CN207432783U - A kind of double nozzle extrusion devices of 3D printer - Google Patents
A kind of double nozzle extrusion devices of 3D printer Download PDFInfo
- Publication number
- CN207432783U CN207432783U CN201721607618.XU CN201721607618U CN207432783U CN 207432783 U CN207432783 U CN 207432783U CN 201721607618 U CN201721607618 U CN 201721607618U CN 207432783 U CN207432783 U CN 207432783U
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- China
- Prior art keywords
- nozzle
- trunnion
- locating piece
- extrusion devices
- heat
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Abstract
The utility model discloses a kind of double nozzle extrusion devices of 3D printer, including nozzle trunnion one, nozzle trunnion two, locating piece, radiating block, heater and heat-insulated pipe, there are two tapped through holes for spacing setting on the locating piece, the nozzle trunnion one is rotatably connected in two bottom thread of nozzle trunnion the tapped through hole on locating piece Nei and its bottom nozzle stretches out in tapped through hole, perforative perforation up and down is vertically arranged on the radiating block, the nozzle trunnion one and the two top intercalation of nozzle trunnion are fixed in perforation, the heater is connected with locating piece heat conduction, the heat-insulated pipe distinguishes socket joint in nozzle trunnion one and nozzle trunnion two, the utility model is in consistent convenient for accurately controlling two nozzles distance and height, it is simple in structure, it is printed suitable for long-time stable.
Description
Technical field
The utility model is related to 3D printing equipment technical fields, and in particular to a kind of double nozzle extrusion devices of 3D printer.
Background technology
3D printer is a kind of device of rapid shaping technique, fusion sediment type technology (Fused Deposition
Modeling, FDM) it is one of 3D printing mainstream technology.It using thermoplastic material (ABS or PLA, peek etc.) heat molten type,
Thermoplastic material is heated into molten state by cementability in printing head.Printing head is under setting program control, along model wheel
Wide track carries out X-Y plane movement, and printed material is rapid after being extruded to be cured, and, each level Nian Jie with adjacent material
It is to be accumulated in last layer level, until being completed by model layer upon layer, pair nozzle can print double-colored simultaneously
Or Water Soluble Support.
The double nozzle extrusion devices of existing fusion sediment type (FDM) 3D printer are mainly using the Two In and Two Out of double heat blocks
Or the Two In and One Out structure of single heat block, existing technical problem underlying have：First, the Two In and Two Out dress of existing double heat blocks
It puts, two nozzle distances easily generate man-made assembly error, and mass production is difficult to the uniformity for reaching nozzle distance, and two
Independent heat block makes two sprinkler heights be not easy leveling；Second is that existing Two In and One Out structure easily blocks, while printing of reloading
When nozzle in the presence of clout generate colour mixture.
Utility model content
(1) technical problems to be solved
In order to overcome the shortage of prior art, it is proposed that a kind of double nozzle extrusion devices of 3D printer, convenient for accurately controlling two
Nozzle distance and height are in consistent, simple in structure, are printed suitable for long-time stable.
(2) technical solution
The utility model is achieved through the following technical solutions：The utility model proposes a kind of double nozzles of 3D printer to squeeze out
Device, including nozzle trunnion one, nozzle trunnion two, locating piece, radiating block, heater and heat-insulated pipe, on the locating piece between
Away from setting there are two tapped through hole, the screw thread that the nozzle trunnion one is rotatably connected in two bottom thread of nozzle trunnion on locating piece leads to
In hole and its bottom nozzle stretches out in tapped through hole, and perforative perforation up and down, the nozzle are vertically arranged on the radiating block
Trunnion one and the two top intercalation of nozzle trunnion are fixed in perforation, and the heater is connected with locating piece heat conduction, the thermal insulation
Pipe distinguishes socket joint in nozzle trunnion one and nozzle trunnion two.
Further, the top of the radiating block is respectively arranged with a pipe clamp positioned at the top of perforation, and the pipe clamp can
It is clamped and fastened on heat-insulated pipe.
Further, the pipe clamp is pneumatic joint.
Further, the radiating block for metallic monolith structure and is provided with several radiating fins, radiating block in its one side
Opposite side correspond to punch position and be respectively arranged with two positioning spiro pits, the threaded hole internal thread that is set to is screwed with for tight
Gu the jackscrew of nozzle trunnion one and nozzle trunnion two.
Further, it is fixedly installed radiator on the radiating fin of the radiating block side.
Further, the nozzle trunnion one, two bottom of nozzle trunnion are separately provided for the outer of connection screw thread through hole
Thread and /V shoulder block is provided at the top of external screw teeth, escape is provided between /V shoulder block and external screw teeth.
Further, the heat-insulated pipe is formed using tetrafluoride material is made.
Further, it is provided with temperature sensor on the locating piece.
Further, the heater is one kind in heating rod or ceramic heating flake the two.
(3) advantageous effect
The utility model has the advantages that compared with the prior art：
The double nozzle extrusion devices of a kind of 3D printer that the utility model is mentioned, by the design of locating piece, on the one hand may be used
So that the /V up and down that two nozzle trunnions between left and right away from fixation, while after installation, are installed by /V shoulder block, two
Person's work compound, improve two nozzle trunnions or so distance stabilization and upper-lower height it is consistent, eliminate artificial assembly error,
Debugging is easily installed, convenient for large-scale production, each nozzle trunnion has independent feeding passage, will not block and mix
Material.
Description of the drawings
Fig. 1 is the utility model structure diagram one.
Fig. 2 is the utility model structure diagram figure two.
Fig. 3 is the utility model partial sectional view.
1- nozzles trunnion one；2- nozzles trunnion two；3- locating pieces；4- radiating blocks；5- heaters；6- heat-insulated pipes；7- pipe clamps；
8- jackscrews；9- radiators；10- temperature sensors；31- tapped through holes；41- perforates.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The double nozzle extrusion devices of a kind of 3D printer as shown in FIG. 1 to 3, including nozzle trunnion 1, nozzle trunnion two
2nd, locating piece 3, radiating block 4, heater 5 and heat-insulated pipe 6, spacing sets that there are two tapped through hole 31, institutes on the locating piece 3
It states in the tapped through hole 31 that nozzle trunnion 1 is rotatably connected in 22 bottom thread of nozzle trunnion on locating piece 3 and its bottom nozzle is stretched
For tapped through hole 31, perforative perforation 41 up and down, the nozzle trunnion 1 and spray are vertically arranged on the radiating block 4
Head 22 top intercalation of trunnion is fixed in perforation 41, and the heater 5 is connected with 3 heat conduction of locating piece, and the heat-insulated pipe 6 is distinguished
Socket joint is in nozzle trunnion 1 and nozzle trunnion 22.
Wherein, the top of the radiating block 4 is respectively arranged with a pipe clamp 7 positioned at the top of perforation 41, and the pipe clamp 7 can
It is clamped and fastened on heat-insulated pipe 6；The pipe clamp 7 is pneumatic joint；The radiating block 4 is set for metallic monolith structure and in its one side
There are several radiating fins, the opposite side of radiating block 4 corresponds to 41 positions of perforation and is respectively arranged with two positioning spiro pits, described to be set to
Threaded hole internal thread is screwed with to fasten the jackscrew 8 of nozzle trunnion 1 and nozzle trunnion 22；4 side of radiating block dissipates
Radiator 9 is fixedly installed on hot fin；The nozzle trunnion 1,22 bottom of nozzle trunnion are separately provided for connection spiral shell
The external screw teeth of line through hole 31 and /V shoulder block is provided at the top of external screw teeth, withdrawing is provided between /V shoulder block and external screw teeth
Slot；The heat-insulated pipe 6 is formed using tetrafluoride material is made；Temperature sensor 10 is provided on the locating piece 3, it is fixed to detect
Melting zone temperature on the block 3 of position；The heater 5 is one kind in heating rod or ceramic heating flake the two.
The double nozzle extrusion devices of a kind of 3D printer that the utility model is mentioned, when specifically used, by nozzle trunnion
1 and nozzle trunnion 22 screw in respectively to the tapped through hole 31 in locating piece 3, until the /V on the nozzle trunnion
Then shoulder block contact locating piece top, the installation of complete locating piece 3 are distinguished nozzle trunnion 1 and 22 top of nozzle trunnion
It is plugged in suitable position the perforation 41 in radiating block 4 Nei, then by jackscrew 8 to nozzle trunnion 1 and nozzle trunnion 22
It fixes, is then being inserted into nozzle trunnion 1 and spray respectively by the tabletting pushed on pipe clamp 7 and by heat-insulated pipe 6
In head trunnion 22, until pipe clamp 7 is unclamped so that pipe clamp 7 clamps absolutely in 6 bottom of heat-insulated pipe close to nozzle trunnion bottom nozzle position
Heat pipe 6, the insertion depth of heat-insulated pipe 6 can be adjusted as needed, and specific insertion depth is deeper, the spray of nozzle trunnion bottom
Head heating melting zone is smaller, and opposite insertion is more shallow, and melting zone is bigger, then by tubular 3D printing material from top heat-insulated pipe 6
Place is inserted into nozzle trunnion bottom, starts heater 5, heater 5 is when using heating tube, by being provided on locating piece 3
As soon as the hole of receiving heating tube, and if heating plate is directly attached on locating piece 3 i.e. by heating tube using ceramic heating flake
Can, heater 5 can cause locating piece temperature to improve, can be in locating piece 3 to ensure that heat does not scatter and disappear and prevents from scalding
Surrounding designs insulating, can be by positioned at the 3D material moltens of 6 lower part of heat-insulated pipe, then from nozzle trunnion bottom after heating
It sprays, heat-insulated pipe 6 can play the role of completely cutting off heat, prevent the 3D material moltens so that inside heat-insulated pipe 6, and radiate
Block 4 and radiator 9 disposed thereon can reduce nozzle trunnion temperature, prevent from passing by heat-insulated pipe 6 under nozzle trunnion high temperature
It is handed to 3D materials.
It is worth mentioning, nozzle trunnion 1 and nozzle trunnion 22 can also use split structure, that is, be decomposed into point
It is not vertically connected in trunnion tube body and nozzle in locating piece 3.
Embodiment described above is only that the preferred embodiment of the utility model is described, not to this practicality
New spirit and scope are defined.Without departing from the design concept of the present utility model, ordinary people in the field couple
The all variations and modifications that the technical solution of the utility model is made, should fall within the protection scope of the present utility model, this reality
With new claimed technology contents, all record in detail in the claims.
Claims (9)
1. a kind of double nozzle extrusion devices of 3D printer, it is characterised in that：Including nozzle trunnion one (1), nozzle trunnion two (2),
Locating piece (3), radiating block (4), heater (5) and heat-insulated pipe (6), spacing sets that there are two screw threads on the locating piece (3)
Through hole (31), the nozzle trunnion one (1) are rotatably connected in the tapped through hole on locating piece (3) with nozzle trunnion two (2) bottom thread
(31) in and its bottom nozzle stretches out in tapped through hole (31), and perforative perforation up and down is vertically arranged on the radiating block (4)
(41), the nozzle trunnion one (1) and nozzle trunnion two (2) top intercalation are fixed in perforation (41), the heater (5)
It is connected with locating piece (3) heat conduction, socket joint is interior in nozzle trunnion one (1) and nozzle trunnion two (2) respectively for the heat-insulated pipe (6).
2. a kind of double nozzle extrusion devices of 3D printer according to claim 1, it is characterised in that：The radiating block (4)
Top be located at perforation (41) at the top of be respectively arranged with a pipe clamp (7), the pipe clamp (7) can be clamped and fastened on heat-insulated pipe
(6)。
3. a kind of double nozzle extrusion devices of 3D printer according to claim 2, it is characterised in that：The pipe clamp (7) is
Pneumatic joint.
4. a kind of double nozzle extrusion devices of 3D printer according to claim 1, it is characterised in that：The radiating block (4)
Several radiating fins are provided with for metallic monolith structure and in its one side, the opposite side of radiating block (4) corresponds to perforation (41) position
Be respectively arranged with two positioning spiro pits, it is described be set to threaded hole internal thread be screwed with to fasten nozzle trunnion one (1) and
The jackscrew (8) of nozzle trunnion two (2).
5. a kind of double nozzle extrusion devices of 3D printer according to claim 4, it is characterised in that：The radiating block (4)
Radiator (9) is fixedly installed on the radiating fin of side.
6. a kind of double nozzle extrusion devices of 3D printer according to claim 1, it is characterised in that：The nozzle trunnion one
(1), nozzle trunnion two (2) bottom is separately provided for the external screw teeth of connection screw thread through hole (31) and is set at the top of external screw teeth
/V shoulder block is equipped with, escape is provided between /V shoulder block and external screw teeth.
7. a kind of double nozzle extrusion devices of 3D printer according to claim 1, it is characterised in that：The heat-insulated pipe (6)
It is formed using tetrafluoride material is made.
8. a kind of double nozzle extrusion devices of 3D printer according to claim 1, it is characterised in that：The locating piece (3)
On be provided with temperature sensor (10).
9. a kind of double nozzle extrusion devices of 3D printer according to claim 1, it is characterised in that：The heater (5)
For one kind in heating rod or ceramic heating flake the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721607618.XU CN207432783U (en) | 2017-11-27 | 2017-11-27 | A kind of double nozzle extrusion devices of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721607618.XU CN207432783U (en) | 2017-11-27 | 2017-11-27 | A kind of double nozzle extrusion devices of 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207432783U true CN207432783U (en) | 2018-06-01 |
Family
ID=62287893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721607618.XU Expired - Fee Related CN207432783U (en) | 2017-11-27 | 2017-11-27 | A kind of double nozzle extrusion devices of 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207432783U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109703013A (en) * | 2019-01-08 | 2019-05-03 | 哈尔滨理工大学 | A kind of extruder head device of 3D printer |
| CN110744817A (en) * | 2019-10-31 | 2020-02-04 | 中南大学 | 3D printer material flow prevention device and printing method |
-
2017
- 2017-11-27 CN CN201721607618.XU patent/CN207432783U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109703013A (en) * | 2019-01-08 | 2019-05-03 | 哈尔滨理工大学 | A kind of extruder head device of 3D printer |
| CN110744817A (en) * | 2019-10-31 | 2020-02-04 | 中南大学 | 3D printer material flow prevention device and printing method |
| CN110744817B (en) * | 2019-10-31 | 2020-11-06 | 中南大学 | 3D printer material flow prevention device and printing 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 |
Granted publication date: 20180601 Termination date: 20191127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |