CN104552957B - Print the 3D printer of carbon fiber - Google Patents
Print the 3D printer of carbon fiber Download PDFInfo
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- CN104552957B CN104552957B CN201510040649.0A CN201510040649A CN104552957B CN 104552957 B CN104552957 B CN 104552957B CN 201510040649 A CN201510040649 A CN 201510040649A CN 104552957 B CN104552957 B CN 104552957B
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- carbon fiber
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- printhead
- push broach
- turning arm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
- B29C31/04—Feeding of the material to be moulded, e.g. into a mould cavity
- B29C31/08—Feeding of the material to be moulded, e.g. into a mould cavity of preforms to be moulded, e.g. tablets, fibre reinforced preforms, extruded ribbons, tubes or profiles; Manipulating means specially adapted for feeding preforms, e.g. supports conveyors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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Abstract
A kind of 3D printer printing carbon fiber, belongs to melting fused deposition rapid moulding equipment technical field.Including base, on base and be positioned at base towards on side be provided with object stage；Drive mechanism, is located on base；Printing mechanism, it is located in drive mechanism, feature: printing mechanism includes printhead, for feeding the wire feeder of carbon fiber wire to printhead and for the carbon fiber wire shear cut off by the carbon fiber wire sent by wire feeder, printhead is located in drive mechanism, wire feeder is being located in drive mechanism corresponding to the position above printhead, and carbon fiber wire shear is located in drive mechanism with wire feeder and in the position of the side corresponding to wire feeder.By wire feeder, carbon fiber wire stably and reliably to the conveying of the direction of printhead and will not be caused crimp in course of conveying by the carbon fiber wire as printing consumptive material；Ensure that printhead prints smoothly；The printing requirement to carbon fiber product can be met.
Description
Technical field
The invention belongs to melting fused deposition rapid moulding equipment technical field, be specifically related to a kind of 3D printer printing carbon fiber.
Background technology
The cutting edge technology knowledge of the aspects such as digital modeling techniques, Electromechanical Control technology, information technology, material science and chemistry is combined due to 3D printing, make the personalized of big specification produce the major transformation being possibly realized and leading global manufacturing economy, thus extensively paid close attention to by people.Printing mechanism is the nucleus equipment that 3D prints, it is to use consumptive material (consumptive material such as: powdered metal material, plastics, pottery, sand etc can jointing material) to build object by the way of successively printing based on mathematical model file, the most under control of the computer according to the threedimensional model direct forming 3D solid of workpiece, it is not necessary to the equipment of traditional machining tool etc and moulds of industrial equipment, frock clamp etc..For the kind of 3D printer i.e. 3D printing device, it is generally divided into three classes at present: one is resin melting molding；Two is Stereolithography；Three for paying light metal forming.
Above mentioned carbon fiber is a kind of phosphorus content high intensity about more than 95%, high-modulus tencel material, due to its have soft outside but hard inside, quality is lighter than metallic aluminium but intensity higher than iron and steel, excellent anti-corrosion performance, specific heat and electric conductivity between nonmetal and metal, under non-oxidizing atmosphere superhigh temperature resistant, endurance, thermal coefficient of expansion is little and anisotropy good, excellent thermal conductivity and the feature such as electromagnetic wave shielding is good, thus be widely used in such as Aero-Space, national defence, automobile, wind-power electricity generation, building, medical apparatus and instruments and the field such as civilian.By daily seen and as a example by being applied to the carbon cloth (also referred to as carbon fiber sheet) of industry and building, its manufacture process is: first by carbon fiber impregnation, more successively laying being suppressed, then introducing apparatus for baking baking molding.This manufacture process is owing to process procedure is many, efficiency is low, energy consumption is big, thus causes valuable product.Especially when using carbon fiber to manufacture complicated parts, not only cost is high but also manufacture efficiency and be difficult to meet industrial amplification production requirement.
The technical information about 3D printer can be seen in disclosed Chinese patent literature, as application for a patent for invention publication No. CN103317726A recommends to have " nozzle gearing mechanism of 3D printer and have the 3D printer of this mechanism ", and for example Authorization Notice No. CN203485190U is provided with " a kind of 3D printer based on parallel institution ", for another example application for a patent for invention publication No. CN103862679A introduces " 3D printer ", etc..But in disclosed China and foreign countries' patent up to now and non-patent literature, it is showed no the technical information of all 3D printers being printed carbon fiber.Specifically, if there being a kind of rational in infrastructure 3D printer that can print carbon fiber, then traditional technique all as the aforementioned existing for carbon fiber manufacture is loaded down with trivial details, efficiency is low, just can eliminate the problem that the fastidious property of parts of complicated shape and structure, cost are high etc.Theoretically, since the 3D printer in prior art does not exist technology barrier for the material printing PLA, ABS etc, then 3D printer printing carbon fiber is seemed also not have puzzlement.But, show through the experiment of the applicant, due to be not limited to following factor and must be to the printing mechanism of the 3D printer in prior art essence in addition and informal improvement；One, the carbon fiber as printed material is pre-dipped carbon fibre precursor, bigger with the materials variances of PLA, ABS etc；They are two years old, can not occur during the printhead wire feed of printing mechanism crimp and be necessary to ensure that wire feed stable and reliable its three, such as will not melt at a temperature of 100 degree owing to carbon fiber has high temperature tolerance, so that have joint gather ground disjunction feeding, such as be fed to printhead by cutting member after being sheared one by one；Its four, need while printhead prints to carbon fiber apply appropriateness pressure, otherwise there will be lamination, the entirety affecting the product after molding combines effect, etc..
For above-mentioned prior art, the applicant has made actively and effectively to design, and finally defines technical scheme described below, and is simulated test under taking secrecy provision, and result proves practicable.
Summary of the invention
The task of the present invention is that providing a kind of contributes to stable and carbon fiber wire reliably carries to the direction of printhead and can avoid causing carbon fiber wire crimp, is conducive to carbon fiber wire is sheared during printhead prints and is of value to the 3D printer that carbon fiber wire applying modest pressure prints while printhead prints carbon fiber.
The task of the present invention is performed by, a kind of 3D printer printing carbon fiber, including a base, on the base and be positioned at base and be provided with one towards upper side for carrying the object stage of printed matter；One drive mechanism, this drive mechanism is arranged on described base；One printing mechanism, this printing mechanism is arranged in described drive mechanism, it is characterised by: described printing mechanism includes printhead, for feeding the wire feeder of carbon fiber wire to printhead and for the carbon fiber wire shear cut off by the carbon fiber wire sent by wire feeder, printhead is arranged in described drive mechanism, wire feeder is being arranged in drive mechanism corresponding to the position above printhead, and carbon fiber wire shear is arranged in drive mechanism with wire feeder and in the position of the side corresponding to wire feeder.
nullIn a specific embodiment of the present invention，Described drive mechanism includes straight-line electric support、Linear electric motors、Electric rotating support、Near-end electric rotating machine、Near-end turning arm、Far-end electric rotating machine and far-end turning arm，Straight-line electric support is fixed on described base with longitudinal state，Linear electric motors are arranged on the side of the proximally facing turning arm of straight-line electric support，Electric rotating support is fixed on linear electric motors，Near-end electric rotating machine is fixed on electric rotating support，And the near-end spin motor shaft of this near-end electric rotating machine is fixing with near-end turning arm left end to be connected，The right-hand member of far-end electric rotating machine and near-end turning arm is fixed，And the far-end spin motor shaft of this far-end electric rotating machine is fixing with the left end of far-end turning arm to be connected，And the right-hand member of far-end turning arm corresponds to the top of described object stage with horizontal boom state，The printhead of described printing mechanism be arranged on the right-hand member of described far-end turning arm towards under side，And described wire feeder and carbon fiber wire shear are arranged on the right-hand member of far-end turning arm towards upper side.
In another specific embodiment of the present invention, described linear electric motors include one group of linear motor stator electric, linear motor rotor and a pair linear electric motors guide rail, one group of linear motor stator electric is spaced, along the short transverse of described straight-line electric support, the side being fixed on straight-line electric support towards described near-end turning arm from top to bottom, linear motor rotor coordinates with a pair linear electric motors slide when matching with one group of described linear motor stator electric, and a pair linear electric motors guide rail parallel and is fixed with described straight-line electric support in the position of the both sides corresponding respectively to one group of linear motor stator electric longitudinally of one another, described electric rotating support is fixed towards the side of described near-end turning arm with linear motor rotor.
In another specific embodiment of the present invention, being fixed with linear motor rotor slide block on described linear motor rotor and in the position corresponding to a pair described linear electric motors guide rail, this linear motor rotor slide block and a pair linear electric motors slide coordinate；One group of described linear motor stator electric is Magnet.
nullIn another specific embodiment of the present invention，At the right-hand member of described far-end turning arm and offer a printhead in the position of the printhead corresponding to described printing mechanism and fix post holes，Described printhead includes pinch roller frame、Pinch roller、Seat fixed by heater、Heater and fan，Pinch roller is rotatably supported on pinch roller frame by pressure wheel shaft，In the middle position of length direction of this pinch roller and constitute around the circumferencial direction of pinch roller and have the carbon fiber wire groove on a surface being depressed in pinch roller，Heater is fixed seat and is fixed on the pinch roller frame side towards described far-end turning arm，Fix the upper end of seat at this heater to be constituted the printhead of the diameter having a diameter to fix seat less than heater with narrow contracting state and fix post，By this printhead fix post probe in described printhead fixes post holes by the right-hand member of pinch roller frame and described far-end turning arm towards under side fix，The axial central authorities fixing post at printhead offer a carbon fiber guide hole，This carbon fiber guide hole communicates with the pinch roller frame chamber of pinch roller frame by way of the hole being opened in the axially central authorities that seat fixed by heater，By this carbon fiber guide hole by the pinch roller described in carbon fiber wire that is that sent by described wire feeder and that cut off by described carbon fiber shear introducing，The middle position of heater is constituted a heater-fastening-hole，This heater-fastening-hole is nested with to be fixed on seat at described heater，Fan be fixed on the right-hand member of far-end turning arm towards under side，And the fan outlet of this fan is corresponding with the side of described pinch roller，The top that described wire feeder fixes post holes with described printhead is corresponding，And described carbon fiber wire shear fixes the left side of post holes corresponding to printhead.
Also having in a specific embodiment in the present invention, is equipped with one or above heating rod and a temperature signal collection device on described heater；Described fan is piezo jet fan.
In more and in a specific embodiment of the present invention, described temperature signal collection device is temperature sensor.
nullThe present invention's and then in a specific embodiment，Described wire feeder includes pedestal、Mounting fixed by piezoelectric ceramics、Upper limit piezoelectric ceramics、Driving pressure electroceramics、Lower limit piezoelectric ceramics、Carbon fiber wire lead、Positioning sleeve and spring，Pedestal is fixed on the right-hand member of described far-end turning arm towards upper side，And it is simultaneously corresponding to described printhead and fixes the right side of post holes，Piezoelectric ceramics is fixed mounting and is fixed on the top of pedestal，Fix mounting at this piezoelectric ceramics and be fixed with a upper limit piezoelectric ceramics supporting arm successively with horizontal boom state from top to bottom towards the side of described carbon fiber wire shear、One first flexible hinge and one second flexible hinge，This upper limit piezoelectric ceramics supporting arm、First flexible hinge and the second flexible hinge are on same longitudinal axis each other，Upper limit piezoelectric ceramics is arranged on upper limit piezoelectric ceramics supporting arm，Driving pressure electroceramics is located on the first flexible hinge in the position of the lower section corresponding to upper limit piezoelectric ceramics and contacts with upper limit piezoelectric ceramics，Lower limit piezoelectric ceramics is arranged on the second flexible hinge in the position of the lower section corresponding to driving pressure electroceramics and contacts with driving pressure electroceramics，The top of carbon fiber lead is constituted a lead fixed arm，The top of this lead fixed arm and described pedestal is fixed，And match with positioning sleeve in the bottom of carbon fiber lead，And a lead thread eye is offered in the middle position of the short transverse of carbon fiber lead，Positioning sleeve is positioned at the left side of pedestal，And the top of post holes is fixed corresponding to described printhead，The upper end of this positioning sleeve is constituted a spring cavity，The middle position of lower end offers a positioning sleeve thread eye，The upper end of this positioning sleeve thread eye communicates with spring cavity，Lower end is configured to the thread eye outlet communicated with the external world，It is corresponding that the outlet of this thread eye fixes post holes with described printhead，And it is the most corresponding with described carbon fiber guide hole，Spring is positioned at spring cavity and is nested with in the bottom of carbon fiber lead，Match with positioning sleeve in probeing into described spring cavity in the bottom of described carbon fiber wire lead.
In the most more and in a specific embodiment of the present invention, the diameter stigma less than the diameter of carbon fiber lead it is extended with in the bottom of described carbon fiber wire lead, this stigma is configured to spring-loaded step surface with the position, boundary of carbon fiber wire lead, described spring is nested with on stigma, the upper end of this spring is bearing on spring-loaded step surface, and lower end is bearing on the chamber diapire of described spring cavity.
nullIn again and then in a specific embodiment of the present invention，Described carbon fiber wire shear includes motor cabinet、Motor、First、Second push broach guide rod seat and push broach，Motor cabinet is fixed on described far-end turning arm，Motor is fixed on motor cabinet with horizontally-arranged state，The motor screw axle of this motor is towards described pedestal，First、Second push broach guide rod seat is fixed on far-end turning arm with the state corresponded to each other，And correspond respectively to the both sides of push broach，Wherein: on the first push broach guide rod seat, be fixed with one first push broach guide rod，And on the second push broach guide rod seat, it is fixed with one second push broach guide rod，This is first years old、Second push broach guide rod is the most parallel，Push broach has a push broach to connect seat towards the side composition of motor，This push broach connects the middle part of seat and is connected with motor screw axle，Push broach connection seat is slidably matched towards one end of the first push broach guide rod seat with the first push broach guide rod，And push broach connects seat and is slidably matched with the second push broach guide rod towards one end of the second push broach guide rod seat，The side composition that push broach fixes post holes towards described printhead has the push broach blade for being cut off by carbon fiber wire.
Carbon fiber wire stably and reliably to the conveying of the direction of printhead and will not be caused crimp by wire feeder in course of conveying by the carbon fiber wire as printing consumptive material by the technical scheme that the present invention provides；Owing to being equipped with carbon fiber wire shear, thus the carbon fiber wire sent by wire feeder can be cut off and use guarantee printhead and print smoothly；Owing to printhead applies extruding force to carbon fiber wire during printing simultaneously, thus the printing requirement to carbon fiber product can be met.
Accompanying drawing explanation
Fig. 1 is embodiments of the invention schematic diagram.
Fig. 2 is the stereo decomposing structure chart of the printing mechanism shown in Fig. 1.
Fig. 3 is the partial sectional view of Fig. 2.
Detailed description of the invention
In order to enable the auditor especially public of Patent Office to be more clearly understood from technical spirit and the beneficial effect of the present invention, applicant will elaborate below by way of example, but the description to embodiment is not the restriction to the present invention program, the most pro forma rather than substantial equivalent transformation that is only done by any foundation present inventive concept is regarded as technical scheme category.
The concept of the most every directivity (or claim directionality) relating to upper and lower, left and right, front and rear be all for the figure location state being described for, purpose is to facilitate public understanding, thus can not be understood as being particularly limited to the technical scheme that the present invention provides.
Refer to Fig. 1, the structural system of the 3D printer printing carbon fiber that the present invention provides is as follows: include a base 1, on this base 1 and be positioned at base 1 towards on side be provided with one for carrying the object stage 11 of printed matter, this article carrying platform 11 also can claim print platform, and preferred scheme also can arrange one group of base at the bottom interval of base 1 and soar flange；One drive mechanism 2(also can claim printhead drive mechanism, as follows), this drive mechanism 2 is arranged on base 1；One printing mechanism 3, this printing mechanism 3 is arranged in aforesaid drive mechanism 2.In the present embodiment, the shape of aforesaid base 1 and object stage thereon 11 all shapes in disc, but may be used without other shape, for example with the shape of cuboid or square etc, thus the technical connotation of the present invention can not be limited because of the change of the geometry of base 1.
nullPlease continue to refer to Fig. 1，The structure preferably rather than being definitely limited to of aforesaid drive mechanism 2 is as follows: include straight-line electric support 21、Linear electric motors 22、Electric rotating support 23、Near-end electric rotating machine 24、Near-end turning arm 25、Far-end electric rotating machine 26 and far-end turning arm 27，Straight-line electric support 21 is fixed on base 1 with longitudinal state in the edge corresponding to said base 1，I.e. it is perpendicular to base 1 fix，Linear electric motors 22 are arranged on the side (right side of location status shown in Fig. 1) of the proximally facing turning arm of straight-line electric support 21 25，Electric rotating support 23 is fixed on linear electric motors 22 by electric rotating support screw 231，Near-end electric rotating machine 24 uses near-end electric rotating machine to fix screw 242 and is fixed on electric rotating support 23，And the near-end spin motor shaft 241 of this near-end electric rotating machine 24 is fixing with near-end turning arm 25 left end to be connected，The right-hand member that far-end electric rotating machine 26 fixes screw 262 and near-end turning arm 25 by far-end electric rotating machine is fixed，And the far-end spin motor shaft 261 of this far-end electric rotating machine 26 is fixing with the left end of far-end turning arm 27 to be connected，And the right-hand member of far-end turning arm 27 corresponds to the top of described object stage 11 with horizontal boom state，Aforesaid printing mechanism 3 is arranged on the right-hand member of far-end turning arm 27.From described above and combine Fig. 1: aforesaid far-end turning arm 27 and near-end turning arm 25 form gradient relation, the i.e. level height of far-end turning arm 27 level height less than near-end turning arm 25 each other.
Owing to the present embodiment employs dual rotary motion, i.e. owing to there is remote, near-end turning arm 27,25 and remote, near-end electric rotating machine 26,24, thus make present invention shows the polar topology layout of articulated robot, the up and down motion of angle and the angle of near-end turning arm 25 and linear electric motors 22 by controlling far-end turning arm 27 highly realizes 3D and prints, abandon the motor pattern of traditional cartesian coordinate formula, it is achieved the 3D of requisite space prints.This structure very concision and compact of the present invention, print speed is fast and space availability ratio is high.In addition, the straight-line electric support 21 of the structural system of aforesaid drive mechanism 2 can be considered as marker's station, near-end turning arm 25 rotates with the near-end spin motor shaft 41 of near-end electric rotating machine 24 for the center of circle, and far-end turning arm 27 rotates with the far-end spin motor shaft 261 of far-end electric rotating machine 26 for the center of circle.
nullContinue to see Fig. 1，Aforesaid linear electric motors 21 include one group of linear motor stator electric 221、Linear motor rotor 222 and a pair linear electric motors guide rail 223，One group of linear motor stator electric 221 (can also claim from bottom to top) interval to be fixed on the side of the proximally facing turning arm of straight-line electric support 21 25 along the short transverse of aforesaid rectilinear motor cabinet 21 from top to bottom，Linear motor rotor 222 is slidably matched with a pair linear electric motors guide rail 223 when matching with one group of linear motor stator electric 221，And a pair parallel longitudinally of one another and in the both sides corresponding respectively to one group of linear motor stator electric 221 fixing screw 2231 of position employing of linear electric motors guide rail 223 is fixed with straight-line electric support 21，The side of aforesaid electric rotating support screw 231 turning arm proximally facing with linear motor rotor 222 25 is fixed.It is fixed with linear motor rotor slide block 2221(a pair on aforesaid linear motor rotor 222 and in the position corresponding to a pair linear electric motors guide rail 223), this linear motor rotor slide block 2221 is slidably matched with a pair linear electric motors guide rail 223.
By described above, certainly may determine that aforesaid one group of linear motor stator electric 221 is Magnet.And owing to drive mechanism 2 is dual rotation type drive mechanism (by remote, near-end electric rotating machine 26,24), thus the present invention prints the 3D printer of carbon fiber and shows as the 3D printer printing carbon fiber of dual rotation type.However, it is possible to so that the present invention shows as the 3D printer of single revolving printing carbon fiber or shows as the 3D printer printing carbon fiber of non-rotating, etc..For the 3D printer of single revolving printing carbon fiber, far-end electric rotating machine 26 and far-end turning arm 27 can be saved, aforesaid printing mechanism 3 is transferred to the right-hand member of near-end turning arm 25.For the 3D printer printing carbon fiber of non-rotating, remove remote, near-end turning arm 27,25, remote, near-end electric rotating machine 26,24 and electric rotating support 23 is made rational modification and uses on the electric rotating support 23 after making aforesaid printing mechanism 3 be arranged at rational modification, in this case, electric rotating support 23 substantially developed into that one end (such as left end) and linear motor rotor 222 be fixing and the other end (such as right-hand member) for arranging the printing mechanism support plate of printing mechanism 3.It can thus be appreciated that, in the present invention, structural system for drive mechanism 2 there is no special restriction, form shown in Fig. 1 is only a kind of preferred rather than unique form, more particularly, as long as the version of printing mechanism 3 described in detail below for the present invention is used for 3D printer, then all should be considered as the technology contents category of the present invention.
Refer to Fig. 2 and Fig. 3 and combine Fig. 1, technical essential as the technical scheme that the present invention provides, aforesaid printing mechanism 3 includes printhead 31, for feeding the wire feeder 32 of carbon fiber wire to printhead 31 and for the carbon fiber wire sent by wire feeder 32 being cut off the carbon fiber wire shear 33 of (i.e. cutting off), printhead 31 is arranged on the far-end turning arm 27 of aforesaid drive mechanism 2, wire feeder 32 is being arranged on corresponding to the position above printhead 31 on the far-end turning arm 27 of drive mechanism 2, carbon fiber wire shear 33 is similarly disposed on the far-end turning arm 27 of drive mechanism 2 with wire feeder 32 and in the position of the side corresponding to wire feeder 32.
Shown in Fig. 2 and Fig. 3, the printhead 31 of aforementioned printing mechanism 3 be arranged on the right-hand member of aforementioned distal turning arm 27 towards under side, and aforesaid wire feeder 32 and carbon fiber wire shear 33 are arranged on the right-hand member of far-end turning arm 27 towards upper side.
Please see Fig. 2 and Fig. 3 by emphasis, at the right-hand member of aforementioned distal turning arm 27 and offer a printhead in the position of the printhead 31 of the structural system corresponding to aforementioned printing mechanism 3 and fix post holes 271, printhead 31 includes pinch roller frame 311, pinch roller 312, seat 313 fixed by heater, heater 314 and fan 315, pinch roller 312 is rotatably supported on pinch roller frame 311 in the position in the pinch roller frame chamber 3111 corresponding to pinch roller frame 311 by pressure wheel shaft 3121, in the middle position of length direction of this pinch roller 312 and constitute around the circumferencial direction of pinch roller 312 and have the carbon fiber wire groove 3122 on a surface being depressed in pinch roller 312, the material of pinch roller 312 is preferably used politef pinch roller or surface scribbles the pinch roller of polytetrafluorethylecoatings coatings.nullHeater is fixed seat 313 and is fixed on the pinch roller frame 311 side (side towards upper) towards far-end turning arm 27，Fix the upper end of seat 313 at this heater to be constituted the printhead of the diameter having a diameter to fix seat 313 less than heater with narrow contracting state and fix post 3131，By this printhead fix post 3131 probe in aforementioned printhead fixes post holes 271 by the right-hand member of pinch roller frame 311 and aforementioned distal turning arm 27 towards under side fix，The axial central authorities fixing post 3131 at printhead offer a carbon fiber guide hole 31311，This carbon fiber guide hole 31311 communicates with the pinch roller frame chamber 3111 of aforementioned pinch roller frame 311 by way of the hole being opened in the axially central authorities that seat 313 fixed by heater，By this carbon fiber guide hole 31311, carbon fiber wire that is that sent by aforementioned wire feeder 32 and that cut off by aforementioned carbon fiber shear 33 is introduced pinch roller 312，The middle position of heater 314 is constituted a heater-fastening-hole 3141，This heater-fastening-hole 3141 is nested with to be fixed on seat 313 at heater，Fan 315 by fan fixed plate 3152 and use fan fixed plate screw 31521 be fixed on the right-hand member defaulting in far-end turning arm 27 towards under side fan base 272 on，And the fan outlet 3151 of this fan 315 is corresponding with the side of aforementioned pinch roller 312 (left surface of diagram state).The top that post holes 271 fixed by aforesaid wire feeder 32 with printhead is corresponding, and aforesaid carbon fiber wire shear 33 fixes the left side of post holes 271 corresponding to printhead.
As shown in Figure 2, aforesaid heater 314 is equipped with (can also be two or a more than) heating rod 3142 and a temperature signal collection device 3143.Preferably, aforesaid fan 315 is piezo jet fan；Preferably, aforesaid temperature signal collection device 3143 is temperature sensor, circuit be connected with electric controller electrical control, and fan 315 is connected with electric controller electrical control by circuit equally, the aforementioned same example of drive mechanism 2.
Aforesaid piezo jet fan uses double piezoelectric principle, thus " double piezoelectricity cooling injection fan " can be referred to as, belong to radiator category due to double piezoelectricity cooling injection fans again, thus the miniflow bellows to electronic equipment injection high-speed air can be understood as.This piezo jet fan is taken the lead in releasing by GE company of General Electric (U.S.A.), is called for short DCJ(full name: DualPiezoelectruc
Cooling Jets), thickness is only 4, and power consumption can reduce more than one times relative to bearing blade fan, but radiating efficiency improves more than ten times, can be used in ultrathin panel computer of future generation and ultrathin notebook PC.Present inventor is applied to 3D printer, the experiment proved that have good positive effect for the curing rate accelerating melted material.If applicant is it should be understood that substitute piezo jet fan by blade fan (i.e. bearing blade fan), then should be considered as equivalent.
nullThe wire feeder 32 of the structural system of aforementioned printing mechanism 3 includes pedestal 321、Mounting 322 fixed by piezoelectric ceramics、Upper limit piezoelectric ceramics 323、Driving pressure electroceramics 324、Lower limit piezoelectric ceramics 325、Carbon fiber wire lead 326、Positioning sleeve 327 and spring 328，Pedestal 321 uses pedestal to fix screw 3211 and is fixed on the right-hand member of aforementioned distal turning arm 27 towards upper side，And it is simultaneously corresponding to aforementioned printhead and fixes the right side of post holes 271，Piezoelectric ceramics is fixed mounting 322 and is fixed on the top of pedestal 321 in the position of the fixing mounting screw hole 3212 at the top corresponding to being preset in pedestal 321 with fixing mounting screw 3224，Fix mounting 322 at this piezoelectric ceramics and be fixed with a upper limit piezoelectric ceramics supporting arm 3221 successively with horizontal boom state from top to bottom towards the side (i.e. the left side of location status shown in Fig. 3) of aforementioned carbon fiber wire shear 33、One first flexible hinge 3222 and one second flexible hinge 3223，This upper limit piezoelectric ceramics supporting arm 3221、First flexible hinge 3222 and the second flexible hinge 3223 are on same longitudinal axis each other.According to shown in Fig. 2 Fig. 3, upper limit piezoelectric ceramics supporting arm 3221 fixes screw 32211 by supporting arm and piezoelectric ceramics is fixed mounting 322 and fixed；First flexible hinge 3222 fixes screw 32221 by the first flexible hinge and piezoelectric ceramics is fixed mounting 322 and fixed；Second flexible hinge 3223 fixes screw 32231 by the second flexible hinge and piezoelectric ceramics is fixed mounting 322 and fixed.Upper limit piezoelectric ceramics 323 is arranged on upper limit piezoelectric ceramics supporting arm 3221, driving pressure electroceramics 324 is located on the first flexible hinge 3222 in the position of the lower section corresponding to upper limit piezoelectric ceramics 323 and contacts with upper limit piezoelectric ceramics 323, and lower limit piezoelectric ceramics 325 is arranged on the second flexible hinge 3223 in the position of the lower section corresponding to driving pressure electroceramics 324 and contacts with driving pressure electroceramics 324.Upper limit piezoelectric ceramics 323 is connected with above mentioned electric controller electrical control by upper limit piezoelectric ceramics control line 3231；Driving pressure electroceramics 324 is connected with electric controller electrical control by driving pressure electroceramics control line 3241；Lower limit piezoelectric ceramics 325 is connected with electric controller electrical control by lower limit piezoelectric ceramics control line 3251.nullThe top of carbon fiber lead 326 is constituted a lead fixed arm 3261，This lead fixed arm 3261 uses fixed arm screw 32611 to fix with the top of pedestal 321 in the position of fixed arm screw hole 3213 at the top corresponding to being preset in pedestal 321，And match with positioning sleeve 327 in the bottom of carbon fiber lead 326，Positioning sleeve 327 is made guidance quality spacing，And a lead thread eye 3262 is offered in the middle position of the short transverse of carbon fiber lead 326，Positioning sleeve 327 is positioned at the left side of pedestal 321，And the top of post holes 271 is fixed corresponding to aforementioned printhead，The upper end of this positioning sleeve 327 is constituted a spring cavity 3271，The middle position of lower end offers a positioning sleeve thread eye 3272，The upper end of this positioning sleeve thread eye 3272 communicates with spring cavity 3271，Lower end is configured to the thread eye outlet 32721 communicated with the external world，It is corresponding that this thread eye outlet 32721 fixes post holes 271 with aforesaid printhead，And it is the most corresponding with aforesaid carbon fiber guide hole 31311.Spring 328 is positioned at spring cavity 3271 and is nested with in the bottom of carbon fiber lead 326, match with positioning sleeve 327 in probeing into described spring cavity 3271 in the bottom of aforementioned carbon fiber wire lead 326, guide effect to 327 seizing on both sides by the arms property of positioning sleeve, because when carbon fiber wire 4 is sheared by carbon fiber wire shear 33, positioning sleeve 327 is upwards movable, and is the most movable under the effect of spring 328.
In fig. 2, show that the upper limit piezoelectric ceramics of upper limit piezoelectric ceramics 323 central authorities draws a hole 3232, in driving pressure electroceramics 324 and the central authorities of lower limit piezoelectric ceramics 325 and offer driving pressure electroceramics in the position drawing a hole 3232 corresponding to upper limit piezoelectric ceramics the most respectively and draw a hole and lower limit piezoelectric ceramics draws a hole (not shown).
According to specialty general knowledge: piezoelectric ceramics just has piezoelectric property after having to pass through polarization.So-called polarization (Poling) is exactly to add a strong dc electric field on piezoelectric ceramics, makes the electricdomain in piezoelectric ceramics along direction of an electric field orientations, processes also known as artificial polarization, or poling processes.
Measuring technology shows with theory analysis, and the POLARIZATION MECHANISM of piezoelectric ceramics depends on its internal structure.Piezoelectric ceramics is irregularly " to be inlayed " by many little crystal grain to form.Each little crystal grain can be seen as a little monocrystalline, and its Atom (ion) is all the arrangement of regular (periodically), forms lattice, and lattice is made up of repetitive one by one i.e. structure cell again.Thus it is called polycrystal.Structure cell (T ＜ TC) its positive and negative charge center at a certain temperature is misaligned, produces spontaneous polarization Ps, and polarised direction points to center of positive charge from center of negative charge.Crystal grain is the most identical with the lattice direction of crystal grain, in terms of entirety, is still confusion, random.In order to make piezoelectric ceramics be in energy (electrostatic energy and elastic energy) minimum state, arising that some zonules in crystal grain, in each zonule, structure cell spontaneous polarization has identical direction, but the spontaneous polarization direction between adjacent domain is the most different.Consistent region, spontaneous polarization direction is referred to as electricdomain, and monolithic ceramic includes many electricdomains.
The effect that artificial polarization processes, it is simply that the sufficiently high DC electric field that adds on piezoelectric ceramics, and keep certain temperature and time, force its electricdomain to turn to, force its spontaneous polarization to align in other words.
Before polarization, there is the electricdomain that many spontaneous polarization directions are different in each crystal grain, the polarization intensity in pottery is zero.When polarization processes, crystal grain can form single domain, and spontaneous polarization arranges along outer field direction as far as possible.After polarization processes, external electric field is zero, and due to internal restoring force (such as the release etc. of the internal stress that polarization produces) effect, each crystal grain spontaneous polarization can only be orientated by former external electric field direction to a certain extent, and the polarization intensity in pottery is no longer zero.This polarization intensity, referred to as remanent polarization.
As shown in the above description, polarization condition is only under polarized electric field effect, and electricdomain could be along direction of an electric field orientations, so it is the principal element in polarization condition.Polarized electric field is the highest, and the effect promoting electricdomain to arrange is the biggest, polarizes the most abundant.
The upper limit piezoelectric ceramics 323 of the aforementioned wire feeder of the present invention 32 is radial polarised, radial contraction is produced after impressed DC voltage, carbon fiber former line to the pre-dipped epoxy resin of the carbon fiber wire 4(as printing consumables illustrated by Fig. 2 and Fig. 3 during contraction) banding, make carbon fiber 4 can not move on or extract out.Accordingly, aforesaid upper limit piezoelectric ceramics draws a hole 3232 and can be understood as shrinkage hole.Aforesaid driving pressure electroceramics 324 is radial polarization, can be with axial elongation after impressed DC voltage, owing to (the most spacing) is blocked by upper limit piezoelectric ceramics 323 in the top of driving pressure electroceramics 342, thus can only move downward and promote lower limit piezoelectric ceramics 325, owing to driving pressure electroceramics 324 and lower limit piezoelectric ceramics 325 are respectively arranged at (being fixed on) first, second flexible hinge 3222,3223, thus can freely move up and down under the effect of external force.Lower limit piezoelectric ceramics 325 is also radial polarised, can be with radial contraction after impressed DC voltage, banding carbon fiber wire 4 during contraction.
The step that aforementioned carbon fiber wire 4 is carried to printhead 31 by wire feeder 32 is as follows: A). during original state, and upper limit piezoelectric ceramics 323, driving pressure electroceramics 324 and the equal power-off of lower limit piezoelectric ceramics 325；B). upper limit piezoelectric ceramics 323 power-off, driving pressure electroceramics 324 and lower limit piezoelectric ceramics 325 are all energized, thus by lower limit piezoelectric ceramics to drawing carbon fiber wire 4 banding in a hole by way of its lower limit piezoelectric ceramics, and move downwardly together with carbon fiber wire 4 under the promotion of driving pressure electroceramics 324；C). driving pressure electroceramics 324 and the equal power-off of lower limit piezoelectric ceramics 325, and upper limit piezoelectric ceramics 323 is energized, now driving pressure electroceramics 324 and lower limit piezoelectric ceramics 325 return back in situ respectively under the resilience force effect of aforementioned first, second flexible hinge 3222,3223, simultaneously by upper limit piezoelectric ceramics 323 by carbon fiber wire 4 banding, prevent from driving when driving pressure electroceramics 324 and lower limit piezoelectric ceramics 325 return carbon fiber wire 4, so repeat step B) and step C) realize to the steady wire feed of printhead 31.
Above, the first flexible hinge 3222 and the second flexible hinge 3223 that applicant mentions have the strong point that mechanical friction, gapless and autokinesis are high, in recent years, flexible hinge is widely applied in the micro displacement workbench of precision excellence, and the angle vernier device that such as Japanese industry Technology design institute quantitative study utilized flexible hinge principle is developed has reached the stable resolution of one thousandth degree.Sum it up, flexible hinge be a kind of realize deflection supporting in little scope there are favorable elasticity and the parts of elastic return effect thereof, deeply favored in such as gyroscope, accelerometer, precision balance, instrument and meter.First, second flexible hinge 3222,3223 of the present invention is selected with that produced by New Times accurate device company limited of Shenzhen of Chinese Guangdong province and be CHS-II A type hinge in the model of market sale before the application proposes.
Still refer to Fig. 2 and Fig. 3, the diameter stigma 3263 less than the diameter of carbon fiber lead 326 it is extended with in the bottom of aforesaid carbon fiber wire lead 326, this stigma 3263 is configured to spring-loaded step surface 32631 with the position, boundary of carbon fiber wire lead 326, aforesaid spring 328 is nested with on stigma 3263, the upper end of this spring 328 is bearing on spring-loaded step surface 32631, and lower end is bearing on the chamber diapire of described spring cavity 3271.Preferably, the lower end of aforementioned positioning sleeve 327 is constituted the shape of nose cone 3273.
nullThe carbon fiber wire shear 33 of the structural system of aforementioned printing mechanism 3 includes motor cabinet 331、Motor 332、First、Second push broach guide rod seat 333、334 and push broach 335，Motor cabinet 321 uses motor cabinet to fix screw 3311 and is fixed on far-end turning arm 27，And it is corresponding with the pedestal 321 of aforementioned wire feeder 32，Motor 332 is fixed on motor cabinet 331 with horizontally-arranged state，The motor screw axle 3321 of this motor 332 is towards aforesaid pedestal 321，First、Second push broach guide rod seat 333、334 are fixed on far-end turning arm 27 with the state corresponded to each other，And correspond respectively to the both sides of push broach 335，As shown in Figure 2，First push broach guide rod seat 333 uses the first push broach guide rod seat to fix screw 3332 and fixes with far-end turning arm 27，Second push broach guide rod seat 334 uses the second push broach guide rod seat to fix screw 3342 and fixes with far-end turning arm 27.nullWherein: on the first push broach guide rod seat 333, be fixed with one first push broach guide rod 3331，And on the second push broach guide rod seat 334, it is fixed with one second push broach guide rod 3341，This is first years old、Second push broach guide rod 3331、3341 is the most parallel，Push broach 335 has a push broach to connect seat 3351 towards the side composition of motor 332，This push broach connects the middle part of seat 3351 also can claim screw rod axis hole by nut bore 3353() it is connected with motor screw axle 3321，Push broach connection seat 3351 is slidably matched towards one end of the first push broach guide rod seat 333 with the first push broach guide rod 3331，And push broach connects seat 3351 and is slidably matched with the second push broach guide rod 3341 towards one end of the second push broach guide rod seat 334，The side composition that push broach 335 fixes post holes 271 towards aforementioned printhead has the push broach blade 3352 for being cut off by carbon fiber wire.While aforesaid driving pressure electroceramics 324 and lower limit piezoelectric ceramics 325 shift up, by push broach blade 3352, carbon fiber wire 4 is cut off (i.e. cutting off).
Aforesaid motor 332 is connected with electric controller electrical control, and this motor 332 is the motor with rotating function, when motor 332 is in time working clockwise, push broach 335 is driven to fix the direction displacement of post holes 271 to aforementioned printhead by its motor screw axle 3321, being cut off by carbon fiber wire 4, vice versa.
In the beginning enabled, the carbon fiber wire 4(carbon fibre precursor of epoxy resin will be soaked with manually in advance) pass that upper limit piezoelectric ceramics draws a hole 3232, the driving pressure electroceramics of driving pressure electroceramics 324 draws a hole successively, the lower limit piezoelectric ceramics of lower limit piezoelectric ceramics 325 introduces pinch roller frame chamber 3111 after drawing a hole, lead thread eye 3262, positioning sleeve thread eye 3272 and carbon fiber thread eye 31311, and causes the carbon fiber wire groove 3122 of pinch roller 312.When implementing to print, by the program set, made far by linear electric motors 22, near-end turning arm 25 moves up and down, near-end turning arm 25 is made to rotate by near-end electric rotating machine 24, made far-end turning arm 27 rotate by far-end electric rotating machine 26, thus the printed material being introduced into by printhead 31 i.e. carbon fiber wire 4 prints required part under the heated condition of heater via 314 on object stage 11.
In print procedure, curved shape (Fig. 3 shows) due to the hole 3112 on pinch roller frame 311, thus carbon fiber wire 4 can be made to arrive at the adjacent hole 3112 of pinch roller 312(pinch roller 312 smoothly), it is in the shape of the letter V due to the shape of cross section of the carbon fiber wire groove 3122 on pinch roller 312 again, thus just carbon fiber wire 4 is defined in the center of carbon fiber wire groove 3122, being accurately positioned carbon fiber wire 4, pinch roller 312 applies certain pressure to carbon fiber wire 4 simultaneously.Having epoxy resin owing to carbon fiber wire 4 presoaks (dipping), then through the heating of heater 34, epoxy resin is molten condition, and under the pressure of pinch roller 312 and the cooling of fan 315, location solidification, avoids pinch roller 312 simultaneously and adhere to epoxy China fat.The push broach 335 of aforementioned carbon fiber wire shear 33 moves forward after touching positioning sleeve 327, by the upside at push broach blade 3352 position in the position of the circular cone head corresponding to nose cone 3273 by positioning sleeve 327 jack-up, spring 328 compresses and energy storage, carbon fiber wire 4 exposes, thus is cut off by carbon fiber wire 4 by push broach blade 3352.The reliability of ruggedness and shearing in order to increase push broach 335, push broach 335 uses tool steel to make.After carbon fiber wire 4 is cut off by push broach blade 3352, motor 332 reverse operation, making the push broach cutter position with regard to 3352 nose cones 3273 recessing positioning sleeve 327 of push broach 335, positioning sleeve 327 is also shot back under the restoring force effect of spring 328 fixes the friendly accessible state of post holes 271 to printhead.
In sum, the technical scheme that the present invention provides overcomes the shortcoming in prior art, completes invention task, embodies the technique effect referred in applicant's superincumbent technique effect hurdle objectively, and can yet be regarded as is a ultimate attainment technical scheme.
Claims (9)
1. print a 3D printer for carbon fiber, including a base (1), upper at this base (1) and be positioned at base (1) and be provided with one towards upper side for carrying the object stage (11) of printed matter；One drive mechanism (2), this drive mechanism (2) is arranged on described base (1)；nullOne printing mechanism (3)，This printing mechanism (3) is arranged in described drive mechanism (2)，It is characterized in that: described printing mechanism (3) includes printhead (31)、For feeding the wire feeder (32) of carbon fiber wire to printhead (31) and for the carbon fiber wire shear (33) cut off by the carbon fiber wire sent by wire feeder (32)，Printhead (31) is arranged in described drive mechanism (2)，Wire feeder (32) is arranged in drive mechanism (2) in the position of the top corresponding to printhead (31)，Carbon fiber wire shear (33) is arranged in drive mechanism (2) with wire feeder (32) and in the position of the side corresponding to wire feeder (32)，Described drive mechanism (2) includes straight-line electric support (21)、Linear electric motors (22)、Electric rotating support (23)、Near-end electric rotating machine (24)、Near-end turning arm (25)、Far-end electric rotating machine (26) and far-end turning arm (27)，Straight-line electric support (21) is fixed on described base (1) with longitudinal state，Linear electric motors (22) are arranged on the side of straight-line electric support (21) proximally facing turning arm (25)，Electric rotating support (23) is fixed on linear electric motors (22)，Near-end electric rotating machine (24) is fixed on electric rotating support (23)，And the near-end spin motor shaft (241) of this near-end electric rotating machine (24) is fixing with near-end turning arm (25) left end to be connected，The right-hand member of far-end electric rotating machine (26) and near-end turning arm (25) is fixed，And the far-end spin motor shaft (261) of this far-end electric rotating machine (26) is fixing with the left end of far-end turning arm (27) to be connected，And the right-hand member of far-end turning arm (27) corresponds to the top of described object stage (11) with horizontal boom state，The printhead (31) of described printing mechanism (3) be arranged on the right-hand member of described far-end turning arm (27) towards under side，And described wire feeder (32) and carbon fiber wire shear (33) are arranged on the right-hand member of far-end turning arm (27) towards upper side.
nullThe 3D printer of printing carbon fiber the most according to claim 1，It is characterized in that described linear electric motors (21) include one group of linear motor stator electric (221)、Linear motor rotor (222) and a pair linear electric motors guide rail (223)，One group of linear motor stator electric (221) is spaced, along the short transverse of described straight-line electric support (21), the side being fixed on straight-line electric support (21) towards described near-end turning arm (25) from top to bottom，Linear motor rotor (222) is slidably matched with a pair linear electric motors guide rail (223) when matching with one group of described linear motor stator electric (221)，And a pair linear electric motors guide rail (223) is parallel longitudinally of one another and fixing with described straight-line electric support (21) in the position of the both sides corresponding respectively to one group of linear motor stator electric (221)，Described electric rotating support (23) is fixed towards the side of described near-end turning arm (25) with linear motor rotor (222).
The 3D printer of printing carbon fiber the most according to claim 2, it is characterized in that upper at described linear motor rotor (222) and be fixed with linear motor rotor slide block (2221) in the position corresponding to a pair described linear electric motors guide rail (223), this linear motor rotor slide block (2221) is slidably matched with a pair linear electric motors guide rail (223)；One group of described linear motor stator electric (221) is Magnet.
nullThe 3D printer of printing carbon fiber the most according to claim 1，It is characterized in that at the right-hand member of described far-end turning arm (27) and offer a printhead in the position of the printhead (31) corresponding to described printing mechanism (3) and fix post holes (271)，Described printhead (31) includes pinch roller frame (311)、Pinch roller (312)、Seat (313) fixed by heater、Heater (314) and fan (315)，Pinch roller (312) is rotatably supported on pinch roller frame (311) by pressure wheel shaft (3121)，In the middle position of length direction of this pinch roller (312) and constitute around the circumferencial direction of pinch roller (312) and have the carbon fiber wire groove (3122) on a surface being depressed in pinch roller (312)，Heater is fixed seat (313) and is fixed on the pinch roller frame (311) side towards described far-end turning arm (27)，Fix the upper end of seat (313) at this heater to be constituted the printhead of the diameter having a diameter to fix seat (313) less than heater with narrow contracting state and fix post (3131)，By this printhead fix post (3131) probe into described printhead fix in post holes (271) by the right-hand member of pinch roller frame (311) and described far-end turning arm (27) towards under side fix，The axial central authorities fixing post (3131) at printhead offer a carbon fiber guide hole (31311)，This carbon fiber guide hole (31311) communicates with the pinch roller frame chamber (3111) of pinch roller frame (311) by way of the hole being opened in the axially central authorities that seat (313) fixed by heater，Pinch roller (312) described in carbon fiber wire that is that will be sent by described wire feeder (32) by this carbon fiber guide hole (31311) and that cut off by described carbon fiber shear (33) introducing，The middle position of heater (314) is constituted a heater-fastening-hole (3141)，This heater-fastening-hole (3141) is nested with to be fixed on seat (313) at described heater，Fan (315) be fixed on the right-hand member of far-end turning arm (27) towards under side，And the fan outlet (3151) of this fan (315) is corresponding with the side of described pinch roller (312)，The top that post holes (271) fixed by described wire feeder (32) with described printhead is corresponding，And described carbon fiber wire shear (33) fixes the left side of post holes (271) corresponding to printhead.
The 3D printer of printing carbon fiber the most according to claim 4, it is characterised in that be equipped with one or above heating rod (3142) and a temperature signal collection device (3143) on described heater (314)；Described fan (315) is piezo jet fan.
The 3D printer of printing carbon fiber the most according to claim 5, it is characterised in that described temperature signal collection device (3143) is temperature sensor.
nullThe 3D printer of printing carbon fiber the most according to claim 4，It is characterized in that described wire feeder (32) includes pedestal (321)、Mounting (322) fixed by piezoelectric ceramics、Upper limit piezoelectric ceramics (323)、Driving pressure electroceramics (324)、Lower limit piezoelectric ceramics (325)、Carbon fiber wire lead (326)、Positioning sleeve (327) and spring (328)，Pedestal (321) is fixed on the right-hand member of described far-end turning arm (27) towards upper side，And it is simultaneously corresponding to described printhead and fixes the right side of post holes (271)，Piezoelectric ceramics is fixed mounting (322) and is fixed on the top of pedestal (321)，Fix mounting (322) at this piezoelectric ceramics and be fixed with upper limit piezoelectric ceramics supporting arm (3221) successively with horizontal boom state from top to bottom towards the side of described carbon fiber wire shear (33)、One first flexible hinge (3222) and one second flexible hinge (3223)，This upper limit piezoelectric ceramics supporting arm (3221)、First flexible hinge (3222) and the second flexible hinge (3223) are on same longitudinal axis each other，Upper limit piezoelectric ceramics (323) is arranged on upper limit piezoelectric ceramics supporting arm (3221)，Driving pressure electroceramics (324) is located at the first flexible hinge (3222) and above and contacts with upper limit piezoelectric ceramics (323) in the position of the lower section corresponding to upper limit piezoelectric ceramics (323)，Lower limit piezoelectric ceramics (325) is arranged on the second flexible hinge (3223) and above and contacts with driving pressure electroceramics (324) in the position of the lower section corresponding to driving pressure electroceramics (324)，The top of carbon fiber lead (326) is constituted a lead fixed arm (3261)，The top of this lead fixed arm (3261) and described pedestal (321) is fixed，And match with positioning sleeve (327) in the bottom of carbon fiber lead (326)，And a lead thread eye (3262) is offered in the middle position of the short transverse of carbon fiber lead (326)，Positioning sleeve (327) is positioned at the left side of pedestal (321)，And the top of post holes (271) is fixed corresponding to described printhead，The upper end of this positioning sleeve (327) is constituted a spring cavity (3271)，The middle position of lower end offers a positioning sleeve thread eye (3272)，The upper end of this positioning sleeve thread eye (3272) communicates with spring cavity (3271)，Lower end is configured to thread eye outlet (32721) communicated with the external world，It is corresponding that this thread eye outlet (32721) fixes post holes (271) with described printhead，And it is the most corresponding with described carbon fiber guide hole (31311)，Spring (328) is positioned at spring cavity (3271) and is nested with the bottom in carbon fiber lead (326)，Match with positioning sleeve (327) in probeing into described spring cavity (3271) in the bottom of described carbon fiber wire lead (326).
The 3D printer of printing carbon fiber the most according to claim 7, it is characterized in that the stigma (3263) being extended with a diameter in the bottom of described carbon fiber wire lead (326) less than the diameter of carbon fiber lead (326), this stigma (3263) is configured to spring-loaded step surface (32631) with the position, boundary of carbon fiber wire lead (326), described spring (328) is nested with on stigma (3263), the upper end of this spring (328) is bearing on spring-loaded step surface (32631), and lower end is bearing on the chamber diapire of described spring cavity (3271).
nullThe 3D printer of printing carbon fiber the most according to claim 7，It is characterized in that described carbon fiber wire shear (33) includes motor cabinet (331)、Motor (332)、First、Second push broach guide rod seat (333、334) and push broach (335)，Motor cabinet (321) is fixed on described far-end turning arm (27)，Motor (332) is fixed on motor cabinet (331) with horizontally-arranged state，The motor screw axle (3321) of this motor (332) is towards described pedestal (321)，First、Second push broach guide rod seat (333、334) it is fixed on far-end turning arm (27) with the state corresponded to each other，And correspond respectively to the both sides of push broach (335)，Wherein: on the first push broach guide rod seat (333), be fixed with one first push broach guide rod (3331)，And on the second push broach guide rod seat (334), it is fixed with one second push broach guide rod (3341)，This is first years old、Second push broach guide rod (3331、3341) the most parallel，Push broach (335) has a push broach to connect seat (3351) towards the side composition of motor (332)，This push broach connects the middle part of seat (3351) and is connected with motor screw axle (3321)，Push broach connection seat (3351) is slidably matched towards one end of the first push broach guide rod seat (333) with the first push broach guide rod (3331)，And push broach connects seat (3351) and is slidably matched with the second push broach guide rod (3341) towards one end of the second push broach guide rod seat (334)，The side composition that push broach (335) fixes post holes (271) towards described printhead has the push broach blade (3352) for being cut off by carbon fiber wire.
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| CN201510040649.0A CN104552957B (en) | 2015-01-27 | 2015-01-27 | Print the 3D printer of carbon fiber |
| CN201610804775.3A CN106239776B (en) | 2015-01-27 | 2015-01-27 | A kind of 3D printer for being used to print carbon fiber |
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| CN102517791B (en) * | 2011-12-31 | 2014-09-24 | 机械科学研究总院先进制造技术研究中心 | Multidimensional weaving formation machine for composite materials |
| CN102990933B (en) * | 2012-12-13 | 2015-02-18 | 余金文 | Implementation method of selective laser sintering (SLS) technology and fiber implantation device |
| CN103112166B (en) * | 2013-02-17 | 2015-06-17 | 磐纹科技（上海）有限公司 | Extrusion device applied to fused deposition modeling high speed 3D (Three Dimensional) printer |
| EP2969538B1 (en) * | 2013-03-15 | 2019-10-30 | Seriforge Inc. | Method for producing composite preforms |
| US9579851B2 (en) * | 2013-03-22 | 2017-02-28 | Markforged, Inc. | Apparatus for fiber reinforced additive manufacturing |
| CN103878980B (en) * | 2014-03-21 | 2015-11-18 | 浙江大学 | A kind of three-dimensional printer of replaceable shower nozzle |
| CN103862679B (en) * | 2014-03-26 | 2016-02-03 | 朱兴建 | 3d printer |
| CN104085113B (en) * | 2014-07-08 | 2016-09-14 | 温州腾腾机电科技有限公司 | A kind of printhead of three-dimensional printer |
| CN104097326B (en) * | 2014-07-09 | 2016-08-24 | 西安交通大学 | A kind of fibre reinforced composites multiple degrees of freedom 3D printer and Method of printing thereof |
| CN104290330B (en) * | 2014-10-31 | 2017-07-04 | 珠海天威飞马打印耗材有限公司 | A kind of 3D printer and Method of printing |
-
2015
- 2015-01-27 CN CN201510040649.0A patent/CN104552957B/en not_active Expired - Fee Related
- 2015-01-27 CN CN201610646257.3A patent/CN106217878B/en active Active
- 2015-01-27 CN CN201610804775.3A patent/CN106239776B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106239776B (en) | 2018-04-13 |
| CN104552957A (en) | 2015-04-29 |
| CN106217878A (en) | 2016-12-14 |
| CN106217878B (en) | 2019-01-04 |
| CN106239776A (en) | 2016-12-21 |
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