CN207028190U - A kind of nozzle arrangements of 3D printer - Google Patents
A kind of nozzle arrangements of 3D printer Download PDFInfo
- Publication number
- CN207028190U CN207028190U CN201720354148.4U CN201720354148U CN207028190U CN 207028190 U CN207028190 U CN 207028190U CN 201720354148 U CN201720354148 U CN 201720354148U CN 207028190 U CN207028190 U CN 207028190U
- Authority
- CN
- China
- Prior art keywords
- nozzle
- heater
- printer
- thermal insulating
- material conveying
- 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.)
- Expired - Fee Related
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Abstract
It the utility model is related to a kind of nozzle arrangements of 3D printer, belong to 3D printing equipment component technical field, including nozzle carrier, thermal insulating connectors, heater and shower nozzle, heater connects the nozzle carrier by thermal insulating connectors, there is material conveying passage, shower nozzle connects the heater and connecting material conveying passage makes material to be sprayed at shower nozzle in nozzle carrier.The structure makes the heat in heater not heated to the wire rod in material conveying passage, prevents the supply that material conveying passage softens or melted to wire rod from impacting by the setting of thermal insulating connectors.The thermal insulating connectors include tube and insulation part, and insulation part is placed on the middle part of tube and extending radially outwardly along tube.The heated nozzle seat in the form of heat radiation of heat caused by heater can be prevented by the insulation part to stretch out, so as to avoid the wire rod of nozzle carrier from melting or soften.
Description
Technical field
A kind of nozzle arrangements of 3D printer are the utility model is related to, belong to 3D printing equipment component technical field.
Background technology
3D printing technique is a kind of rapid prototyping ＆ manufacturing technology fast-developing in recent years, and it is using computer technology as base
Plinth, by the way that software hierarchy is discrete and numerical control molding system, using modes such as high energy laser beam, hot melt nozzles by metal, ceramic powder
The materials such as end, plastics and cell tissue successively accumulate the manufacture method of molding bonded.At present, in 3D printing technique field
The most widely used to be known as Deformation In The Fdm Process, i.e. FDM modes, thermal plastic high polymer wire rod is mainly transported to by it
High temperature print head, by wire rod melt and continuously extrusion melt macromolecule, and under being accurately positioned by way of successively accumulating structure
Build three bodies.But while material molten, high temperature can be also conducted to nozzle carrier, as arrived certain temperature, material greatly in cavity
Material begins to softening transform in cavity, the final precision of this printer model not only influenced whether, is also possible to cause when serious
Printer head blocks, and causes printer failure.
Utility model content
The purpose of this utility model is：For above-mentioned problem, there is provided a kind of nozzle arrangements of 3D printer, every
Thermally coupled part makes heat in heater not heated to the wire rod in material conveying passage, prevent material conveying passage soften or
Melt the supply to wire rod to impact.
The technical solution adopted in the utility model is as follows：
The utility model discloses a kind of nozzle arrangements of 3D printer, including nozzle carrier, thermal insulating connectors, heater,
And shower nozzle, heater connect the nozzle carrier by thermal insulating connectors, there is material conveying passage in nozzle carrier, described in shower nozzle connects
Heater and connecting material conveying passage makes material to be sprayed at shower nozzle.The structure makes to add by the setting of thermal insulating connectors
Heat in hot device will not heat to the wire rod in material conveying passage, prevent material conveying passage from softening or melting to wire rod
Supply impacts.
Further, the thermal insulating connectors include tube and insulation part, and insulation part is placed on the middle part of tube and along pipe
Shape portion extends radially outwardly.It can prevent heat caused by heater in the form of heat radiation by the insulation part to stretch out
Heated nozzle seat, so as to avoid the wire rod of nozzle carrier from melting or soften.
Further, the aperture of material conveying passage and the aperture of tube are suitable, and step is provided with material channel exit
Hole, the one end fits connection stepped hole of tube.It is to ensure stablizing for nozzle carrier and thermal insulating connectors to set stepped hole
Cross, prevent junction from forming step and influenceing the conveying of wire rod.
Further, one end of tube connection stepped hole is provided with counterbore, the counterbore and tube coaxial line, in stepped hole
Inner side have coordinate the counterbore flange.The counterbore of the structure and the fit structure of flange, the contraposition in hole can be effectively realized,
Prevent junction from staggering and influence the conveying of wire rod.
Further, there is heating chamber in the inner side of shower nozzle, sealing inclined-plane is provided with the side wall of heater, tube goes out
Seal head is provided with mouthful, the seal head, which coordinates, compresses sealing inclined-plane.The structure is prevented by the cooperation of seal head and sealing inclined-plane
Material after only melting enters the junction of shower nozzle and heater, influences the dismounting of shower nozzle and the transmission of heat.
Further, nozzle carrier, thermal insulating connectors, heater and shower nozzle are threadedly coupled successively.Under shower nozzle and thermal insulating connectors
Side screw thread specification is identical, and the two stops after screwing in heater contacts.
Further, the shower nozzle has heating chamber, has heat insulation path in thermal insulating connectors, heat insulation path is undertaken in heating
Between chamber and material conveying passage, counterbore, exit are provided with provided with raised seal head in the entrance of heat insulation path；In material
Transfer passage exit is provided with the flange for coordinating the counterbore, and the sealing inclined for coordinating the seal head is provided with the side wall of heating chamber
Face.
Further, for the heaters set on shower nozzle and fixed and heat the shower nozzle, thermal insulating connectors are connected to heater
Between nozzle carrier, thermal insulating connectors have insulation part, and the insulation part covers described add on the axis of material conveying passage
Hot device.
Further, the insulation part and both sides separated respectively with heater and nozzle carrier gap.The structure passes through gap
Insulation part and heater are separated, improves effect of heat insulation.
Further, the heater is provided with temperature sensor fixing hole and adding thermal resistance mounting hole.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：
1. the structure makes the heat in heater will not be to the line in material conveying passage by the setting of thermal insulating connectors
Material heats, and prevents the supply that material conveying passage softens or melted to wire rod from impacting；On the upside of nozzle carrier charging hole with it is heat-insulated
Connector diameter of bore is identical, avoids and cascaded surface is produced in fill process, ensure that in wire rod course of conveying smoothly；
2. thermal insulating connectors are by material systems such as the mixtures of bimaleimide resin, polyamide, nylon and glass fibre
Make, possess relatively low pyroconductivity, heat produced by can avoiding heat block is conducted by the way of contact to nozzle carrier；Line connection can
Manufactured using fine thread, to possess the connection effect of precision.
Brief description of the drawings
Fig. 1 is the fractionation structure chart of the nozzle arrangements of 3D printer；
Fig. 2 is the assembling assumption diagram of the nozzle arrangements of 3D printer.
Marked in figure：1- nozzle carriers, 11- flanges, 2- thermal insulating connectors, 21- counterbores, 22- insulation parts, 23- seal heads, 3-
Heater, 31- temperature sensor fixing holes, 32- adding thermal resistance mounting holes, 4- shower nozzles, 41- sealing inclined-planes.
Embodiment
Embodiment 1
As shown in Figure 1, 2, a kind of nozzle arrangements of 3D printer of the utility model, including nozzle carrier 1, thermal insulating connectors 2,
Heater 3 and shower nozzle 4, heater 3 connect the nozzle carrier 1 by thermal insulating connectors 2, have material conveying logical in nozzle carrier 1
Road, shower nozzle 4 connects the heater 3 and connecting material conveying passage makes material to be sprayed at shower nozzle 4.Thermal insulating connectors 2 wrap
Tube and insulation part 22 are included, insulation part 22 is placed on the middle part of tube and extending radially outwardly along tube.Material conveys
The aperture of passage is suitable with the aperture of tube, and stepped hole, the one end fits connection of tube are provided with material channel exit
Stepped hole.One end of tube connection stepped hole is provided with counterbore 21, the counterbore 21 and tube coaxial line, in stepped hole
Side has the flange 11 for coordinating the counterbore 21.
There is heating chamber in the inner side of shower nozzle 4, sealing inclined-plane 41, the outlet of tube are provided with the side wall of heater 3
Place is provided with seal head 23, and the seal head 23, which coordinates, compresses sealing inclined-plane 41.
Nozzle carrier 1, thermal insulating connectors 2, heater 3 and shower nozzle 4 are threadedly coupled successively.
Embodiment 2
The nozzle arrangements of 3D printer of the present utility model, including nozzle carrier 1, thermal insulating connectors 2, heater 3 and shower nozzle
4, heater 3 connects the nozzle carrier 1 by thermal insulating connectors 2, has material conveying passage in nozzle carrier 1, and shower nozzle 4 connects described
Heater 3 and connecting material conveying passage makes material to be sprayed at shower nozzle 4.Shower nozzle 4 has a heating chamber, in thermal insulating connectors 2
With heat insulation path, heat insulation path is undertaken between heating chamber and material conveying passage, and it is heavy to be provided with the entrance of heat insulation path
Hole 21, exit are provided with raised seal head 23；The flange 11 for coordinating the counterbore 21 is provided with material conveying passage exit,
The side wall of heating chamber is provided with the sealing inclined-plane 41 for coordinating the seal head 23.Heater 3 is placed on shower nozzle 4 and fixed and heating should
Shower nozzle 4, thermal insulating connectors 2 are connected between heater 3 and nozzle carrier 1, and thermal insulating connectors 2 have insulation part 22, described heat-insulated
Portion 22 covers the heater 3 on the axis of material conveying passage.Insulation part 22 and both sides respectively with heater 3 and nozzle
1 gap of seat separates.Heater 3 is provided with temperature sensor fixing hole 31 and adding thermal resistance mounting hole 32.
Claims (9)
- A kind of 1. nozzle arrangements of 3D printer, it is characterised in that including nozzle carrier, thermal insulating connectors, heater and shower nozzle, Heater connects the nozzle carrier by thermal insulating connectors, has material conveying passage in nozzle carrier, and shower nozzle connects the heater And connecting material conveying passage makes material to be sprayed at shower nozzle, the thermal insulating connectors include tube and insulation part, heat-insulated Portion is placed on the middle part of tube and extending radially outwardly along tube.
- 2. the nozzle arrangements of 3D printer as claimed in claim 1, it is characterised in that the aperture of material conveying passage and tubulose The aperture in portion is suitable, and stepped hole, the one end fits connection stepped hole of tube are provided with material channel exit.
- 3. the nozzle arrangements of 3D printer as claimed in claim 2, it is characterised in that the tube connects one end of stepped hole Provided with counterbore, the counterbore and tube coaxial line, there is the flange for coordinating the counterbore in the inner side of stepped hole.
- 4. the nozzle arrangements of 3D printer as claimed in claim 1, it is characterised in that there is heating chamber in the inner side of shower nozzle, Sealing inclined-plane is provided with the side wall of heater, the exit of tube is provided with seal head, and the seal head, which coordinates, compresses sealing Inclined-plane.
- 5. the nozzle arrangements of 3D printer as claimed in claim 1, it is characterised in that nozzle carrier, thermal insulating connectors, heating Device and shower nozzle are threadedly coupled successively.
- 6. the nozzle arrangements of 3D printer as claimed in claim 1, it is characterised in that the shower nozzle has heating chamber, heat-insulated There is heat insulation path in connector, heat insulation path is undertaken between heating chamber and material conveying passage, in the import of heat insulation path Place is provided with raised seal head provided with counterbore, exit；The flange for coordinating the counterbore is provided with material conveying passage exit, The side wall of heating chamber is provided with the sealing inclined-plane for coordinating the seal head.
- 7. the nozzle arrangements of 3D printer as claimed in claim 6, it is characterised in that the heaters set is on shower nozzle and solid Fixed and heat the shower nozzle, thermal insulating connectors are connected between heater and nozzle carrier, and thermal insulating connectors have an insulation part, it is described every Hot portion covers the heater on the axis of material conveying passage.
- 8. the nozzle arrangements of 3D printer as claimed in claim 7, it is characterised in that the insulation part and both sides respectively with Heater and nozzle carrier gap separate.
- 9. the nozzle arrangements of 3D printer as claimed in claim 7, it is characterised in that the heater is provided with TEMP Device mounting hole and adding thermal resistance mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720354148.4U CN207028190U (en) | 2017-04-06 | 2017-04-06 | A kind of nozzle arrangements of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720354148.4U CN207028190U (en) | 2017-04-06 | 2017-04-06 | A kind of nozzle arrangements of 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207028190U true CN207028190U (en) | 2018-02-23 |
Family
ID=61473209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720354148.4U Expired - Fee Related CN207028190U (en) | 2017-04-06 | 2017-04-06 | A kind of nozzle arrangements of 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207028190U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239095A (en) * | 2019-06-18 | 2019-09-17 | 北京卫星制造厂有限公司 | A kind of in-orbit binary channel 3D printing head based on aeroge wrapping layer used |
| CN110605852A (en) * | 2018-06-14 | 2019-12-24 | 麦递途医疗科技（上海）有限公司 | Nozzle with regional accurate heating function |
-
2017
- 2017-04-06 CN CN201720354148.4U patent/CN207028190U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110605852A (en) * | 2018-06-14 | 2019-12-24 | 麦递途医疗科技（上海）有限公司 | Nozzle with regional accurate heating function |
| CN110239095A (en) * | 2019-06-18 | 2019-09-17 | 北京卫星制造厂有限公司 | A kind of in-orbit binary channel 3D printing head based on aeroge wrapping layer used |
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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: 20180223 Termination date: 20210406 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |