by the A taper holes of double taper hole knife rests The alignment pen port is gone to, pencil is inserted into pen port and exerted a force downwards, is acted on by downward force, double taper hole knife rests, Hob head drives the feeler lever, contact to overcome the support of the spring to move down through the splined shaft, now, because of double hole-tapering cutters Frame is moved down, and the button gear is disengaged from the frame curved tooth；Below contact during downward touch switch, switch is opened, Electric motor starting, motor drive hob head through the decelerator, output wheel, splined hole, splined shaft and drive bipyramid hole hobboing cutter tool with A Revolved round the sun centered on taper hole around pencil, at the same time, in the presence of internal gear and cutter tooth wheel, hobboing cutter along its axis of rotation rotation, The lower end milling of pencil is molded to the shape of A taper holes by the hobboing cutter of rotation, i.e. obtains the cone-shaped pencil nib of small-angle；

When shorter pen core is cut in selection, turn-button is rotated, the B taper holes of double taper hole knife rests are gone into the alignment pen port, will Pencil inserts pen port and exerted a force downwards, and similarly, the lower end milling of pencil is molded to the shape of B taper holes by the hobboing cutter of rotation, i.e. Obtain the technical scheme of the cone-shaped pencil nib of big cone angle, there is provided a kind of electricity that may be selected to cut two kinds of different coning angle nibs of system Dynamic penknife, it is intended to make electro-motion pencil sharpener, the pencil point of two kinds of coning angles of size processed can be cut, meet art designing worker by reaching The purpose of demand.

What the purpose of this utility model was realized in：It is a kind of to may be selected to cut two kinds of different the electronic of coning angle nib of system and cut Machine, including turn-button, fixed cover, bipyramid hole hobboing cutter tool, hob head, electrical equipment unit, shell, wherein：Described turn-button is cylinder Plastics matter component, center is referred to as button gear provided with downwardly projecting cylindrical gear below turn-button, in the button gear The manhole that the heart is provided with above and below penetrating turn-button is referred to as pen port；

Described fixed cover is to have the barrel-shaped plastics matter component of top, open underneath, cylinder, the inner chamber top of fixed cover above Internal gear is fixed with, the internal gear is that inner ring is provided with teeth, the steel components of annular；The top center of fixed cover is provided with Manhole is referred to as covering mesopore, six is laid with the post jamb of fixed cover, the rectangular through-hole that long side is above-below direction is referred to as arranging Consider mouth to be worth doing；

Described bipyramid hole hobboing cutter tool is made up of double taper hole knife rests and hobboing cutter, double taper hole knife rests for above have top, under have Bottom, middle part hollow out, overlook in fan-shaped, side view in [the fan cylindrical plastic texture part of shape character, the top interval of double taper hole knife rests is set Have two summits down, the conical through hole that is parallel to each other of axis be referred to as A taper holes and B taper holes；The cone angle of the A taper holes Less than the cone angle of the B taper holes；The flange also protruding upward for being provided with fan annular is referred to as frame arc at outer rim above double taper hole knife rests Tooth, interior teeth are provided with the inner round wall of the frame curved tooth；The hobboing cutter is cylindrical multi-head spiral shear-steel matter milling cutter, hobboing cutter it is upper Face is fixed with cylinder angular gear and is referred to as cutter tooth wheel；Hobboing cutter is connected between A taper holes and B taper holes, the post jamb of hobboing cutter respectively with A Taper hole is parallel with the inner cone hole wall of B taper holes and mutually cuts, and hobboing cutter can rotate along own axes；

Described hob head be above have dome, under have round bottom, middle part in the tubular plastics matter component of half slit bamboo or chopped wood thin wall cylindrical, rolling Center is fixed with the splined shaft of protrusion below tool rest, and the lower end of the splined shaft is provided with circular blind hole and is referred to as axle blind hole； Center is referred to as seat mesopore provided with circular through hole above hob head；

Described electrical equipment unit is by motor, decelerator, output wheel, switch, spring, contact, feeler lever, charge port, rechargable battery structure Into the motor is dc motor；The decelerator is gear reduction unit, the center of the output wheel of decelerator be provided with it is described Splined shaft slides the splined hole of corresponding matching；The switch is the normally opened dynamic circuit connector electric switch element of push button；The spring is circle Post spiral compression spring；The contact is the plastics matter component for the circular channel-shaped that flange is provided with upper edge hole；The feeler lever is circle Mast shape steel components；The charge port is electric insert-pull element；The rechargable battery is that rechargeable battery；

Described shell is made up of top cover, upper casing, middle shell and lower casing, wherein, the top cover is to have top above, open below Put, the plastics matter component of thin wall cylindrical lid, center leads to provided with the circle being slidably matched corresponding with the turn-button above top cover Hole is referred to as lid mesopore；The upper casing for above it is open, have bottom, the plastics matter component of thin wall cylindrical tubbiness below, below upper casing Center is provided with the corresponding manhole through the splined shaft and is referred to as upper casing mesopore；The middle shell for have above top, open underneath, The plastics matter component of thin-walled round platform tubbiness, it is provided with above middle shell during the corresponding manhole through the splined shaft is referred to as in shell Hole；The lower casing is to open above, have bottom, the plastics matter component of thin-walled round platform tubbiness below；From top to bottom, top cover, upper casing, in Shell and lower casing are sequentially connected, wherein, the chamber surrounded by top cover and upper casing is referred to as chip storehouse, the chamber surrounded by middle shell and lower casing Referred to as electromechanical storehouse；

Electrical equipment unit is located in electromechanical storehouse, and fixed cover, bipyramid hole hobboing cutter tool, hob head are located in the chip storehouse, turn-button position It is concordant with above top cover above turn-button at the lid mesopore of top cover；Bipyramid hole hobboing cutter tool is fixed in hob head, Hob head liftable, rotatable in the fixed cover, the internal gear engages with the cutter tooth wheel, and fixed cover is through upper casing, middle shell The top of electrical equipment unit is fixed on, the splined shaft passes through the upper casing mesopore, middle shell mesopore and the output wheel of the decelerator Splined hole slide bonding connection, the feeler lever top insertion splined shaft axle blind hole in is rotatably connected, the lower end of feeler lever with Connection is contacted above the contact, switch is provided with spring supporting between the lower section of contact, switch and contact；Turn-button is fixed It is connected to above fixed cover, the button gears slip engages through the set mesopore with the frame curved tooth.

Explanation：The A taper holes are the cutting hole of small-angle cone-shaped pencil nib, and the B taper holes are big cone angle cone The cutting hole of pencil point；That is, the pen core length of A taper holes institute cutting forming pencil point is longer, B taper holes institute cutting forming pencil The pen core length of nib is shorter.

Working principle and beneficial effect

When longer pen core is cut in selection, turn-button is rotated, the button gear is through the frame curved tooth by the A taper holes of double taper hole knife rests The alignment pen port is gone to, pencil is inserted into pen port and exerted a force downwards, is acted on by downward force, double taper hole knife rests, Hob head drives the feeler lever, contact to overcome the support of the spring to move down through the splined shaft, now, because of double hole-tapering cutters Frame is moved down, and the button gear is disengaged from the frame curved tooth；Below contact during downward touch switch, switch is opened, Electric motor starting, motor drive hob head through the decelerator, output wheel, splined hole, splined shaft and drive bipyramid hole hobboing cutter tool with A Revolved round the sun centered on taper hole around pencil, at the same time, in the presence of internal gear and cutter tooth wheel, hobboing cutter has with bipyramid hole hobboing cutter The lower end milling of pencil is molded to the shape of A taper holes while revolution around pencil and along its axis of rotation rotation, the hobboing cutter of rotation Shape, i.e. obtain the cone-shaped pencil nib of small-angle；

When shorter pen core is cut in selection, turn-button is rotated, the B taper holes of double taper hole knife rests are gone into the alignment pen port, will Pencil inserts pen port and exerted a force downwards, and similarly, the lower end milling of pencil is molded to the shape of B taper holes by the hobboing cutter of rotation, i.e. Obtain the cone-shaped pencil nib of big cone angle；

Cut pen to finish, be drawn upwardly out pencil, by spring effect, feeler lever, contact, double taper hole knife rests, hob head reset, opened upwards Close, motor stops, and button reset gear engages with frame curved tooth；The chip of hobboing cutter milling pencil is got rid of into chip through the chip removal mouth Storehouse, chip can be outwelled by cutting the complete top cover of opening of pen.

The present apparatus realizes energy by setting bipyramid hole hobboing cutter tool and matched mechanism on an electro-motion pencil sharpener The function of two kinds of coning angle pencil points of size processed is cut in enough selections, is adapted to and is met art designing worker's demand.

Above-mentioned, the utility model is used and is made up of turn-button, fixed cover, bipyramid hole hobboing cutter tool, hob head, electrical equipment unit, shell Device, wherein, turn-button is provided with button gear and pen port；Fixed cover is provided with internal gear, chip removal mouth and set mesopore, bipyramid hole hobboing cutter Tool is made up of double taper hole knife rests and hobboing cutter, and double taper hole knife rests are provided with A taper holes, B taper holes and frame curved tooth, and hobboing cutter is provided with cutter tooth wheel；Rolling Tool rest is provided with splined shaft and seat mesopore；Electrical equipment unit is by motor, decelerator, switch, spring, contact, feeler lever, charge port, rechargable battery Form；Shell is made up of top cover, upper casing and middle shell and lower casing, wherein, the chamber surrounded by top cover and upper casing is referred to as chip storehouse, The chamber surrounded by middle shell and lower casing is referred to as electromechanical storehouse；Electrical equipment unit is located in electromechanical storehouse, fixed cover, bipyramid hole hobboing cutter tool, hobboing cutter In the chip storehouse, turn-button is located at top cover seat, exposed above turn-button and concordant with above top cover；Bipyramid hole hobboing cutter Tool is in hob head, and hob head is located in fixed cover, and the internal gear engages with the cutter tooth wheel, and shell is fixed in fixed cover warp In the top of electrical equipment unit, the splined shaft slides with the splined hole of the output wheel of the decelerator and is bonded connection, the feeler lever It is rotatably connected in the axle blind hole of top insertion splined shaft, the lower end of feeler lever switchs position with contacting connection above the contact Spring supporting is provided between the lower section of contact, switch and contact；Turn-button is connected to above fixed cover, the button gear and institute State the engagement of frame curved tooth；The A taper holes are the cutting hole of small-angle cone-shaped pencil nib, and the B taper holes are big cone angle cone The cutting hole of pencil point；That is, the pen core length of A taper holes institute cutting forming pencil point is longer, B taper holes institute cutting forming pencil The pen core length of nib is shorter；

When longer pen core is cut in selection, turn-button is rotated, the button gear is through the frame curved tooth by the A taper holes of double taper hole knife rests The alignment pen port is gone to, pencil is inserted into pen port and exerted a force downwards, is acted on by downward force, double taper hole knife rests, Hob head drives the feeler lever, contact to overcome the support of the spring to move down through the splined shaft, now, because of double hole-tapering cutters Frame is moved down, and the button gear is disengaged from the frame curved tooth；Below contact during downward touch switch, switch is opened, Electric motor starting, motor drive hob head through the decelerator, output wheel, splined hole, splined shaft and drive bipyramid hole hobboing cutter tool with A Revolved round the sun centered on taper hole around pencil, at the same time, in the presence of internal gear and cutter tooth wheel, hobboing cutter along its axis of rotation rotation, The lower end milling of pencil is molded to the shape of A taper holes by the hobboing cutter of rotation, i.e. obtains the cone-shaped pencil nib of small-angle；

When shorter pen core is cut in selection, turn-button is rotated, the B taper holes of double taper hole knife rests are gone into the alignment pen port, will Pencil inserts pen port and exerted a force downwards, and similarly, the lower end milling of pencil is molded to the shape of B taper holes by the hobboing cutter of rotation, i.e. The technical scheme of the cone-shaped pencil nib of big cone angle is obtained, prior art presence is overcome and can only cut and make a kind of pencil of cone angle Nib, the problem of art designing worker's demand and deficiency are not suitable with, the one kind provided may be selected to cut two kinds of different coning angle pens of system The electro-motion pencil sharpener of point, makes electro-motion pencil sharpener, the pencil point of two kinds of coning angles of size processed can be cut, meet art designing's work by having reached The purpose of author's demand.

Brief description of the drawings

Fig. 1 is a kind of section view knot that may be selected to cut the electro-motion pencil sharpener of two kinds of different coning angle nibs of system of the present utility model Structure schematic diagram, A taper holes 311 are directed at pen port 12 in figure；

Fig. 2 is the extraction enlarged drawing in A portions in Fig. 1；

Fig. 3 is Fig. 1 vertical view schematic cross-sectional view；

Fig. 4 is a kind of section view knot that may be selected to cut the electro-motion pencil sharpener of two kinds of different coning angle nibs of system of the present utility model Structure schematic diagram, B taper holes 312 are directed at pen port 12 in figure；

Fig. 5 is Fig. 4 vertical view schematic cross-sectional view；

Fig. 6 is that a kind of electro-motion pencil sharpener that may be selected to cut two kinds of different coning angle nibs of system of the present utility model looks up axle Decomposing schematic representation is surveyed, top cover 61, upper casing 62 and middle shell 63 are eliminated in figure；

Fig. 7 is a kind of vertical view axle that may be selected to cut the electro-motion pencil sharpener of two kinds of different coning angle nibs of system of the present utility model Decomposing schematic representation is surveyed, top cover 61, upper casing 62 and middle shell 63 are eliminated in figure；

Fig. 8 is a kind of bipyramid hole that may be selected to cut the electro-motion pencil sharpener of two kinds of different coning angle nibs of system of the present utility model The cross section structure diagram of hobboing cutter tool 3；

Fig. 9 is Fig. 8 diagrammatic side-view cross-sectional schematic diagram；

Figure 10 is Fig. 8 downward projection schematic diagram；

Figure 11 is that a kind of axle that may be selected to cut the electro-motion pencil sharpener of two kinds of different coning angle nibs of system of the present utility model is surveyed Schematic diagram, top cover 61, upper casing 62 and middle shell 63 are eliminated in figure；

Figure 12 is a kind of outward appearance that may be selected to cut the electro-motion pencil sharpener of two kinds of different coning angle nibs of system of the present utility model Structure axonometric schematic diagram；

Figure 13 is the schematic diagram of pencil 01 that system is cut with the A taper holes 311；

Figure 14 is the schematic diagram of pencil 02 that system is cut with the B taper holes 312.

Embodiment in below in conjunction with the accompanying drawings is described in further detail to the utility model, but should not be construed as to this reality With new any restrictions.

In figure：Turn-button 1, button gear 11, pen port 12, fixed cover 2, internal gear 21, chip removal mouth 22, set mesopore 23, bipyramid Hole hobboing cutter tool 3, double taper hole knife rests 31, A taper holes 311, B taper holes 312, frame curved tooth 313, hobboing cutter 32, cutter tooth wheel 321, hob head 4, Splined shaft 41, axle blind hole 411, seat mesopore 42, electrical equipment unit 5, motor 51, decelerator 52, output wheel 521, splined hole 522, switch 53rd, spring 54, contact 55, feeler lever 551, charge port 56, rechargable battery 57, shell 6, top cover 61, upper casing 62, chip storehouse 621, middle shell 63rd, lower casing 64, electromechanical storehouse 65, the pencil 01 for cutting with A taper holes 311 system, the pencil 02 for cutting with B taper holes 312 system.

Embodiment

It is of the present utility model a kind of to may be selected to cut two kinds of different the electronic of coning angle nib of system and cut pen refering to Fig. 1~Figure 14 Machine, including turn-button 1, fixed cover 2, bipyramid hole hobboing cutter tool 3, hob head 4, electrical equipment unit 5, shell 6, wherein：Described turn-button 1 is circle The plastics matter component of cylindricality, center is referred to as button gear 11, the button tooth provided with downwardly projecting cylindrical gear below turn-button 1 The center of wheel 11 is referred to as pen port 12 provided with manhole of the penetrating turn-button about 1；

Described fixed cover 2 is to have the barrel-shaped plastics matter component of top, open underneath, cylinder above, on the inner chamber of fixed cover 2 Portion is fixed with internal gear 21, and the internal gear 21 is that inner ring is provided with teeth, the steel components of annular；The top of fixed cover 2 Center is provided with manhole and is referred to as covering mesopore 23, six is laid with the post jamb of fixed cover 2, the rectangle that long side is above-below direction Through hole is referred to as chip removal mouth 22；

Described bipyramid hole hobboing cutter tool 3 is made up of double taper hole knife rests 31 and hobboing cutter 32, and double taper hole knife rests 31 are above to have Top, under have bottom, middle part hollow out, overlook in fan-shaped, side view in [the fan cylindrical plastic texture part of shape character, double taper hole knife rests 31 Top be interval with two summits down, the conical through hole that is parallel to each other of axis be referred to as A taper holes 311 and B taper holes 312；The cone angle of the A taper holes 311 is less than the cone angle of the B taper holes 312；It is also convex at outer rim above double taper hole knife rests 31 The flange for going out to be provided with fan annular is referred to as frame curved tooth 313, and interior teeth are provided with the inner round wall of the frame curved tooth 313；The hobboing cutter 32 Cylinder angular gear, which is fixed with, for cylindrical multi-head spiral shear-steel matter milling cutter, above hobboing cutter 32 is referred to as cutter tooth wheel 321；Hobboing cutter 32 are connected between A taper holes 311 and B taper holes 312, the post jamb of hobboing cutter 32 respectively with A taper holes 311 and the inner cone hole wall of B taper holes 312 Parallel and mutually cut, hobboing cutter 32 can rotate along own axes；

Described hob head 4 be above have dome, under have round bottom, middle part in the tubular plastics matter component of half slit bamboo or chopped wood thin wall cylindrical, Center is fixed with the splined shaft 41 of protrusion below hob head 4, and the lower end of the splined shaft 41 is provided with circular blind hole and is referred to as Axle blind hole 411；Center is referred to as seat mesopore 42 provided with circular through hole above hob head 4；

Described electrical equipment unit 5 is by motor 51, decelerator 52, output wheel 521, switch 53, spring 54, contact 55, feeler lever 551st, charge port 56, rechargable battery 57 are formed, and the motor 51 is dc motor；The decelerator 52 is gear reduction unit, is subtracted The center of the output wheel 521 of fast device 52 is provided with the splined hole 522 that corresponding matching is slided with the splined shaft 41；The switch 53 is The normally opened dynamic circuit connector electric switch element of push button；The spring 54 is cylindroid helical-coil compression spring；The contact 55 is at upper edge hole The plastics matter component of circular channel-shaped provided with flange；The feeler lever 551 is the shaft-like steel components of cylinder；The charge port 56 is electricity Gas interconnecting devices；The rechargable battery 57 is that rechargeable battery；

Described shell 6 is made up of top cover 61, upper casing 62, middle shell 63 and lower casing 64, wherein, the top cover 61 is to have above Top, open underneath, the plastics matter component of thin wall cylindrical lid, center is provided with slip corresponding with the turn-button 1 above top cover 61 The manhole of cooperation is referred to as lid mesopore；The upper casing 62 is to open above, have bottom, the plastics texture of thin wall cylindrical tubbiness below Part, center is provided with the corresponding manhole through the splined shaft 41 and is referred to as upper casing mesopore below upper casing 62；The middle shell 63 To have top, open underneath, the plastics matter component of thin-walled round platform tubbiness above, it is provided with above middle shell 63 corresponding through the spline Shell mesopore during the manhole of axle 41 is referred to as；The lower casing 64 is to open above, have bottom, the plastics matter of thin-walled round platform tubbiness below Component；From top to bottom, top cover 61, upper casing 62, middle shell 63 and lower casing 64 are sequentially connected, wherein, surrounded by top cover 61 and upper casing 62 Chamber be referred to as chip storehouse 621, the chamber surrounded by middle shell 63 and lower casing 64 is referred to as electromechanical storehouse 65；

Electrical equipment unit 5 is located in electromechanical storehouse 65, and fixed cover 2, bipyramid hole hobboing cutter tool 3, hob head 4 are located at the chip storehouse 621 Interior, turn-button 1 is located at the lid mesopore of top cover 61, concordant with above top cover 61 above turn-button 1；Bipyramid hole hobboing cutter tool 3 It is fixed to be located in hob head 4, the liftable of hob head 4, rotatable in fixed cover 2, the internal gear 21 and the cutter tooth wheel 321 engagements, fixed cover 2 are fixed on the top of electrical equipment unit 5 through upper casing 62, middle shell 63, and the splined shaft 41 is passed through in the upper casing Hole, middle shell mesopore slide with the splined hole 522 of the output wheel 521 of the decelerator 52 is bonded connection, the top of the feeler lever 551 Insert splined shaft 41 axle blind hole 411 in be rotatably connected, the lower end of feeler lever 551 with contacting connection above the contact 55, Switch 53 is located at the lower section of contact 55, is supported between switch 53 and contact 55 provided with spring 54；Turn-button 1 is fixedly connected on fixed cover Above 2, the button gear 11 slides through the set mesopore 23 and engaged with the frame curved tooth 313.

Explanation：The A taper holes 311 are the cutting hole of small-angle cone-shaped pencil nib, and the B taper holes 312 are big cone angle The cutting hole of cone-shaped pencil nib；That is, the pen core length of 311 cutting forming pencil points of A taper holes is longer, the institute of B taper holes 312 The pen core length of cutting forming pencil point is shorter.

Working principle and beneficial effect

When longer pen core is cut in selection, turn-button 1 is rotated, the button gear 11 is through the frame curved tooth 313 by double taper hole knife rests 31 A taper holes 311 go to the alignment pen port 12, and pencil is inserted into pen port 12 and exerted a force downwards, by downward force Effect, double taper hole knife rests 31, hob head 4 drive the feeler lever 551, contact 55 to overcome the spring 54 through the splined shaft 41 Support is moved down, and now, because of moving down for double taper hole knife rests 31, the button gear 11 is disengaged from the frame curved tooth 313；When Below contact 55 during downward touch switch 53, switch 53 is opened, and motor 51 starts, and motor 51 is through the decelerator 52, output Wheel 521, splined hole 522, splined shaft 41 are driven hob head 4 and drive bipyramid hole hobboing cutter tool 3 to be surrounded lead centered on A taper holes 311 Pen revolution, at the same time, in the presence of internal gear 21 and cutter tooth wheel 321, hobboing cutter 32 is surrounding pencil with bipyramid hole hobboing cutter tool 3 The lower end milling of pencil is molded to the shape of A taper holes 311 while revolution and along its axis of rotation rotation, the hobboing cutter 32 of rotation, That is, the cone-shaped pencil nib of small-angle is obtained；

When shorter pen core is cut in selection, turn-button 1 is rotated, the B taper holes 312 of double taper hole knife rests 31 are gone into the alignment slotting pen Mouth 12, pencil is inserted into pen port 12 and exerted a force downwards, similarly, the lower end milling of pencil is molded to B by the hobboing cutter 32 of rotation bores The shape in hole 312, i.e. obtain the cone-shaped pencil nib of big cone angle；

Cut pen to finish, be drawn upwardly out pencil, acted on by spring 54, feeler lever 551, contact 55, double taper hole knife rests 31, hob head 4 Reset upwards, switch 53 is closed, and motor 51 stops, and button gear 11 resets to be engaged with frame curved tooth 313；The milling pencil of hobboing cutter 32 it is broken Bits are got rid of into chip storehouse 621 through the chip removal mouth 22, and chip can be outwelled by cutting the complete top cover 61 of opening of pen.

The present apparatus is realized by setting bipyramid hole hobboing cutter tool 3 and matched mechanism on an electro-motion pencil sharpener The function of two kinds of coning angle pencil points of size processed can be selected to cut, adapt to and meet art designing worker's demand.

Claims (1)

1. a kind of electro-motion pencil sharpener that may be selected to cut two kinds of different coning angle nibs of system, including turn-button (1), fixed cover (2), bipyramid Hole hobboing cutter tool (3), hob head (4), electrical equipment unit (5), shell (6), it is characterised in that：Described turn-button (1) is cylindrical modeling Expect texture part, center is referred to as button gear (11), the button gear provided with downwardly projecting cylindrical gear below turn-button (1) (11) center is referred to as pen port (12) provided with the manhole of penetrating turn-button (1) up and down；

Described fixed cover (2) is to have the barrel-shaped plastics matter component of top, open underneath, cylinder above, on the inner chamber of fixed cover (2) Portion is fixed with internal gear (21), and the internal gear (21) is that inner ring is provided with teeth, the steel components of annular；Fixed cover (2) Top center be provided with manhole and be referred to as covering mesopore (23), be laid with the post jamb of fixed cover (2) six, long side be upper and lower The rectangular through-hole in direction is referred to as chip removal mouth (22)；

Described bipyramid hole hobboing cutter tool (3) is made up of double taper hole knife rests (31) and hobboing cutter (32), and double taper hole knife rests (31) are On have top, under to have bottom, middle part hollow out, overlook in fan-shaped, side view be in [the fan cylindrical plastic texture part of shape character, double taper hole knife rests (31) top be interval with two summits down, the conical through hole that is parallel to each other of axis be referred to as A taper holes (311) and B taper holes (312)；The cone angle of the A taper holes (311) is less than the cone angle of the B taper holes (312)；Double taper hole knife rests (31) are above The flange also protruding upward for being provided with fan annular is referred to as frame curved tooth (313) at outer rim, is provided with the inner round wall of the frame curved tooth (313) Interior teeth；The hobboing cutter (32) is cylindrical multi-head spiral shear-steel matter milling cutter, and hobboing cutter is fixed with cylinder helical teeth above (32) Gear is referred to as cutter tooth wheel (321)；Hobboing cutter (32) is connected between A taper holes (311) and B taper holes (312), the post jamb point of hobboing cutter (32) Not parallel with the inner cone hole wall of A taper holes (311) and B taper holes (312) and mutually cut, hobboing cutter (32) can rotate along own axes；

Described hob head (4) be above have dome, under have round bottom, middle part in the tubular plastics matter component of half slit bamboo or chopped wood thin wall cylindrical, rolling Center is fixed with the splined shaft (41) of protrusion below tool rest (4), and the lower end of the splined shaft (41) is provided with circular blind hole Referred to as axle blind hole (411)；Center is referred to as seat mesopore (42) provided with circular through hole above hob head (4)；

Described electrical equipment unit (5) is by motor (51), decelerator (52), output wheel (521), switch (53), spring (54), contact (55), feeler lever (551), charge port (56), rechargable battery (57) are formed, and the motor (51) is dc motor；The decelerator (52) it is gear reduction unit, the center of the output wheel (521) of decelerator (52) is provided with match somebody with somebody corresponding with the splined shaft (41) slip The splined hole (522) of conjunction；The switch (53) is the normally opened dynamic circuit connector electric switch element of push button；The spring (54) is cylinder spiral shell Revolve compression spring；The contact (55) is the plastics matter component for the circular channel-shaped that flange is provided with upper edge hole；The feeler lever (551) For the shaft-like steel components of cylinder；The charge port (56) is electric insert-pull element；The rechargable battery (57) is that rechargeable battery；

Described shell (6) is made up of top cover (61), upper casing (62), middle shell (63) and lower casing (64), wherein, the top cover (61) To have top, open underneath, the plastics matter component of thin wall cylindrical lid above, center is provided with and the turn-button above top cover (61) (1) the corresponding manhole being slidably matched is referred to as lid mesopore；The upper casing (62) is to open above, have bottom, thin wall cylindrical below The plastics matter component of tubbiness, center is provided with the corresponding manhole through the splined shaft (41) and is referred to as below upper casing (62) Shell mesopore；The middle shell (63) to have top, open underneath, the plastics matter component of thin-walled round platform tubbiness above, middle shell (63) it is upper Face is provided with shell mesopore during the corresponding manhole through the splined shaft (41) is referred to as；The lower casing (64) for above it is open, under There are bottom, the plastics matter component of thin-walled round platform tubbiness in face；From top to bottom, top cover (61), upper casing (62), middle shell (63) and lower casing (64) It is sequentially connected, wherein, the chamber surrounded by top cover (61) and upper casing (62) is referred to as chip storehouse (621), by middle shell (63) and lower casing (64) chamber surrounded is referred to as electromechanical storehouse (65)；

Electrical equipment unit (5) is located in electromechanical storehouse (65), and fixed cover (2), bipyramid hole hobboing cutter tool (3), hob head (4) are located at the chip In storehouse (621), turn-button (1) is located at the lid mesopore of top cover (61), with being put down above top cover (61) above turn-button (1) Together；Bipyramid hole hobboing cutter, which has (3), to be fixed in hob head (4), and hob head (4) liftable, the rotatable fixed cover (2) that is located at are interior, The internal gear (21) is engaged with the cutter tooth wheel (321), and fixed cover (2) is fixed on electrical equipment unit through upper casing (62), middle shell (63) (5) top, output wheel of the splined shaft (41) through the upper casing mesopore, middle shell mesopore and the decelerator (52) (521) splined hole (522) slides bonding connection, the axle blind hole (411) of the top insertion splined shaft (41) of the feeler lever (551) Inside it is rotatably connected, the lower end of feeler lever (551) is located at contact (55) with contacting connection, switch (53) above the contact (55) Lower section, spring (54) support is provided between switch (53) and contact (55)；Turn-button (1) is fixedly connected on the upper of fixed cover (2) Face, the button gear (11) slide through the set mesopore (23) and engaged with the frame curved tooth (313).