CN106239776B - A kind of 3D printer for being used to print carbon fiber - Google Patents
A kind of 3D printer for being used to print carbon fiber Download PDFInfo
- Publication number
- CN106239776B CN106239776B CN201610804775.3A CN201610804775A CN106239776B CN 106239776 B CN106239776 B CN 106239776B CN 201610804775 A CN201610804775 A CN 201610804775A CN 106239776 B CN106239776 B CN 106239776B
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- Prior art keywords
- carbon fiber
- fixed
- printhead
- piezoelectric ceramics
- wire
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Classifications
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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
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
Abstract
A kind of 3D printer for being used to print carbon fiber, belongs to melting fused deposition rapid moulding equipment technical field.Including base, upper side is provided with objective table on base and positioned at base；Driving mechanism, is located on base；Printing mechanism, is located in driving mechanism, feature：Printing mechanism includes the carbon fiber wire shear that printhead, the wire feeder for feeding carbon fiber wire to printhead and the carbon fiber wire for will be sent out by wire feeder are cut, printhead is located in driving mechanism, wire feeder is located in driving mechanism in the position of the top corresponding to printhead, and carbon fiber wire shear is located in driving mechanism with wire feeder and in the position of the side corresponding to wire feeder.Reliably conveyed from wire feeder using stable with the carbon fiber wire of consumptive material as printing to the direction of printhead and will not cause crimp to carbon fiber wire in course of conveying；Ensure that printhead smoothly prints；It can meet the printing requirement to carbon fiber product.
Description
The application is entitled：Print 3D printer, the Application No. of carbon fiber：201510040649.0, the applying date be：
The divisional application of the application for a patent for invention on January 27th, 2015.
Technical field
The invention belongs to melting fused deposition rapid moulding equipment technical field, and in particular to a kind of 3D for being used to print carbon fiber
Printer.
Background technology
Due to 3D printing, to combine digital modeling techniques, Electromechanical Control technology, information technology, material science and chemistry etc. all
The cutting edge technology knowledge of aspect, makes it possible that the personalized of big specification produces and lead the great of global manufacturing economy
Change, thus be concerned by people extensively.Printing mechanism is the core equipment of 3D printing, it is using digital model file as base
Plinth uses consumptive material（Consumptive material is such as：Powdered metal material, plastics, ceramics, sand etc can jointing material）Pass through what is successively printed
Mode builds object, i.e., under control of the computer according to the threedimensional model direct forming 3D solid of workpiece, without traditional
The equipment and its moulds of industrial equipment of machining tool etc, frock clamp etc..For the species of 3D printer, that is, 3D printing equipment, mesh
Before be generally divided into three classes：One is molded for resin melting；Two be Stereolithography；Three be to pay light metal forming.
Above mentioned carbon fiber is high intensity, high-modulus new fiber materials of a kind of phosphorus content about more than 95%, by
In it, with soft outside but hard inside, quality, but intensity lighter than metallic aluminium is situated between higher than steel, excellent anti-corrosion performance, specific heat and electric conductivity
Superhigh temperature resistant, endurance, thermal coefficient of expansion be small between metal, under non-oxidizing atmosphere and anisotropy is good, heat conduction in nonmetallic
The features such as excellent performance and good electromagnetic wave shielding, thus in such as aerospace, national defence, automobile, wind-power electricity generation, building, doctor
Treat apparatus and the field such as civilian is widely used.With carbon cloth that is daily seen and being applied to industry and build
（Also referred to as carbon fiber sheet）Exemplified by, its manufacturing process is：First by carbon fiber impregnation, then successively laying and suppressed, then drawn
Enter apparatus for baking baking molding.The manufacturing process causes product price to hold high since process procedure is more, efficiency is low, energy consumption is big
It is expensive.Especially when using carbon fiber manufacture complicated parts, not only of high cost but also manufacture efficiency is difficult to meet industrialization
Amplify production requirement.
The technical information on 3D printer can be seen in disclosed Chinese patent literature, as application for a patent for invention is announced
Number CN103317726A recommends have " nozzle gearing mechanism of 3D printer and the 3D printer with the mechanism ", and for example authorizes public
Announcement 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, which is introduced, to be had " 3D printer ", etc..But in China and foreign countries' patent disclosed so far and non-patent literature
It is showed no all technical information for obtaining the 3D printer for printing carbon fiber.Specifically, if a kind of rational in infrastructure
It can be used for the 3D printer for printing carbon fiber, then all technique as the aforementioned present in traditional carbon fiber manufacture is tired of
It is trivial, efficiency is low, the problem of fastidious property of the parts of complicated shape and construction, of high cost etc can be eliminated.Theoretically
Say, since the 3D printer in prior art is for printing the material of PLA, ABS etc and technology barrier being not present, then by 3D
Printer printing carbon fiber seems will not there is puzzlement.It is following due to being not limited to but the experiment through the applicant shows
Factor and substantive and informal improvement must be subject to the printing mechanism of the 3D printer in prior art；Beaten first, being used as
The carbon fiber for printing material is pre- dipped carbon fibre precursor, larger with the materials variances of PLA, ABS etc；Second, to printing
Crimp cannot occur during the printhead wire feed of mechanism and be necessary to ensure that wire feed is stablized with reliable third, since carbon is fine
Dimension have high temperature tolerance will not for example be melted at a temperature of 100 degree, thus need section gather ground disjunction feed, example
Printhead is fed to after such as being sheared by cutting member one by one；Fourth, carbon fiber need to be applied while printhead prints suitable
The pressure of degree, otherwise occurs lamination, influences the entirety combination effect of product, etc. after shaping.
For above-mentioned prior art, the applicant has made actively effectively to design, and forms and will be described below finally
Technical solution, and experiment is simulated in the case where taking secrecy provision, is as a result proved to be practicable.
The content of the invention
The task of the present invention, which is to provide, a kind of to be helped to stablize and reliably that the direction of carbon fiber wire to printhead is defeated
Send and can avoid causing carbon fiber wire crimp, be conducive to that carbon fiber wire is sheared and had during printhead prints
The 3D printer for being used to print carbon fiber beneficial to applying modest pressure to carbon fiber wire while printhead prints.
The task of the present invention is so to complete, a kind of 3D printer for being used to print carbon fiber, including a base,
An objective table for being used to carry printed matter is provided with the base and positioned at base towards upper side；One driving mechanism, should
Driving mechanism is arranged on the base；One printing mechanism, the printing mechanism are arranged in the driving mechanism, and feature exists
In：The printing mechanism includes printhead, the wire feeder for feeding carbon fiber wire to printhead and for will be by wire feed
The carbon fiber wire shear that the carbon fiber wire that device is sent out is cut, printhead are arranged in the driving mechanism, wire feed dress
Put and be arranged in the position of the top corresponding to printhead in driving mechanism, carbon fiber wire shear with wire feeder simultaneously
And it is arranged in the position of the side corresponding to wire feeder in driving mechanism.
In the specific embodiment of the present invention, the driving mechanism includes straight-line electric engine base, linear motor, rotation
Rotating motor seat, near-end electric rotating machine, near-end rotating arm, distal end electric rotating machine and distal end rotating arm, straight-line electric engine base is with longitudinal shape
State is fixed on the base, and linear motor is arranged on the side of the proximally facing rotating arm of straight-line electric engine base, and electric rotating engine base is consolidated
It is scheduled on linear motor, near-end electric rotating machine is fixed on electric rotating engine base, and the near-end electric rotating of the near-end electric rotating machine
Arbor is fixedly connected with near-end rotating arm left end, and distal end electric rotating machine and the right end of near-end rotating arm are fixed, and the distal end is revolved
The distal end spin motor shaft of rotating motor is fixedly connected with the left end of distal end rotating arm, and the right end of distal end rotating arm is with horizontal boom
State corresponds to the top of the objective table, and the printhead of the printing mechanism is arranged on the right end court of the distal end rotating arm
Downward side, and the wire feeder and carbon fiber wire shear is arranged on the right end of distal end rotating arm towards upper
Side.
In another specific embodiment of the present invention, the linear motor includes one group of linear motor stator electric, straight
Line electric mover and a pair of of linear motor guide rail, one group of linear motor stator electric is along the short transverse of the straight-line electric engine base from upper
And straight-line electric engine base is fixed on towards the side of the near-end rotating arm in lower interval, linear motor rotor is straight with described one group
Line motor stator is slidably matched in the state of being engaged with a pair of of linear motor guide rail, and a pair of of linear motor guide rail is longitudinally of one another
Fixed parallel and with the straight-line electric engine base in the position for corresponding respectively to the both sides of one group of linear motor stator electric, the rotation
Rotating motor seat and the side of linear motor rotor towards the near-end rotating arm are fixed.
In another specific embodiment of the present invention, on the linear motor rotor and corresponding to described
The position of a pair of of linear motor guide rail be fixed with linear motor rotor sliding block, the linear motor rotor sliding block and a pair of of straight-line electric
Machine guide rail is slidably matched；One group of linear motor stator electric is magnet.
The present invention another specific embodiment in, the distal end rotating arm right end and corresponding to described
The position of the printhead of printing mechanism offers a printhead fixing post hole, and the printhead includes pinch roller frame, pinch roller, heating
Device fixed seat, heater and fan, pinch roller are rotatably supported on pinch roller frame by pressure wheel shaft, in the length direction of the pinch roller
Middle position and form around the circumferencial direction of pinch roller and have the carbon fiber wire groove on a surface for being depressed in pinch roller, heater is solid
Reservation is fixed on pinch roller frame towards the side of the distal end rotating arm, is formed in the upper end of the heater fixed seat with narrow contracting state
The printhead fixed column for having a diameter to be less than the diameter of heater fixed seat, the printhead is probeed into by the printhead fixed column
Fixed in fixing post hole and by side of the right end of pinch roller frame and the distal end rotating arm under, in the axis of printhead fixed column
A carbon fiber guide hole is offered to center, the carbon fiber guide hole is by way of the hole in the axial center for being opened in heater fixed seat
Communicated with the pinch roller frame chamber of pinch roller frame, will be being sent out by the wire feeder and fine by the carbon by the carbon fiber guide hole
To tie up the carbon fiber wire that shear is cut and introduce the pinch roller, the middle position of heater, which is formed, a heater-fastening-hole,
The heater-fastening-hole is nested with the heater fixed seat, and fan is fixed on one of the right end of distal end rotating arm under
Side, and the fan outlet of the fan is corresponding with the side of the pinch roller, and the wire feeder is consolidated with the printhead
The top in fixed column hole is corresponding, and the carbon fiber wire shear corresponds to the left side of printhead fixing post hole.
The present invention also have a specific embodiment in, be equipped with the heater one or more plus
Hot pin and a temperature signal collection device；The fan is piezo jet fan.
In a still more specific embodiment of the invention, the temperature signal collection device is temperature sensor.
The present invention's and then in a specific embodiment, the wire feeder includes pedestal, piezoelectric ceramics is fixed
Mounting, upper limit piezoelectric ceramics, driving piezoelectric ceramics, lower limit piezoelectric ceramics, carbon fiber wire lead, positioning sleeve and spring,
Pedestal is fixed on the right end of the distal end rotating arm towards upper side, while corresponding to the printhead fixing post hole
Right side, piezoelectric ceramics fix the top that mounting is fixed on pedestal, fix mounting in the piezoelectric ceramics and are cut towards the carbon fiber wire
The side of cutting apparatus is fixed with a upper limit piezoelectric ceramics supporting arm, one first flexibility successively with horizontal boom state from top to bottom
Hinge and one second flexible hinge, upper limit piezoelectric ceramics supporting arm, the first flexible hinge and second flexible hinge are located each other
In on same longitudinal axis, upper limit piezoelectric ceramics is arranged on upper limit piezoelectric ceramics supporting arm, and driving piezoelectric ceramics is in correspondence
It is located on the first flexible hinge and is contacted with upper limit piezoelectric ceramics, lower limit in the position of the lower section of upper limit piezoelectric ceramics
Piezoelectric ceramics is arranged on the second flexible hinge in the position of the lower section corresponding to driving piezoelectric ceramics and makes pottery with driving piezoelectricity
Porcelain contacts, and the top of carbon fiber lead, which is formed, a lead fixed arm, the top of the lead fixed arm and the pedestal
It is fixed, and the lower part of carbon fiber lead is engaged with positioning sleeve, and the central position of the short transverse in carbon fiber lead
To put and offer a lead thread eye, positioning sleeve is located at the left side of pedestal, and corresponding to the upper of the printhead fixing post hole
Side, the upper end of the positioning sleeve, which is formed, a spring cavity, and the middle position of lower end offers a positioning sleeve thread eye, which leads
The upper end of wire hole is communicated with spring cavity, lower end be configured to the seal wire hole exits that communicate of the external world, the seal wire hole exits with it is described
Printhead fixing post hole is corresponding, while corresponding with the carbon fiber guide hole, spring be located in spring cavity and
It is nested with the lower part of carbon fiber lead, the lower part of the carbon fiber wire lead is probeed into the spring cavity to match with positioning sleeve
Close.
In yet a further embodiment of the present invention one is extended with the lower part of the carbon fiber wire lead
Diameter is less than the column cap of the diameter of carbon fiber lead, and the boundary position of the column cap and carbon fiber wire lead is configured to spring branch
Cushion cap terrace, the spring are nested with column cap, and the upper end of the spring is supported on spring-loaded step surface, and lower end is supported on
On the bottom of chamber wall of the spring cavity.
The present invention again so that a specific embodiment in, the carbon fiber wire shear include motor cabinet,
Motor, first, second push broach guide rod seat and push broach, motor cabinet are fixed on the distal end rotating arm, and motor is consolidated with horizontally-arranged state
It is scheduled on motor cabinet, the motor screw axis of the motor is towards the pedestal, and first, second push broach guide rod seat is to correspond to each other
State is fixed on the rotating arm of distal end, and corresponds respectively to the both sides of push broach, wherein：It is fixed with the first push broach guide rod seat
One first push broach guide rod, and one second push broach guide rod is fixed with the second push broach guide rod seat, the first, second push broach guide rod that
This is laterally parallel, and push broach is formed towards the side of motor a push broach connecting seat, the middle part of the push broach connecting seat and motor screw
Axis connection, one end of push broach connecting seat towards the first push broach guide rod seat is slidably matched with the first push broach guide rod, and push broach connecting seat
Be slidably matched towards one end of the second push broach guide rod seat with the second push broach guide rod, push broach towards the printhead fixing post hole one
Side forms the push broach blade for being useful for cutting off carbon fiber wire.
Technical solution provided by the invention by wire feeder using stable as the carbon fiber wire of printing consumptive material and reliably
Conveyed to the direction of printhead and will not cause crimp to carbon fiber wire in course of conveying；Due to being equipped with carbon fiber
Silk shear, thus the carbon fiber wire sent out by wire feeder can be cut and use and ensure that printhead smoothly prints；Due to
Printhead applies extruding force to carbon fiber wire at the same time during printing, thus can meet that the printing to carbon fiber product will
Ask.
Brief description of the drawings
Fig. 1 is the embodiment of the present invention schematic diagram.
Fig. 2 is the dimensional decomposition structure figure of the printing mechanism shown in Fig. 1.
Fig. 3 is the partial sectional view of Fig. 2.
Embodiment
In order to enable the auditor of the Patent Office especially public that the technical spirit of the present invention is more clearly understood and have
Beneficial effect, applicant will elaborate by way of examples below, but the description to embodiment is not to this hair
The limitation of bright scheme, any only formal but not substantive equivalent transformation according to made by present inventive concept all should
It is considered as technical scheme category.
Every directionality for being related to upper, lower, left, right, front and rear in the following description（Or claim directionality）Concept
It is for the location of the figure being described state, it is therefore intended that facilitate public understanding, thus cannot be by it
It is interpreted as being particularly limited to technical solution provided by the invention.
Fig. 1 is referred to, it is as follows provided by the present invention for printing the structural system of 3D printer of carbon fiber：Including a bottom
Seat 1, an objective table 11 for being used to carry printed matter, the load are provided with the base 1 and positioned at base 1 towards upper side
Thing platform 11 can also claim print platform, and preferable scheme can also set one group of base to soar flange in the bottom interval of base 1；One
Driving mechanism 2（Also printhead driving mechanism can be claimed, it is the same below）, which is arranged on base 1；One printing mechanism 3,
The printing mechanism 3 is arranged in foregoing driving mechanism 2.In the present embodiment, foregoing base 1 and objective table 11 thereon
Shape is in the shape of disc, but can also use other shapes, for example with the shape of cuboid or square etc, because
And the technical connotation of the present invention cannot be limited because of the change of the geometry of base 1.
Please continue to refer to Fig. 1, the structure that is preferred rather than being definitely limited to of foregoing driving mechanism 2 is as follows：Including linear motor
Seat 21, linear motor 22, electric rotating engine base 23, near-end electric rotating machine 24, near-end rotating arm 25, distal end electric rotating machine 26 and distal end
Rotating arm 27, straight-line electric engine base 21 are fixed on base 1 in the edge corresponding to said base 1 with longitudinal state, that is, are hung down
Directly fixed in base 1, linear motor 22 is arranged on the side of the proximally facing rotating arm 25 of straight-line electric engine base 21（Position shown in Fig. 1
The right side of state）, electric rotating engine base 23 is fixed on linear motor 22 by electric rotating engine base screw 231, near-end electric rotating machine
24 are fixed on electric rotating engine base 23 using near-end electric rotating machine fixing screws 242, and the near-end of the near-end electric rotating machine 24
Spin motor shaft 241 is fixedly connected with 25 left end of near-end rotating arm, and distal end electric rotating machine 26 fixes spiral shell by distal end electric rotating machine
Nail 262 and the right end of near-end rotating arm 25 are fixed, and the distal end spin motor shaft 261 of the distal end electric rotating machine 26 is revolved with distal end
The left end of pivoted arm 27 is fixedly connected, and the right end of distal end rotating arm 27 corresponds to the upper of the objective table 11 with horizontal boom state
Side, foregoing printing mechanism 3 are arranged on the right end of distal end rotating arm 27.From described above and combine Fig. 1：Foregoing is remote
End rotating arm 27 forms gradient relation each other with near-end rotating arm 25, i.e. the level height of distal end rotating arm 27 is rotated less than near-end
The level height of arm 25.
Since the present embodiment has used dual rotary movement, i.e., due to there is remote, near-end rotating arm 27,25 and remote, near-end
Electric rotating machine 26,24, thus make present invention shows the polar topology layout of articulated robot, by controlling distal end to revolve
The up and down motion of the angle of pivoted arm 27 and the angle of near-end rotating arm 25 and linear motor 22 highly realizes 3D printing, abandons
The motor pattern of traditional cartesian coordinate formula, the 3D printing in space needed for realization.This structure of the present invention is very succinct
Compact, print speed is fast and space availability ratio is high.Furthermore, it is possible to the straight-line electric by the structural system of foregoing driving mechanism 2
Engine base 21 is considered as print job platform, and near-end rotating arm 25 is revolved with the near-end spin motor shaft 41 of near-end electric rotating machine 24 for the center of circle
Transhipment is dynamic, and distal end rotating arm 27 is rotated with the distal end spin motor shaft 261 of distal end electric rotating machine 26 for the center of circle.
Continue to see Fig. 1, foregoing linear motor 21 includes one group of linear motor stator electric 221, linear motor rotor 222 and one
To linear motor guide rail 223, one group of linear motor stator electric 221 along aforesaid rectilinear motor cabinet 21 short transverse from top to bottom
（It can also claim from bottom to top）The side of the proximally facing rotating arm 25 of straight-line electric engine base 21, linear motor rotor are fixed in interval
222 are slidably matched in the state of being engaged with one group of linear motor stator electric 221 with a pair of of linear motor guide rail 223, and a pair of
Linear motor guide rail 223 is parallel longitudinally of one another and is adopted in the position for the both sides for corresponding respectively to one group of linear motor stator electric 221
Fixed with fixing screws 2231 and straight-line electric engine base 21, foregoing electric rotating engine base screw 231 and 222 direction of linear motor rotor
The side of near-end rotating arm 25 is fixed.On foregoing linear motor rotor 222 and corresponding to a pair of of linear motor guide rail
223 position is fixed with linear motor rotor sliding block 2221（It is a pair of）, the linear motor rotor sliding block 2221 and a pair of of straight-line electric
Machine guide rail 223 is slidably matched.
By described above, it is magnet that can certainly determine one group of foregoing linear motor stator electric 221.And due to
Driving mechanism 2 is dual rotation type driving mechanism（Pass through remote, near-end electric rotating machine 26,24）, thus the present invention is used to print carbon fibre
The 3D printer of dimension shows as the 3D printer for being used to print carbon fiber of dual rotation type.However, it is possible to so that the present invention shows
Beaten for single revolving 3D for being used to print carbon fiber for being used to printing the 3D printer of carbon fiber or showing as non-rotating
Print machine, etc..With regard to single revolving for for printing the 3D printer of carbon fiber, distal end electric rotating machine 26 and distal end can be saved
Foregoing printing mechanism 3, is transferred to the right end of near-end rotating arm 25 by rotating arm 27.With regard to non-rotating for printing carbon fiber
3D printer for, remove remote, near-end rotating arm 27,25, remote, near-end electric rotating machine 26,24 and by electric rotating engine base 23
Make rational modification and use make foregoing printing mechanism 3 be arranged at rational modification after electric rotating engine base 23 on, in such case
Under, electric rotating engine base 23 has substantially evolved into one end（Such as left end）Fixed and the other end with linear motor rotor 222（Such as the right side
End）Printing mechanism support plate for setting printing mechanism 3.It follows that in the present invention, for the structure of driving mechanism 2
System has no special limitation, and form shown in Fig. 1 is only a kind of preferred rather than unique form, more particularly, as long as incite somebody to action this
The structure type for inventing the printing mechanism 3 being described in detail below is used for 3D printer, then should all be considered as the present invention
Technology contents category.
Refer to Fig. 2 and Fig. 3 and combine Fig. 1, as the technical essential of technical solution provided by the invention, foregoing beats
Printing mechanism 3 includes printhead 31, the wire feeder 32 for feeding carbon fiber wire to printhead 31 and for will be by wire feeder
32 carbon fiber wires sent out are cut（Cut off）Carbon fiber wire shear 33, printhead 31 is arranged on foregoing driving mechanism
On 2 distal end rotating arm 27, wire feeder 32 is arranged on the distal end of driving mechanism 2 in the position of the top corresponding to printhead 31
On rotating arm 27, carbon fiber wire shear 33 is with wire feeder 32 and in the position of the side corresponding to wire feeder 32
Put on the distal end rotating arm 27 for being similarly disposed at driving mechanism 2.
As shown in Fig. 2 and Fig. 3, the printhead 31 of foregoing printing mechanism 3 is arranged on the right end court of aforementioned distal rotating arm 27
Downward side, and foregoing wire feeder 32 and carbon fiber wire shear 33 is arranged on the right end court of distal end rotating arm 27
Upward side.
Please emphasis see Fig. 2 and Fig. 3, aforementioned distal rotating arm 27 right end and corresponding to foregoing printing mechanism 3
The position of the printhead 31 of structural system offers a printhead fixing post hole 271, and printhead 31 includes pinch roller frame 311, pinch roller
312nd, heater fixed seat 313, heater 314 and fan 315, pinch roller 312 is by pressure wheel shaft 3121 corresponding to pinch roller frame
The position of 311 pinch roller frame chamber 3111 is rotatably supported on pinch roller frame 311, in the lean-with of the length direction of the pinch roller 312
The circumferencial direction put and surround pinch roller 312 forms the carbon fiber wire groove 3122 for having a surface for being depressed in pinch roller 312, pinch roller
312 material scribbles the pinch roller of polytetrafluorethylecoatings coatings preferably using polytetrafluoroethylene (PTFE) pinch roller or surface.Heater fixed seat
313 are fixed on pinch roller frame 311 towards the side of distal end rotating arm 27（Towards upper side）, in the heater fixed seat 313
Upper end is formed printhead fixed column 3131 of the diameter less than the diameter of heater fixed seat 313 with narrow contracting state, by this
Printhead fixed column 3131 probe into foregoing printhead fixing post hole 271 and by pinch roller frame 311 and aforementioned distal rotating arm 27
Side of the right end under is fixed, and a carbon fiber guide hole 31311 is offered in the axial center of printhead fixed column 3131, should
Carbon fiber guide hole 31311 is by way of the hole in the axial center for being opened in heater fixed seat 313 and the pinch roller of foregoing pinch roller frame 311
Frame chamber 3111 communicates, will be sending out by foregoing wire feeder 32 and by foregoing carbon fiber by the carbon fiber guide hole 31311
The carbon fiber wire that shear 33 is cut introduces pinch roller 312, and the middle position of heater 314, which is formed, a heater-fastening-hole
3141, which is nested with heater fixed seat 313, fan 315 by fan fixed plate 3152 and
The fan base 272 of side of the right end for defaulting in distal end rotating arm 27 under is fixed on using fan fixation plate bolt 31521
On, and the side of the fan outlet 3151 of the fan 315 and foregoing pinch roller 312（The left surface of diagram state）It is corresponding.
Foregoing wire feeder 32 is corresponding with the top of printhead fixing post hole 271, and foregoing carbon fiber wire shear 33 is right
Should be in the left side of printhead fixing post hole 271.
As shown in Figure 2, it is equipped with one on foregoing heater 314（It can also be two or more）Heating rod 3142
With a temperature signal collection device 3143.Preferably, foregoing fan 315 is piezo jet fan；Preferably, foregoing temperature letter
Number collector 3143 is temperature sensor, is connected by circuit with electric controller electrical control, and fan 315 is equally by circuit and electricity
Airgun controller electrical control connects, foregoing 2 same example of driving mechanism.
Foregoing piezo jet fan uses double piezoelectric principles, thus can be referred to as " double piezoelectricity cooling injection wind
Fan ", and since double piezoelectricity cooling injection fans belong to radiator category, thus one can be understood as and sprayed to electronic equipment
Penetrate the miniflow bellows of high-speed air.This piezo jet fan is to take the lead in releasing by GE companies of General Electric (U.S.A.), abbreviation DCJ
（Full name：DualPiezoelectrucCoolingJets）, thickness is only 4 ㎜, and power consumption can subtract relative to bearing blade fan
It is more than one times few, but radiating efficiency improves more than ten times, available for ultrathin tablet computer of future generation and ultrathin notebook
In computer.Present inventor is applied to 3D printer, the experiment proved that the curing rate for accelerating melted material
With good positive effect.Applicant it should be noted that：If by blade fan（That is bearing blade fan）Substitute
Piezo jet fan, then should be considered as equivalent substitution.
The wire feeder 32 of the structural system of foregoing printing mechanism 3 include pedestal 321, piezoelectric ceramics fix mounting 322, on
Spacing piezoelectric ceramics 323, driving piezoelectric ceramics 324, lower limit piezoelectric ceramics 325, carbon fiber wire lead 326, positioning sleeve 327
With spring 328, pedestal 321 is fixed on the right end of aforementioned distal rotating arm 27 towards upper one using pedestal fixing screws 3211
Side, while corresponding to the right side of foregoing printhead fixing post hole 271, piezoelectric ceramics fixes mounting 322 corresponding to default
In the position of the fixation mounting screw hole 3212 at the top of pedestal 321, fixed mounting screw 3224 is fixed on the top of pedestal 321
Portion, mounting 322 is fixed towards the side of foregoing carbon fiber wire shear 33 in the piezoelectric ceramics（Location status i.e. shown in Fig. 3
Left side）It is flexible that a upper limit piezoelectric ceramics supporting arm 3221, one first is fixed with horizontal boom state successively from top to bottom
3222 and 1 second flexible hinge 3223 of hinge, the upper limit piezoelectric ceramics supporting arm 3221, the first flexible hinge 3222 and
Two flexible hinges 3223 are each other on same longitudinal axis.According to shown in Fig. 2 Fig. 3, upper limit piezoelectric ceramics supporting arm 3221 is logical
Supporting arm fixing screws 32211 are crossed to fix with piezoelectric ceramics fixation mounting 322；First flexible hinge 3222 passes through the first flexible hinge
Chain fixing screws 32221 are fixed mounting 322 with piezoelectric ceramics and are fixed；Second flexible hinge 3223 is fixed by the second flexible hinge
Screw 32231 is fixed mounting 322 with piezoelectric ceramics and is fixed.Upper limit piezoelectric ceramics 323 is arranged on the supporting of upper limit piezoelectric ceramics
On arm 3221, driving piezoelectric ceramics 324 is located at the first flexible hinge in the position of the lower section corresponding to upper limit piezoelectric ceramics 323
Contacted on 3222 and with upper limit piezoelectric ceramics 323, lower limit piezoelectric ceramics 325 is corresponding to driving piezoelectric ceramics 324
The position of lower section is arranged on the second flexible hinge 3223 and is contacted with driving piezoelectric ceramics 324.Upper limit piezoelectric ceramics 323
It is connected by upper limit piezoelectric ceramics control line 3231 with above mentioned electric controller electrical control；Drive piezoelectric ceramics 324
It is connected by driving piezoelectric ceramics control line 3241 with electric controller electrical control；Lower limit piezoelectric ceramics 325 is by lower limit pressure
Electroceramics control line 3251 is connected with electric controller electrical control.The top of carbon fiber lead 326, which is formed, a lead
Fixed arm 3261, the lead fixed arm 3261 is using fixed arm screw 32611 corresponding to the top for being preset in pedestal 321
The position of fixed arm screw hole 3213 and the top of pedestal 321 are fixed, and the lower part of carbon fiber lead 326 and positioning sleeve 327
It is engaged, makees that guidance quality is spacing to positioning sleeve 327, and the middle position of the short transverse in carbon fiber lead 326 opens up
There is a lead thread eye 3262, positioning sleeve 327 is located at the left side of pedestal 321, and corresponds to foregoing printhead fixing post hole
271 top, the upper end of the positioning sleeve 327, which is formed, a spring cavity 3271, and the middle position of lower end offers a positioning sleeve and leads
Wire hole 3272, the upper end of the positioning sleeve thread eye 3272 are communicated with spring cavity 3271, and lower end is configured to the seal wire communicated with the external world
Hole exits 32721, the seal wire hole exits 32721 are corresponding with foregoing printhead fixing post hole 271, while with it is foregoing
Carbon fiber guide hole 31311 is corresponding.Spring 328 is located in spring cavity 3271 and is nested with carbon fiber lead 326
Portion, the lower part of foregoing carbon fiber wire lead 326 is probeed into the spring cavity 3271 to be engaged with positioning sleeve 327, to positioning sleeve
The guiding role of 327 seizing on both sides by the arms property because when carbon fiber wire shear 33 shears carbon fiber wire 4, positioning sleeve 327 be to
It is upper movable, and be downward activity under the action of spring 328.
In fig. 2 it is shown that the upper limit piezoelectric ceramics in the center of upper limit piezoelectric ceramics 323 draws wire hole 3232, driving
The center of piezoelectric ceramics 324 and lower limit piezoelectric ceramics 325 and drawing wire hole 3232 corresponding to upper limit piezoelectric ceramics
Position equally offers driving piezoelectric ceramics and draws wire hole and lower limit piezoelectric ceramics draws wire hole respectively（Not shown in figure）.
According to professional general knowledge：Piezoelectric ceramics just has piezoelectric property after having to pass through polarization.So-called polarization（Poling）
It 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, it is also known as artificial
Polarization process, or poling processing.
Measuring technology shows that the POLARIZATION MECHANISM of piezoelectric ceramics depends on its internal structure with theory analysis.Piezoelectric ceramics is
Irregularly " inlayed " and formed by many little crystal grains.Each little crystal grain can be seen as a small monocrystalline, wherein atom（Ion）All
It is regular（Periodically）Arrangement, form lattice, lattice is made of repetitive unit, that is, structure cell one by one again.Thus it is called more
Crystal.Structure cell is at a certain temperature（T ＜ TC）Its positive and negative charge center is misaligned, produces spontaneous polarization Ps, and polarization direction is from negative
Charge-site is directed toward center of positive charge.The lattice direction of crystal grain and crystal grain is not necessarily identical, is still chaotic, random from entirety
Then.In order to make piezoelectric ceramics be in energy（Electrostatic energy and elastic energy）Minimum state, just occurs some zonules in crystal grain,
Structure cell spontaneous polarization has identical direction in each zonule, but the spontaneous polarization direction between adjacent domain is then different.It is spontaneous
The consistent region of polarization direction is known as electricdomain, and monolithic ceramic includes many electricdomains.
The effect of artificial polarization processing is exactly on piezoelectric ceramics plus a sufficiently high DC electric field, and is kept necessarily
Temperature and time, forces its electricdomain to turn to, forces its spontaneous polarization to align in other words.
Before polarization, there are the electricdomain that many spontaneous polarization directions are different in each crystal grain, the polarization intensity in ceramics is zero.Pole
When changing processing, crystal grain can form single domain, and spontaneous polarization is arranged along outer field direction as far as possible.After polarization process, external electric field zero, by
In internal restoring force（Such as polarize generation internal stress release）Effect, each crystal grain spontaneous polarization can only press to a certain extent
Former dispatch from foreign news agency field direction is orientated, and the polarization intensity in ceramics is no longer zero.This polarization intensity, is known as remanent polarization.
As shown in the above description, only under polarized electric field effect, electricdomain could be orientated and arrange polarization condition along direction of an electric field
Row, so it is the principal element in polarization condition.Polarized electric field is higher, promotes the effect that electricdomain arranges bigger, polarization is more filled
Point.
The upper limit piezoelectric ceramics 323 of the foregoing wire feeder 32 of the present invention is radial polarised, is produced after impressed DC voltage
Radial contraction, to the carbon fiber wire 4 as printing consumables by Fig. 2 and Fig. 3 signals during contraction（The carbon of pre- dipped epoxy resin is fine
The former line of dimension）Banding, prevents carbon fiber 4 from moving on or extracting out.Accordingly, foregoing upper limit piezoelectric ceramics draw wire hole 3232 can
To be interpreted as shrinkage hole.Foregoing driving piezoelectric ceramics 324 is radial polarization, after impressed DC voltage can with axial elongation, by
Blocked in the top of driving piezoelectric ceramics 342 by upper limit piezoelectric ceramics 323（It is i.e. spacing）, thus can only move downward and promote
Lower limit piezoelectric ceramics 325, since driving piezoelectric ceramics 324 and lower limit piezoelectric ceramics 325 are respectively arranged at（It is fixed on）The
First, the second flexible hinge 3222,3223, thus can freely move up and down under the effect of external force.Lower limit piezoelectric ceramics 325
And radial polarised, can be with radial contraction after impressed DC voltage, banding carbon fiber wire 4 during contraction.
Foregoing carbon fiber wire 4 from wire feeder 32 to printhead 31 convey the step of it is as follows：A) during original states, the upper limit
Position piezoelectric ceramics 323, driving piezoelectric ceramics 324 and lower limit piezoelectric ceramics 325 power off；B) upper limits piezoelectric ceramics 323 is disconnected
Electricity, drives piezoelectric ceramics 324 and lower limit piezoelectric ceramics 325 to be powered, so that by lower limit piezoelectric ceramics to by way of its lower limit
Position piezoelectric ceramics draws 4 banding of carbon fiber wire of wire hole, and with carbon fiber wire 4 one under the promotion of driving piezoelectric ceramics 324
Rise and move downward；C) drives piezoelectric ceramics 324 and lower limit piezoelectric ceramics 325 to power off, and upper limit piezoelectric ceramics 323 is logical
Electricity, drives piezoelectric ceramics 324 and lower limit piezoelectric ceramics 325 respectively in foregoing first, second flexible hinge 3222,3223 at this time
Rebound effect under return back to original position, while 4 banding of carbon fiber wire is prevented from pressing in driving by upper limit piezoelectric ceramics 323
When electroceramics 324 and lower limit 325 return of piezoelectric ceramics drive carbon fiber wire 4, such repeat step B) and step C) realize to
31 steady wire feed of printhead.
Above, the first flexible hinge 3222 and the second flexible hinge 3223 that applicant refers to no mechanical friction,
Gapless and the high strong point of autokinesis, in recent years, flexible hinge has obtained extensively in the excellent micro displacement workbench of precision
Using, for example, Japanese industry Technology design institute quantitative study reached using the angle vernier device of flexible hinge principle development
The stabilization resolution ratio of one thousandth degree.To sum up, flexible hinge is a kind of to realize that having for a small range deflection supporting is good
The component of elasticity and its elastic recovery effects, is favored deeply in such as gyroscope, accelerometer, precision balance, instrument and meter.
First, second flexible hinge 3222,3223 of the present invention is selected with by the limited public affairs of Shenzhen of Guangdong province, China new era accurate device
Department production and the application proposition before market sale II A type hinges of model CHS-.
Fig. 2 and Fig. 3 are still referred to, it is fine less than carbon that a diameter is extended with the lower part of foregoing carbon fiber wire lead 326
The column cap 3263 of the diameter of lead 326 is tieed up, the boundary position of the column cap 3263 and carbon fiber wire lead 326 is configured to spring
Step surface 32631 is supported, foregoing spring 328 is nested with column cap 3263, and the upper end of the spring 328 is supported on spring-loaded platform
On terrace 32631, and lower end is supported on the bottom of chamber wall of the spring cavity 3271.Preferably, by the lower end of foregoing positioning sleeve 327
Form the shape of nose cone 3273.
The carbon fiber wire shear 33 of the structural system of foregoing printing mechanism 3 includes motor cabinet 331, motor 332, the
First, the second push broach guide rod seat 333,334 and push broach 335, motor cabinet 331 are fixed on distal end using motor cabinet fixing screws 3311 and revolve
On pivoted arm 27, and it is corresponding with the pedestal 321 of foregoing wire feeder 32, and motor 332 is fixed on motor cabinet 331 with horizontally-arranged state
On, the motor screw axis 3321 of the motor 332 is towards foregoing pedestal 321, and first, second push broach guide rod seat 333,334 is with that
This corresponding state is fixed on distal end rotating arm 27, and corresponds respectively to the both sides of push broach 335, and as shown in Figure 2, first pushes away
Knife guide rod seat 333 is fixed using the first push broach guide rod seat fixing screws 3332 with distal end rotating arm 27, the second push broach guide rod seat 334
Fixed using the second push broach guide rod seat fixing screws 3342 with distal end rotating arm 27.Wherein：It is solid on the first push broach guide rod seat 333
Surely there is one first push broach guide rod 3331, and one second push broach guide rod 3341 is fixed with the second push broach guide rod seat 334, this
First, the second push broach guide rod 3331,3341 is laterally parallel, and push broach 335 is formed towards the side of motor 332 push broach connection
Seat 3351, the middle part of the push broach connecting seat 3351 passes through nut bore 3353（Also screw rod axis hole can be claimed）Connect with motor screw axis 3321
Connect, push broach connecting seat 3351 is slidably matched towards one end of the first push broach guide rod seat 333 and the first push broach guide rod 3331, and push broach
Connecting seat 3351 is slidably matched towards one end of the second push broach guide rod seat 334 and the second push broach guide rod 3341, and push broach 335 is before
The side for stating printhead fixing post hole 271 forms the push broach blade 3352 for being useful for cutting off carbon fiber wire.In foregoing driving
Carbon fiber wire 4 is cut off by push broach blade 3352 while piezoelectric ceramics 324 and lower limit piezoelectric ceramics 325 shift up（I.e.
Cut）.
Foregoing motor 332 is connected with electric controller electrical control, and the motor 332 is with positive and negative rotating function
Motor, when motor 332 is to clockwise work, push broach 335 is driven to foregoing printhead fixed column from its motor screw axis 3321
The direction displacement in hole 271, carbon fiber wire 4 is cut off, vice versa.
In the beginning enabled, the carbon fiber wire 4 of epoxy resin will be soaked with advance manually（Carbon fibre precursor）Drawing-in successively
Upper limit piezoelectric ceramics draws wire hole 3232, drives the driving piezoelectric ceramics of piezoelectric ceramics 324 to draw wire hole, lower limit piezoelectric ceramics
325 lower limit piezoelectric ceramics draws wire hole, lead thread eye 3262, positioning sleeve thread eye 3272 and carbon fiber guiding wire hole
Pinch roller frame chamber 3111 is introduced after 31311, and leads to the carbon fiber wire groove 3122 of pinch roller 312.When implementing to print, by setting
Program, makes remote, near-end rotating arm 25 move up and down, revolves near-end rotating arm 25 by near-end electric rotating machine 24 by linear motor 22
Transhipment is dynamic, distal end rotating arm 27 is rotated by distal end electric rotating machine 26, so that the printing material being introduced into by printhead 31
Material is that carbon fiber wire 4 prints required part under the heated condition of heated device 314 on objective table 11.
In print procedure, due to the curved shape in the hole 3112 on pinch roller frame 311（Fig. 3 shows）, thus carbon fiber can be made
Silk 4 smoothly arrives at pinch roller 312（The adjacent hole 3112 of pinch roller 312）, and due to the cross section of the carbon fiber wire groove 3122 on pinch roller 312
Shape is in the shape of the letter V, thus carbon fiber wire 4 is just defined in the center of carbon fiber wire groove 3122, and carbon fiber wire 4 is carried out
It is accurately positioned, while pinch roller 312 applies carbon fiber wire 4 certain pressure.Since carbon fiber wire 4 presoaks（Dipping）There is asphalt mixtures modified by epoxy resin
Fat, then by the heating of heater 34, epoxy resin is in molten condition, under the pressure of pinch roller 312 and the cooling of fan 315
Positioning cures, while avoids pinch roller 312 and adhere to epoxy China fat.The push broach 335 of foregoing carbon fiber wire shear 33 touches
Move forward after positioning sleeve 327, by the upside at 3352 position of push broach blade in the circular cone head corresponding to nose cone 3273
Position positioning sleeve 327 is jacked up, spring 328 compresses and energy storage, and carbon fiber wire 4 exposes, so that by push broach blade 3352 by carbon
Filament 4 is cut off.In order to increase the reliability of the durability of push broach 335 and shearing, push broach 335 is made of tool steel.Carbon is fine
After dimension silk 4 is cut off by push broach blade 3352,332 reverse operation of motor, makes the push broach knife of push broach 335 recess positioning sleeve with regard to 3352
The position of 327 nose cone 3273, positioning sleeve 327 are also shot back to printhead under the restoring force effect of spring 328 and fix
The accessible state of the friend of post holes 271.
In conclusion technical solution provided by the invention overcomes the shortcoming in prior art, invention task is completed, visitor
Embody the technique effect that applicant refers in technical effect column above with seeing, it is a ultimate attainment technical side that can yet be regarded as
Case.
Claims (3)
1. a kind of be used to print the 3D printer of carbon fiber, including a base (1), on the base (1) and it is located at base (1)
Upper side is provided with an objective table (11) for being used to carry printed matter；One driving mechanism (2), the driving mechanism (2) are set
Put on the base (1)；One printing mechanism (3), the printing mechanism (3) are arranged in the driving mechanism (2), it is special
Sign is：The printing mechanism (3) includes printhead (31), the wire feeder for feeding carbon fiber wire to printhead (31)
(32) and for will by wire feeder (32) send out carbon fiber wire cut carbon fiber wire shear (33), printhead (31)
It is arranged in the driving mechanism (2), wire feeder (32) is arranged on drive in the position of the top corresponding to printhead (31)
On motivation structure (2), carbon fiber wire shear (33) is with wire feeder (32) and corresponding to wire feeder (32)
The position of side is arranged in driving mechanism (2)；The driving mechanism (2) includes straight-line electric engine base (21), linear motor
(22), electric rotating engine base (23), near-end electric rotating machine (24), near-end rotating arm (25), distal end electric rotating machine (26) and distal end are revolved
Pivoted arm (27), straight-line electric engine base (21) are fixed on the base (1) with longitudinal state, and linear motor (22) is arranged on straight-line electric
The side of engine base (21) proximally facing rotating arm (25), electric rotating engine base (23) are fixed on linear motor (22), near-end rotation
Motor (24) is fixed on electric rotating engine base (23), and the near-end spin motor shaft (241) of the near-end electric rotating machine (24) with
Near-end rotating arm (25) left end is fixedly connected, and distal end electric rotating machine (26) and the right end of near-end rotating arm (25) are fixed, and should
The distal end spin motor shaft (261) of distal end electric rotating machine (26) is fixedly connected with the left end of distal end rotating arm (27), and distal end is revolved
The right end of pivoted arm (27) corresponds to the top of the objective table (11) with horizontal boom state, and the printing mechanism (3) are beaten
Print head (31) is arranged on side of the right end of the distal end rotating arm (27) under, and the wire feeder (32) and carbon
Filament shear (33) is arranged on the right end of distal end rotating arm (27) towards upper side；The distal end rotating arm (27)
Right end and a printhead fixing post hole (271) is offered in the position of the printhead (31) corresponding to the printing mechanism (3),
The printhead (31) includes pinch roller frame (311), pinch roller (312), heater fixed seat (313), heater (314) and fan
(315), pinch roller (312) is rotatably supported on pinch roller frame (311) by pressure wheel shaft (3121), in the length of the pinch roller (312)
Spend the middle position in direction and the circumferencial direction around pinch roller (312) forms the carbon for having a surface for being depressed in pinch roller (312)
Filament groove (3122), heater fixed seat (313) are fixed on pinch roller frame (311) towards the one of the distal end rotating arm (27)
Side, is formed a diameter with narrow contracting state in the upper end of the heater fixed seat (313) and is less than the straight of heater fixed seat (313)
The printhead fixed column (3131) in footpath, probes into the printhead fixing post hole (271) by the printhead fixed column (3131)
And fix side of the right end of pinch roller frame (311) and the distal end rotating arm (27) under, in printhead fixed column
(3131) axial center offers a carbon fiber guide hole (31311), the carbon fiber guide hole (31311) by way of being opened in plus
The hole in the axial center of hot device fixed seat (313) is communicated with the pinch roller frame chamber (3111) of pinch roller frame (311), by the carbon fiber guiding
Draw carbon fiber that is that hole (31311) will be sent out by the wire feeder (32) and being cut by the carbon fiber shear (33)
Silk introduces the pinch roller (312), and the middle position of heater (314), which is formed, a heater-fastening-hole (3141), the heating
Device mounting hole (3141) is nested with the heater fixed seat (313), and fan (315) is fixed on the right side of distal end rotating arm (27)
The side under is held, and the fan outlet (3151) of the fan (315) is corresponding with the side of the pinch roller (312),
The wire feeder (32) is corresponding with the top of the printhead fixing post hole (271), and the carbon fiber wire shearing
Device (33) corresponds to the left side of printhead fixing post hole (271)；One or more is equipped on the heater (314)
Heating rod (3142) and a temperature signal collection device (3143)；The fan (315) is piezo jet fan；The temperature
Signal picker (3143) is temperature sensor；The wire feeder (32) includes pedestal (321), piezoelectric ceramics fixes mounting
(322), upper limit piezoelectric ceramics (323), driving piezoelectric ceramics (324), lower limit piezoelectric ceramics (325), carbon fiber wire are oriented to
Column (326), positioning sleeve (327) and spring (328), pedestal (321) are fixed on the right end of the distal end rotating arm (27) towards upper
Side, while corresponding to the right side of the printhead fixing post hole (271), it is fixed that piezoelectric ceramics fixes mounting (322)
At the top of pedestal (321), mounting (322) is fixed towards the side of the carbon fiber wire shear (33) in the piezoelectric ceramics
A upper limit piezoelectric ceramics supporting arm (3221), one first flexible hinge are fixed with horizontal boom state successively from top to bottom
(3222) and one second flexible hinge (3223), the upper limit piezoelectric ceramics supporting arm (3221), the first flexible hinge (3222)
It is in each other on same longitudinal axis with the second flexible hinge (3223), upper limit piezoelectric ceramics (323) is arranged on upper limit piezoelectricity
On ceramic supporting arm (3221), driving piezoelectric ceramics (324) is set in the position of the lower section corresponding to upper limit piezoelectric ceramics (323)
Contacted on the first flexible hinge (3222) and with upper limit piezoelectric ceramics (323), lower limit piezoelectric ceramics (325) is in correspondence
It is arranged in the position of the lower section of driving piezoelectric ceramics (324) on the second flexible hinge (3223) and with driving piezoelectric ceramics
(324) contact, the top of carbon fiber lead (326), which is formed, a lead fixed arm (3261), the lead fixed arm
(3261) top with the pedestal (321) is fixed, and the lower part of carbon fiber lead (326) is engaged with positioning sleeve (327),
And the middle position of the short transverse in carbon fiber lead (326) offers a lead thread eye (3262), positioning sleeve
(327) it is located at the left side of pedestal (321), and corresponding to the top of the printhead fixing post hole (271), the positioning sleeve
(327) upper end, which is formed, a spring cavity (3271), and the middle position of lower end offers a positioning sleeve thread eye (3272), this is fixed
The upper end of position set thread eye (3272) is communicated with spring cavity (3271), and lower end is configured to the seal wire hole exits communicated with the external world
(32721), the seal wire hole exits (32721) are corresponding with the printhead fixing post hole (271), while with it is described
Carbon fiber guide hole (31311) is corresponding, and spring (328) is located in spring cavity (3271) and is nested with carbon fiber lead
(326) lower part, the lower part of the carbon fiber wire lead (326) probes into the spring cavity (3271) and positioning sleeve (327)
It is engaged.
2. a kind of 3D printer for being used to print carbon fiber according to claim 1, it is characterised in that in the carbon fiber
The lower part of silk lead (326) is extended with column cap (3263) of the diameter less than the diameter of carbon fiber lead (326), the column cap
(3263) the boundary position with carbon fiber wire lead (326) is configured to spring-loaded step surface (32631), the spring
(328) it is nested with column cap (3263), the upper end of the spring (328) is supported on spring-loaded step surface (32631), and lower end
It is supported on the bottom of chamber wall of the spring cavity (3271).
A kind of 3. 3D printer for being used to print carbon fiber according to claim 1 or claim 2, it is characterised in that institute
The carbon fiber wire shear (33) stated include motor cabinet (331), motor (332), first, second push broach guide rod seat (333,
334) it is fixed on push broach (335), motor cabinet (331) on the distal end rotating arm (27), motor (332) is fixed with horizontally-arranged state
On motor cabinet (331), towards the pedestal (321), first, second pushes away the motor screw axis (3321) of the motor (332)
Knife guide rod seat (333,334) is fixed on distal end rotating arm (27) with the state to correspond to each other, and corresponds respectively to push broach
(335) both sides, wherein：One first push broach guide rod (3331) is fixed with the first push broach guide rod seat (333), and is pushed away second
One second push broach guide rod (3341) is fixed with knife guide rod seat (334), the first, second push broach guide rod (3331,3341) is each other
Laterally parallel, push broach (335) is formed towards the side of motor (332) a push broach connecting seat (3351), the push broach connecting seat
(3351) middle part is connected with motor screw axis (3321), push broach connecting seat (3351) the first push broach guide rod seat (333) of direction
One end is slidably matched with the first push broach guide rod (3331), and push broach connecting seat (3351) the second push broach guide rod seat (334) of direction
One end is slidably matched with the second push broach guide rod (3341), side structure of the push broach (335) towards the printhead fixing post hole (271)
Into the push broach blade (3352) for being useful for cutting off carbon fiber wire.
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| Application Number | Priority Date | Filing Date | Title |
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| 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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| CN201610804775.3A CN106239776B (en) | 2015-01-27 | 2015-01-27 | A kind of 3D printer for being used to print carbon fiber |
| CN201510040649.0A CN104552957B (en) | 2015-01-27 | 2015-01-27 | Print the 3D printer of carbon fiber |
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| CN201610646257.3A Active CN106217878B (en) | 2015-01-27 | 2015-01-27 | A kind of 3D printer printing carbon fiber |
| CN201610804775.3A Expired - Fee Related CN106239776B (en) | 2015-01-27 | 2015-01-27 | A kind of 3D printer for being used to print carbon fiber |
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| 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 |
|---|---|
| CN104552957B (en) | 2016-10-19 |
| CN104552957A (en) | 2015-04-29 |
| CN106239776A (en) | 2016-12-21 |
| CN106217878B (en) | 2019-01-04 |
| CN106217878A (en) | 2016-12-14 |
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