CN110271190A - 3D printing nozzle device and printing method - Google Patents
3D printing nozzle device and printing method Download PDFInfo
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- CN110271190A CN110271190A CN201910700498.5A CN201910700498A CN110271190A CN 110271190 A CN110271190 A CN 110271190A CN 201910700498 A CN201910700498 A CN 201910700498A CN 110271190 A CN110271190 A CN 110271190A
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- printing
- connector
- conveying
- connecting rod
- fixing piece
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- 238000007639 printing Methods 0.000 title claims abstract description 42
- 238000010146 3D printing Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 52
- 239000002994 raw material Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000003860 storage Methods 0.000 claims abstract description 13
- 238000002844 melting Methods 0.000 claims abstract description 8
- 230000008018 melting Effects 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 abstract description 16
- 230000002411 adverse Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 238000003825 pressing Methods 0.000 abstract 1
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000032258 transport Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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
- 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
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/112—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
-
- 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
-
- 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
- B33Y10/00—Processes of additive manufacturing
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Coating Apparatus (AREA)
Abstract
A3D printing nozzle device comprises a nozzle body, a first connecting piece, a second connecting piece, a third connecting piece and a pressing assembly; the nozzle body comprises a material storage part, a material conveying part, a spiral conveying shaft, a fixing part, a spray head and a feeding hose; the material storage piece is provided with a first heating piece, and a material storage cavity is arranged inside the material storage piece; the feeding hose is arranged on the material storage piece and is communicated with the material storage cavity; the material conveying piece is arranged on the material storage piece, and a material conveying hole for raw materials to pass through is formed in the material conveying piece; the conveying part is provided with a second heating part; the spiral conveying shaft is arranged on the conveying part and is positioned in the conveying cavity; the invention further provides a 3D printing method. The invention has simple operation and better protection effect, obviously prolongs the service life of the nozzle, is convenient to adjust the direction and the angle of the nozzle, improves the 3D printing efficiency and the printing effect, saves time and labor in printing operation, can also enable printing raw materials to be always in a melting state, and avoids the solidification of the printing raw materials to bring adverse effect to the printing process.
Description
Technical field
The present invention relates to 3D printing nozzle technology field more particularly to a kind of 3D printing spray nozzle devices and Method of printing.
Background technique
3D printing, i.e. one kind of rapid shaping technique, it is one kind based on digital model file, with powdered gold
Belong to or the adhesive materials such as plastics, constructs the technology of object by layer-by-layer printing, 3D printing is usually using number
Technologic material printer is often used for modeling in fields such as mold manufacture, industrial designs come what is realized, after be gradually available for one
The direct manufacture of a little products, the technology is in jewelry, footwear, industrial design, building, engineering and construction, automobile, aerospace, tooth
Section, medical industries, education, GIS-Geographic Information System, civil engineering, gun and other field are all applied；
3D printing spray nozzle device is the important composition accessory of 3D printing equipment, but the operation of existing 3D printing spray nozzle device is not simple enough
Just, it is difficult to its direction and angle are adjusted, and then adverse effect is made to printing effect, and do not have protective also
Can, it is easy to cause nozzle to damage because of collision.
Summary of the invention
(1) goal of the invention
To solve technical problem present in background technique, the present invention proposes a kind of 3D printing spray nozzle device and Method of printing, behaviour
Make simplicity, protection effect is preferable, significantly improves the service life of nozzle, and conveniently adjust to the direction of nozzle and angle
Section, improves 3D printing efficiency and printing effect, and printing is time saving and energy saving, but also can make to print raw material and be in always to melt
Change state avoids it from solidifying and bring adverse effect to print procedure.
(2) technical solution
To solve the above problems, the invention proposes a kind of 3D printing spray nozzle device, including nozzle body, the first connector,
Two connectors, third connector, first connecting rod, the first elastic component, the first locking member, rotating member, connecting plate, rotating bar,
It two connecting rods, third connecting rod, screwed pipe, threaded rod, fixed plate and holds down assembly；
Nozzle body includes storing unit, conveying part, screw conveyor shaft, fixing piece, spray head and feed hose；Storing unit is equipped with the
One heat generating member, inside setting storage cavity；Feed hose is arranged on storing unit and is connected to storage cavity；Conveying part is arranged in storing
On part, and conveying part is equipped with the material transport hole passed through for raw material；Conveying part is equipped with the second heat generating member, and inside is equipped with feeding chamber；
Screw conveyor shaft is arranged on conveying part and is located in feeding chamber；Fixing piece is arranged in conveying part bottom, and fixing piece is equipped with
Control valve；Spray head is arranged on fixing piece；
Connecting plate is arranged on the first connector, and nozzle body is rotatablely connected by rotating bar and connecting plate；Fixed plate is set vertically
It sets on the first connector, rotated threaded tubular is arranged in fixed plate；Threaded rod one end is threadedly coupled with screwed pipe, the other end with
The connection of third connecting rod；Second connecting rod is arranged on nozzle body, and third connecting rod connects the first connector and the second connection
Bar；
Second connector is located at the top of the first connector, and the first connector is equipped with the first link block, on the second connector
Equipped with the second link block；First connecting rod is vertically arranged and passes through the first link block and the second link block, and the first locking member is located at
First connecting rod both ends are simultaneously threadedly coupled with it；First elastic component is set on first connecting rod vertically and connects the first link block
With the second link block；
Third connector is located at the top of the second connector；Rotating member be vertically arranged on third connector and with the second connector
Rotation connection；It holds down assembly and is vertically arranged on third connector and resists the second connector.
Preferably, it holds down assembly and is distributed around rotating member circular array.
Preferably, it holds down assembly including fixed cylinder, inserted link, locating part, the second elastic component and compressing member；Fixed cylinder is set vertically
It sets on the second connector, and fixed cylinder is opening down；Inserted link is vertically arranged and cylinder is plugged and fixed；Locating part is slideably positioned in solid
It is connect in safety barrel and with inserted link；Second elastic component is vertically arranged in fixed cylinder and connect with locating part；Compressing member setting is being inserted
On bar and resist third connector.
It preferably, further include fixed link；Adjacent two inserted link is connected by fixed link.
Preferably, compressing member is equipped with anti-slip layer towards the side of the second connector.
Preferably, storing unit and conveying part outer wall are equipped with insulating layer.
Preferably, storing unit is equipped with threaded hole, and conveying part is equipped with external screw thread, and conveying part is threadedly coupled with storing unit.
Preferably, it is provided with the annular element of internal screw thread on spray head, ring screw slot is set on fixing piece, annular element and solid
Determine part threaded connection.
It preferably, further include the second locking member；Third connector is equipped with threaded hole, is correspondingly arranged screw thread on printing device
Hole, third connector are threadedly coupled with printing device by the second locking member.
The invention also provides a kind of 3D printing methods, comprising the following steps:
The spray head of S1, as needed selection certain diameter spray orifice, and spray head is mounted on fixing piece；
S2, printing raw material are entered in nozzle body by feed hose；
S3, the first heat generating member and the second heat generating member convert electrical energy into thermal energy, make to print raw material holding melting state；
In S4, screw conveyor shaft conveying printing raw material to fixing piece；
Control valve on S5, opening fixing piece, printing raw material are sprayed from spray head.
Above-mentioned technical proposal of the invention has following beneficial technical effect:
Operation of the present invention is easy, and protection effect is preferable, significantly improves the service life of nozzle, and conveniently to the direction of nozzle
It is adjusted with angle, improves 3D printing efficiency and printing effect, printing is time saving and energy saving, but also printing can be made former
Material is in melting state always, it is avoided to solidify and bring adverse effect to print procedure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of a kind of 3D printing spray nozzle device and Method of printing proposed by the present invention.
Fig. 2 is a kind of structural schematic diagram of nozzle body in 3D printing spray nozzle device and Method of printing proposed by the present invention.
Fig. 3 is a kind of structural schematic diagram of the second connector in 3D printing spray nozzle device and Method of printing proposed by the present invention
(vertical view).
Fig. 4 is the structural schematic diagram to hold down assembly in a kind of 3D printing spray nozzle device and Method of printing proposed by the present invention.
Appended drawing reference: 1, nozzle body；2, storing unit；3, conveying part；4, the first heat generating member；5, the second heat generating member；6, spiral shell
Revolve conveying axis；7, fixing piece；8, spray head；9, material transport hole；10, insulating layer；11, feed hose；12, the first connector；13, second
Connector；14, third connector；15, the first link block；16, the second link block；17, first connecting rod；18, the first elastic component；
19, the first locking member；20, rotating member；21, connecting plate；22, rotating bar；23, the second connecting rod；24, third connecting rod；25, spiral shell
Line pipe；26, threaded rod；27, fixed plate；28, fixed link；29, fixed cylinder；30, inserted link；31, locating part；32, the second elastic component；
33, compressing member；34, anti-slip layer；35, the second locking member.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured
The concept of invention.
As shown in Figs 1-4, a kind of 3D printing spray nozzle device proposed by the present invention, including nozzle body 1, the first connector
12, the second connector 13, third connector 14, first connecting rod 17, the first elastic component 18, the first locking member 19, rotating member 20,
Connecting plate 21, rotating bar 22, the second connecting rod 23, third connecting rod 24, screwed pipe 25, threaded rod 26, fixed plate 27, fixed link
It 28 and holds down assembly；
Nozzle body 1 includes storing unit 2, conveying part 3, screw conveyor shaft 6, fixing piece 7, spray head 8 and feed hose 11；Storing unit
2 are equipped with the first heat generating member 4, inside setting storage cavity；Feed hose 11 is arranged on storing unit 2 and is connected to storage cavity；It is defeated
Materials and parts 3 are arranged on storing unit 2, and conveying part 3 is equipped with the material transport hole 9 passed through for raw material；Conveying part 3 is equipped with the second fever
Part 5, inside are equipped with feeding chamber；Screw conveyor shaft 6 is arranged on conveying part 3 and is located in feeding chamber；Fixing piece 7 is arranged in conveying
3 bottom of part, and fixing piece 7 is equipped with control valve；Spray head 8 is arranged on fixing piece 7；
Connecting plate 21 is arranged on the first connector 12, and nozzle body 1 is rotatablely connected by rotating bar 22 and connecting plate 21；It is fixed
Plate 27 is vertically arranged on the first connector 12, and screwed pipe 25 is rotatably arranged in fixed plate 27；26 one end of threaded rod and screw thread
Pipe 25 is threadedly coupled, and the other end is connect with third connecting rod 24；Second connecting rod 23 is arranged on nozzle body 1, third connection
Bar 24 connects the first connector 12 and the second connecting rod 23；
Second connector 13 is located at the top of the first connector 12, and the first connector 12 is equipped with the first link block 15, and second
Connector 13 is equipped with the second link block 16；First connecting rod 17 is vertically arranged and passes through the first link block 15 and the second link block
16, the first locking member 19 is located at 17 both ends of first connecting rod and is threadedly coupled with it；First elastic component 18 is set in first vertically
In connecting rod 17 and connect the first link block 15 and the second link block 16；
Third connector 14 is located at the top of the second connector 13；Rotating member 20 is vertically arranged on third connector 14 and with
The rotation connection of two connectors 13；It holds down assembly and is vertically arranged on third connector 14 and resists the second connector 13；
Hold down assembly around 20 circular array of rotating member be distributed, hold down assembly including fixed cylinder 29, inserted link 30, locating part 31,
Second elastic component 32 and compressing member 33；Fixed cylinder 29 is vertically arranged on the second connector 13, and fixed cylinder 29 is opening down；It inserts
Bar 30 is vertically arranged and cylinder 29 is plugged and fixed；Locating part 31 is slideably positioned in fixed cylinder 29 and connect with inserted link 30；Second bullet
Property part 32 be vertically arranged in fixed cylinder 29 and connect with locating part 31；Compressing member 33 is arranged on inserted link 30 and resists third company
Fitting 14；Adjacent two inserted link 30 is connected by fixed link 28.
In an alternative embodiment, compressing member 33 is equipped with anti-slip layer 34 towards the side of the second connector 13, anti-skidding
Layer 34 is made of rubber material.Anti-slip layer 34 significantly improves the coefficient of friction on 33 surface of compressing member, and then improves compression effect
Fruit.
In an alternative embodiment, storing unit 2 and 3 outer wall of conveying part are equipped with insulating layer 10.Insulating layer 10 can
Inside and outside heat exchange is significantly reduced, avoids 1 internal heat of nozzle body from scattering and disappearing, reduces energy consumption.
In an alternative embodiment, storing unit 2 is equipped with threaded hole, and conveying part 3 is equipped with external screw thread, conveying part 3
Be threadedly coupled with storing unit 2, facilitate and separate storing unit 2 and conveying part 3, be conducive to carried out inside nozzle body 1 cleaning and
Maintenance.
In an alternative embodiment, it is provided with the annular element of internal screw thread on spray head 8, annular is set on fixing piece 7
Thread groove, annular element are threadedly coupled with fixing piece 7, and leakproofness is preferable, are also facilitated installation and are removed spray head 8, convenient for as needed
The spray head 8 of different size spray orifices is replaced, is easy to use.
It in an alternative embodiment, further include the second locking member 35；Third connector 14 is equipped with threaded hole, printing
Threaded hole is correspondingly arranged in equipment, third connector 14 is threadedly coupled with printing device by the second locking member 35, and installation is facilitated
With remove spray nozzle device.
The invention also provides a kind of 3D printing methods, comprising the following steps:
The spray head 8 of S1, as needed selection certain diameter spray orifice, and spray head 8 is mounted on fixing piece 7；
S2, printing raw material are entered in nozzle body 1 by feed hose 11；
S3, the first heat generating member 4 and the second heat generating member 5 convert electrical energy into thermal energy, make to print raw material holding melting state；
In S4, the conveying printing raw material to fixing piece 7 of screw conveyor shaft 6；
Control valve on S5, opening fixing piece 7, printing raw material are sprayed from spray head 8.
In the present invention, in use, selecting the spray head 8 of certain diameter spray orifice as needed first, and spray head 8 is mounted on admittedly
Determine on part 7；Raw material is printed to enter in nozzle body 1 by feed hose 11；First heat generating member 4 and the second heat generating member 5 are by electric energy
It is converted into thermal energy, makes to print raw material holding melting state；In the conveying printing raw material to fixing piece 7 of screw conveyor shaft 6, also help
Printing raw material is set to be heated evenly and keep melting state；The control valve on fixing piece 7 is opened, printing raw material is sprayed from spray head 8；
Rotated threaded tubular 25 moves threaded rod 26 and third connecting rod 24 is driven to be rotated, and then connects by second
Extension bar 23 drives nozzle body 1 to be correspondingly rotated, and realizes the adjusting to 1 angle of nozzle body；Pulling up fixed link 28 makes
Compressing member 33 no longer resists the second connector 13, can rotate the second connector 13 at this time, adjust to the direction of nozzle body 1
Section；After the completion of the adjustment of 1 direction of nozzle body, fixed link 28 is unclamped, the second elastic component 32 resets and transports compressing member 33 downwards
Dynamic, compressing member 33 compresses the second connector 13, realizes the fixation to the second connector 13；
Using in placement process, when nozzle body 1 is hit, the first elastic component 18 is compressed, stretched and is resetted,
Impact force can be buffered, splendid protective effect is played to nozzle body 1；
Operation of the present invention is easy, and protection effect is preferable, significantly improves the service life of nozzle, and conveniently to the direction of nozzle
It is adjusted with angle, improves 3D printing efficiency and printing effect, printing is time saving and energy saving, but also printing can be made former
Material is in melting state always, it is avoided to solidify and bring adverse effect to print procedure.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing
Change example.
Claims (10)
1. a kind of 3D printing spray nozzle device, which is characterized in that including nozzle body (1), the first connector (12), the second connector
(13), third connector (14), first connecting rod (17), the first elastic component (18), the first locking member (19), rotating member (20),
Connecting plate (21), the second connecting rod (23), third connecting rod (24), screwed pipe (25), threaded rod (26), is consolidated rotating bar (22)
It fixed board (27) and holds down assembly；
Nozzle body (1) includes storing unit (2), conveying part (3), screw conveyor shaft (6), fixing piece (7), spray head (8) and charging
Hose (11)；Storing unit (2) is equipped with the first heat generating member (4), inside setting storage cavity；Feed hose (11) is arranged in storing unit
(2) it is connected on and with storage cavity；Conveying part (3) is arranged on storing unit (2), and conveying part (3) is equipped with and passes through for raw material
Material transport hole (9)；Conveying part (3) is equipped with the second heat generating member (5), and inside is equipped with feeding chamber；Screw conveyor shaft (6) is arranged in conveying
On part (3) and it is located in feeding chamber；Fixing piece (7) setting is in conveying part (3) bottom, and fixing piece (7) is equipped with control valve；Spray
Head (8) is arranged on fixing piece (7)；
Connecting plate (21) is arranged on the first connector (12), and nozzle body (1) is turned by rotating bar (22) and connecting plate (21)
Dynamic connection；Fixed plate (27) is vertically arranged on the first connector (12), and screwed pipe (25) is rotatably arranged on fixed plate (27)；
Threaded rod (26) one end is threadedly coupled with screwed pipe (25), and the other end is connect with third connecting rod (24)；Second connecting rod (23)
It is arranged on nozzle body (1), third connecting rod (24) connects the first connector (12) and the second connecting rod (23)；
Second connector (13) is located at the top of the first connector (12), and the first connector (12) is equipped with the first link block
(15), the second connector (13) is equipped with the second link block (16)；First connecting rod (17) is vertically arranged and passes through the first connection
Block (15) and the second link block (16), the first locking member (19) are located at first connecting rod (17) both ends and are threadedly coupled with it；The
One elastic component (18) is set on first connecting rod (17) vertically and connects the first link block (15) and the second link block (16)；
Third connector (14) is located at the top of the second connector (13)；Rotating member (20) is vertically arranged in third connector (14)
Above and with the second connector (13) it is rotatablely connected；It holds down assembly and is vertically arranged on third connector (14) and resists the second connection
Part (13).
2. a kind of 3D printing spray nozzle device according to claim 1, which is characterized in that hold down assembly around rotating member (20)
Circular array distribution.
3. a kind of 3D printing spray nozzle device according to claim 1, which is characterized in that hold down assembly including fixed cylinder
(29), inserted link (30), locating part (31), the second elastic component (32) and compressing member (33)；
Fixed cylinder (29) is vertically arranged on the second connector (13), and fixed cylinder (29) is opening down；Inserted link (30) is set vertically
It sets and cylinder (29) is plugged and fixed；Locating part (31) is slideably positioned in fixed cylinder (29) and connect with inserted link (30)；Second elasticity
Part (32) is vertically arranged in fixed cylinder (29) and connect with locating part (31)；Compressing member (33) is arranged on inserted link (30) and supports
Firmly third connector (14).
4. a kind of 3D printing spray nozzle device according to claim 1, which is characterized in that further include fixed link (28)；It is adjacent
Two inserted links (30) are connected by fixed link (28).
5. a kind of 3D printing spray nozzle device according to claim 1, which is characterized in that compressing member (33) is towards the second connection
The side of part (13) is equipped with anti-slip layer (34).
6. a kind of 3D printing spray nozzle device according to claim 1, which is characterized in that storing unit (2) and conveying part (3) are outside
Wall is equipped with insulating layer (10).
7. a kind of 3D printing spray nozzle device according to claim 1, which is characterized in that storing unit (2) is equipped with threaded hole,
Conveying part (3) is equipped with external screw thread, and conveying part (3) is threadedly coupled with storing unit (2).
8. a kind of 3D printing spray nozzle device according to claim 1, which is characterized in that spray head is provided with interior spiral shell on (8)
The annular element of line, ring screw slot is arranged on fixing piece (7), and annular element is threadedly coupled with fixing piece (7).
9. a kind of 3D printing spray nozzle device according to claim 1, which is characterized in that further include the second locking member (35)；
Third connector (14) is equipped with threaded hole, is correspondingly arranged threaded hole, third connector (14) and printing device on printing device
It is threadedly coupled by the second locking member (35).
10. 3D printing spray nozzle device described in -9 any one also proposed a kind of 3D printing method according to claim 1, special
Sign is, comprising the following steps:
The spray head (8) of S1, as needed selection certain diameter spray orifice, and spray head (8) is mounted on fixing piece (7)；
S2, printing raw material are entered in nozzle body (1) by feed hose (11)；
S3, the first heat generating member (4) and the second heat generating member (5) convert electrical energy into thermal energy, make to print raw material holding melting state；
In S4, screw conveyor shaft (6) conveying printing raw material to fixing piece (7)；
Control valve on S5, opening fixing piece (7), printing raw material are sprayed from spray head (8).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700498.5A CN110271190A (en) | 2019-07-31 | 2019-07-31 | 3D printing nozzle device and printing method |
| CN202010743498.6A CN111645322A (en) | 2019-07-31 | 2020-07-29 | 3D printing nozzle device and printing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700498.5A CN110271190A (en) | 2019-07-31 | 2019-07-31 | 3D printing nozzle device and printing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110271190A true CN110271190A (en) | 2019-09-24 |
Family
ID=67965748
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910700498.5A Withdrawn CN110271190A (en) | 2019-07-31 | 2019-07-31 | 3D printing nozzle device and printing method |
| CN202010743498.6A Pending CN111645322A (en) | 2019-07-31 | 2020-07-29 | 3D printing nozzle device and printing method |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010743498.6A Pending CN111645322A (en) | 2019-07-31 | 2020-07-29 | 3D printing nozzle device and printing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN110271190A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916882A (en) * | 2021-01-23 | 2021-06-08 | 大连理工大学 | Anti-collision additive manufacturing deposition head |
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| CN203917224U (en) * | 2014-04-30 | 2014-11-05 | 中冶南方工程技术有限公司 | A kind of Wedge type nozzle angle adjusting device |
| CN107498847A (en) * | 2017-06-27 | 2017-12-22 | 董成田 | Print head assembly and Method of printing, 3D printer |
| KR101968566B1 (en) * | 2017-08-17 | 2019-04-12 | 군산대학교산학협력단 | 3D Printer nozzle |
| CN207564976U (en) * | 2017-10-12 | 2018-07-03 | 青岛三迪时空网络科技有限公司 | A kind of rotatable 3D printer nozzle |
| CN207633857U (en) * | 2017-10-27 | 2018-07-20 | 甘肃筑盾人防工程有限公司 | A kind of fire fire-fighting separation net of Fast Installation |
| CN208237358U (en) * | 2018-03-05 | 2018-12-14 | 海东市海拉特科技有限公司 | A kind of fixation device of LCD TV receiver of remote-control sytem |
| CN208615299U (en) * | 2018-07-20 | 2019-03-19 | 纳琳威纳米科技南通有限公司 | Film clamping device |
| CN109334005A (en) * | 2018-12-10 | 2019-02-15 | 衢州学院 | A kind of multiinjector 3D printer |
| CN109822885A (en) * | 2019-02-26 | 2019-05-31 | 江西省科学院能源研究所 | A kind of 3D printing ejecting device convenient for plastic molten melt conveying |
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2019
- 2019-07-31 CN CN201910700498.5A patent/CN110271190A/en not_active Withdrawn
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- 2020-07-29 CN CN202010743498.6A patent/CN111645322A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916882A (en) * | 2021-01-23 | 2021-06-08 | 大连理工大学 | Anti-collision additive manufacturing deposition head |
| CN112916882B (en) * | 2021-01-23 | 2022-04-12 | 大连理工大学 | Anti-collision additive manufacturing deposition head |
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| Publication number | Publication date |
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| CN111645322A (en) | 2020-09-11 |
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Application publication date: 20190924 |