CN109733099A - A kind of flat pencil sharpening device - Google Patents

A kind of flat pencil sharpening device Download PDF

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Publication number
CN109733099A
CN109733099A CN201910188404.0A CN201910188404A CN109733099A CN 109733099 A CN109733099 A CN 109733099A CN 201910188404 A CN201910188404 A CN 201910188404A CN 109733099 A CN109733099 A CN 109733099A
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China
Prior art keywords
cutting
driving wheel
cutting tooth
pencil sharpening
driving
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Application number
CN201910188404.0A
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Chinese (zh)
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CN109733099B (en
Inventor
成建群
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Suzhou Chien Shiung Institute of Technology
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Suzhou Chien Shiung Institute of Technology
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Priority to CN201910188404.0A priority Critical patent/CN109733099B/en
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Abstract

The invention discloses a kind of flat pencil sharpening device, the driving mechanism including shell, setting pre-shaping mechanism inside housings and reshaping device and driving pre-shaping mechanism and reshaping device work;The present invention significantly improves resource utilization, and preferably avoids the waste of resource.Reliable operation after pen shapes is cut, is not easily broken, once-forming rear longevity of service is high-efficient.Forming effect meets mechanics and aesthetic requirement, and the enjoyment of beauty is brought to people.In addition, it is easy to operate to cut a process, it is suitable for school-ager and uses.Cutting tooth present position is adjusted by locking device, realizes and pre-shaping mechanism and reshaping device is incorporated in a device, improve space utilization, smart structural design;Liang Ge mechanism shares a driving mechanism, has saved the production cost of device.

Description

A kind of flat pencil sharpening device
Technical field
The present invention relates to field of stationery, in particular to a kind of flat pencil sharpening device.
Background technique
The availability for cutting working portion after pen is directly related to resource utilization, improper to cut the waste that will cause resource. It should ensure that reliable operation after cutting pen forming, be not easily broken.Meanwhile it is once-forming after the working time it is longer, efficiency is higher.It is good at Shape effect will not only meet mechanical requirements, while should meet aesthetic requirement, and the enjoyment of beauty is brought to people.It is answered in addition, cutting a process It is easy to operate, it is suitable for school-ager and uses.Homalocephalus can cut pen and be widely used, such as Pencil with 2B hardness coating writing answer sheet.It is existing to cut There are various problems for pen device.
Summary of the invention
For the above defect of the existing technology, it is a primary object of the present invention to overcome the deficiencies in the prior art it Place, disclose a kind of flat pencil sharpening device, including shell, be arranged in the enclosure interior pre-shaping mechanism and reshaping device, And drive the driving mechanism of the pre-shaping mechanism and reshaping device work;
The pre-shaping mechanism includes guided rings, horizontal isolation board, cutting driving wheel, cutting tooth, locking device, elasticity The upper plate of part, the horizontal isolation board and the shell forms installing zone, and the guided rings are fixed in the installing zone, The cutting driving wheel is arranged below the guided rings, and the cutting driving wheel and the guided rings center open up and allow pen logical The through-hole for the reverse taper crossed, the cutting tooth sliding are arranged on the inner wall of the through-hole, and pass through the elastic component Upward thrust is provided for the cutting tooth;When pre-shaping mechanism work, the cutting tooth is locked in by the locking device At the cutting driving wheel, drives the cutting driving wheel to rotate using the driving mechanism, move the cutting tooth;Work as institute When stating reshaping device work, the locking device contact locking is in the cutting tooth at guided rings;
The reshaping device includes the hobboing cutter axis of symmetrically arranged hobboing cutter, support and the driving hobboing cutter rotation, utilizes institute Stating driving mechanism drives the hobboing cutter to rotate towards each other.
Further, equidistant rotational symmetry two of the cutting tooth or more.
Further, empennage is arranged in the cutting tooth, and matched guiding groove is arranged in the through-hole.
Further, the guiding groove is dovetail groove.
Further, the locking device is arranged between the guided rings and the cutting driving wheel, the locking dress It is set to cyclic structure, and setting and the matched lead-over groove of the guiding groove on the inner wall of locking device, when by the cutting When tooth is locked at the cutting driving wheel, the locking device is rotated, the lead-over groove and the guiding groove is made to misplace;Work as solution When except locking, the guiding groove is connected to the lead-over groove;When cutting driving wheel rotation, locking device and the cutting are kept Driving wheel is opposing stationary.
Further, the driving mechanism includes swinging handle, driving wheel, driven wheel, worm gear, worm screw and driving wheel, institute It states driving wheel and the driven wheel is engaged on the hobboing cutter axis, the worm gear is arranged on the hobboing cutter axis, the snail Bar is vertically arranged, and the worm gear is engaged with the worm screw, and the driving wheel is arranged on the worm screw, the transmission Wheel is engaged with the cutting driving wheel, drives the driving wheel to rotate using the swinging handle, the driven wheel is driven to rotate, The hobboing cutter is rotated towards each other, while worm gear being driven to rotate, drives the worm screw to rotate, and then make described in the transmission wheel drive Cut driving wheel rotation.
It further, further include vertical isolation board, the vertical isolation board is vertically arranged in the shell, with the water The side plate and bottom plate of flat isolation board and shell form cutting storehouse.
Further, opening is set on the bottom plate of the shell, and rotation setting is matched with the opening in opening Chip removal plate.
Further, the elastic component is spring.
It further, further include pressure ring, the pressure ring is placed on the cutting tooth upper surface, and is provided centrally with and allows The through-hole that pen passes through.
It is that the present invention obtains the utility model has the advantages that
(1) present invention significantly improves resource utilization, and preferably avoids the waste of resource.It works after cutting pen forming Reliably, it is not easily broken, once-forming rear longevity of service is high-efficient.Forming effect meets mechanics and aesthetic requirement, brings to people The enjoyment of beauty.In addition, it is easy to operate to cut a process, it is suitable for school-ager and uses.
(2) cutting tooth present position is adjusted by locking device, is realized pre-shaping mechanism and reshaping device combination In a device, space utilization, smart structural design are improved;Liang Ge mechanism shares a driving mechanism, has saved device Production cost.
Detailed description of the invention
Fig. 1 is state diagram of the pen after pre-shaping mechanism is processed;
Fig. 2 is an end-state figure;
Fig. 3 is a kind of perspective view of flat pencil sharpening device of the present invention;
Fig. 4 is schematic diagram of internal structure;
Fig. 5 is the cross-sectional view of pre-shaping mechanism;
Fig. 6 is the structural schematic diagram of reshaping device;
Fig. 7 is the structural schematic diagram of cutting tooth;
Fig. 8 is the structural scheme of mechanism of driving mechanism;
Fig. 9 is the distribution schematic diagram for cutting storehouse;
Appended drawing reference is as follows:
1, shell, 2, pre-shaping mechanism, 3, reshaping device, 4, driving mechanism, 5, vertical isolation board, 6, cutting storehouse, 7, row Consider plate, 8, pressure ring, 21, guided rings, 22, horizontal isolation board, 23, cutting driving wheel, 24, cutting tooth, 25, locking device, 26, bullet to be worth doing Property part, 31, hobboing cutter, 32, hobboing cutter axis, 41, swinging handle, 42, driving wheel, 43, driven wheel, 44, worm gear, 45, worm screw, 46, pass Driving wheel, 241, empennage, 242, guiding groove, 251, lead-over groove.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, right with reference to the accompanying drawings and embodiments The present invention is described in further detail.It should be appreciated that described herein, specific examples are only used to explain the present invention, and does not have to It is of the invention in limiting.
A kind of flat pencil sharpening device of the invention, including shell 1, the pre-shaping mechanism being arranged in inside shell 12 and shaping The driving mechanism 4 that mechanism 3 and driving pre-shaping mechanism 2 and reshaping device 3 work;Preforming machine is driven by driving mechanism 4 Structure 2 works, and the pen core of pen is exposed, and is in arc-shaped by the cutting of the end of wood, as shown in Figure 1.Then by whole The pen processed by pre-shaping mechanism 2 is carried out flat cutting by shape mechanism 3, and cutting is in state as described in Figure 2.
As in Figure 3-5, pre-shaping mechanism 2 includes guided rings 21, horizontal isolation board 22, cutting driving wheel 23, cutting tooth 24, the upper plate 11 of locking device 25, elastic component 26, horizontal isolation board 22 and shell 1 forms installing zone, and guided rings 21 are fixedly installed In installing zone, it is fixedly connected with upper plate 11;It cuts driving wheel 23 to be arranged below guided rings 21, cuts driving wheel 23 and guidance 21 center of ring opens up the through-hole for the reverse taper for allowing pen to pass through, and the setting that cutting tooth 24 is slided is on the inner walls of the via;It can Understand, the heart in through-holes is arranged in pen, is cooperated by the through-hole of reverse taper and the cutting tooth 24 of sliding setting, is cut by adjusting The present position in through-holes of tooth 24 is cut, and then adjusts cutting tooth 24 at a distance from pen;I.e. when cutting tooth 24 is in the upper end of through-hole When, it is farthest apart from pen, and when the lower end in through-hole, it is nearest apart from pen.Preferably, cutting tooth 24 is at least arranged two, and And at equal intervals symmetrically.When in use, when driving cutting tooth 24 to rotate by cutting driving wheel 23, it can guarantee each cutting Tooth 24 is cancelled out each other to the thrust that pen applies, and is maintained at pen at the center location of through-hole.And cutting tooth 24 passes through elastic component 26 connect with horizontal isolation board 22, provide upward thrust by 26 cutting tooths 24 of elastic component.When cutting pen, make to cut Tooth 24 is close to locking device 25 always, and then guarantees the stability in use of cutting tooth 24.Wherein, elastic component 26 can be bullet Spring.
When pre-shaping mechanism 2 works, cutting tooth 24 is locked at cutting driving wheel 23 by locking device 25, passes through driving The driving cutting driving wheel 23 of mechanism 4 rotates, and drives cutting tooth 24 to rotate, and then realize the preforming cutting to pen.When preforming After processing is completed, it needs to process pen in reshaping device 3, therefore, it is necessary to increase the distance between cutting tooth 24, makes pen It can be by entering reshaping device 3.Locking device 25 contacts locking to cutting tooth 24, by the upwards thrust of elastic component 26, It is moved to cutting tooth 24 at guided rings 21.
As shown in fig. 6, reshaping device 3 includes the hobboing cutter axis that symmetrically arranged hobboing cutter 31, support and driving hobboing cutter 31 rotate 32, it drives hobboing cutter axis 32 to rotate by driving mechanism 4, and then hobboing cutter 31 is driven to rotate towards each other, secondary cutting is carried out to pen, in flat It is flat-shaped.
In one embodiment, as shown in fig. 7, empennage 241 is arranged in the tail end of cutting tooth 24, and setting and tail in through-hole The matched guiding groove 242 of the wing 241, empennage 241 are arranged in guiding groove 242, so that cutting tooth 24 is guided along guiding groove 242 Direction is mobile.Preferably, guiding groove 242 is dovetail groove-like structure.
In the above-described embodiments, as shown in figure 5, the setting of locking device 25 is between guided rings 21 and cutting driving wheel 23, And the structure annular in shape of locking device 25, setting and the matched lead-over groove 251 of guiding groove 242 on the inner wall of locking device 25, When adjusting change 24 present position of cutting tooth, need by the connection corresponding with guiding groove 242 of lead-over groove 251, so that cutting tooth It can switch between guided rings 21 and cutting driving wheel 23.When needing pre-shaping mechanism 2 to work, rotation lock device 25 makes Lead-over groove 251 is corresponding with guiding groove 242, pushing cutting tooth 24 overcomes the elastic force of elastic component 26, and cutting tooth is made to be moved to cutting At driving wheel 23, then lead-over groove 251 and guiding groove 242 are misplaced by rotation lock device 25, cutting tooth 24 is locked in It cuts at driving wheel 23.When unlocking, 251 connection of guiding groove 242 and lead-over groove that rotation lock device 25 makes, cutting tooth 24 are pushed at guided rings 21 by the elastic force of elastic component 26.In addition, since through-hole is inversed taper platform shape structure, in cutting tooth 24 when moving up, and the distance between cutting tooth 24 increases, and pen is passed through and enters reshaping device 3.Meanwhile when cutting passes When driving wheel 23 rotates, keep locking device 25 and cutting driving wheel 23 opposing stationary.Specifically, locking device 25 and cutting are driven 23 rotation connection of wheel, and there is certain frictional force between the two.In rotation lock device 25, need to overcome both it Between frictional force, and then guarantee locking device 25 under the influence of not by external force can and then cutting driving wheel 23 rotate.
In one embodiment, as shown in figure 8, driving mechanism 4 includes swinging handle 41, driving wheel 42, driven wheel 43, worm gear 44, worm screw 45 and driving wheel 46, driving wheel 42 and driven wheel 43 are engaged on hobboing cutter axis 32, and worm gear 44 is arranged in hobboing cutter axis On 32, worm screw 45 is vertically arranged, and worm gear 44 is engaged with worm screw 45, and driving wheel is arranged on worm screw 45, driving wheel 46 It is engaged with cutting driving wheel 23, drives driving wheel 42 to rotate using swinging handle 41, driving driven wheel 43 rotates, and makes 31 phase of hobboing cutter To rotation, while worm gear 44 being driven to rotate, worm screw 45 is driven to rotate, and then rotates the driving cutting driving wheel 23 of driving wheel 46. It realizes and the power of pre-shaping mechanism 2 and reshaping device 3 is provided.
In one embodiment, as shown in figure 9, further including vertical isolation board 5, vertical to be isolated, 5 are vertically arranged in shell, Cutting storehouse 6 is formed with the side plate and bottom plate of horizontal isolation board 22 and shell 1.It is independently arranged for the sawdust after storage pen cutting Equal wastes, prevent waste from falling into driving mechanism 4 and other transmission mechanisms and cause unnecessary damage, influence device use Service life.
In the above-described embodiments, it is arranged on the bottom plate of shell 1 and is open, and rotation setting and opening is matched in opening Chip removal plate 7 opens rotation chip removal plate 7, waste is discharged from opening when needing to pour out in the waste cut in storehouse.
It in one embodiment, further include pressure ring 8, pressure ring 8 is placed on the upper surface of cutting tooth 24, and is arranged at center and holds Perhaps the through-hole that pen passes through.By the way that pressure ring 8 is arranged, it is only necessary to pass through the synchronous pressing cutting tooth 24 of press pressure ring 8.
In the use of the present invention, as shown in figs 1-9, by press pressure ring 8, and then overcoming the elastic force of elastic component 26, making Cutting tooth 24 is moved at cutting driving wheel 23, stirs lead-over groove 251 and the dislocation of guiding groove 242 that locking device 25 makes, so that Cutting tooth 24 is at cutting driving wheel 23.It drives cutting driving wheel 23 to rotate by driving mechanism 4, and then drives cutting tooth 24 Pen is cut.After the completion, stir locking device 25 so that lead-over groove 251 is connected to guiding groove 242, cutting tooth 24 by The elastic force of elastic component 26 is moved at guided rings 21.At this point, pen can pass through between cutting tooth 24, at reshaping device 3. It drives hobboing cutter 32 to rotate towards each other by driving mechanism 4, pen is cut into flat.
The foregoing is merely a prefered embodiment of the invention, practical range not for the purpose of limiting the invention;If not departing from this The spirit and scope of invention, modify or equivalently replace the present invention, and should all cover the protection in the claims in the present invention In range.

Claims (10)

1. a kind of flat pencil sharpening device, which is characterized in that including shell, the pre-shaping mechanism of the enclosure interior and whole is arranged in Shape mechanism and the driving mechanism for driving the pre-shaping mechanism and reshaping device work;
The pre-shaping mechanism includes guided rings, horizontal isolation board, cutting driving wheel, cutting tooth, locking device, elastic component, institute The upper plate for stating horizontal isolation board and the shell forms installing zone, and the guided rings are fixed in the installing zone, described It cuts driving wheel to be arranged below the guided rings, the cutting driving wheel and the guided rings center open up and pen allowed to pass through The through-hole of reverse taper, the cutting tooth sliding are arranged on the inner wall of the through-hole, and are institute by the elastic component It states cutting tooth and upward thrust is provided;When pre-shaping mechanism work, the cutting tooth is locked in described by the locking device It cuts at driving wheel, drives the cutting driving wheel to rotate using the driving mechanism, move the cutting tooth;When described whole When shape mechanism works, the locking device contact locking is in the cutting tooth at guided rings;
The reshaping device includes the hobboing cutter axis of symmetrically arranged hobboing cutter, support and the driving hobboing cutter rotation, utilizes the drive Motivation structure drives the hobboing cutter to rotate towards each other.
2. a kind of flat pencil sharpening device according to claim 1, which is characterized in that the equidistant rotational symmetry of cutting tooth Two or more.
3. a kind of flat pencil sharpening device according to claim 1, which is characterized in that empennage is arranged in the cutting tooth, and Matched guiding groove is set in the through-hole.
4. a kind of flat pencil sharpening device according to claim 3, which is characterized in that the guiding groove is dovetail groove.
5. a kind of flat pencil sharpening device according to claim 3, which is characterized in that the locking device setting is drawn described Between lead ring and the cutting driving wheel, the locking device be cyclic structure, and on the inner wall of locking device setting with The matched lead-over groove of guiding groove rotates the locking dress when being locked in the cutting tooth at the cutting driving wheel It sets, the lead-over groove and the guiding groove is made to misplace;When unlocking, the guiding groove is connected to the lead-over groove;When cutting When cutting driving wheel rotation, keep locking device and the cutting driving wheel opposing stationary.
6. a kind of flat pencil sharpening device according to claim 1, which is characterized in that the driving mechanism includes shaking hand Handle, driving wheel, driven wheel, worm gear, worm screw and driving wheel, the driving wheel and the driven wheel are engaged in the hobboing cutter axis On, the worm gear is arranged on the hobboing cutter axis, and the worm screw is vertically arranged, and the worm gear is engaged with the worm screw, and And the driving wheel is arranged on the worm screw, the driving wheel is engaged with the cutting driving wheel, utilizes the swinging handle It drives the driving wheel to rotate, drives the driven wheel to rotate, rotate towards each other the hobboing cutter, while worm gear being driven to rotate, band The worm screw rotation is moved, and then makes cutting driving wheel rotation described in the transmission wheel drive.
7. a kind of flat pencil sharpening device according to claim 1, which is characterized in that it further include vertical isolation board, it is described perpendicular Straight isolation board is vertically arranged in the shell, forms cutting storehouse with the side plate and bottom plate of the horizontal isolation board and shell.
8. a kind of flat pencil sharpening device according to claim 1, which is characterized in that setting is opened on the bottom plate of the shell Mouthful, and rotation setting and the matched chip removal plate of opening in opening.
9. a kind of flat pencil sharpening device according to claim 1, which is characterized in that the elastic component is spring.
10. a kind of flat pencil sharpening device according to claim 1, which is characterized in that further include pressure ring, the pressure ring is placed In the cutting tooth upper surface, and it is provided centrally with the through-hole for allowing pen to pass through.
CN201910188404.0A 2019-03-13 2019-03-13 Flat pencil sharpening device Active CN109733099B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910188404.0A CN109733099B (en) 2019-03-13 2019-03-13 Flat pencil sharpening device

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Application Number Priority Date Filing Date Title
CN201910188404.0A CN109733099B (en) 2019-03-13 2019-03-13 Flat pencil sharpening device

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CN109733099A true CN109733099A (en) 2019-05-10
CN109733099B CN109733099B (en) 2020-11-27

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003154791A (en) * 2001-11-22 2003-05-27 Ktf:Kk Manual pencil sharpener
CN201736687U (en) * 2010-03-30 2011-02-09 山东理工大学 Pencil sharpener for sharpening pencil into flat head in longitudinal feeding and grinding manner
CN103935166A (en) * 2014-04-30 2014-07-23 成都理工大学 Pencil sharpener capable of sharpening pencil tip to be flat
CN204488336U (en) * 2015-03-17 2015-07-22 周千寓 A kind of topping machanism of wedge shape tip of a pencil
CN204526566U (en) * 2015-02-16 2015-08-05 上海工程技术大学 A kind of hand-rail type flat tip pencil sharpener
CN205395568U (en) * 2016-02-06 2016-07-27 徐冉 Refill becomes rectangular pencil sharpener
CN106808869A (en) * 2017-03-27 2017-06-09 浙江工贸职业技术学院 A kind of singlehanded pencil sharpener
CN108382107A (en) * 2018-03-26 2018-08-10 王星凯 Anti-rotation effort-saving automatic pencil knife

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003154791A (en) * 2001-11-22 2003-05-27 Ktf:Kk Manual pencil sharpener
CN201736687U (en) * 2010-03-30 2011-02-09 山东理工大学 Pencil sharpener for sharpening pencil into flat head in longitudinal feeding and grinding manner
CN103935166A (en) * 2014-04-30 2014-07-23 成都理工大学 Pencil sharpener capable of sharpening pencil tip to be flat
CN204526566U (en) * 2015-02-16 2015-08-05 上海工程技术大学 A kind of hand-rail type flat tip pencil sharpener
CN204488336U (en) * 2015-03-17 2015-07-22 周千寓 A kind of topping machanism of wedge shape tip of a pencil
CN205395568U (en) * 2016-02-06 2016-07-27 徐冉 Refill becomes rectangular pencil sharpener
CN106808869A (en) * 2017-03-27 2017-06-09 浙江工贸职业技术学院 A kind of singlehanded pencil sharpener
CN108382107A (en) * 2018-03-26 2018-08-10 王星凯 Anti-rotation effort-saving automatic pencil knife

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