CN207154779U - The double shower nozzle powdered feed 3D printing equipments of one kind mixing extrusion continous way - Google Patents
The double shower nozzle powdered feed 3D printing equipments of one kind mixing extrusion continous way Download PDFInfo
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- CN207154779U CN207154779U CN201720982709.5U CN201720982709U CN207154779U CN 207154779 U CN207154779 U CN 207154779U CN 201720982709 U CN201720982709 U CN 201720982709U CN 207154779 U CN207154779 U CN 207154779U
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Abstract
The utility model discloses a kind of double shower nozzle powdered feed 3D printing equipments of mixing extrusion continous way, is made up of side drawing-in device, print platform, fixed support plate and 3D printing frame；The side drawing-in device is fixed on fixed support plate, print platform is fixed on the crossbeam of 3D printer frame, 3D printing frame includes stepper motor and along X, Y, the guide rail of Z axis motion, print platform can move along the rail, print platform is flexibly connected with fixed support plate, side drawing-in device includes double screw extruder, the utility model, which solves the equipment of single nozzle feeding 3D printing in the prior art, to print base substrate and support with same material, blank sintering rear support material and base substrate are easily fixedly arranged at one piece of technical problem, twin-screw side feeding is realized while conveying major ingredient, while conveying support material, realize the printing to labyrinth shaped piece, improve the uniformity of material mixing, improve molding blank precision.
Description
Technical field
3D printing field is the utility model is related to, more particularly to a kind of double shower nozzle powdered feed 3D of mixing extrusion continous way are beaten
Printing equipment is standby.
Technical background
At present, the existing a variety of moulding process of three-dimensional printing technology, 3D printing technique at present oneself turn into the whole world most pay close attention to it is new
One of emerging technology.This new mode of production will promote the reality of the third time industrial revolution together with other Digitalisation Manufacture Modes
It is existing.It is printed material to restrict the wherein one big bottleneck that 3D printing technique develops rapidly, particularly metallic print material.Research and development and
The metal material that production performance is more preferable and versatility is stronger is the key for lifting 3D printing technique.It is direct in high-performance metal component
Using 3D printing technique manufacture view, it is necessary to particle diameter is thin, uniform particle sizes, high sphericity, all kinds of metal dusts of low oxygen content, and
And the requirement of its Forming Quality is high, surface fine, and for metal dust without being wrapped completely, mixing is uneven in the prior art,
It is relatively low that impact displacement, tensile strength, hardness, elongation percentage physical and mechanical properties are carried out to the molding blank of printing.
Chinese patent 201610655450.3 discloses a kind of twin-jet nozzle 3D printer head device, including：Spray
Nozzle assembly (1) and nozzle assembly (20), wherein, nozzle assembly (1) is inserted into radiator (2), is locked by machine-processed rice screw；It hurry up
Joint (9) is by spinning or gluing mode is assembled on radiator (2)；Nozzle assembly (20) is inserted into radiator (19)
In, locked by machine-processed rice screw；Fast joint (10) is by spinning or gluing mode is assembled on radiator (19)；Radiating
Device (2) is assembled together by screw and radiator yoke plate (6)；Radiator (19) is assembled by screw and radiator yoke plate (17)
To together.The feelings that the print qualities such as model is defiled, staggered floor occurs, model comes off decline or even printing fails can effectively be eliminated
Condition.201310719206.5 disclose a kind of melt differential three-dimensional printer, mainly by material melts unit, droplet ejection list
Member, cylindrical-coordinate system forming unit and frame are formed；In material melts unit, servomotor drive screw rotates, in machine barrel
Fixed heater ensures that pellet plastifies completely by temperature adjusting, and fused materials are by screw rod transmission to droplet ejection unit；
In droplet ejection unit, fused materials are transported in valve body along the hot flow path in runner plate, and linear servo-actuator valve needle exists
Move back and forth, fused materials are quantified, intermittently extrusion nozzle in valve body, form melt droplet；It is molded in cylindrical-coordinate system single
In member, cool down deposition modeling on melt droplet ejection to plummer, left and right, vertical direction servomotor respectively with corresponding screw rod
Engagement is rotated to drive material melts unit and droplet ejection unit to be moved along left and right, vertical direction, and circumferential servomotor passes through
Worm drive is equipped with the plummer rotation of worm gear, realizes the three-dimensional motion under cylindrical-coordinate system.But due to wire drawing machine extrusion
Strands toughness is low, and print procedure is easily broken, due to chip effect can only specific material, easily wind in print procedure.
201520753192.3 disclose a kind of fused deposition 3D printer with assembled screw rod, including pedestal, elevating mechanism, beat
Print platform and extrusion mechanism, the print platform are installed on pedestal, and the extrusion mechanism is installed on printing by elevating mechanism
Above platform, the extrusion mechanism includes machine barrel, combined type extrusion screw rod and main hopper, and the main hopper is installed on the upper of machine barrel
End, the combined type extrusion screw rod include extrusion screw rod main body, extrusion screw rod head and extrude check ring, the extrusion screw rod head,
Extrusion check ring and extrusion screw rod main body are mounted on machine barrel, and the extrusion screw rod head, extrusion check ring and extrusion screw rod master
Body is distributed from bottom to top in the extruding cavity of machine barrel；The upper end of the extrusion screw rod head passes through extrusion check ring and extrusion screw rod main body
Lower end connection, the upper end of the extrusion screw rod main body is connected with extruder motor；The utility model dismount and repair it is very convenient,
And manufacturing cost is low.But the fused deposition 3D printer of the assembled screw rod fills with single nozzle feeding 3D printing of the prior art
It is standby the same, base substrate and support can only be printed with same material, one is easily fixedly arranged to blank sintering rear support material and base substrate
Block, and the billet surface after printing is rougher.
Utility model content
In view of this, the purpose of the utility model embodiment is that providing a kind of double shower nozzle powders of mixing extrusion continous way feeds
3D printing equipments are expected, so that above mentioned problem is improved.
To achieve these goals, the utility model embodiment adopts the following technical scheme that realization：
The double shower nozzle powdered feed 3D printings equipments of mixing extrusion continous way are by side drawing-in device, print platform, solid
Determine supporting plate and 3D printing frame composition；
The side drawing-in device is fixed on fixed support plate, and print platform is fixed on the crossbeam of 3D printing frame III
On, print platform is flexibly connected with fixed support plate；
The annexation of the side drawing-in device right half part is：Stepper motor I is connected with decelerator a, locks facing
Decelerator a is locked, decelerator a is connected by shaft coupling with gear-box, and gear-box is connected with the right-hand member of twin-screw external barrel I；Side
Side drawing-in device is fixed on fixed support plate by fixed support, and fixed support plate is supported on 3D printer by fixed corner fittings
On frame, 3D printing frame includes stepper motor II and the guide rail moved along X, Y, Z axis；Print platform can move along the rail, printing
Platform includes print platform supporting plate；
The twin-screw external barrel I is provided with heating collar a, the left end of twin-screw external barrel I by ring flange converting interface with
Fixation an actor's rendering of an operatic tune of single screw rod external barrel II is vertically connected, and heating rod is inserted into inside fixed an actor's rendering of an operatic tune；The side drawing-in device
Right half part of the left-half with removing side feeding remaining structure it is symmetrical, motor locking cover locking decelerator a, motor with
Decelerator b connections, single screw rod external barrel II are provided with heating collar b, and the bottom of single screw rod external barrel II is provided with pressurize an actor's rendering of an operatic tune, single
The discharging opening end of screw rod external barrel II is provided with printing head, and printing head is provided with air valve thimble.
The heating collar a of the symmetrical single part of side drawing-in device is one, and heating collar b is three.
The twin-screw is incorgruous rotation.
The side drawing-in device drives twin-screw to rotate by motor driven decelerator a by shaft coupling, then by bevel gear
Engagement makes the incorgruous rotation of twin-screw, is rotated by single screw rod helical feed by ring flange converting interface, passed through under pressure and temperature
Pressurize chamber runner, material is transported at nozzle.The device leftmost nozzle conveys supporting material, and nozzle of the right with twin-screw is beaten
Print major ingredient, realize the printing to labyrinth shaped piece, twin-screw side feeding improves the uniformity of material mixing, to improve into
Parison body precision plays a key effect.
It is as follows that the double shower nozzle powdered feed 3D printing equipments of this mixing extrusion continous way prepare moulding process：
1. 150 DEG C -180 DEG C or so by metal dust and high polymer material (PLA, PP, POM, SA, EVA, SA) in double spiral shells
Heat drives twin-screw mixed material by motor by shaft coupling altogether for bar mixing, material is first well mixed；Twin-screw rotating speed is
10r/min-40r/min；
2. and then extruded again by Single screw extrusion by nozzle, rotating speed in 5r/min-25r/min, 35 DEG C of platform temperature-
45 DEG C, polymer melting temperature is 155 DEG C -185 DEG C, and leftmost nozzle conveying supporting material, the right carries the nozzle print of twin-screw
Major ingredient；
3. the metallic article with high accuracy and high surface finish can be obtained using degreasing-sintering process after optimization,
Skimming temp is 100 DEG C -500 DEG C, 800 DEG C -1380 DEG C of sintering temperature.
4. when printing plus the base substrate of backing material, it can facilitate after blank forming and soluble support materials are dismantled, obtain
To stainless steel moulded products.
The double shower nozzle powdered feed 3D printing equipments of this mixing extrusion continous way are than being beaten using single nozzle and with same material
Hand-pressing body and support will get well, and overcome and one piece is fixedly arranged to blank sintering rear support material and base substrate, mixing extrusion continous way is double
Shower nozzle powdered feed 3D printing equipment is easy to support to remove after blank sintering and adhesion is on base substrate；Improve printing
Precision, break through the limitation of homogenous material, the printing of a variety of composites can be mixed so that printing cost reduce.
The technical solution of the utility model at least has the following advantages that and beneficial effect：
By said apparatus, 1. solving the equipment of single nozzle feeding 3D printing in the prior art can only use together the utility model
A kind of material printing base substrate and support, blank sintering rear support material and base substrate are easily fixedly arranged at one piece of technical problem, for
Picture stainless steel of the printing with support, ceramic, after copper slurry blank forming, degreasing sintered rear support easily removes, and improves precision,
One piece is easily consolidated into after combined type single nozzle sintering, is easily destroyed body；
2. the device leftmost nozzle conveys supporting material, the right carries the nozzle print major ingredient of twin-screw, realizes and complexity is tied
The printing of structure shaped piece, twin-screw side feeding improve the uniformity of material mixing, and key is played to improving molding blank precision
Effect；
3. the device can facilitate after blank forming and soluble support materials are torn open when printing plus the base substrate of backing material
Fall, than printing base substrate using single nozzle and with same material and supporting good, blank sintering rear support material and base substrate consolidation
It is overcome one piece the problem of, the double shower nozzle powdered feed 3D printings equipments of mixing extrusion continous way are easy to after blank sintering
Support is removed and adhesion is on base substrate.The precision of printing is improved, breaks through the limitation of homogenous material, can be mixed a variety of multiple
The printing of condensation material so that printing cost reduces；
4. base substrate and combined type single screw rod feeding single nozzle molding blank that the double shower nozzles of mixing extrusion continous way are printed
Every physical and mechanical properties all increases with the increase of stainless steel content；
5. the utility model can also be printed as a variety of composites of the graininess such as ceramics, TPU, copper slurry etc, dash forward
The limitation of wire rod can only be printed by having broken original printer, expand the scope of 3D printing material requested significantly；
6. when a nozzle operation, the air valve thimble of another nozzle can prevent the outflow of material, solve and beat
The gravity flow of material during print, improves printing precision, while save material；
7. the utility model can print hanging base substrate, the low soluble support of bottom cost, body is beaten with major ingredient
Print, reduces cost, and overcoming single injector can only print from the accumulation of bottom in layer, and support is difficult to peel off, destructible sheet
Body；
8. pressurize die cavity runner uses ' U ' type runner, play buffering barrel pressure and feed pressure is stable so that material
Uniformly conveying, it is not easy to putty；
9. using twin-screw side feeding extrusion, wherein using incongruous double screw mixing extrusion way so that material is mixing
With enough discharge pressures during conveying, solves phenomenon under feeding, and composite mixing is more uniform, improves and beats
Precision is printed, solves the problems, such as that conventional printer precision is low；And use single twin-screw side feeding, another part without using
Twin-screw side feeding, processing cost is reduced, and print and support without using twin-screw side feeding part, the support of printing
Differ with body precision, support is more easily peelable and identifies；
10. single nozzle has the problem of support is difficult to remove after being printed upon printing idiosome：When dynamics is inadequate, support is difficult to
Remove；And it is firmly excessive, model can be destroyed.The utility model can use two kinds of characteristics not using double nozzle printing modes
Printed with material, support can use the materials such as water solubility, easily remove, be difficult to prop up after effectively solving blank forming
The problem of support.
11. the strands toughness for overcoming wire drawing machine extrusion in the prior art is low, print procedure is easily broken, and in general strands are beaten
Print machine due to chip effect can only specific material, in print procedure easily winding the problem of.
Brief description of the drawings
Fig. 1 is that the double shower nozzle powdered feed 3D printing three dimensional device structure top views of continous way are extruded in the mixing；
Fig. 2 is the side drawing-in device structure top view；
Fig. 3 is the equipment lower junction composition；
Fig. 4 is the equipment twin-screw extrusion partial appearance structure chart；
Fig. 5 is that the double shower nozzle powdered feed 3D printings equipment process charts of continous way are extruded in the mixing；
Fig. 6 is metal dust and binding agent mixed sweep electron microscope；
(a) combined type single screw rod feeding single nozzle extrusion metal dust mixes with binding agent；
(b) the double shower nozzle metal dusts of mixing extrusion continous way mix with binding agent；
Fig. 7 is printing base substrate figure；
(a) the double nozzle printing base substrates of combined type single screw rod feeding single nozzle molding blank (b) mixing extrusion continous way；
Different stainless steel parts contain under the conditions of Fig. 8 is combined type single screw rod feeding single nozzle and mixes the double shower nozzles of extrusion continous way
The physical and mechanical properties figure of sample after the lower sintering of amount；
Wherein, parts title corresponding to reference is as follows：
I-side drawing-in device, II-print platform, III -3D printing frame, IV- fixed support plates, 1- motors, 2- chargings
Cylinder, 3- electromechanical locks tight sets, 4- decelerators b, 5- single screw rod, 6- locking facings, 7- sensor interfaces, 8- heating rods, 9- fix row
Chamber, 10- heating collars a, 11- fixed support, 12- twin-screws, 13- gear-boxes, 14- shaft couplings, 15- locking facings, 16- decelerators
A, 17- stepper motor I, 18- machine barrels I, 19- heating collars b, 20- machine barrel II, 21- pressurize an actor's rendering of an operatic tune, 22- printing heads, 23- air valves
Thimble, 24- fix corner fittings, 25- guide rails, 26- print platform supporting plates, 27- stepper motors II.
Specific embodiment
The utility model is illustrated with specific embodiment below in conjunction with the accompanying drawings.
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with accompanying drawing, to this
Technical scheme in utility model embodiment carries out clear, complete description.Obviously, described embodiment is the utility model
Part of the embodiment, rather than whole embodiment.
Therefore, this claimed practicality is not intended to limit newly to the detailed description of embodiment of the present utility model below
The scope of type, but it is merely representative of section Example of the present utility model.It is general based on the embodiment in the utility model, this area
The every other embodiment that logical technical staff is obtained under the premise of creative work is not made, belong to the utility model guarantor
The scope of shield.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer ", " back side " or position relationship are to be closed based on orientation shown in the drawings or position
System, or the utility model product using when the orientation usually put or position relationship.This kind of term, which is for only for ease of, to be retouched
State the utility model and simplify and describe, rather than instruction or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
It should also be noted that, in description of the present utility model, unless otherwise clearly defined and limited, term " is set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, intermediary can also be passed through
It is indirectly connected, can is the connection of two element internals.To those skilled in the art, can understand as the case may be
Concrete meaning of the above-mentioned term in the utility model.
As Figure 1-4, the side feeding 3D printing equipment is by side drawing-in device I, print platform II, fixed support
Plate IV and 3D printing frame III form；
The side drawing-in device I is fixed on fixed support plate IV, and print platform II is fixed on 3D printing frame III
On crossbeam, print platform II is flexibly connected with fixed support plate IV；
The annexation of the right half part of side drawing-in device I is：Stepper motor I 17 is connected with decelerator a 16, lock
Tight facing 15 locks decelerator a 16, and decelerator a 16 is connected by shaft coupling 14 with gear-box 13, gear-box 13 and twin-screw
The right-hand member of 12 external barrel I 18 connects；Side drawing-in device I is fixed on fixed support plate IV by fixed support 11, fixed branch
Fagging IV is supported in 3D printing frame III by fixed corner fittings 24,3D printing frame III include stepper motor II 27 and along X,
Y, the guide rail 25 of Z axis motion；Print platform II can move along guide rail 25, and print platform II includes print platform supporting plate 26；
The external barrel of twin-screw 12 is provided with heating collar a 10, and the external barrel left end of twin-screw 12 is transferred by ring flange
Fixation an actor's rendering of an operatic tune 9 of mouth and the external barrel II of single screw rod 5 is vertically connected, and heating rod 8 is inserted into inside fixed an actor's rendering of an operatic tune 9；The side
The remaining structure of right half part of the left-half of drawing-in device I with removing side feeding is symmetrical, and the locking of electromechanical locks tight set 3 is slowed down
Device b 4, motor 1 are connected with decelerator b 4, and the external barrel II 20 of single screw rod 5 is provided with heating collar b 19, the external barrel of single screw rod 5
II bottom is provided with pressurize an actor's rendering of an operatic tune 21, and the discharging opening end of 5 external barrel of single screw rod II is provided with printing head 22, on printing head 22
Provided with air valve thimble 23.
The heating collar a 10 of the I symmetrical single part of side drawing-in device is one, and heating collar b 19 is three
It is individual.
The twin-screw 12 is incorgruous rotation.
As shown in figure 5, the double shower nozzle powdered feed 3D printing equipments of this mixing extrusion continous way prepare moulding process flow process such as
Under：
1. metal dust and high polymer material are carried out into blending granulation, the double sprays of continous way are extruded by the mixing of independent research
Head powdered feed 3D printing equipment, realizes the melt conveying of uniform, controllable, at low temperature by successively accumulating, realizes to shaped piece
The functionalization printing of base substrate；First 150 DEG C -180 DEG C or so by metal dust and high polymer material (PLA, PP, POM, SA,
EVA, SA) double-screw mixing amount to heat by motor by shaft coupling drive twin-screw mixed material, material is first well mixed；It is double
Screw speed is 10r/min-40r/min；
2. and then extruded again by Single screw extrusion by nozzle, rotating speed in 5r/min-25r/min, 35 DEG C of platform temperature-
45 DEG C, polymer melting temperature is 155 DEG C -185 DEG C, and leftmost nozzle conveying supporting material, the right carries the nozzle print of twin-screw
Major ingredient；
3. degreasing-sintering process after optimization is recycled to obtain the metal system with high accuracy and high surface finish
Product, skimming temp are 100 DEG C -500 DEG C, 800 DEG C -1380 DEG C of sintering temperature；
4. when printing plus the base substrate of backing material, it can facilitate after blank forming and soluble support materials are dismantled, obtain
To stainless steel moulded products.
Single nozzle printer metal dust is understood from Fig. 6 (a) without being wrapped completely, mixing is uneven, influences product
Formed precision, it can be seen that binding agent is uniformly wrapped in metal dust from Fig. 6 (b), metal powder granulates and particle it
Between contact with each other in the case of, the gap of the full metal powder granulates of Binder Composition filling and metal powder granulates, show binding agent
Optimal with metal dust mixed effect, the formed precision of product is high.
At 175 DEG C same of feeding temperature, extruded velocity 6rmin-1, when workbench temperature is 45 DEG C, base substrate
Formed precision such as Fig. 7, mixing extrusion continous way twin-screw Pouring oar is higher than single screw rod feeding formed precision, demonstrates material
Scattered uniformity.
The double shower nozzles of mixing extrusion continous way are can be seen that from the physical and mechanical properties comparison diagram of sample after Fig. 8 sintering to beat
The base substrate of print is with every physical and mechanical properties of combined type single screw rod feeding single nozzle molding blank with the increasing of stainless steel content
Add and all increase；
(1) from Fig. 8 (a), with the increase of stainless steel powder content, the impact displacement of molding blank slowly declines, but
It is that the double shower nozzles of mixing extrusion continous way print base substrate to impact Displacement Ratio combined type single screw rod feeding single nozzle molding blank small,
When the content of stainless steel powder reaches 97.5%, the impact displacement of two kinds of molding blanks is more or less the same.
(2) from Fig. 8 (b), with the increase of stainless steel powder content, the tensile strength of molding blank is slowly increased, and is mixed
Close the double shower nozzles of extrusion continous way, the explanation bigger than combined type single screw rod feeding single nozzle molding blank that print base substrate tensile strength
The former mechanical performance of base substrate is more better than the latter molding blank, and when stainless steel powder content reaches 97.5%, two kinds into parison
The tensile strength of body is more or less the same, and performance is similar.
(3) from Fig. 8 (c), with the increase of stainless steel powder content, the hardness of molding blank is slowly increased, and mixing is squeezed
Go out the double shower nozzles of continous way, the physical and mechanical properties bigger than combined type single screw rod feeding single nozzle molding blank that print base substrate hardness
Preferably, when the content of stainless steel powder reaches 97.5%, the hardness of two kinds of molding blanks is more or less the same.
(4) from Fig. 8 (d), with the increase of stainless steel powder content, the elongation percentage of molding blank slowly declines, still
It is smaller than combined type single screw rod feeding single nozzle molding blank that the double shower nozzles of mixing extrusion continous way print base substrate elongation percentage, explanation
The former physical and mechanical properties is better, when the content of stainless steel powder reaches 97.5%, the elongation percentage phase of two kinds of molding blanks
Poor little, mechanical performance is more or less the same.
Embodiments above is merely to illustrate and unrestricted the technical solution of the utility model.The utility model essence is not departed from
Any modification or partial replacement of god, all should cover among right of the present utility model.
Claims (3)
1. the double shower nozzle powdered feed 3D printing equipments of one kind mixing extrusion continous way, it is characterised in that：
The double shower nozzle powdered feed 3D printing equipments of mixing extrusion continous way are by side drawing-in device, print platform, fixed branch
Fagging and 3D printing frame composition；
The side drawing-in device is fixed on fixed support plate, and print platform is fixed on the crossbeam of 3D printing frame III, is beaten
Print platform is flexibly connected with fixed support plate；
The annexation of the side drawing-in device right half part is：Stepper motor I is connected with decelerator a, locking facing locking
Decelerator a, decelerator a are connected by shaft coupling with gear-box, and gear-box is connected with the right-hand member of twin-screw external barrel I；Feed side
Material device is fixed on fixed support plate by fixed support, and fixed support plate is supported on 3D printing frame by fixed corner fittings
On, 3D printing frame includes stepper motor II and the guide rail moved along X, Y, Z axis；Print platform can move along the rail, and printing is flat
Platform includes print platform supporting plate；
The twin-screw external barrel I is provided with heating collar a, and the left end of twin-screw external barrel I passes through ring flange converting interface and single spiral shell
Fixation an actor's rendering of an operatic tune of bar external barrel II is vertically connected, and heating rod is inserted into inside fixed an actor's rendering of an operatic tune；A left side for the side drawing-in device
The remaining structure of right half part of the half part with removing side feeding is symmetrical, motor locking cover locking decelerator a, and motor is with slowing down
Device b connections, single screw rod external barrel II are provided with heating collar b, and the bottom of single screw rod external barrel II is provided with pressurize an actor's rendering of an operatic tune, outside single screw rod
The discharging opening end of portion's machine barrel II is provided with printing head, and printing head is provided with air valve thimble.
2. the double shower nozzle powdered feed 3D printing equipments of a kind of mixing extrusion continous way according to claim 1, its feature exist
In：The heating collar a of the symmetrical single part of side drawing-in device is one, and heating collar b is three.
3. the double shower nozzle powdered feed 3D printing equipments of continous way are extruded according to a kind of any described mixing of claim 1-2, its
It is characterised by：The twin-screw is incorgruous rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720982709.5U CN207154779U (en) | 2017-08-08 | 2017-08-08 | The double shower nozzle powdered feed 3D printing equipments of one kind mixing extrusion continous way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720982709.5U CN207154779U (en) | 2017-08-08 | 2017-08-08 | The double shower nozzle powdered feed 3D printing equipments of one kind mixing extrusion continous way |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207154779U true CN207154779U (en) | 2018-03-30 |
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ID=61715398
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720982709.5U Expired - Fee Related CN207154779U (en) | 2017-08-08 | 2017-08-08 | The double shower nozzle powdered feed 3D printing equipments of one kind mixing extrusion continous way |
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| Country | Link |
|---|---|
| CN (1) | CN207154779U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671293A (en) * | 2017-08-08 | 2018-02-09 | 青岛科技大学 | The double shower nozzle powdered feed 3D printing equipments of one kind mixing extrusion continous way |
| CN113478606A (en) * | 2021-06-18 | 2021-10-08 | 上海建工建材科技集团股份有限公司 | 3D printing double-nozzle device with clay as supporting material and using method |
-
2017
- 2017-08-08 CN CN201720982709.5U patent/CN207154779U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671293A (en) * | 2017-08-08 | 2018-02-09 | 青岛科技大学 | The double shower nozzle powdered feed 3D printing equipments of one kind mixing extrusion continous way |
| CN113478606A (en) * | 2021-06-18 | 2021-10-08 | 上海建工建材科技集团股份有限公司 | 3D printing double-nozzle device with clay as supporting material and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180330 Termination date: 20190808 |