CN109263044A - A kind of adjustable 3D printing spray head of flow - Google Patents
A kind of adjustable 3D printing spray head of flow Download PDFInfo
- Publication number
- CN109263044A CN109263044A CN201811108667.8A CN201811108667A CN109263044A CN 109263044 A CN109263044 A CN 109263044A CN 201811108667 A CN201811108667 A CN 201811108667A CN 109263044 A CN109263044 A CN 109263044A
- Authority
- CN
- China
- Prior art keywords
- nozzle body
- plunger shaft
- heating chamber
- raw material
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
-
- 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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/295—Heating elements
-
- 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)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of adjustable 3D printing spray heads of flow, including nozzle body, piston, rotating disk and heating chamber, top inside the nozzle body is equipped with plunger shaft, heating chamber is equipped with inside nozzle body below plunger shaft, it is equipped with reserved chamber inside nozzle body below heating chamber, reserves the nozzle body bottom below chamber and is equipped with funnel-form discharge port.The present invention is moved up and down by piston, realize that the continuous self-priming of raw material does not need to shut down replacement ejecting device, improve printing effect, and when one end of screw rod is fixed through different jacks and rotating disk, the flow of spray head can be changed, simultaneously when piston moves down, rotate fixed link, and raw material can move down discharge along external spiral, raw material inside plunger shaft is set to generate an eddy current effect, similar stirring, prevent raw material from solidifying in plunger shaft, and electrothermal tube also is improved to raw material heating efficiency and is prevented after material spray, raw material generates wire drawing in funnel discharge outlet.
Description
Technical field
The present invention relates to 3D printing spray head technical field, specially a kind of adjustable 3D printing spray head of flow.
Background technique
3D printing (3DP) i.e. one kind of rapid shaping technique, it is one kind based on digital model file, with powder
The adhesive materials such as shape metal or plastics construct the technology of object by layer-by-layer printing, and 3D printing is usually to use
Digital technology file printing machine is often used for modeling in fields such as mold manufacture, industrial designs come what is realized, after gradually use
In the direct manufacture of some products, have using components made of the printing of this technology, the technology is in jewelry, footwear, work
Industry design, building, engineering and construction (AEC), automobile, aerospace, dentistry and medical industries, education, GIS-Geographic Information System, soil
Wood engineering, gun and other field are all applied.
And 3D printing spray head is the important component of 3D printing, existing 3D printing extruder head is in printing workpiece fabrication
In, flow is fixed and invariable, when printing workpiece needs bigger extrusion output, it is necessary to replace the spray of spray head difference bore
Head, while current some sprinkler designs is to be intended for single use, the raw material in barrel is limited to can not achieve continuous printing, needs to shut down
Replace barrel, the efficiency for affecting printing serious in this way.
Summary of the invention
The purpose of the present invention is to provide a kind of adjustable 3D printing spray heads of flow, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of adjustable 3D printing spray head of flow, including spray
Head main body, piston, rotating disk and heating chamber, the top inside the nozzle body are equipped with plunger shaft, the spray head below plunger shaft
Body interior is equipped with heating chamber, and reserved chamber is equipped with inside the nozzle body below heating chamber, reserves the nozzle body bottom below chamber
Portion is equipped with funnel-form discharge port, and the inside of the plunger shaft is equipped with piston, and the two sides inside plunger shaft are all equipped with through-hole, through-hole
Inside is equipped with check valve, and the middle position of the piston base is equipped with fixed link by bearing, sets on the outside of fixed link
There is external spiral, and one end of fixed link extends to inside heating chamber, the inner sidewall of the heating chamber is equipped with inside spin, outside heating chamber
Multiple electrothermal tubes are equidistantly equipped with inside the nozzle body of side, the side at the top of the nozzle body is equipped with bracket, bracket
Top is equipped with motor, and the output end of motor is fixedly connected with rotating disk, and is equidistantly equipped with 3 jacks in rotating disk vertically,
The middle position of the top land is equipped with connecting rod, and one end of connecting rod, which extends at the top of nozzle body, to be hinged with hingedly
Bar, the one end of the hinge bar far from connecting rod are equipped with inserted link by shaft, and inserted link is equipped with spiral shell far from one end of hinge bar
Bar, and one end of screw rod jack therethrough.
Preferably, the side at the top of the plunger shaft is equipped with groove, and the side of inside grooves is equipped with fixing roller, fixing roller
Both ends torsional spring is all installed, and the side of fixing roller is equipped with fixed plate.
Preferably, it is equipped with sealing ring between the fixed plate and groove, and is equipped at the top of the nozzle body above sealing ring
Feed pipe.
Preferably, the length of the fixed link is equal to the depth of heating chamber.
Preferably, the flow direction of the check valve is the bottom from the top of plunger shaft to plunger shaft.
Preferably, the inside spin is mutually matched with external spiral.
Compared with prior art, the beneficial effects of the present invention are: the adjustable 3D printing spray head of the flow,
1, by the way that piston is arranged in the inside of plunger shaft, through-hole, the inside peace of through-hole is all arranged in the two sides inside plunger shaft
Check valve is filled, the flow direction of check valve is the bottom from the top of plunger shaft to plunger shaft, and branch is installed in the side at the top of nozzle body
Motor is installed at frame, the top of bracket, and the output end of motor is fixedly connected with rotating disk, and the middle position of top land installs connection
Bar, one end of connecting rod extend to hinged hinge bar at the top of nozzle body, and the one end of hinge bar far from connecting rod is pacified by shaft
Plug bar, inserted link installs screw rod far from one end of hinge bar, and one end of screw rod jack therethrough, at the top of plunger shaft
Groove is arranged in side, and fixing roller is installed in the side of inside grooves, and torsional spring, and the side peace of fixing roller are all installed in the both ends of fixing roller
Fixed plate is filled, sealing ring is set between fixed plate and groove, and feed pipe, motor are set at the top of the nozzle body above sealing ring
Output end rotation drive rotating disk rotation, rotating disk rotation drive hinge bar one end move in a circle, keep hinge bar another
End drives connecting rod to move up and down, to make piston up-down, when the piston is moving down, makes in the plunger shaft of top land
The volume in portion becomes larger, and pressure is reduced, and enters inside the plunger shaft of top land so that the raw material inside feed pipe washes fixed plate open,
When the piston is moving up, the volume inside the plunger shaft of top land is made to become smaller, pressure increases, so that check valve is opened,
Raw material is entered inside the plunger shaft of piston base by through-hole, completes suction, and such piston moves back and forth up and down, is realized former
Expect continuous self-priming, and do not need to shut down replacement ejecting device, improves printing effect.
2, by and rotating disk on be equidistantly vertically arranged 3 jacks, when hinge bar one end screw rod run through rotating disk
When upper different jack and fixed rotating disk, motor rotation drives rotating disk rotation, and one end of hinge bar will be made to do circumference fortune
The diameter of dynamic circular trace is different, therefore the distance that connecting rod moves up and down will be different, and because regardless of screw rod is through rotation
Which jack is fixed with rotating disk on disk, and the time used of one circle of rotating disk rotation is identical, so rotating disk drives hinge bar
One end time that moves in a circle is identical, so that the raw material volume drawn and ejected in the unit time will be different, therefore is not required to
The bore for replacing ejecting device can change flow.
3, fixed link is installed by bearing by the middle position in piston base, outer spiral shell is arranged in the outside of fixed link
Rotation, and one end of fixed link extends to inside heating chamber, inside spin, and inside spin and external spiral phase is arranged in the inner sidewall of heating chamber
Mutually matching, the length of fixed link is equal to the depth of heating chamber, when piston moves down, drive fixed link inside heating chamber to
Lower movement, because external spiral is arranged in the outside of fixed link, inside spin is arranged in the inner sidewall of heating chamber, and inside spin is mutual with external spiral
Matching, can be such that fixed link rotates, and fixed link rotates, and can generate the active force for drawing raw material inside plunger shaft downwards, simultaneously
Raw material is discharged along external spiral inside piston press plunger shaft, and when raw material is moved down along external spiral, a band can be generated
The active force of dynamic fixed link rotation, while raw material inside plunger shaft can be made to generate an eddy current effect, similar stirring prevents raw material
It solidifies, after material spray, piston last time is moved upwards, and can be drawn the raw material that spray head goes out to intracavitary portion is reserved, be prevented original
Material goes out in funnel-form discharge port forms wire drawing.
4, by the multiple electrothermal tubes of spaced set inside the nozzle body on the outside of heating chamber, when raw material is along external spiral
When being discharged when moving down, extend raw material in the heating chamber residence time, so that electrothermal tube is more abundant to raw material heating.
In conclusion moving up and down by piston, realizes that the continuous self-priming of raw material does not need to shut down replacement ejecting device, mentions
High printing effect, and when one end of screw rod is fixed through different jacks and rotating disk, the flow of spray head can be changed, simultaneously
When piston moves down, rotate fixed link, and raw material can move down discharge along external spiral, make inside plunger shaft
Raw material generates an eddy current effect, and similar stirring prevents raw material from solidifying in plunger shaft, and also improves electrothermal tube and add to raw material
It the thermal efficiency and prevents after material spray, raw material generates wire drawing in funnel discharge outlet.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is side structure schematic view of the present invention；
Fig. 3 is heating chamber overlooking structure diagram of the present invention；
Fig. 4 is partial enlarged view at the A of Fig. 1.
In figure: 1, reserving chamber；2, inside spin；3, nozzle body；4, piston；5, check valve；6, bracket；7, rotating disk；8,
Jack；9, hinge bar；10, connecting rod；11, plunger shaft；12, through-hole；13, fixed link；14, electrothermal tube；15, heating chamber；16, it leaks
Bucket-shaped discharge port；17, motor；18, screw rod；19, inserted link；20, fixing roller；21, sealing ring；22, groove；23, fixed plate；24,
Torsional spring；25, external spiral；26, feed pipe.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, a kind of embodiment provided by the invention: a kind of adjustable 3D printing spray head of flow, including spray head
Main body 3, piston 4, rotating disk 7 and heating chamber 15, the top inside nozzle body 3 are equipped with plunger shaft 11,11 lower section of plunger shaft
It is equipped with heating chamber 15 inside nozzle body 3, is equipped with reserved chamber 1 inside the nozzle body 3 of 15 lower section of heating chamber, reserves 1 lower section of chamber
3 bottom of nozzle body be equipped with funnel-form discharge port 16, the side at the top of plunger shaft 11 is equipped with groove 22, one inside groove 22
Side is equipped with fixing roller 20, and the both ends of fixing roller 20 are all equipped with torsional spring 24, and the side of fixing roller 20 is equipped with fixed plate 23,
It is equipped with sealing ring 21 between fixed plate 23 and groove 22, and is equipped with feed pipe 26 at the top of the nozzle body 3 of 21 top of sealing ring, it is living
The inside for filling in chamber 11 is equipped with piston 4, and the two sides inside plunger shaft 11 are all equipped with through-hole 12, and the inside of through-hole 12 is equipped with check valve
5, the flow direction of check valve 5 is from the top of plunger shaft 11 to the bottom of plunger shaft 11, and the middle position of 4 bottom of piston passes through axis
It holds and fixed link 13 is installed, the outside of fixed link 13 is equipped with external spiral 25, and one end of fixed link 13 extends in heating chamber 15
Portion, the length of fixed link 13 are equal to the depth of heating chamber 15, and the inner sidewall of heating chamber 15 is equipped with inside spin 2, inside spin 2 and outer spiral shell
Rotation 25 is mutually matched, and 3 inside of nozzle body in 15 outside of heating chamber is equidistantly equipped with multiple electrothermal tubes 14,3 top of nozzle body
Side bracket 6 is installed, the top of bracket 6 is equipped with motor 17, and the output end of motor 17 is fixedly connected with rotating disk 7, and
Equidistant in rotating disk 7 to be equipped with 3 jacks 8 vertically, the middle position at 4 top of piston is equipped with connecting rod 10, connecting rod 10
One end extend at the top of nozzle body 3 and be hinged with hinge bar 9, the one end of hinge bar 9 far from connecting rod 10 passes through shaft and installs
There is an inserted link 19, inserted link 19 is equipped with screw rod 18 far from one end of hinge bar 9, and one end of screw rod 18 jack therethrough
8。
Working principle: in use, the output end rotation of motor 17 drives rotating disk 7 to rotate, the rotation of rotating disk 7 drives hinge
One end of extension bar 9 moves in a circle, and makes 9 other end of hinge bar that connecting rod 10 be driven to move up and down, so that about 4 piston be made to transport
It is dynamic, when piston 4 moves downward, so that the volume inside the plunger shaft 11 at 4 top of piston is become larger, pressure is reduced, thus feed pipe
The raw material of 26 inside is washed fixed plate 23 open and is entered inside the plunger shaft 22 at 5 top of piston, when piston 5 moves upwards, makes to live
Plug 5 top plunger shaft 22 inside volume become smaller, pressure increase, thus make check valve 5 open, raw material pass through through-hole 12 into
Inside the plunger shaft 11 for entering 4 bottom of piston, suction is completed, when one end of screw rod 18 on hinge bar 9 is different in rotating disk 7
When jack 8 and fixed rotating disk 7, the rotation of motor 17 drives rotating disk 7 to rotate, and circumference fortune is done in the one end that will result in hinge bar 9
The diameter of dynamic circular trace is different, therefore the distance that connecting rod 10 moves up and down will be different, and because regardless of screw rod 18 passes through
When wearing which jack 8 and rotating disk 7 are fixed in rotating disk 7, one circle of the rotation of rotating disk 7 time used be it is the same, so band
Dynamic 10 one end of hinge bar time that moves up and down is identical, so that the raw material volume drawn and ejected in the unit time will not
Together, it is implemented without replacement ejecting device, changes shower nozzle caliber, the flow of spray head can be changed, when piston 4 moves down
When, it just will drive fixed link 13 and moved inside heating chamber 15, because external spiral 25, heating chamber 15 is arranged in the outside of fixed link 13
Inside spin 2 is set, inside spin 2 is mutually matched with external spiral 25, so that fixed link 13 is rotated, and the rotation of fixed link 13 will drive
External spiral 25 rotates, and can generate the active force for drawing 11 inside raw material of plunger shaft downwards, while 4 extrusion piston chamber 11 of piston
Raw material is discharged along external spiral 25 in internal raw material, and raw material is moved down along external spiral 25, can generate one and drive admittedly
The active force that fixed pole 13 rotates, while 11 inside raw material of plunger shaft can be made to generate an eddy current effect, similar stirring prevents raw material
It solidifies, after material spray, 4 last time of piston is moved upwards, and can be drawn to reserved chamber 1 raw material that spray head goes out, be prevented
Raw material goes out to form wire drawing in funnel-form discharge port 16, when being discharged when raw material is moved down along external spiral 25, extends raw material and exists
15 residence time of heating chamber, so that electrothermal tube 14 is more abundant to raw material heating.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (6)
1. a kind of adjustable 3D printing spray head of flow, including nozzle body (3), piston (4), rotating disk (7) and heating chamber (15),
It is characterized by: the top of nozzle body (3) inside is equipped with plunger shaft (11), the nozzle body below plunger shaft (11)
(3) internal to be equipped with heating chamber (15), it is equipped with reserved chamber (1), reserves chamber (1) inside the nozzle body (3) below heating chamber (15)
Nozzle body (3) bottom of lower section is equipped with funnel-form discharge port (16), and the inside of the plunger shaft (11) is equipped with piston (4), living
The internal two sides of plug chamber (11) are all equipped with through-hole (12), and the inside of through-hole (12) is equipped with check valve (5), piston (4) bottom
The middle position in portion is equipped with fixed link (13) by bearing, and the outside of fixed link (13) is equipped with external spiral (25), and fixed
One end of bar (13) extends to heating chamber (15) inside, and the inner sidewall of the heating chamber (15) is equipped with inside spin (2), heating chamber
(15) nozzle body (3) inside on the outside of is equidistantly equipped with multiple electrothermal tubes (14), the side peace at the top of the nozzle body (3)
Equipped with bracket (6), it is equipped at the top of bracket (6) motor (17), the output end of motor (17) is fixedly connected with rotating disk (7),
And 3 jacks (8) are equidistantly equipped in rotating disk (7) vertically, the middle position at the top of the piston (4) is equipped with connecting rod
(10), one end of connecting rod (10) extends at the top of nozzle body (3) and is hinged with hinge bar (9), and the hinge bar (9) is far from even
One end of extension bar (10) is equipped with inserted link (19) by shaft, and inserted link (19) is equipped with screw rod far from the one end of hinge bar (9)
And one end of screw rod (18) jack (8) therethrough (18),.
2. the adjustable 3D printing spray head of a kind of flow according to claim 1, it is characterised in that: plunger shaft (11) top
The side in portion is equipped with groove (22), and the internal side of groove (22) is equipped with fixing roller (20), and the both ends of fixing roller (20) are all pacified
Side equipped with torsional spring (24), and fixing roller (20) is equipped with fixed plate (23).
3. the adjustable 3D printing spray head of a kind of flow according to claim 2, it is characterised in that: the fixed plate (23) with
Sealing ring (21) are equipped between groove (22), and are equipped with feed pipe (26) at the top of the nozzle body (3) above sealing ring (21).
4. the adjustable 3D printing spray head of a kind of flow according to claim 1, it is characterised in that: the fixed link (13)
Length is equal to the depth of heating chamber (15).
5. the adjustable 3D printing spray head of a kind of flow according to claim 1, it is characterised in that: the check valve (5)
Flow direction is the bottom from the top of plunger shaft (11) to plunger shaft (11).
6. the adjustable 3D printing spray head of a kind of flow according to claim 1, it is characterised in that: the inside spin (2) with
External spiral (25) is mutually matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811108667.8A CN109263044A (en) | 2018-09-21 | 2018-09-21 | A kind of adjustable 3D printing spray head of flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811108667.8A CN109263044A (en) | 2018-09-21 | 2018-09-21 | A kind of adjustable 3D printing spray head of flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109263044A true CN109263044A (en) | 2019-01-25 |
Family
ID=65198163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811108667.8A Pending CN109263044A (en) | 2018-09-21 | 2018-09-21 | A kind of adjustable 3D printing spray head of flow |
Country Status (1)
| Country | Link |
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| CN (1) | CN109263044A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181810A (en) * | 2019-07-03 | 2019-08-30 | 常州轻工职业技术学院 | A kind of 3D printing graphene composite material spray head of flow-controllable |
| CN110314796A (en) * | 2019-05-29 | 2019-10-11 | 安徽长青建筑制品有限公司 | A kind of scaffold semi-finished product entirety appearance spray equipment |
| CN110385232A (en) * | 2019-07-19 | 2019-10-29 | 深圳市沅鸿机械有限公司 | A kind of capping device containing dipping machine that automatic absorbing type is fixed |
| CN110814349A (en) * | 2019-11-05 | 2020-02-21 | 西北工业大学 | Be applied to anti-interference shower nozzle of five low melting point alloy 3D printers |
| CN111390174A (en) * | 2020-04-16 | 2020-07-10 | 佛山市孔星材料应用研究院有限公司 | 3D printing metal spraying equipment, 3D printing device and control method thereof |
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| US20020113331A1 (en) * | 2000-12-20 | 2002-08-22 | Tan Zhang | Freeform fabrication method using extrusion of non-cross-linking reactive prepolymers |
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| CN106863794A (en) * | 2017-03-29 | 2017-06-20 | 深圳市乐业科技有限公司 | It is a kind of to print the hanging sagging intelligent 3D printer of exquisite and nothing |
| CN107498848A (en) * | 2017-07-25 | 2017-12-22 | 北京科技大学 | A kind of 3D printing flexible spray head and its regulate and control method online |
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| US20020113331A1 (en) * | 2000-12-20 | 2002-08-22 | Tan Zhang | Freeform fabrication method using extrusion of non-cross-linking reactive prepolymers |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110314796A (en) * | 2019-05-29 | 2019-10-11 | 安徽长青建筑制品有限公司 | A kind of scaffold semi-finished product entirety appearance spray equipment |
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| CN110385232A (en) * | 2019-07-19 | 2019-10-29 | 深圳市沅鸿机械有限公司 | A kind of capping device containing dipping machine that automatic absorbing type is fixed |
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| CN110814349A (en) * | 2019-11-05 | 2020-02-21 | 西北工业大学 | Be applied to anti-interference shower nozzle of five low melting point alloy 3D printers |
| CN111390174A (en) * | 2020-04-16 | 2020-07-10 | 佛山市孔星材料应用研究院有限公司 | 3D printing metal spraying equipment, 3D printing device and control method thereof |
| CN111390174B (en) * | 2020-04-16 | 2022-05-03 | 广东明路电力电子有限公司 | 3D printing metal spraying equipment, 3D printing device and control method thereof |
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Application publication date: 20190125 |