CN108481965A

CN108481965A - Feed device and pencil sharpener

Info

Publication number: CN108481965A
Application number: CN201810355975.4A
Authority: CN
Inventors: 马金明
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-04-19
Filing date: 2018-04-19
Publication date: 2018-09-04
Anticipated expiration: 2038-04-19
Also published as: CN108481965B

Abstract

The present invention provides a kind of feed device and pencil sharpeners.The device includes：Clamp assembly, conveying assembly and driving mechanism for clamping part to be conveyed；Wherein, clamp assembly is provided with claw, for gradually clamping part to be conveyed；Driving mechanism is connected with clamp assembly, and for driving clamp assembly rotation gradually to clamp part to be conveyed by claw, and to drive conveying assembly, helically formula is fed the rotation of driving clamp assembly after claw clamps part to be conveyed；Conveying assembly is sheathed on outside clamp assembly, and is rotationally connected with clamp assembly, clamp assembly be used to after clamp assembly clamps part to be conveyed drive conveying assembly helically formula into giving that part to be conveyed is driven to move.The present invention drives clamp assembly rotation by driving mechanism, after clamping part to be conveyed by claw, drives conveying assembly rotation by clamp assembly, and then realize the spiral feeding of conveying assembly.

Description

Feed device and pencil sharpener

Technical field

The present invention relates to materials-handling technology fields, in particular to a kind of feed device and pencil sharpener.

Background technology

Pencil is the tool for the purposes such as writing, keeping record, and society is accompanied to pass by many ages.Along with pencil It is widely used, pencil sharpener common a kind of tool to sharpen a pencil in making for people's lives, with the development of society, people are not only Need to use more pencils, and time to the cost that sharpens a pencil and cutting out on the aesthetic measure and durability of pencil also has Higher requirement.

The current pencil sharpener to sharpen a pencil is divided into hand-rail type and electrodynamic type, and hand-cranked pencil sharpener shakes generally by manipulator Grip strip is moved cutting mechanism and is rotated around pencil, the cutwork of pencil is finally completed, in the whole process, although can artificially control Cutting dynamics processed completes the cutting of different pencils, but user must continuous rotation rocking handle, once stopping, cutting mechanism can also stop Only cutwork, it is time-consuming and laborious；Electrodynamic type pencil sharpener needs motor to drive Tool in Cutting, can under the drive of the energy such as battery Lasting cutting, it is laborsaving, however existing electromotive force pencil sharpener generally requires to lean on when the lip pencil object to pencil etc is fined away User's is constantly sent into pencil while pinching pencil to the position of cutter assembly, so that pencil is persistently cut to anticipation effect Fruit, still, first：Big human hand perspiration or not big enough for child's strength of age smaller child such as kindergarten, can not pinch Tight pencil keeps it non-slip in tipping process, then pencil skidding will be caused to cause pencil that can not cut；Second：Cutting process In, the case where needing to be cut according to enclosure interior, is constantly fed, so that the position to be cut of pencil continues to set in milling cutter tooth position, To realize the lasting cutting to pencil, still, cutter assembly is set in shell, and operating personnel can only be according to subjective judgement reality The movement of existing pencil easily causes the pencil-lead of the end of pencil is disconnected to fall in knife rest and blocked by blade, it is difficult to will break Core takes out, only by firmly tapping pencil sharpener, but pencil sharpener fragile in this way；Third：Pencil in use, can be got over Cut it is shorter, when use cuts it to certain length, operating personnel it is hand-held be affectedly bashful it is very inconvenient.

Chinese Publication No.：107650561 A of CN disclose a kind of automatic pencil sharpener device based on infrared induction, packet Shell is included, power module, pencil sharpener module, infrared remote receiver in shell, micro machine, chip dust box, are sent infrared transmitter Pen device and hole are located at the switch of hull outside；Switch control electric power source pair of module infrared remote receiver, infrared transmitter, Micro machine is powered, and micro machine, which rotates forward, drives pen conveying device rotation, and pen conveying device rotation, which drives, is inserted by hole in pen conveying device Pen rotation, the pen rotated in pen conveying device carries out cutting pen action, infrared remote receiver and infrared transmitter by pencil sharpener module The infrared inductor of composition detects that pen tip signal inverts to control micro electric machine, and micro machine reversion drives pen conveying device that will cut Good pen pop-up.

The automatic pencil sharpener device based on infrared induction that above-mentioned technical proposal provides realizes pencil by pen conveying device Feeding, however the clamping and release of manually implemented pencil are needed before and after pencil cutting, cumbersome efficiency is low, simultaneously for the age The child of smaller child such as kindergarten may be inadequate to the clamping degree of pencil manually, causes the lost motion of pen conveying device i.e. Only realize pen conveying device movement and pencil without movement.

Invention content

In consideration of it, the present invention proposes a kind of feed device and pencil sharpener, it is intended to solve existing pencil sharpener and need folder manually Tight pencil when causing hand-operated clamping degree deficiency caused pencil without mobile problem.

On the one hand, the present invention proposes a kind of feed device, which includes：Clamping group for clamping part to be conveyed Part, conveying assembly and driving mechanism；Wherein, the clamp assembly is provided with claw, for gradually clamping the part to be conveyed；Institute It states conveying assembly to be sheathed on outside the clamp assembly, and is rotationally connected with the clamp assembly；The driving mechanism with The clamp assembly is connected, for driving the clamp assembly rotation described to be conveyed to drive the claw gradually to clamp Part, and drive the clamp assembly rotation to drive the conveying assembly helically after the claw clamps the part to be conveyed Formula is fed.

Further, above-mentioned feed device, the clamp assembly further include：The rotation being connected with the driving mechanism Disk；Wherein, it is offered on the rotating disc and inserts material hole, for plugging the part to be conveyed；Each claw is rotatably coupled In on the rotating disc, and the rotary shaft of each claw is identical as the distance between the axis in the slotting material hole, for institute When stating axis rotation of the rotating disc around the slotting material hole, the claw rotation is gradually to clamp the part to be conveyed；Each card Pawl is rotationally connected with the conveying assembly, for after the claw clamps the part to be conveyed, the claw to be with institute State rotating disc around the rotation of the slotting material axially bored line to drive the conveying assembly to be rotated around the slotting material axially bored line while edge The axis in the slotting material hole is fed.

Further, above-mentioned feed device, the first side of the claw are provided with the eccentric face towards the slotting material hole, For gradually clamping the part to be conveyed；The distance between the bias face and the rotary shaft of the claw are from one end to the other end It incrementally increases；The second side of the claw is provided with the gear segment being meshed with the conveying assembly, in the bias While driving the conveying assembly to be rotated around the slotting material axially bored line by the gear segment after the face clamping part to be conveyed Axis along the slotting material hole is fed.

Further, above-mentioned feed device is provided with the claw being arranged in a one-to-one correspondence with the claw on the rotating disc Axis is provided with connecting hole on each claw, and each claw is sheathed on its corresponding claw axis by the connecting hole On；Or, being provided with the claw hole being arranged in a one-to-one correspondence with the claw on the rotating disc, card is both provided on each claw Pawl axis is sheathed in corresponding claw hole.

Further, above-mentioned feed device, the conveying assembly include：Feed cylinder and guide cylinder；Wherein, the guide cylinder It is sheathed on outside the feed cylinder, the inner wall of the guide cylinder is provided at least one thread groove, the outer wall setting of the feed cylinder There is the slide protrusion being arranged in a one-to-one correspondence with the thread groove, be slideably arranged in corresponding thread groove, in the cunning Dynamic protrusion is under the matched guiding role of the thread groove, and helically formula is fed the feed cylinder；Or, the guide cylinder is arranged In outside the feed cylinder, the inner wall of the guide cylinder is provided at least one slide protrusion, and the outer wall of the feed cylinder is provided with The thread groove being arranged in a one-to-one correspondence with the slide protrusion, the slide protrusion are slideably arranged in corresponding thread groove, Under the slide protrusion and the matched guiding role of the thread groove, helically formula is fed the feed cylinder.

Further, above-mentioned feed device, the inner wall top of the feed cylinder is equipped with to be sent correspondingly with the claw Expect tooth section, is meshed with the gear segment of the claw.

Further, above-mentioned feed device is provided with retainer on the conveying assembly, for being pressed from both sides in the clamp assembly The feeding of the conveying assembly is prevented before the tight part to be conveyed；Or, being provided with chocking construction on the conveying assembly, it is used for The clamp assembly clamps the feeding that the conveying assembly is prevented before the part to be conveyed.

Further, above-mentioned feed device, the driving mechanism include：Motor and driving member；Wherein, the motor The clamp assembly rotation is driven by the driving member；The driving member be Multi-stage transmission gear, output gear with it is described Clamp assembly is connected, for driving the clamp assembly to rotate clamp assembly；It is provided in the Multi-stage transmission gear coaxial The interval driving wheel and interval follower of setting, are rotationally connected between the two；The interval follower is sheathed on described It rotates with the interval driving wheel on the gear shaft of interval driving wheel, and is equipped between the interval follower and the gear shaft Resistance piece, for the part to be conveyed feeding in place when the interval follower made its skidding by resistance.

Further, above-mentioned feed device further includes：Installation detector is transported to bit detector and control panel；Wherein, The installation detector is set in the conveying assembly, for detecting whether the part to be conveyed is plugged in the clamp assembly It is interior；The bit detector that is transported to is set on the conveying assembly, for detecting whether the conveying assembly reaches its movement Two end positions of stroke, and location status is sent to the control panel；The control panel and the installation detector and Described to be transported to bit detector electrical connection, testing result and the conveying for receiving the installation detector detection are examined in place The location status of device transmitting is surveyed, and controls the driving mechanism with position signal to control the clamp assembly according to testing result Rotation.

Feed device provided by the invention, by clamp assembly rotation so that clamp assembly on claw gradually clamp or Unclamp part to be conveyed；Clamp assembly rotation is driven by driving mechanism, and then clamps part to be conveyed, and is to be conveyed in claw clamping After part, conveying assembly rotation is driven by clamp assembly, and then realize the spiral feeding of conveying assembly, to realize conveying group The movement of clamp assembly and part to be conveyed in part realizes the self-feeding and backhaul of part to be conveyed, that is, realizes the automatic of pencil Feeding and cutting after backhaul, it is simple to operate, compared with the prior art in pencil sharpener, pencil is realized by clamp assembly Automatic-clamping, be not necessarily to operating personnel operation, while can avoid the age smaller child such as kindergarten child it is right manually The clamping of pencil is insufficient to cause pencil without mobile phenomenon, substantially increases the transfer efficiency of feed device.

Especially, feed device provided in this embodiment realizes the peace of part to be conveyed by installing detector and control panel The detection of dress state, to save the judgement of operating personnel, simultaneously because clamp assembly is set to inside conveying assembly and waits for defeated Part is sent to be inserted in clamp assembly, the installation condition of part to be conveyed is not easy to judge, therefore can precisely judge to wait for by installing detector The installation condition of conveying member, the lost motion of conveying assembly when operating personnel being avoided to judge to be not allowed to cause not clamping part to be conveyed； In addition, the detection of conveying assembly shift position is realized by being transported to bit detector and control panel, to realize conveying assembly Automatic reciprocating movement, and then realize the automatic reciprocating movement of part to be conveyed, and then improve the efficiency of the feed device.

On the other hand, the invention also provides a kind of pencil sharpener, which includes：Cutter assembly and above-mentioned feeding dress It sets；Wherein, the feed device is set to the side of the cutter assembly, for by pencil be delivered in the cutter assembly with The end of the pencil is cut by the cutter assembly.

Since feed device has said effect, so the pencil sharpener with the feed device is also imitated with corresponding technology Fruit.

Description of the drawings

By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit are common for this field Technical staff will become clear.Attached drawing only for the purpose of illustrating preferred embodiments, and is not considered as to the present invention Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：

Fig. 1 is the structural schematic diagram of feed device provided in an embodiment of the present invention；

Fig. 2 is the partial exploded view of feed device provided in an embodiment of the present invention；

Fig. 3 is the structural schematic diagram of clamp assembly provided in an embodiment of the present invention；

Fig. 4 is the explosive view of clamp assembly provided in an embodiment of the present invention；

Fig. 5 is the structural schematic diagram of claw provided in an embodiment of the present invention；

Fig. 6 is the structural schematic diagram of conveying assembly provided in an embodiment of the present invention；

Fig. 7 is the explosive view of conveying assembly provided in an embodiment of the present invention；

Fig. 8 is the structural schematic diagram of feed cylinder provided in an embodiment of the present invention；

Fig. 9 is the structural schematic diagram of guide cylinder provided in an embodiment of the present invention；

Figure 10 is the vertical view of guide cylinder provided in an embodiment of the present invention；

Figure 11 is the structural schematic diagram of feeding lid provided in an embodiment of the present invention；

Figure 12 is the first structure schematic diagram of driving mechanism provided in an embodiment of the present invention；

Figure 13 is the second structural schematic diagram of driving mechanism provided in an embodiment of the present invention；

Figure 14 is the structural schematic diagram of driving member provided in an embodiment of the present invention；

Figure 15 is the structural schematic diagram of interval driving wheel and interval follower provided in an embodiment of the present invention；

Figure 16 is the structural schematic diagram of pencil sharpener provided in an embodiment of the present invention；

Figure 17 is the structural schematic diagram of detection piece provided in an embodiment of the present invention；

Figure 18 is the structural schematic diagram of detection piece provided in an embodiment of the present invention.

Specific implementation mode

The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in attached drawing Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure Completely it is communicated to those skilled in the art.It should be noted that in the absence of conflict, embodiment in the present invention and Feature in embodiment can be combined with each other.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

Feed device embodiment：

Referring to Fig. 1 and Fig. 2, it illustrates the preferred structure of feed device provided in an embodiment of the present invention, the feed device 100 packets It includes：Clamp assembly 1, conveying assembly 2, driving mechanism 3, retainer for clamping part 4 to be conveyed（It is not shown in figure）, installation inspection It surveys device 5, be transported to bit detector 6 and control panel 7；Wherein, be provided with claw 12 on clamp assembly 1, for gradually clamp wait for it is defeated Send part 4.Conveying assembly 2 is sheathed on outside clamp assembly 1, and is rotationally connected with clamp assembly 1.Retainer is set to conveying On component 2, for resistance to be applied to conveying assembly 2 with before preventing clamp assembly 1 from clamping part 4 to be conveyed conveying assembly 2 into It gives, and then further avoids invalid movement of the conveying assembly 2 before part 4 to be conveyed clamping, improve the work of the feed device 100 Make efficiency.Driving mechanism 3 is connected with clamp assembly 1, for driving the rotation of clamp assembly 1 to be waited for drive claw 12 gradually to clamp Conveying member 4, and drive after clamp assembly 1 clamps part 4 to be conveyed conveying assembly 2 helically formula into giving to drive part 4 to be conveyed It is mobile, and if when part 4 to be conveyed is not placed in clamp assembly 1, driving mechanism 3 drives clamp assembly 1 to rotate, and clamp assembly 1 It is interior without part 4 to be conveyed so that the phenomenon that had skidded between clamp assembly 1 and conveying assembly 2 so that clamp assembly 1 not Conveying assembly 2 can not rotate when clamping part 4 to be conveyed, i.e., clamp assembly 1 rotates in vain, to avoid the invalid of conveying assembly 2 Rotation and feeding.Preferably, driving mechanism 3 intermittently drives clamp assembly 1 to rotate so that conveying assembly 2 is in intermittently Spiral feeding is 4 intermittent movement of part to be conveyed, so convenient for treated when part 4 to be conveyed stops mobile conveying member 4 into For example i.e. after pencil is moved a certain distance to cutting cutter position, it is straight that bite carries out machining to the end of pencil for row processing To certain conicity, helically formula is fed so that pencil is moved a certain distance to cutting cutter position, so conveying assembly 2 again Cycle is until cutting is completed or until conveying assembly 2 is moved at the top of bite.Installation detector 5 is set to conveying assembly In 2, detect whether part 4 to be conveyed is plugged in clamping group valence 1 by light.It is transported to bit detector 6 and is set to conveying assembly 2 On, whether reach two end positions of its movement travel for detecting conveying assembly 2, and by the location status of conveying assembly 2 It is sent to control panel 7.It control panel 7 and installation detector 5 and is transported to bit detector 6 and be electrically connected, detector 5 is installed for reception The installation condition of detection and the position signal for being transported to the transmitting of bit detector 6, and driven according to installation condition and position signal control Motivation structure 3 is with dynamic advance, backhaul and the stopping for controlling conveying assembly 2 in turn of the forward, reverse or stop rotation stop for controlling clamp assembly 1 It is mobile.Part to be conveyed 4 in the present embodiment can be not only the rod-like structures such as pencil, naturally it is also possible to for example round for platy structure Dish structure.

With continued reference to Fig. 2, installation detector 5 includes being respectively arranged at the infrared transmitter 51 of 4 both sides of part to be conveyed and red Outer receiver 52, infrared transmitter 51 are used to receive the transmitting of infrared transmitter 51 for emitting infrared ray, infrared remote receiver 52 Infrared ray, and it is sent to control panel 7 by the testing result that conveying member 4 detects is treated；Part 4 to be conveyed is rod-like structure and passes through folder Tight component 1 clamps, and infrared transmitter 51 emits infrared ray, if part to be conveyed 4, which is installed in place, is inserted in infrared transmitter 51 Between infrared remote receiver 52, cause infrared remote receiver 52 that can not receive infrared ray the transmission for obstructing infrared ray, it is infrared to connect Part 4 to be conveyed is then plugged signal in place and is sent to control panel 7 by receipts device 52；Conversely, part 4 i.e. to be conveyed is not inserted in infrared emission When between device 51 and infrared remote receiver 52, the infrared ray that infrared transmitter 51 emits transmits under the barrier of no part 4 to be conveyed To infrared remote receiver 52, infrared remote receiver 52, which receives, then not to be plugged signal in place by part 4 to be conveyed after infrared ray and is sent to control Making sheet 7.

Referring to Fig. 3 and Fig. 4, it illustrates the preferred structures of clamp assembly.Clamp assembly 1 includes：Rotating disc 11 and claw 12；Wherein, rotating disc 11 is rotationally connected with driving mechanism 3, and is offered on rotating disc 11 and insert material hole 111, for inserting If part 4 to be conveyed.Interference when to avoid each claw 12 from moving synchronously, each claw 12 be rotatably connected on rotating disc 11 and The rotary shaft of each claw 12 is identical as the distance between the axis for inserting material hole 111, so as to ensure each claw 12 with rotating disc 11 around 12 rotation of claw is gradually to clamp part 4 to be conveyed when inserting the axis rotation in material hole 111；Preferably, each claw 12 is evenly distributed on To insert the axis in material hole 111 as on the same circumference in the center of circle；Part 4 to be conveyed is clamped for cost-effective and guarantee, claw 12 is Three, in 120 ° of settings between three 113 any twos of claw axis.Each claw 12 is rotationally connected with conveying assembly 2, uses After clamping part 4 to be conveyed in claw 12, claw 12 with rotating disc 11 around slotting 111 axis of material hole rotation to drive conveying assembly 2 feed along the axis in slotting material hole 111 while rotated around slotting 111 axis of material hole.

With continued reference to Fig. 4, rotating disc 11 is collar plate shape structure；Preferably, the center that material hole 111 is set to rotating disc 11 is inserted Position, so that part to be conveyed 4 is coaxially disposed with rotating disc 11, so that claw 12 can be along the circumferential equal of part 4 to be conveyed Even setting, to equably clamp part 4 to be conveyed；For the linkage for realizing between each claw 12, it is preferable that set on rotating disc 11 It is equipped with the claw axis 113 being arranged in a one-to-one correspondence with each claw 12, each claw 12 is sheathed on its corresponding claw axis 113, so as to Make the rotation of each claw axis 113 on rotating disc 11 that each claw 12 be driven to rotate synchronously, so that each claw 12 coordinates Realize the clamping of part 4 to be conveyed；Each claw axis 113 is distributed in using the axis for inserting material hole 111 as on the same circumference in the center of circle；More Preferably, each claw axis 113 is evenly distributed on using the axis for inserting material hole 111 as on the same circumference in the center of circle, such as three The setting of a claw 12, in 120 ° of settings between three 113 any twos of claw axis；It is of course also possible to pass through, in rotating disc 11 On be provided with the claw hole being arranged in a one-to-one correspondence with claw 12, be both provided with claw axis on each claw, be sheathed on corresponding card In pawl hole, to realize transmission between the two.On rotating disc 11 with the upper surface of 113 homonymy of claw axis（Relative to Fig. 4 Position for）It is provided with positioning protrusion 114, conveying assembly 2 is set for card, to be positioned to conveying assembly 2, is led to simultaneously The spiral feeding for crossing conveying assembly 2 drives the feeding for being set to rotating disc 11, so drive be set to it is each on rotating disc 11 The part to be conveyed 4 that a claw 12 and each claw 12 clamp is fed, to realize moving up and down for part 4 to be conveyed.To ensure to drive Motivation structure 3 drives the rotation of rotating disc 11, the outer wall of rotating disc 11 to be provided with turning gear section 112, and turning gear section 112 is at least one A tooth to be meshed with the output gear 322 being set on main shaft 323 in driving mechanism 3, and then passes through output gear 322 Rotating disc 11 is driven to rotate.

Referring to Fig. 4 and Fig. 5, the first side of claw 12（Right side as shown in Figure 5）It is provided with towards slotting material hole 111 Eccentric face 121, second side（Left side as shown in Figure 5）It is provided with the gear segment 122 being meshed with conveying assembly 2, is used for Along the axis in slotting material hole 111 while driving conveying assembly 2 to be rotated around slotting 111 axis of material hole after claw 12 clamps part 4 to be conveyed Line is fed；To avoid interference of 12 rotation of claw in the process between part 4 to be conveyed, it is preferable that eccentric face 121 and gear segment Involute section 123 is provided between 122；The axial location of the rotary shaft of claw 12, that is, claw axis 113 is provided with connecting hole 124, For being sheathed on claw axis 113；Claw 12 is additionally provided with fabrication hole 125, is convenient for the positioning of claw 12 in process.

Specifically, eccentric face 121 is arc surface, the center of circle in eccentric face 121 and the rotary shaft of claw 12, that is, claw axis 113 Axis i.e. connecting hole 124 axis it is different, the eccentric face 121 in eccentric face 121 and rotary shaft, that is, connecting hole of claw 12 The distance between 124 axis is incrementally increased from lower end to upper end, will pass through the eccentric face 121 of rotation adjustment of claw 12 and insert Expect hole 111 between minimum range, and then with eccentric face 121 rotation realize claw 12 treat conveying member 4 gradually clamping or Gradually unclamp；Preferably, it is provided at least one monodactyle 1211 on eccentric face 121, slot 1212 is provided between each monodactyle, For clamping part 4 to be conveyed；The height in eccentric face 121 is higher than the height of 12 other positions of claw, is treated to further increase The clamping degree of conveying member 4.The second side of each claw 12 is using the axis of the rotary shaft of claw 12, that is, claw axis 113 as axis The outer wall of fanning strip, fanning strip is provided with several teeth i.e. gear segment 122, the feeding tooth of gear segment 122 and 21 inner wall of feed cylinder Section 211 is adapted, and to drive conveying assembly 2 when the eccentric face 121 of claw 12 clamps part 4 to be conveyed, helically formula is fed. 123 arbitrary section lateral profile of involute section on claw 12 is involute, and connecting hole 124 and fabrication hole 125 are through-hole.

Referring to Fig. 6 and Fig. 7, it illustrates the preferred structure of conveying assembly provided in an embodiment of the present invention, conveying assembly 2 wraps It includes：Feed cylinder 21, guide cylinder 22, feeding lid 23 and fixing piece 24；Wherein, feed cylinder 21 and each claw 12 in clamp assembly 1 Rotationally it is connected, to drive feed cylinder 21 to rotate after clamping part 4 to be conveyed.Guide cylinder 22 is sheathed on feed cylinder 21 Outside, the inner wall of guide cylinder 22 is provided at least one thread groove 221, and the outer wall of feed cylinder 21 is provided with thread groove 221 one by one The slide protrusion 212 being correspondingly arranged is adapted to 221 clamping of thread groove, so that each slide protrusion 212 is slideably arranged in pair In the thread groove 221 answered, under slide protrusion 212 and 221 matched guiding role of thread groove, feed cylinder 21 helically formula into It gives, i.e., driving slide protrusion 212 by the rotation of feed cylinder 21, threadingly helically formula is fed slot 221, so that feed cylinder 21 realize the movement of part 4 to be conveyed relative to the helically formula feeding of guide cylinder 22 to drive the movement of clamp assembly 1.Feeding lid 23 are covered on the top of feed cylinder 21, the entrance for obstructing foreign object, and then obstruct parts in the foreign object feed device 100 Interference.Fixing piece 24 is set to the lower section of guide cylinder 22, fixed guide cylinder 22 is used for, so that feed cylinder 21 is relative to fixation The movement of part 24 is moved with driving part 4 to be conveyed to move such as pencil relative to the milling cutter tooth of cutter assembly 200, to make cutting group The bite of part 200 is rotated around milling cutter tooth to carry out machining to pencil.It is of course also possible to be set by the inner wall of guide cylinder 22 The slide protrusion clamping set adapts in the thread groove of 21 outer wall of feed cylinder setting, i.e., guide cylinder 22 is sheathed on outside feed cylinder 21, The inner wall of guide cylinder 22 is provided at least one slide protrusion, and the outer wall of feed cylinder 21 is provided with to be set with slide protrusion one-to-one correspondence The thread groove set is adapted to thread groove clamping, so that each slide protrusion 212 is slideably arranged in corresponding thread groove 221 Interior, under slide protrusion and the matched guiding role of thread groove, helically formula is fed feed cylinder 21, i.e. the drive in feed cylinder 21 Helically formula is fed dynamic lower drive thread groove under the guiding role of slide protrusion.

With continued reference to Fig. 7, fixing piece 24 can be cylindrical structure, and be provided with through-hole, so as to passing through for part 4 to be conveyed； For pencil sharpener, the milling cutter tooth of the cutter assembly 200 of enclosure interior setting can carry out pencil cutting and can also be used as Fixing piece 24, to be fixed to guide cylinder 22, so that feed cylinder 21 is moved relative to milling cutter tooth to drive part 4 to be conveyed i.e. Pencil is moved relative to milling cutter tooth, to make the bite of cutter assembly 200 carry out machining to pencil；Preferably, fixed The top of part 24 is circumferentially provided at least one first engaging lug 241 along it, is provided on the bottom end of guide cylinder 22 and connects with first First engaging lug 241 of the second engaging lug 223 that lug 241 is correspondingly arranged, the 223 corresponding setting of the second engaging lug is connected It connects, is used for fixed guide cylinder 22；It is further preferred that corresponding the second engaging lug 223 of the first engaging lug 241 passes through bolt It is connected, to avoid the rotation of guide cylinder 22；In the present embodiment, the first engaging lug 241 and the second engaging lug 223 are both provided with Two.For ease of being transported to the detection of bit detector 6, it is transported to the top that bit detector 6 is set to fixing piece 24；Preferably, There are two the detection grooves 242 for being located at 4 both sides of part to be conveyed for the top setting of fixing piece 24, for fixing infrared hair respectively Emitter 51 and infrared remote receiver 52.

It is the structural schematic diagram of feed cylinder provided in an embodiment of the present invention referring to Fig. 8；Feed cylinder 21 is both ends open Tubular shell, and bottom end is provided with support plate 213, is used to support the especially claw 12 of clamp assembly 1；For ease of feed cylinder 21 Movement, it is preferable that it is outer and meshed that feed cylinder 21 is sheathed on clamp assembly 1；It is further preferred that the inner wall of feed cylinder 21 The feeding tooth section 211 being arranged in a one-to-one correspondence with claw 12, feeding tooth section 211 and the gear segment on claw 12 are provided on top 122 are meshed；To avoid the interference of output gear 322 in feed cylinder 21 and driving mechanism 3, the side wall of feed cylinder 21 is provided with scarce Mouth 214, so as to the smooth transmission of power；The outer wall of feed cylinder 21 is provided at least one slide protrusion 212, so as to threadingly slot 221 helically formula feedings.

Specifically, feeding tooth section 211 is at least one tooth, and the quantity of tooth is more than 12 gear section of claw, 122 tooth Quantity；Slide protrusion 212 is protruding block or spiral strip projected parts, that is, thread protrusion compatible with thread groove 221, and sliding is convex It plays 212 cross section to be round or oval, is inserted in its corresponding thread groove 221, is round or rectangle with cross section 221 clamping of thread groove adaptation.Be provided with rotation hole 2131 in support plate 213, be through-hole, for across claw axis 113 and It is rotated around slotting material hole 111 in rotation hole 2131；It is additionally provided in support plate 213 a pair of with the fabrication hole 125 1 on claw 12 The location hole 2132 answered, so that claw 12 is accurately installed.To avoid the dry of output gear 322 in feed cylinder 21 and driving mechanism 3 It relates to, the side wall setting jagged 214 of feed cylinder 21, so as to the smooth transmission of power.

It is the structural schematic diagram of guide cylinder provided in an embodiment of the present invention referring to Fig. 9, guide cylinder 22 is one end open （Upper end as shown in Figure 9）Tubular structure, blind end（Lower end as shown in Figure 9）It is provided with charging hole 224, charging hole 224 be through-hole, for plugging part 4 to be conveyed.Clamp assembly 1 and feed cylinder 21 may be contained in guide cylinder 22, and feed cylinder 21 It is set to the top of rotating disc 11, and feed cylinder 21 is set by the card of positioning protrusion 114 on rotating disc 11, so that feed cylinder 21 is in Rotating disc 11 and claw 12 is driven to move when spiral feeding；Three claw axis 113 pass through the rotation hole 2131 of support plate 213 with The claw 12 being fixedly installed in the support plate 213 of feed cylinder 21；For ease of the rotating disc 11 that is set in guide cylinder 22 with set Output gear 322 in the driving mechanism 3 being placed in outside guide cylinder 22 is rotationally connected, it is preferable that the side wall of guide cylinder 22 Offer square hole 225；To improve the stability of main shaft 323, it is preferable that the side wall of guide cylinder 22 is provided with location hole 226, It is sheathed on outside 323 one end of main shaft.

With continued reference to Fig. 9, the thread groove 221 being arranged on guide cylinder 22 is realized there are two types of mode, first, passing through casting technique It is integrally formed, it additionally can be by the way that conveyor screw (not indicated in figure), conveyor screw and guide cylinder 22 be arranged in guide cylinder 22 At least one thread groove 221 is formed between inner wall, but the cost of this guide cylinder is higher, and drive ineffective；In order to Reduce cost, the guide cylinder 22 of the present embodiment and at least one operably more smooth in guide cylinder 22 also for feed cylinder 21 is made Thread groove 221 is integrally formed using casting technique.For ease of being transported to the detection of bit detector 6, it is transported to bit detector 6 and sets It is placed on guide cylinder 22, it is preferable that be provided on guide cylinder 22 for the fixed fixed groove 222 for being transported to bit detector 6；For Ensure that the stability that feed cylinder 21 is fed, thread groove 221 are three, each thread groove 221 is respectively less than 1/3 circle, so as to the side of ensuring The setting in shape hole 225 make feed cylinder 21 helically formula feeding or when backhaul rotation be less than 1/3 circle.

Specifically, to further increase 22 traveling comfort of guide cylinder, each thread groove 221 is any one guide cylinder 22 The lead angle located on cross section is identical (three start screw slot 221 being moved to same position, three can overlap), makes feed cylinder 21 smoothly move in guide cylinder 22；But if each portion in any one thread groove 221 in three start screw slot 221 Position lead angle is different, then when 21 uniform rotation of feed cylinder, feed cylinder 21 is under the drive of three start screw slot 221, feed cylinder 21 Movement speed it is uneven, this is just unfavorable for treating cutting of the processing of conveying member 4 for example to pencil end, causes pencil end Cutting effect is poor；It is further preferred that the lead angle between each thread groove 221 is equal, and then further increase the fortune of feed cylinder 21 Capable stationarity.

With continued reference to Fig. 9, the mutual shortest distance of three start screw slot 221 is equal.Specifically, three start screw slot 221 Respectively the first thread groove 2211, the second thread groove 2212 and third thread groove 2213, the second thread groove 2212 are set to first Between thread groove 2211 and third thread groove 2213；Feed cylinder 21 is driven by from three slide protrusions, 212 3 directions Under power effect, feed cylinder 21 smoothly moves in guide cylinder 22, but in order to further make feed cylinder 21 in guide cylinder Movement in 22 is more stable, and the shortest distance that this will make three start screw slot 221 mutual is equal, that is, the first thread groove It is most short between 2211 and the second most short screw pitch and the second thread groove 2212 and third thread groove 2213 between thread groove 2212 Screw pitch is identical, and the most short screw pitch between third thread groove 2213 and the first thread groove 2211 and third thread groove 2213 and second Most short screw pitch between thread groove 2212 is identical.The three start screw slot 221 of such setting is on the arbitrary cross section of guide cylinder 22 Three line outlets 22110,22120,22130 between angle be 120 °, corresponding, be arranged on feed cylinder 21 three slidings Angle between three line outlets 22110,22120,22130 of the protrusion 212 on the arbitrary cross section of feed cylinder 21 is 120 °, So that by the driving force of steady equilibrium under the action of the slide protrusion 212 that feed cylinder 21 is arranged by three in 120 °, in turn So that feed cylinder 21 run in guide cylinder 22 it is more stable.

With continued reference to Fig. 9 and Figure 10, each thread groove 221 is connected with the end face of at least one end in 22 both ends of guide cylinder. Specifically, in order to facilitate the installation of, three start screw slot 221 is connected with the end face of 21 both ends of guide cylinder one end therein, it is preferable that It is connected with the upper surface of guide cylinder 21, forms three line outlets 22110,22120,22130, when feed cylinder 21 are installed, It need to be only sheathed on guide cylinder 22, and make the position of slide protrusion 212 and three line outlets 22110,22120,22130 It corresponds, then installs.Preferably, guide cylinder 22 be both ends open tubular shell when, three start screw slot 221 with lead It is connected to the end face at the both ends of cylinder 22；Preferably, lubricating grease is provided in each thread groove 221, the setting of lubricating grease can be big The big friction reduced between the corresponding thread groove 221 of slide protrusion 212, is conducive to the operation of feed cylinder, also to a certain degree On reduce the mechanical loss of the feed device 100.

Referring to Figure 11, it is the structural schematic diagram of feeding lid provided in an embodiment of the present invention, feeding is set on feeding lid 23 Hole 231, for plugging part 4 to be conveyed.

Specifically, feeding lid 23 is Circular plate structure, outer wall is arranged in guide cylinder 22, due to the work of gravity and pressure With being moved up and down with feed cylinder 21 and part to be conveyed 4；Feedhole 231 be set to the center of feeding lid 23 and with slotting material Hole 111 is coaxially disposed, and identical as the diameter in slotting material hole 111, so that part 4 to be conveyed is inserted in feedhole 231 successively and inserts material In hole 111；To further ensure that the stability of each claw 12, it is additionally provided on feeding lid 23 and is set with the one-to-one correspondence of claw axis 113 The axial trough 232 set sets claw axis 113 for card, to ensure the stability of claw axis 113, and then ensures to be sheathed on claw axis The stability of 113 claw 12.

With continued reference to Fig. 6 to Figure 11, part 4 to be conveyed is installed in the slotting material hole 111 of rotating disc 11, and passes through three claws 12 are matched for clamping tightly；When driving mechanism 3 drives rotating disc 11 to rotate, rotating disc 11 synchronous drive, three claws 12 are around slotting material hole 111 revolve round the sun, feeding tooth section corresponding with gear segment 122 211 on the gear segment 122 and feed cylinder 21 of the second end of three claws 12 Engagement, due to resistance that part 4 to be conveyed is stiffener and retainer make it is opposing stationary between feed cylinder 21 and guide cylinder 22, So that three claws 12 rotate about i.e. 113 rotation of claw axis of axis, so that the eccentric face 121 of three claws 12 and slotting material hole Minimum range between 111 axis is progressively smaller until that three claws 12 are clamped part 4 to be conveyed by monodactyle 1211；It is waiting for After conveying member 4 clamps, since the outer wall of part 4 to be conveyed is rigid material so that three claws 12 can not rotation so that three A claw 12 in slotting 111 process of revolution of material hole, the gear segment 122 of the second end of three claws 12 on feed cylinder 21 with gear 122 corresponding feeding tooth section 211 of section engages so that feed cylinder 21 rotates while offsetting the resistance of retainer, so that sending Three slide protrusions 212 on barrel 21 rotate simultaneously, and three start screw slot 221 generates driving to three slide protrusions 212 simultaneously Power so that the helically formula in guide cylinder 22 under the action of three direction driving forces of three slide protrusions 212 of feed cylinder 21 Feeding is moved in rotation.The setting of multiple thread grooves 221 and slide protrusion 212 ensures feed cylinder 21 in multiple directions It is moved under driving force effect so that the stress of feed cylinder 21 is more uniformly distributed, and reduces frictional force, to ensure what feed cylinder 21 moved Stationarity, and then anti seismic efficiency when feed cylinder 21 moves is improved, to improve the stationarity for conveying part 4 to be conveyed.

Wherein, each claw 12 is equivalent in planetary gear mechanism planetary gear, part to be conveyed 4 are equivalent to sun gear, rotation Disk 11 is equivalent to planet carrier, feed cylinder 21 is equivalent to external toothing, and for the clamping and release of part to be conveyed, it is equivalent to external toothing It is fixed so as to be relatively rotated between each claw 12 and part to be conveyed 4, so that the eccentric face of each claw 12 and slotting material hole Minimum range between 111, which synchronizes, to be decreased or increased, and then realizes the clamp or release of part 4 to be conveyed；And clamping is waited for defeated For sending each claw 12 of part 4, being equivalent to will be fixedly connected between planetary gear and sun gear i.e. claw 12 and part 4 to be conveyed, make Must be opposing stationary between the two, and then make planetary gear that must revolve round the sun and drive the external toothing i.e. rotation of feed cylinder 21, to make feed cylinder 21 helically formula feed so that rotating disc 11 in feed cylinder 21, claw 12 and part to be conveyed 4 move up and down.

Referring to Figure 12 and Figure 13, it illustrates the preferred structure of driving mechanism provided in an embodiment of the present invention, driving mechanisms 3 Including：Motor 31 and driving member 32；Motor 31 drives the rotation of clamp assembly 1 by driving member 32.Specifically, motor 31 can control 31 operating status of motor and traffic direction by control panel 7, and clamp assembly 1 is driven will pass through driving member 32 Rotary state it is corresponding with the position of part 4 to be conveyed；Preferably, driving member 32 intermittently drives clamp assembly 1 to rotate, with Just it is handled while part 4 to be conveyed is fed.

With continued reference to Figure 12 and Figure 13, driving member 32 is Multi-stage transmission gear, the input gear 321 of Multi-stage transmission gear with Motor 31 is connected, to drive the rotation of Multi-stage transmission gear；The output gear 322 and clamp assembly of Multi-stage transmission gear 1 is connected, for driving clamp assembly 1 to rotate.Preferably, it is provided with main shaft on the output gear 322 of Multi-stage transmission gear 323, drive the multi-stage gear 324 engaged successively to rotate will pass through motor 31, and the multi-stage gear 324 by engaging successively It drives main shaft 323 to rotate, and then drives output gear 322 to rotate so that clamp assembly 1 rotates.One end of main shaft 323（Such as Figure 13 Shown in lower end）It is fixed on by spline on the output gear 3241 of the multi-stage gear 324 engaged successively, the other end passes through spline It is fixed on output gear 322, to realize the synchronous rotation of the multi-stage gear 324 and output gear 322 that engage successively, is used for It drives output gear 322 to rotate by main shaft 323, and then the rotating disc 11 engaged with output gear 322 is driven to rotate.To avoid The multi-stage gear 324 engaged successively is influenced by external force or is interfered with foreign object, and biography is arranged with outside the multi-stage gear 324 that engages successively Dynamic shell 325.The rotating disc 22 that the height of the output gear 3222 of Multi-stage transmission gear is greater than or equal to clamp assembly 1 back and forth moves Dynamic maximum distance, the i.e. height of the output gear 3222 of Multi-stage transmission gear are greater than or equal to feed cylinder 21 and move back and forth most Big distance.

Referring to Figure 14 and Figure 15, the multi-stage gear 324 engaged successively can be the tooth of the multi-stage gear combination of at least two-stage The transmission of power is realized in wheel transmission by the engagement between gear, and the input gear of the multi-stage gear 324 engaged successively, which is used as, to be passed The input gear 321 of moving part 32 and it is connected with motor 31, to drive the rotation of driving member 32.To realize part 4 to be conveyed Intermittent feeding be output gear 322 intermittent rotation, it is preferable that the multi-stage gear engaged successively in Multi-stage transmission gear 324 are provided with the interval driving wheel 325 and interval follower 326 of coaxial arrangement, interval driving wheel 325 and interval follower 326 Rotationally it is connected, interval follower 326 is sheathed on the gear shaft 327 of interval driving wheel 325 with 326 turns of interval driving wheel It is dynamic, and be equipped between interval follower 326 and gear shaft 327 resistance piece can for example be coated with therebetween resistance oil or be arranged from Clutch, for part 4 to be conveyed feeding arrival time have a rest follower 326 by resistance make interval follower 326 skid i.e. stop turn It is dynamic, so that conveying assembly 2 stops movement, conveying member 4 is treated at this time and is handled for example by milling cutter tooth to pencil progress Machining feeds after processing and the output gear 3215 of Multi-stage transmission gear 321 is intermittently driven to rotate again, and then right Part 4 to be conveyed carries out feeding and processing alternately；For example, for pencil sharpener, pencil is delivered to a positioning of milling cutter tooth It postpones and feeds in place, the bite of cutter assembly 200 needs to carry out machining, before pencil cutting, milling cutter tooth to pencil It prevents feeding, that is, milling cutter tooth of pencil from applying resistance to pencil, causes to skid between interval follower 326 and gear shaft 327, cause The i.e. interval follower 326 of relative rotation between interval follower 326 and gear shaft 327 is set to stop operating, so that output gear 3215 and output gear 322 stop operating so that the rotating disc 11 in clamp assembly 1 stops operating, so that pencil It stops operating, and the bite of cutter assembly 200 carries out cutting after certain conicity to the end of pencil simultaneously, milling cutter tooth There are pre-determined distances between pencil, i.e., the resistance between milling cutter tooth and pencil disappears, then interval follower 326 and gear shaft Opposing stationary between 327, i.e., interval follower 326 is rotated synchronously with interval driving wheel 325, i.e., interval follower 326 drives defeated Go out the rotation of gear 322, and then rotating disc 11 is driven to rotate, such cycle is until cutting is completed or up to lower end position, i.e., in fact The alternative expression feeding of feeding and the processing of existing part 4 to be conveyed is until cutting is completed or until lower end position.Wherein, interval active Wheel 325 is a center tooth between input gear or input gear and output gear in the multi-stage gear 324 engaged successively Wheel；The corresponding subordinate's gear of interval follower 326 is meshed, to drive output gear 322 to rotate；Subordinate's gear is certainly The input gear of the multi-stage gear 324 engaged successively to the output gear of the multi-stage gear 324 engaged successively engagement sequence be From top to bottom, i.e., the gear being meshed with the input gear of the multi-stage gear 324 engaged successively is the multi-stage gear engaged successively The 324 corresponding subordinate's gear of input gear.

The bit detector 6 that is transported to provided in the present embodiment includes two lower end positions for being respectively arranged at guide cylinder 22 With the limit switch of upper end position, feed cylinder 21 touches or when close to limit switch, the connecting rod driving switch of limit switch Contact cause be closed contact disjunction or disconnection junction closure, control is passed through by the change of make and break contact opening and closing state Plate 7 controls the driving of driving mechanism 3.Wherein control panel 7 is PCB control panels.

Retainer in the present embodiment is spring, is set to conveying assembly 2 and such as shell on the not moving part of the feed device Body, so that resistance is applied to conveying assembly 2；Preferably, retainer can be compressed spring, be set to conveying assembly 2 The lower section of feed cylinder 21, compressed spring one end connect on the feed cylinder 21 of conveying assembly 2, and the other end is connected to conveying assembly 2 On guide cylinder 22 or fixing piece 24, so that resistance is applied on feed cylinder 21 so that feed cylinder 21 hinders under the resistance of retainer Only feed cylinder 21 close to fixing piece 24 i.e. prevent feed cylinder 21 move down, and then avoid claw 12 clamp part 4 to be conveyed it The helically formula of preceding feed cylinder 21 is fed, to further avoid in conveying assembly 2 feed cylinder 21 before part 4 to be conveyed clamping Invalid movement, and then improve the working efficiency of the feed device, while improving the utilization rate of driving mechanism 3；Certainly, retainer It may be extension spring, be set to the top of the feed cylinder 21 of conveying assembly 2, extension spring one end is connected to conveying assembly On 2 feed cylinder 21, the other end is connected to the guide cylinder 22 of conveying assembly 2；In addition, retainer can also pass through conveying assembly Chocking construction realization is provided on guide cylinder 22, chocking construction is set to feed cylinder 21 in the bottom end of initial position, initial bit It is set to the position before being inserted into part 4 to be conveyed；Chocking construction can be bulge-structure, to be conveyed to prevent to clamp in claw 12 The helically formula feeding of feed cylinder 21 before part 4.

100 course of work of feed device provided in this embodiment is：

Feeding process：First, operating personnel by part 4 to be conveyed sequentially pass through feeding lid 23 231, three claws 12 of feedhole it Between clamping space, the rotation hole 2131 of 21 upper backup pad 213 of feed cylinder, the slotting material hole 111 of rotating disc 11 and guide cylinder 22 It after charging hole 224, is inserted in the hole of fixing piece 24, treating conveying member 4 so as to the parts of 24 lower section of fixing piece is handled Such as the bite of cutter assembly 200, to the machining of pencil, fixing piece 24 is also treated conveying member 4 and is positioned；It is to be conveyed Part 4 plugs be installed in place after, infrared transmitter 51 emit infrared ray after, infrared remote receiver 52 is detected infrared ray, due to The transmission for plugging barrier infrared ray of part 4 to be conveyed, causes infrared remote receiver 52 that can not receive infrared ray, infrared remote receiver 52 Signal will be then installed and be sent to control panel 7；Then, control panel 7 controls motor 31 and rotates forward so that Multi-stage transmission gear 321 Drive output gear 322 counterclockwise by main shaft 323, to pass through the turning gear section 112 of output gear 322 and output gear 322 Engagement drives rotating disc 11 clockwise so that and three claw axis 113 drive three claws 12 to revolve round the sun clockwise around slotting material hole 111, So that the gear segment 122 of three claws 12 feeding tooth section 211 corresponding on feed cylinder 21 engages, feed cylinder 21 is in retainer So that opposing stationary i.e. feed cylinder 21 is motionless between feed cylinder 21 and guide cylinder 22, so that three claws 12 are around it under resistance 113 rotation clockwise of rotary shaft, that is, claw axis so that the eccentric face 121 of three claws 12 with insert material hole 111 axis it Between minimum range be gradually progressively smaller until that three claws 12 are clamped part 4 to be conveyed by monodactyle 1211；Finally, wait for it is defeated After sending part 4 to clamp, since the outer wall of part 4 to be conveyed is rigid material so that three claws 12 can not rotation so that three Claw 12 in 111 process of revolution clockwise of slotting material hole, the gear segment 122 of the second end of three claws 12 on feed cylinder 21 with 122 corresponding feeding tooth section 211 of gear segment engages so that and feed cylinder 21 rotates clockwise while offsetting the resistance of retainer, So that three slide protrusions 212 on feed cylinder 21 rotate simultaneously, three start screw slot 221 is simultaneously to three slide protrusions 212 generate driving force so that feed cylinder 21 is under the action of three direction driving forces of three slide protrusions 212 in guide cylinder 22 Inside helically formula feeding is moved down when rotating clockwise；After being moved to certain position, foreign object such as milling cutter tooth, which is applied to, to be waited for 4 one resistances of conveying member so that part 4 and feed cylinder 21 to be conveyed can not be moved down by a upward resistance, be caused It skids between interval follower 326 and gear shaft 327 and is relatively rotated namely between interval follower 326 and gear shaft 327 Say that interval follower 326 stops operating, so that output gear 3215 and output gear 322 stop operating, so that clamping group Rotating disc 11 and claw 12 in part 1 stop operating so that the stopping of part 4 to be conveyed moves down, and foreign object treats conveying member 4 at this time Processing is carried out until as until so that foreign object is applied to 4 resistance of part to be conveyed and disappears, such as cutting for cutter assembly 200 after certain effect Sharpener carries out after being cut to certain conicity pencil end so that opposing stationary between interval follower 326 and gear shaft 327 I.e. interval follower 326 is rotated synchronously with interval driving wheel 325, that is to say, that interval follower 326 drives output gear 3215 It is rotated with output gear 322, and then rotating disc 11 is driven to rotate, so cycle is that part 4 to be conveyed is moved down and carried out to it Alternate cycles between processing are until cut completion or when the position of lower end, the joint of the limit switch of lower end position Dotted state adjusts, and control panel 7 controls the reversion of motor 31 according to switching node state or stops operating.

Return stroke：Control panel 7 controls motor 31 according to switching node state and inverts so that Multi-stage transmission gear 321 Drive output gear 322 clockwise by main shaft 323, to pass through the turning gear section 112 of output gear 322 and output gear 322 Engagement drives rotating disc 11 counterclockwise so that and three claw axis 113 drive three claws 12 to revolve round the sun counterclockwise around slotting material hole 111, So that the gear segment 122 of three claws 12 feeding tooth section 211 corresponding on feed cylinder 21 engages, feed cylinder 21 is in retainer Helically formula backhaul, that is, upper end is move upwardly until when rotating counterclockwise under the promotion of the thrust of spring and three claws 12 Position, guide cylinder 22 prevent the lasting movement of feed cylinder 21 from making opposing stationary i.e. feed cylinder between feed cylinder 21 and guide cylinder 22 21 is motionless, so that three claws 12 rotate about i.e. 113 rotation counterclockwise of claw axis of axis, so that three claws 12 Minimum range between eccentric face 121 and the axis for inserting material hole 111 gradually increases until three claws 12 unclamp part 4 to be conveyed； After part 4 to be conveyed release, the switching node state of the limit switch of lower end position adjusts, and control panel 7 is according to switching node State control motor 31 rotates forward or stops operating.

To sum up, feed device 100 provided in this embodiment passes through the gradually clamp or release of the claw 12 on clamp assembly 1 Fixed part 4 to be conveyed；It drives clamp assembly 1 to rotate by driving mechanism 3, and then part 4 to be conveyed is gradually clamped by claw 12 Afterwards, it drives conveying assembly 2 to rotate by clamp assembly 1, and then realizes the spiral feeding of conveying assembly 2, to realize conveying The movement of clamp assembly 1 and part to be conveyed 4 in component 2 realizes the self-feeding and backhaul of part 4 to be conveyed, that is, realizes lead Pen self-feeding and cutting after backhaul, it is simple to operate, compared with the prior art in pencil sharpener, pass through clamp assembly 1 realizes the Automatic-clamping of pencil, is not necessarily to the operation of operating personnel, while can avoid the small of age smaller child such as kindergarten Child is insufficient to the clamping of pencil manually to cause pencil without mobile phenomenon, substantially increases the transfer efficiency of feed device 100.

Especially, feed device 100 provided in this embodiment realizes part to be conveyed by installing detector 5 and control panel 7 The detection of 4 installation condition, to save the judgement of operating personnel, simultaneously because clamp assembly 1 is set to inside conveying assembly 2 And part 4 to be conveyed is inserted in clamp assembly 1, the installation condition of part 4 to be conveyed is not easy to judge, therefore can by installing detector 5 The installation condition for precisely judging part 4 to be conveyed, conveying assembly when operating personnel being avoided to judge to be not allowed to cause not clamping part 4 to be conveyed 2 lost motion；In addition, the detection of 2 shift position of conveying assembly is realized by being transported to bit detector 6 and control panel 7, with Just it realizes the automatic reciprocating movement of conveying assembly 2, and then realizes the automatic reciprocating movement of part 4 to be conveyed, and then improve this 100 efficiency of feed device.

Pencil sharpener embodiment：

The present embodiment also proposed a kind of pencil sharpener, and referring to Figure 16, which includes：Above-mentioned feed device 100 and cutting group Part 200；Wherein,

The specific implementation process of feed device 100 is referring to above description, and details are not described herein for the present embodiment, cutter assembly 200 pairs of pencils carry out automatic cutting processing.

Feed device 100 is set to the side of cutter assembly 200（Top as shown in figure 16）, for pencil to be delivered to To be cut pencil by cutter assembly 200 in cutter assembly 200；Feed device 100 can pass through with cutter assembly 200 Same motor, that is, motor 31 drives, and the rotation of motor 31 is controlled by same control panel, that is, control panel 7.

The pencil sharpener further includes having the shell being sheathed on outside feed device 100 and cutter assembly 200（It is not shown in figure）, with Just it avoids the parts inside pencil sharpener from touching scuffing etc. to operating personnel, while also avoiding foreign object to zero inside pencil sharpener The interference of component movement.

Since feed device 100 has said effect, so the pencil sharpener with the feed device 100 is also with corresponding Technique effect.

Referring to Figure 17 and Figure 18, detection piece 201 is provided in cutter assembly 200, for detecting pencil cutting effect, and root The rotation of motor 31 is controlled by control panel 7 according to cutting effect.

Specifically, cutter assembly 200 is provided with the endoporus 202 of the circular cone build for accommodating pencil end；Detection piece 201 include the sliding bar 2011 for the vertex of a cone position for being set to endoporus 202 and the cutting limit being set to below endoporus 202 switch 2012 and the guide spring 2013 that is sheathed on outside sliding bar 2011；Wherein, the pencil in endoporus 202 passes through 100 He of feed device The alternately feeding and cutting of cutter assembly 200 so that the end that pencil is provided with endoporus 202 is cut to and 202 phase of endoporus The conicity matched and when its pen core is cut to certain length, so that sliding bar 2011 passes through guide spring under the thrust of pencil 2013 guiding moves down until coming close to or in contact with cutting limit switch 2012 so that the joint of cutting limit switch 2012 Dotted state adjusts, and control panel 7 controls the reversion of driving mechanism 3 according to switching node state or stops operating；After the completion of cutting, pass through Pencil is back to upper extreme point position by feed device 100, and control panel 7 is opened according to the limit switch and cutting limit of upper extreme point position The switching node state of pass 2012 controls the alarm of the buzzer of pencil sharpener setting, such as cutting limit switch 2012 and upper end The limit switch of point position is normal closure state, so that cutting limit switch 2012 is adjusted to disconnected under the contact of sliding bar 2011 It opens, pencil is back to behind upper extreme point position feed device 100 so that the limit switch of upper extreme point position is adjusted to disconnect, control When the limit switch that plate 7 receives cutting limit switch 2012 and upper extreme point position is disconnection, buzzer warning is controlled, to carry Show that the cutting of operating personnel's pencil is completed；Otherwise, i.e., cutting limit switch 2012 and the limit switch of upper extreme point position any one To be closed, buzzer will not sound the alarm.

The course of work of pencil sharpener：In the alternately feeding and cutting of feed device 100 and cutter assembly 200, if The switching node state of the limit switch of lower extreme point position adjusts so that the control reversion of motor 31 of control panel 7, is sent with will pass through Expect that device 100 drives pencil backhaul until the switching node state of the limit switch of upper extreme point position adjusts, due to cutting limit The switching node state of switch 2012 does not adjust, therefore control panel 7 controls motor 31 and rotates forward, feed device 100 and cutter assembly 200 alternately feeding and cutting is so recycled successively until the switching node state of cutting limit switch 2012 adjusts, and cuts Control panel 7 is made to control motor 32 and invert after cutting the switching node state adjustment of limit switch 2012, to pass through feed device 100 drive pencil backhaul until the switching node state of the limit switch of upper extreme point position adjusts, and control panel 7 receives upper extreme point When the limit switch of position and the switching node state of cutting limit switch 2012 adjust, control motor 31 stops operating Buzzer warning is controlled simultaneously, is used so that operating personnel take out the pencil unclamped.

Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to include these modifications and variations.

Claims

1. a kind of feed device, which is characterized in that including：Clamp assembly, conveying assembly and driving for clamping part to be conveyed Mechanism；Wherein,

The clamp assembly is provided with claw, for gradually clamping the part to be conveyed；

The conveying assembly is sheathed on outside the clamp assembly, and is rotationally connected with the clamp assembly；

The driving mechanism is connected with the clamp assembly, for drive clamp assembly rotation with drive the claw by Step clamps the part to be conveyed, and drives the clamp assembly rotation to drive after the claw clamps the part to be conveyed Stating conveying assembly, helically formula is fed.

2. feed device according to claim 1, which is characterized in that the clamp assembly further includes：With the driving machine The rotating disc that structure is connected；Wherein,

It is offered on the rotating disc and inserts material hole, for plugging the part to be conveyed；

Each claw is rotatably connected on the rotating disc, and the axis of the rotary shaft of each claw and the slotting material hole The distance between line is identical, and when being rotated for the axis with the rotating disc around the slotting material hole, the claw rotation is with gradually Clamp the part to be conveyed；

Each claw is rotationally connected with the conveying assembly, is used for after the claw clamps the part to be conveyed, The claw can drive the conveying assembly around the slotting material hole axle with the rotating disc around the rotation of the slotting material axially bored line It is fed along the axis in the slotting material hole while line rotates.

3. feed device according to claim 2, which is characterized in that

The first side of the claw is provided with the eccentric face towards the slotting material hole, for gradually clamping the part to be conveyed； Bias the distance between the face and the rotary shaft of the claw are incrementally increased from one end to the other end；

The second side of the claw is provided with the gear segment being meshed with the conveying assembly, for being clamped in the eccentric face Along described while driving the conveying assembly to be rotated around the slotting material axially bored line by the gear segment after the part to be conveyed Insert the axis feeding in material hole.

4. feed device according to claim 2, which is characterized in that

It is provided with the claw axis being arranged in a one-to-one correspondence with the claw on the rotating disc, connection is provided on each claw Hole, each claw are sheathed on by the connecting hole on the corresponding claw axis；Or,

It is provided with the claw hole being arranged in a one-to-one correspondence with the claw on the rotating disc, claw is both provided on each claw Axis is sheathed in corresponding claw hole.

5. feed device according to any one of claims 1 to 4, which is characterized in that the conveying assembly includes：Feed cylinder And guide cylinder；Wherein,

The guide cylinder is sheathed on outside the feed cylinder, and the inner wall of the guide cylinder is provided at least one thread groove, described to send The outer wall of barrel is provided with the slide protrusion being arranged in a one-to-one correspondence with the thread groove, is slideably arranged in corresponding screw thread In slot, under the slide protrusion and the matched guiding role of the thread groove, helically formula is fed the feed cylinder；Or,

The guide cylinder is sheathed on outside the feed cylinder, and the inner wall of the guide cylinder is provided at least one slide protrusion, described The outer wall of feed cylinder is provided with the thread groove being arranged in a one-to-one correspondence with the slide protrusion, and the slide protrusion, which slideably blocks, to be set In in corresponding thread groove, under the slide protrusion and the matched guiding role of the thread groove, the feed cylinder is in spiral shell Rotating feeding.

6. feed device according to claim 5, which is characterized in that

It is equipped at the top of the inner wall of the feed cylinder with the one-to-one feeding tooth section of the claw, the gear segment with the claw It is meshed.

7. feed device according to any one of claims 1 to 4, which is characterized in that

It is provided with retainer on the conveying assembly, it is described defeated for being prevented before the clamp assembly clamps the part to be conveyed The feeding of sending component；Or,

It is provided with chocking construction on the guide cylinder of the conveying assembly, for before the clamp assembly clamps the part to be conveyed Prevent the feeding of the conveying assembly.

8. feed device according to any one of claims 1 to 4, which is characterized in that the driving mechanism includes：Motor And driving member；Wherein,

The motor drives the clamp assembly to rotate by the driving member；

The driving member is Multi-stage transmission gear, and output gear is connected with the clamp assembly, for driving the clamping Component rotates；

The interval driving wheel and interval follower of coaxial arrangement are provided in the Multi-stage transmission gear, between the two rotationally It is connected；

The interval follower be sheathed on the gear shaft of the interval driving wheel with the interval driving wheel rotate, and it is described between It has a rest and is equipped with resistance piece between follower and the gear shaft, for the interval follower when the part to be conveyed is fed in place Made its skidding by resistance.

9. feed device according to any one of claims 1 to 4, which is characterized in that further include：Detector, conveying are installed To bit detector and control panel；Wherein,

The installation detector is set in the conveying assembly, for detecting whether the part to be conveyed is plugged in the clamping In component；

The bit detector that is transported to is set on the conveying assembly, for detecting whether the conveying assembly reaches its movement Two end positions of stroke, and location status is sent to the control panel；

The control panel is electrically connected with the installation detector and the bit detector that is transported to, for receiving the installation detection Device detection testing result and it is described be transported to bit detector transmitting location status, and according to testing result with position signal control The driving mechanism is made to control the rotation of the clamp assembly.

10. a kind of pencil sharpener, which is characterized in that including：Cutter assembly and feeding as described in any one of claim 1 to 9 dress It sets；Wherein,

The feed device is set to the side of the cutter assembly, for pencil to be delivered in the cutter assembly to pass through The cutter assembly cuts the end of the pencil.