CN207373697U - A kind of novel three-dimensional printer head structure - Google Patents
A kind of novel three-dimensional printer head structure Download PDFInfo
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- CN207373697U CN207373697U CN201721105873.4U CN201721105873U CN207373697U CN 207373697 U CN207373697 U CN 207373697U CN 201721105873 U CN201721105873 U CN 201721105873U CN 207373697 U CN207373697 U CN 207373697U
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- nozzle
- heating
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- printer head
- dimensional printer
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Abstract
The utility model provides a kind of novel three-dimensional printer head structure, and including nozzle, heating unit, overall structure is symmetrical arranged, and the nozzle includes nozzle and nozzle cylinder, the two are an integral structure, using copper material；The heating unit includes heating tube, terminal stud and heating electrode, there are two the terminal studs, and it is symmetrically disposed on heating tube both sides, the heating electrode also sets two, described two heating electrodes one end is individually fixed on two terminal studs, the heating tube uses MCH ceramic heating pipes, is sheathed on outside nozzle cylinder, and is set close to nozzle.Wherein nozzle is made of brass material, intermetallic composite coating precision is high, thermal conductivity is good, heating unit is heated using MCH ceramic heating pipes, MCH ceramic heat tube thickness only has 0.62mm, so that the actual temperature of silk and MCH ceramic heating pipe temperature are very close in nozzle, facilitate the management and control of temperature, usage safety performance is excellent；Overall package is convenient, simple in structure.
Description
Technical field
The utility model is related to the technical fields of printing head, particularly a kind of novel three-dimensional printer head structure.
Background technology
3D printer is also known as three-dimensional printer, is a kind of machine of a kind of accumulation manufacturing technology, i.e. RP technique, it
Based on being a kind of digital model file, with special wax material, powdery metal or plastics etc. can jointing material, pass through printing one
Jointing material layer by layer manufactures three-dimensional object.Three-dimensional printer is used to manufacture product, the mode successively printed at this stage
Carry out the technology of constructed object.The principle of 3D printer is that data and raw material are put into 3D printer, and machine can be according to program handle
Product manufactures from level to level.
Common 3D printer nozzle material is brass and ceramic body in the market, is generally all made using resistance wire heating power
For heat generating member, the temperature of resistance wire passes to nozzle so as to melt silk.For nozzle if ceramic material, ceramic is bad,
Nozzle internal-external temperature difference is big, and using effect is poor；An insulation should be done if nozzle is brass material, between resistance wire and nozzle
Layer.Existing Resistant heating needs to consider insulating properties, and using above there is certain danger, in addition resistance wire is in long-time service
In the process, once the oxide-film aging and damage on surface, inner element are consumed always, be just present with heating it is unstable, lead
The silk in nozzle is caused to melt unshapeliness, bulk occurs, so as to block nozzle, printer model effect declines.
In view of this, the present inventor specially devises a kind of novel three-dimensional printer head structure, thus this case generates.
The content of the invention
To solve the above-mentioned problems, the technical solution of the utility model is as follows：
A kind of novel three-dimensional printer head structure, including nozzle, heating unit, overall structure is symmetrical arranged, the spray
Head includes nozzle and nozzle cylinder, the two are an integral structure, using copper material, the tapered shape of nozzle exterior,
Inside sets bellmouth, and including input end and the port of export, the input end is gradually tapered up toward outlet extreme direction, and the taper
The input end diameter in hole is consistent with nozzle cylinder internal diameter, on the nozzle cylinder set thermometric slot, the thermometric groove center line with
Nozzle tubular axis is vertical；The heating unit, which includes heating tube, terminal stud and heating electrode, the terminal stud, two
It is a, and heating tube both sides are symmetrically disposed on, the heating electrode also sets two, and described two heating electrodes one end is fixed respectively
In on two terminal studs, the heating tube uses MCH ceramic heating pipes, and the MCH ceramic heats tube thickness is 0.62mm, institute
It is consistent with nozzle cylinder outer shape to state MCH ceramic heating pipes interior shape, is sheathed on outside nozzle cylinder, and is set close to nozzle
It puts.
Further, outside the nozzle cylinder it is cylinder.
Further, the nozzle uses brass material.
Further, the MCH ceramic heating pipes are bonded together by water glass adhesive and nozzle shell portion.
Further, the MCH ceramic heating pipes be three-decker, successively including the first green cast sheet, heating layer with
And the second green cast sheet, the heating layer include heating wires and extraction electrode.
Further, two heating electrode is nickel wire.
Further, the thermometric slot is cylindrical, and is internally provided with temperature-controlling component.
Further, the temperature-controlling component uses thermocouple.
The nozzle of the utility model 3 D-printing nozzle uses integral structure, using copper material, intermetallic composite coating precision
Height, thermal conductivity is excellent, and the heating tube of heating unit is using MCH ceramic heating pipes, and MCH ceramic heat tube thickness only has
0.62mm so that the temperature that the actual temperature of silk and MCH ceramic heating pipes generate inside nozzle is very close, facilitates temperature
Management and control, usage safety performance are excellent；Overall package is convenient, simple in structure, this copper additional MCH ceramic heating pipes of Metallic Nozzle At The Ingot
Combination, the excellent benefit of the machining accuracy and thermal conductivity of existing metal, and combine the heating rate of ceramic heating pipe
Soon, the characteristic of long lifespan, two kinds of advantages are combined into one, and are a kind of products for having very much the market competitiveness.
Description of the drawings
The utility model is further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the structure diagram of the utility model 3 D-printing nozzle；
Fig. 2 is the sectional view of the utility model 3 D-printing nozzle；
Fig. 3 is the structure diagram of the utility model heating layer.
Label declaration：
10- nozzles, 11- nozzles, the 111- ports of export, 112- input ends, 12- nozzle cylinders, 121- thermometric slots, 20- heating
Device, 21- heating tubes, 22- terminal studs, 23- heating electrodes, 30- heating layers, 31- heating wires, 32- extraction electrodes.
Specific embodiment
It please refers to Fig.1 to 3, is a kind of 10 knot of novel three-dimensional printer head of the most preferred embodiment as the utility model
Structure, including nozzle 10, heating unit 20, overall structure is symmetrical arranged, wherein, 20 fixing sleeve of heating unit is arranged on nozzle 10,
Nozzle 10 is heated.
Nozzle 10 includes nozzle 11 and nozzle cylinder 12, and the two is an integral structure, using copper material, copper material
Nozzle 10 there is high precision machining and easy to process, and thermal conductivity is high, and entire 10 temperature of column nozzle can be made equal
It is even, and it is rapid to heat up, copper material can be brass material, and the 11 tapered shape in outside of nozzle is internal to set bellmouth, including
Input end 112 and the port of export 111, input end 112 are gradually tapered up toward 111 direction of the port of export, and nozzle cylinder 12 is cylindrical,
Inside is cylindrical hole, and 112 diameter of input end of bellmouth is consistent with 12 internal diameter of nozzle cylinder, sets and surveys on nozzle cylinder 12
Warm slot 121,121 center line of thermometric slot is vertical with 12 axis of nozzle cylinder, and thermometric slot 121 is cylindrical, and is internally provided with control
Warm component, temperature-controlling component use thermocouple.
Heating unit 20 includes heating tube 21, terminal stud 22 and heating electrode 23, and there are two terminal studs 22, and right
Title is arranged at 21 both sides of heating tube, and heating electrode 23 also sets two, and two heating electrodes 23 are nickel wire, and two are heated electrodes one
End is individually fixed on two terminal studs 22, and heating tube 21 is using MCH ceramic heating pipes 21,21 thickness of MCH ceramic heating pipes
For 0.62mm so that the temperature that the actual temperature and MCH ceramic heating pipes 21 of 10 inside silk of nozzle generate is very close, convenient
The management and control of temperature, usage safety performance are excellent；21 interior shape of MCH ceramic heating pipes is consistent with 12 outer shape of nozzle cylinder,
It is sheathed on outside nozzle cylinder 12, and is set close to nozzle 11.
MCH ceramic heating pipes 21 by water glass adhesive together with 12 part adhesive of nozzle cylinder, MCH ceramic heating pipes 21
It is sticky in by water glass adhesive on nozzle cylinder 12, easy to assembly, overall structure is simple；Wherein, after MCH ceramic heating pipes 21 are spread out
For three-decker, successively including the first green cast sheet, 30 and second green cast sheet of heating layer, three is superimposed, then in temperature
Spend 75 DEG C, pressure 60kg/fcm-2Lower to pass through pressurize one minute, isostatic pressed fits closely three together, then passes through volume
Stick device is rolled in tubular frock, by 200Kg/f isostatic presseds, finally in 1650 DEG C or so high temperature sinterings.Wherein, heating layer 30
It is symmetrical arranged, including heating wires 31 and extraction electrode 32, extraction electrode 32 sets two, is connected respectively with heating wires 31
It is connected again respectively at terminal stud 22 afterwards, connects after circuit to be formed into a loop by two heating electrodes 23 and be heated.
The formula of wherein waterglass is that the ratio of alumina powder and saturation sodium silicate nanahydrate alumina powder is 2.4 to 1,
After MCH ceramic heating pipes 21 are glued with nozzle cylinder 12, in 80 DEG C of -100 DEG C of drying for 24 hours.
The combination of this 10 additional ceramic heating pipe 21 of copper Metallic Nozzle At The Ingot, the machining accuracy and thermal conductivity of existing metal
The excellent benefit of rate, but the heating rate for combining ceramic heating pipe 21 is fast, the characteristic of long lifespan, and two kinds of advantages are combined into one,
It is a kind of product for having very much the market competitiveness.
In conclusion the nozzle of the utility model 3 D-printing nozzle is made of brass material, intermetallic composite coating precision is high,
Thermal conductivity is excellent, and the heating tube of heating unit is using MCH ceramic heating pipes, and MCH ceramic heat tube thickness only has 0.62mm, makes
It is very close to obtain the temperature that the actual temperature of silk and MCH ceramic heating pipes generate inside nozzle, facilitates the management and control of temperature, uses
Security performance is excellent；MCH ceramic heating pipes are sticky in by water glass adhesive on nozzle cylinder, easy to assembly, and overall structure is simple.This
The combination of kind copper additional ceramic heating pipe of Metallic Nozzle At The Ingot, the excellent benefit of the machining accuracy and thermal conductivity of existing metal,
Combine that the heating rate of ceramic heating pipe is fast again, the characteristic of long lifespan, two kinds of advantages are combined into one, and are a kind of to have very much market
The product of competitiveness.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model implement and from
The limitation of aforesaid way, as long as employing changing for the various unsubstantialities that the methodology of the utility model and technical solution carry out
Into or it is not improved the design of the utility model and technical solution are directly applied into other occasions, in the utility model
Protection domain within.
Claims (8)
1. a kind of novel three-dimensional printer head structure, which is characterized in that including nozzle, heating unit, overall structure is symmetrically set
It puts, the nozzle includes nozzle and nozzle cylinder, the two are an integral structure, and using copper material, the nozzle exterior is in
Cone-shaped, internal to set bellmouth, including input end and the port of export, the input end is gradually tapered up toward outlet extreme direction,
And the input end diameter of the bellmouth is consistent with nozzle cylinder internal diameter, and thermometric slot, the thermometric are set on the nozzle cylinder
Groove center line is vertical with nozzle tubular axis；The heating unit includes heating tube, terminal stud and heating electrode, described to connect
There are two line ends, and is symmetrically disposed on heating tube both sides, and the heating electrode also sets two, two heating electrode one
End is individually fixed on two terminal studs, and the heating tube uses MCH ceramic heating pipes, the MCH ceramic heats tube thickness
For 0.62mm, the MCH ceramic heating pipes interior shape is consistent with nozzle cylinder outer shape, is sheathed on outside nozzle cylinder, and
It is set close to nozzle.
2. a kind of novel three-dimensional printer head structure according to claim 1, which is characterized in that outside the nozzle cylinder
Portion is cylinder.
3. a kind of novel three-dimensional printer head structure according to claim 1, which is characterized in that the nozzle is using yellow
Copper product.
4. a kind of novel three-dimensional printer head structure according to claim 1, which is characterized in that the MCH ceramics add
Heat pipe is bonded together by water glass adhesive and nozzle shell portion.
5. a kind of novel three-dimensional printer head structure according to claim 1, which is characterized in that the MCH ceramics add
Heat pipe is three-decker, is included successively including the first green cast sheet, heating layer and the second green cast sheet, the heating layer
Heating wires and extraction electrode.
A kind of 6. novel three-dimensional printer head structure according to claim 1, which is characterized in that two heating electricity
Extremely nickel wire.
7. a kind of novel three-dimensional printer head structure according to claim 1, which is characterized in that the thermometric slot is in circle
Column, and it is internally provided with temperature-controlling component.
8. a kind of novel three-dimensional printer head structure according to claim 7, which is characterized in that the temperature-controlling component is adopted
Use thermocouple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721105873.4U CN207373697U (en) | 2017-08-31 | 2017-08-31 | A kind of novel three-dimensional printer head structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721105873.4U CN207373697U (en) | 2017-08-31 | 2017-08-31 | A kind of novel three-dimensional printer head structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207373697U true CN207373697U (en) | 2018-05-18 |
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ID=62342521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721105873.4U Active CN207373697U (en) | 2017-08-31 | 2017-08-31 | A kind of novel three-dimensional printer head structure |
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| Country | Link |
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| CN (1) | CN207373697U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127992A (en) * | 2019-06-27 | 2019-08-16 | 厦门大学 | A kind of the glass 3D printing device and its Method of printing of fused glass pellet |
| CN110228199A (en) * | 2019-06-19 | 2019-09-13 | 南京航空航天大学 | A kind of 3D printer heating nozzle |
-
2017
- 2017-08-31 CN CN201721105873.4U patent/CN207373697U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228199A (en) * | 2019-06-19 | 2019-09-13 | 南京航空航天大学 | A kind of 3D printer heating nozzle |
| CN110127992A (en) * | 2019-06-27 | 2019-08-16 | 厦门大学 | A kind of the glass 3D printing device and its Method of printing of fused glass pellet |
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