CN104742364A - Six-channel aggregation-fusion type squeezing nozzle for fused deposition modeling type color three-dimensional printer - Google Patents
Six-channel aggregation-fusion type squeezing nozzle for fused deposition modeling type color three-dimensional printer Download PDFInfo
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- CN104742364A CN104742364A CN201310736356.7A CN201310736356A CN104742364A CN 104742364 A CN104742364 A CN 104742364A CN 201310736356 A CN201310736356 A CN 201310736356A CN 104742364 A CN104742364 A CN 104742364A
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Abstract
The invention discloses a six-channel aggregation-fusion type squeezing nozzle. The squeezing nozzle is provided with six thread inlets and one thread outlet and is suitable for a fused deposition modeling type (FDM) all-true color three-dimensional printer control system capable of achieving precision printing. Raw material printing threads of each color can be fused without a temperature difference in a nozzle aggregation fusion mixing and stirring cavity in a process of printing a color three-dimensional stereoscopic workpiece, the colored threads are extruded, a thread outlet caliber can be changed, and printing, all true color and high precision can be achieved. Accordingly, the mechanical strength of the printed workpiece reaches the mechanical strength index of the material, maintenance and replacement are convenient, resources are saved, energy consumption is reduced, the cost is reduced, and the nozzle is simple in structure, stable and reliable.
Description
Technical field
The invention belongs to a kind of stack (FDM) color three-dimensional printer squeezing shower nozzle technology, many monochromatic plastic wires of input specifically can be realized to converge at a melting in mix and blend chamber, can produce after spiral vortex type stirring action carries out colour mixture and extrude from shower nozzle lower end filament mouth the poly-molten formula squeezing shower nozzle of Hexamermis spp that authentic color level prints silk.
Background technology
In known technology, the print routine of stack 3 D Printer develops on the basis of Hewlett-Packard's printing of inkjet printer program, in stack 3 D stereo print procedure, print routine default print material is liquid flowing, only need to provide the closedown of each printhead and feed instruction, at the end of workpiece prints, only just providing the instruction of Print All head closedown heating power supply.Therefore, in the middle of stack 3 D Printer, heater system is a discrete system module, is made up of: heater, heated body, temperature sensor, heating and cooling control circuit four parts.Heater and temperature sensor are all arranged on shower nozzle heated body position, see Fig. 1, (1-q ~ 1-l).
See Fig. 1, be the printhead of existing stack 3 D Printer, the wire feed pump 1-e bringing silk mouth 1-k into connects into a conduit 1-q, enters a conduit 1-q and connects nozzle 1-j by ring flange 1-i, ring flange 1-i arranges heater 1-l and temperature sensor 1-t, belongs to single-pass configuration.
In existing Multi-head colored stack 3 D Printer print procedure, colour changing must by changing head to realize, and in printing, fracture of wire is necessary, and because fracture of wire causes, to print Coating combination bad, makes printing occur fault or be unsuccessfully most common failure.
See Fig. 5, in the middle of bull stack 3 D Printer, double end prints the workpiece that will to see when being greater than the workpiece of the single horizontal direction double-colored (A look and B look) of double end nozzle spacing and to print has and double-coloredly mutually mixes look (Ac and Bc) phenomenon in the prior art; Its reason is, the remaining temperature continuation fusing of closing the printhead of wire feed because of instruction chronologically remains in into the plastic wire in a conduit, and swelled nozzle and be extruded into and print on workpiece, adulterate clout and clout color in color is clearly demarcated, presents " sweet viburnum " phenomenon (Ac and Bc).Two tangent circles that in figure, visible A and Bd 2 is is the center of circle with the actual installation spacing of A, B look two printhead, mix the center of circle of look Bc on the left semicircle week of A look entity circle, because be the clout after every layer of printing, so glue with A profiling " sweet viburnum ", color is B look, and the two tangent places of circle are for mixing look region; With B and Ac position to mix look phenomenon just in time contrary, mix look region at " sweet viburnum " the machine place of company with workpiece entity.Namely this be the technology that exists of existing stack bull 3 D Printer and qualitative defect, obviously waste material destroy globality and the mechanical strength of workpiece.
The printhead used in existing stack double end or bull 3 D Printer is all monochromatic.A kind of color three dimension three-dimensional printing machine technology adopts colored glue to go out colored workpiece as marking ink inkjet printing molding bonded in land plaster.Its shortcoming is that color can be formed aberration by the white reference difference of land plaster, and the mechanical strength of land plaster is comparatively far below engineering plastics, therefore cannot use in engineering device and other applications.
Summary of the invention
The object of this invention is to provide the poly-molten formula of Hexamermis spp that the authentic color 3 D Printer of a kind of stack uses extrude shower nozzle (hereinafter referred to as: six enter singly go out shower nozzle), the high accuracy quality that the 3 D stereo that can realize the color workpiece of authentic colour prints.
Technical scheme provided by the invention
:comprise six and enter singly to go out shower nozzle matrix, silk mouth benefit core, heater, temperature sensor and seal wire flexible pipe, six enter singly to go out shower nozzle matrix by fixing screw hole, radiating wing, heating chamber, be mixed into a channel layer group to form into a channel layer group and poly-molten mix and blend chamber with being separated, it is characterized in that: to enter respectively by seal wire flexible pipe from the monochromatic plastic wire of wire feed pump and be mixed into a channel layer group and be separated into entering a passage in a channel layer group, inject in poly-molten mix and blend chamber to being melted rapidly by the heat that heater discharges when entering a thread passage lower end, two layer groups are entered the angle of a channel outlet when entering poly-molten mix and blend chamber and are arranged difference, it is different that the plastic wire injected chronologically respectively melts the filament quality of slurry when being extruded from the silk mouth of silk mouth benefit core by poly-molten mix and blend chamber, backing material can realize printing function by being separated into a passage.The silk mouth benefit core being arranged to demountable structure can realize by more bringing adjustment silk mouth diameter, is applicable to the precision processing of silk mouth diameter and melts to poly-the impurity cleaning accumulated in mix and blend chamber.
Six enter singly to go out under shower nozzle matrix is connected to X, Y mobile roof support by the fixing screw hole that heating chamber upper end is arranged; Shower nozzle matrix centre arranges a heating chamber, and radiating wing is arranged on heating chamber periphery, and fixing screw hole terminates in base platform through radiating wing, and arranging radiating wing is that the heat reducing heater release uploads on X, Y mobile roof support; Heater is arranged in heater chamber, is fixed by the fixing screw hole screw shimming that upper end is arranged; Enter a porch, passage upper end and embed seal wire flexible pipe, lower end outlet is in poly-molten mix and blend chamber; Poly-molten mix and blend chamber is arranged on foreign side bottom heater chamber, two end gap size directly affect poly-molten mix and blend chamber by the efficiency of heating surface; Poly-molten mix and blend chamber internal diameter equals 1.618 times into a channel diameter, deeply equals 2.8 times into a channel diameter; In poly-molten mix and blend chamber, the degree of depth is arranged to two-layer up and down, 6 are entered a channel setting and become 3 one deck groups, are respectively to be mixed into a channel layer group and to be separated into a channel layer group; Be mixed into the outlet of a thread channel layer group to be arranged on and to be close to silk mouth and to mend on in-core plan-position, be separated to be arranged on into a channel layer group outlet and be mixed on a channel layer group outlet sagittal plane, both poly-molten mix and blend chamber inner bottom parts; Be separated into a channel layer group gateway and be mixed into radial level angle between a channel layer group gateway and be arranged to 60 ° of arrays that stagger; Be mixed into a passage and be axially provided with angle into a channel axis to relatively poly-molten mix and blend chamber with being separated, be mixed into a channel axis and be greater than to relative angle and be separated into a channel axis to 10 ~ 15 °; Be mixed into a channel outlet tangent with poly-molten mix and blend chamber wall, make the plastics injected in proportion starch tangentially direction and do the motion of circumference spiral vortex type at poly-molten mix and blend cavity wall and produce stirring and mixing effect; Be separated into a channel outlet tangent with poly-molten mix and blend chamber bottom interior wall, make the molten slurry of the plastic wire of injection lead directly to silk mouth through poly-molten mix and blend chamber and mend core and be extruded filament.Silk mouth is mended core and is arranged on the outside opening part in poly-molten mix and blend chamber, be the replaceable structure of seam tight fit with opening, silk mouth diameter and the overall fixing pattern of printhead are broken, the silk mouth of demountable structure is mended core and can be realized by more bringing adjustment silk mouth diameter, silk mouth size is arranged on 0.05 ~ 0.4mm, the printable microscopic level aspect to 0.01mm; Be applicable to the precision processing of silk mouth diameter and the impurity accumulated in poly-molten mix and blend chamber is cleared up.Heater is arranged on heating chamber inner bottom part position, mixes chamber and heats faster more energy-conservation, realize some heating to the plastic wire entered to poly-molten mixing.Temperature sensor is arranged on radiating wing pedestal, and the screw in compression being through fixing hole is fixed.Seal wire flexible pipe is arranged on into a feeder connection place, can according to the diameter adjustment bore of raw material thread, and the soft curved state of freedom alleviating carrying capacity does not appear in constraint raw material thread, ensures that the error amount between wire feed instruction and action is minimum; Seal wire flexible pipe is worked out by high coefficient of heat insulation material silk.
An above-mentioned passage that is mixed into axially is provided with angle into a channel axis to relatively poly-molten mix and blend chamber with being separated, and is mixed into a channel axis and is greater than to relative angle and is separated into a channel axis to 10 ~ 15 °; Be mixed into a channel outlet to enter singly to go out shower nozzle matrix relative to six and be arranged to outlet with axial angle 25 ~ 45 °, radial angle 42 ° is tangent with poly-molten mix and blend chamber wall; Be separated into a channel outlet with axial angle 10 ~ 35 °, radial angle 90 ° is tangent with poly-molten mix and blend chamber bottom interior wall.
An above-mentioned passage that is mixed into is applicable to arranging three primary colours plastic wire, is separated and is applicable to arranging definition look and backing material plastic wire into a passage.
Above-mentioned six enter singly to go out shower nozzle matrix and silk mouth mends the material manufacture that core adopts high thermal conductivity coefficient.
The above-mentioned six seal wire flexible pipes entering singly to go out shower nozzle adopt the material of high insulative properties.
The above-mentioned six temperature sensor materials entering singly to go out shower nozzle, resistance, capacitance and heat endurance, temperature-responsive frequency need have high stability.
Good effect of the present invention:
Be provided with the color printing performance that the six stack colorful three-dimensional three-dimensional printing machines entering singly to go out shower nozzle can realize the authentic color standard of workpiece, be equivalent to 24 color-resolution in computer.Single heater centering mode of heating makes thermal effect utilization rate improve more than 95%, energy-saving efficiency improves 5 times, save the temperature-control circuit and device that mainboard repeat setting, simplify mainboard heating control circuit and software kit, eliminate each hardware single-piece technical parameter in each heater circuit loop and do not ensure the defect of the print quality problem that uniformity causes the fuse temperature difference to cause, the drawback of the assembling that in the printhead bull scheme of elimination prior art, multiple nozzle brings and leveling trouble and bull scratching destruction printing aspect.
Be mixed into a passage tangentially to enter poly-molten mix and blend chamber with radial angle 42 ° and formed vortex and be uniformly mixed ability
,ensure that six printed materials entering singly to go out shower nozzle are mixed colours and colour changing completes under molten condition in stir chamber, as long as print command does not stop, weaving silk and would not interrupt; Be separated and axially enter in poly-molten mix and blend chamber into a passage is approximate, stop passing rapidly through instantaneously in mixed instruction and be mixed into a channel layer the very big limit of definition color is not disturbed by colour mixture, clearly demarcated the extruding from filament mouth of guarantee color; Be separated into a channel layer group with to be mixed into when a channel layer group color exchange instruction realizes consistent and can be seen by the workpiece that prints the geometrical pattern that color is clearly demarcated, and surfacing and interlayer melting are closed firmly; Its good stalling characteristic is the possibility that backing material provides printing.From monochrome to colour mixture, then be all enter singly to go out shower nozzle inside six to complete to the switching of backing material, after making certain color material silk stop wire feed, cannot be oozed out by resistance because clout pressure is less than other wire feed pressure; Fracture of wire colour changing in known existing bull stack 3 D Printer and mutually mix the print quality problem that the defect of look and defect cause and eliminate completely, ensures the total quality of colour print workpiece.
Seal wire flexible pipe and silk mouth mend the upgrade expanding that the adjustable of core and replaceable structure are convenient to quality control in manufacturing process and 3 D Printer, improve the adaptive capacity to printed material.Seal wire flexible pipe adopts stainless steel wire establishment can give full play to the insulative properties of stainless steel material and improve rate of heat dissipation, and can obtain the function of telescopic reducing.
The of the present invention six toning schemes of colour entering singly to go out shower nozzle can realize the color effect of authentic color level completely, and six enter singly to go out the requirement that structure can realize the mechanical strength printing workpiece.Have and economize on resources, reduce energy consumption, reduce manufacturing cost, structure is simple, reliable and stable.Have widely applicable, the advantage reducing use cost and facilitate user to safeguard.
Accompanying drawing explanation
Fig. 1 is existing print head structure schematic diagram.
Fig. 2 is the poly-molten spiral vortex type squeezing nozzle structure schematic front view of Hexamermis spp of the present invention.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is that structural representation is cutd open in local, the poly-molten mix and blend chamber AA amplification letter of Fig. 2.
The defect photo in kind that Fig. 5 manifests when being the double-colored workpiece of horizontal direction that existing head 3 D Printer prints.
Detailed description of the invention
Six enter singly to go out the alloyed copper metallic object that shower nozzle matrix (in Fig. 2 1) is high thermal conductivity, vibrational power flow becomes one to be cylindrically connected with bottom a frustum of a cone, position, the center of circle is provided with heating chamber (in Fig. 2 13), and bottom is connected with the bottom, poly-molten mix and blend chamber (in Fig. 2 16) being arranged on frustum of a cone top; Under six holes entering singly to go out the middle symmetry of 4 fixing screw holes (in Fig. 2 3) that shower nozzle matrix is arranged by heating chamber upper end are connected to X, Y mobile roof support, fixing screw hole is worn to the upper plane of radiating wing pedestal (in Fig. 2 7), and arranging radiating wing (in Fig. 2 6) is that the heat that minimizing heater (in Fig. 2 19) discharges uploads on X, Y mobile roof support; Another two symmetrical fixing screw holes are that heater and temperature sensor (in Fig. 2 8) are fixedly installed; Enter a channel setting and become φ 1.9mm, entrance (in Fig. 29,10) place embeds seal wire flexible pipe (in Fig. 24,5), exports in poly-molten mix and blend chamber; It is barrel-shaped that cylinder is arranged in poly-molten mix and blend chamber, and internal diameter equals 1.618 times into a channel diameter, and the degree of depth equals 2.8 times into a channel diameter; In poly-molten mix and blend chamber, the degree of depth is arranged to two-layer up and down, 6 are entered a channel setting and become 3 one deck groups, are respectively to be mixed into a channel layer group and to be separated into a channel layer group; Be mixed into channel layer group (in a Fig. 3 10) entrance be arranged on be separated into thread channel layer group (in Fig. 2 9) entrance peripheral, be mixed into thread channel layer group outlet (in Fig. 2,4 15) and be arranged on that to be close to that silk mouth mends on core (in Fig. 2,4 17) inner plane position be lower floor, be separated and be arranged on into thread channel layer group outlet (Fig. 2,4-14) that to be mixed on a channel layer group outlet sagittal plane be upper strata, close to poly-molten mix and blend chamber inner bottom part; Be separated into a channel layer group gateway and be mixed into radial level angle between a channel layer group gateway and be arranged to 60 ° (Fig. 3) and stagger array; Be mixed into a passage to enter singly to go out shower nozzle base shaft into a channel axis to relative six and be provided with angle with being separated to radial position; Be mixed into a channel outlet with axial angle 25 ~ 45 ° (in Fig. 2 5), the angle 42 ° that footpath is gone up counterclockwise is (in Fig. 2 11, in Fig. 4 15) direction is tangent with poly-molten mix and blend cavity wall, and be mixed into a channel axis and be greater than to relative angle and be separated into a channel axis to angle 10 ~ 15 ° (in Fig. 2 4); Be separated into a channel outlet with axial angle 10 ~ 35 ° (in Fig. 2 4), radial angle 90 ° of (in Fig. 2 12) directions are tangent with poly-molten mix and blend chamber bottom interior wall.
Be mixed into 42 ° of angles that a channel setting becomes a footpath to go up counterclockwise tangent with poly-molten mix and blend chamber wall, the molten slurry of raw material injected in proportion can be made to do the generation of spiral vortex type circular motion along 42 ° of tangential direction at poly-molten mix and blend cavity wall and to be uniformly mixed effect, and silk mouth mend core silk mouth release in compression functions acting in conjunction under extrude mixed color silk, be applicable to three primary colours plastic wire use, hot, yellow, blue three primary colours ABS plastic silk from seal wire flexible pipe enter be mixed into a thread passage time, the resistance-type ceramic heating pipe being arranged to 230 DEG C of heating-up temperatures has entered singly to go out shower nozzle entirety and has been heated to predetermined print temperature by six, enter into that to be mixed into a position, passage middle and lower part red, yellow, the monochromatic plastic wire of blue three primary colours is that molten condition is respectively from three outlet (Fig. 2, in 4 15) inject in poly-molten mix and blend chamber, spiral vortex type circular motion is done along poly-molten mix and blend cavity wall under the thrust entering silk continuously, melt slurry to colors to be uniformly mixed, molten for mixing slurry is focused on the silk mouth at Si Koubuxin center and is discharged by the centripetal force simultaneously produced, the squeezed filament mouth of plastic melting pulp after colour mixture becomes silk, the plastics fuse after mix and blend is made to reach the colour mixture standard of tricolor color matching scheme current order constraint.
Be separated and become 90 ° of (in Fig. 2 12) angles in the radial direction tangent with poly-molten mix and blend chamber wall into a channel setting, the raw material thread of injection can be made to melt slurry and to be extruded into silk through the poly-molten mix and blend chamber silk mouth that straight-through silk mouth mends core vertically, other colored molten slurry interference can be avoided, be applicable to arranging black, white, cultural look, enterprise's look, definition look and backing material plastic wire use, when black, white two kinds of primary colours ABS plastic silks respectively from seal wire flexible pipe enter two be separated into thread passage time, the resistance-type ceramic heating pipe being arranged to 240 DEG C of heating-up temperatures has entered singly to go out shower nozzle entirety and has been heated to predetermined print temperature by six, what enter is black, Bai Danse plastic wire is that molten state is separated into channel outlet (Fig. 2 from two respectively, in 4 14) vertically inject in poly-molten mix and blend chamber, downward rectilinear motion is done along axial direction in poly-molten mix and blend chamber under the thrust entering silk continuously, pass rapidly through below and be mixed into a colour mixture pulp layer for channel layer group formation, being infected with cost with few starting point realizes follow-up black, white two kinds of primary colours are pure, owing to constraining the injection ratio of black, white two kinds of primary colours plastic wires charging from the instruction of gray tone scheme of colour, differential produces simple adhesion immixture, make mixed plastic melting pulp reach the colour mixture standard of gray tone scheme of colour current order constraint, be infected with the color print quality that can not have influence on gray tone at the color silk of silk head on a small quantity.
Can seen by the workpiece that prints the geometrical pattern that color is clearly demarcated when color mixture and separating degree are selected suitable, such as, colored workpiece prints trade mark or the LOGO of enterprise's look, and surface is carefully and neatly done, interlayer melting is closed firmly.
When a kind of hydrolyzable plastic support material silk from seal wire flexible pipe enter one be separated into thread passage time, the heater of resistance-type ceramic heating pipe enters singly to go out the heating of shower nozzle entirety and adjusts to predetermined print temperature under the heating instructions being arranged to applicable hydrolysis plastics temperature by six, inject poly-molten mix and blend chamber by the molten slurry of hydrolysis plastic support material place pass print instruction and do vertical motion vertically, straight-through silk mouth wire vent; Be infected with the print quality that can not have influence on backing material at the color silk of silk head on a small quantity.
Be mixed into a channel setting be separated the molten slurry after as far as possible can avoiding colour mixture into a passage lower floor by black, white and being infected with of backing material affect.Impact of being mutually infected with between two-layer group just occurs in the moment that switching is initial, is infected with impact and is controlled in trace level.
Silk mouth is mended core (in Fig. 2,4 17) and is adopted the copper alloy with shower nozzle matrix (in Fig. 2 1) identical material, be arranged to be with the roudnel shape of seam shaping by retrofit, be arranged on poly-molten mix and blend chamber (in Fig. 2,4 16) outwards opening part, be seam tight fit with opening, for replaceable structure, silk mouth diameter and the overall fixing present mode of printhead are broken; The silk mouth of retrofit is mended core and is arranged to φ 5mm external diameter, stopping table height 1mm, and filament mouth (in Fig. 2,4 18) diameter is arranged between 0.05 ~ 0.4mm, and minimum diameter can meet the rigors printing to 0.01mm microscopic level aspect; Need during silk mouth reducing, to use general utility tool to clamp silk mouth benefit core is taken off, then the silk mouth of required silk mouth size benefit core is pressed into by original position, fully achieve convenient cheap.
Heating chamber (in Fig. 2 13) is arranged to cylinder barrel shape, heating chamber outside opening end is only provided with heat radiating fin structure to radiating wing pedestal (in Fig. 2 7), for the syndeton not desirably heat that leaves, heating chamber internal diameter and the degree of depth are determined by known heater (in Fig. 2 19) gauge size adopted, between the internal-and external diameter of openend, circumferential plane is provided with the fixing screw hole of 4 symmetric arrays, bottom connects poly-molten mixing and mixes bottom chamber, two end standoff distances be not more than 1mm with ensure heating and thermal efficiency the highest, point is realized to the raw material thread that enters and heats; Heater is arranged on heating chamber inner bottom part, utilizing the fixing screw hole (in Fig. 2 3) being arranged on upper end to be screwed into screw shimming is locked in heating chamber, heater carries out internal heat type heating to cylindrical heater chamber, the isolated air exchange of sealing makes the efficiency of heating surface reach peak, and deoxidation effect can extend heater service life; And eliminate the error in reading that frame for movement causes, raising computer heating control return circuit module ± 1 DEG C of control accuracy, ensure that in chamber and be always heated at constant temperature, liquid plastic slurry keeps good mobility always, and good mobility makes mixed and effect reach the requirement of color inkjet printer.
Known temperature sensor (in Fig. 2 8) is arranged on radiating wing pedestal (in Fig. 2 7) under heater hold-down screw hole site, and the screw in compression being through fixing screw hole is fixed; Wire (in Fig. 2 2) upwards draws outward on mobile roof support along radiating wing.
[0033]seal wire flexible pipe (in Fig. 24,5) is worked out by the stainless steel wire of high coefficient of heat insulation, and lower end is arranged on 6 and enters in a passage (in Fig. 29,10) entrance, and upper end connects wire feed pump; The seal wire flexible pipe of stainless steel wire establishment improves the heat insulation of stainless steel material and heat dispersion to greatest extent structure, and usefulness is far longer than existing solid tubular structure; The pliability had can arbitrarily be connected on the wire feed pump of diverse location angle, changes the pattern that existing solid tubular structure vertically can only arrange fixing wire feed pump; The rigidity had can retrain raw material thread and not occur alleviating the soft curved state of freedom of carrying capacity, especially to the constraint supporting role of nylon yarn being less than φ 1mm diameter, ensure that the error amount between wire feed instruction and action is minimum; The tension and compression that the plasticity had makes user can only rely on seal wire flexible pipe does in length according to the diameter of raw material thread just can obtain any reducing adjustment of bore between φ 0.5 ~ 2mm, when stretching attenuates, the length of increase can stretch into fill it and cannot the molten slurry of raw material be stoped to fall to overflow by the remaining space that produces of reducing in a passage.What seal wire flexible pipe can eliminate existing stainless steel structure with the superiority of structure enters a conduit.
Of the present invention six enter singly to go out shower nozzle, and to achieve all colour changings and colour mixture be all complete in poly-molten mix and blend chamber, after certain color material silk stops wire feed, charging thrust lost by clout, pressure is less than other wire feed pressure and is blocked at originally to enter in a passage and cannot ooze out, avoid and eliminate the fracture of wire of known bull printing technique realization and mix the defect that look destroys the globality quality printing workpiece, achieve the authentic colored color printing effect with meeting requirement of mechanical strength, for the universal of color three dimension three-dimensional printing machine creates technical conditions.
Can enter singly to go out shower nozzle entirety six and increase dust cover structure outward.
Claims (4)
1. the object of this invention is to provide the poly-molten formula of Hexamermis spp that the authentic color 3 D Printer of a kind of stack uses extrude shower nozzle (hereinafter referred to as: six enter singly go out shower nozzle), the high accuracy quality that the 3 D stereo that can realize the color workpiece of authentic colour prints;
Comprise six and enter singly to go out shower nozzle matrix, silk mouth benefit core, heater, temperature sensor and seal wire flexible pipe, six enter singly to go out shower nozzle matrix by fixing screw hole, radiating wing, heating chamber, be mixed into a channel layer group to form into a channel layer group and poly-molten mix and blend chamber with being separated, it is characterized in that: to enter respectively by seal wire flexible pipe from the monochromatic plastic wire of wire feed pump and be mixed into a channel layer group and be separated into entering a passage in a channel layer group, inject in poly-molten mix and blend chamber to being melted rapidly by the heat that heater discharges when entering a thread passage lower end, two layer groups are entered the angle of a channel outlet when entering poly-molten mix and blend chamber and are arranged difference, it is different that the plastic wire injected chronologically respectively melts the filament quality of slurry when being extruded from the silk mouth of silk mouth benefit core by poly-molten mix and blend chamber, backing material can realize printing function by being separated into a passage, the silk mouth benefit core being arranged to demountable structure can realize by more bringing adjustment silk mouth diameter, is applicable to the precision processing of silk mouth diameter and melts to poly-the impurity cleaning accumulated in mix and blend chamber, seal wire flexible pipe is worked out by the filamentary material of high coefficient of heat insulation, has telescopic reducing and plasticity.
2. according to claim 1 a kind of can realize that the authentic color 3 D Printer of the accurate stack printed uses six enter and singly go out shower nozzle, it is characterized in that: an above-mentioned passage that is mixed into enters singly to go out shower nozzle base shaft into a channel axis to relative six and is provided with angle with being separated to radial position; Be mixed into a channel axis to be greater than to relative angle and to be separated into a channel axis to 10 ~ 15 °; Enter a channel outlet with axial angle 25 ~ 45 °, radial angle 42 ° of directions are tangent with poly-molten mix and blend cavity wall; Be separated into a channel outlet with axial angle 10 ~ 35 °, angle 90 ° of directions in sagittal plane are tangent with poly-molten mix and blend chamber bottom interior wall; The size of its axial angle is determined by adopting known heater diameter size; Being mixed into a passage with being separated is provided with 60 ° of angles into a channel layer group in six distributions of entering singly to go out on shower nozzle matrix radial level position.
3. according to claim 1 a kind of can realize that the authentic color 3 D Printer of the accurate stack printed uses six enter and singly go out shower nozzle, it is characterized in that: above-mentioned printhead matrix is arranged to cylinder shown in Fig. 2 and frustum of a cone floor structure; Heating chamber, poly-molten mix and blend chamber are all arranged to cylindrical; Silk mouth mends the disc-shaped that core is arranged to be with seam.
4. according to claim 1 a kind of can realize that the authentic color 3 D Printer of the accurate stack printed uses six enter and singly go out shower nozzle, it is characterized in that: above-mentioned printhead matrix and silk mouth mend the material that core adopts high thermal conduction characteristic; Seal wire flexible pipe adopts the filamentary material of high insulative properties to work out, and has telescopic reducing, rigidity and deformability characteristics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310736356.7A CN104742364B (en) | 2013-12-29 | A kind of stack color three-dimensional printer poly-molten formula squeezing shower nozzle in clematis stem road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310736356.7A CN104742364B (en) | 2013-12-29 | A kind of stack color three-dimensional printer poly-molten formula squeezing shower nozzle in clematis stem road |
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| Publication Number | Publication Date |
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| CN104742364A true CN104742364A (en) | 2015-07-01 |
| CN104742364B CN104742364B (en) | 2016-11-30 |
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| CN105415682B (en) * | 2015-12-15 | 2017-06-16 | 中国计量大学 | A kind of 3D printing device |
| WO2017148100A1 (en) * | 2016-03-02 | 2017-09-08 | 珠海赛纳打印科技股份有限公司 | Method and system for fabricating color 3d object |
| CN107150437A (en) * | 2016-03-02 | 2017-09-12 | 珠海赛纳打印科技股份有限公司 | The frequency conversion Method of printing and system of a kind of color 3D object |
| CN107160671A (en) * | 2016-03-02 | 2017-09-15 | 珠海赛纳打印科技股份有限公司 | The preparation method and system of a kind of color 3D object |
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| CN107160679A (en) * | 2016-03-08 | 2017-09-15 | 三纬国际立体列印科技股份有限公司 | Three-dimensional printing machine |
| CN106704631A (en) * | 2017-03-07 | 2017-05-24 | 北京交通大学海滨学院 | Selector valve for multifunctional expandable FDM-3D printer external mixer |
| CN110076993A (en) * | 2019-05-14 | 2019-08-02 | 李连海 | A kind of medical three dimension model printer |
| CN113500778A (en) * | 2021-08-16 | 2021-10-15 | 吉林大学 | Multi-material multifunctional switchable 3D printing system and method |
| CN113500778B (en) * | 2021-08-16 | 2022-03-15 | 吉林大学 | Multi-material multifunctional switchable 3D printing system and method |
| CN113799391A (en) * | 2021-09-15 | 2021-12-17 | 泉州信息工程学院 | 3D printer multicolor wire feeding device and working method thereof |
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Effective date of registration: 20180129 Address after: 110179 China (Liaoning) free trade test zone, Shenyang section, No. 109-1 (No. 109-1), No. 247-10175, room 247-10175, room 247-10175 Patentee after: Liaoning color 3D printer Co. Ltd. Address before: 110023 No. 273, No. 115, South seven Zhong Road, Tiexi District, Shenyang, Liaoning Patentee before: Zhou Jian |