CN208867578U - 3D printer spray head and 3D printer - Google Patents
3D printer spray head and 3D printer Download PDFInfo
- Publication number
- CN208867578U CN208867578U CN201821686527.4U CN201821686527U CN208867578U CN 208867578 U CN208867578 U CN 208867578U CN 201821686527 U CN201821686527 U CN 201821686527U CN 208867578 U CN208867578 U CN 208867578U
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- nozzle
- spray head
- insulation layer
- thermal insulation
- printer
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Abstract
The utility model relates to 3D printing fields, disclose a kind of 3D printer spray head.Including nozzle, thermal insulation layer and heater, the thermal insulation layer is arranged around the nozzle, and the heater is arranged in the hollow seal cavity between the nozzle and the thermal insulation layer.It is arranged between spray head and thermal insulation layer by the way that thermal insulation layer is arranged on spray head, then by heater, reduces energy loss and improve capacity usage ratio, while having taken down heat-conducting block, reduce the volume and weight of 3D printer spray head.
Description
Technical field
The utility model relates to 3D printing fields, more particularly to a kind of 3D printer spray head and 3D printer.
Background technique
3D printing, i.e. one kind of rapid prototyping technology, 3D mathematical model is carried out layering sliding-model control by software by it,
Then with powdery metal or plastic etc. can adhesive material, construct entity by way of successively accumulating.3D printing skill
Art belongs to a kind of plus formula manufacture scope, is different from traditional formula that subtracts and manufactures scope, can preferably save raw materials for production.Towards
Under the promotion that personalized and specific sex service manufacture requires, 3D printing, which has begun, is applied in mold generation, personalized product
Production, medical treatment, military affairs etc..Common 3D printing technique has fuse deposition technique, it is to heat Filamentous heat-fusible materials
Melt, squeezed and gushed out by the spray head with a micro-channel, after nozzle ejection, on the table, temperature is lower than deposition
Start to solidify after solidification temperature, finished product is ultimately formed by the layer upon layer of material.Spray head therein is exactly a core component.
The spray head of previous 3D printer has the heat-conducting block of bulk, installs heat source on heat-conducting block, delivers heat to spray by heat-conducting block
Head.Which results in 3D printer spray head heats not to concentrate, energy consumption is high, volume is big.
Summary of the invention
The purpose of the invention is to overcome 3D printer spray head energy consumption of the existing technology is high, volume is big, heat not
The problems in collection, provides a kind of 3D printer spray head, which has small in size, and low energy consumption, and heat concentration degree is high
The characteristics of.
To achieve the goals above, one aspect of the present invention provides a kind of 3D printer spray head, including nozzle, thermal insulation layer and adds
Hot device, the thermal insulation layer are arranged around the nozzle, and the heater is arranged between the nozzle and the thermal insulation layer.
Preferably, the 3D printer spray head further includes temperature sensor and is set in outside the thermal insulation layer described in protection
The shell of thermal insulation layer, the temperature sensor are set in the seal cavity between the thermal insulation layer and the nozzle.
Preferably, the temperature sensor is in contact with the nozzle, and between the temperature sensor and the heater
It separates.
Preferably, the 3D printer spray head further includes stub, one end of the stub pass through the thermal insulation layer with
The heater is connected with the temperature sensor, and the other end stretches out the thermal insulation layer.
Preferably, the outer surface of the nozzle is provided with the planar portions for installing the heater.
Preferably, heat conductive pad is provided between the nozzle and the heater.
Preferably, the 3D printer further includes connector loop and radiator, the connector loop, the radiator and the spray
The concentric setting of mouth, the connector loop are arranged between the radiator and the nozzle.
Preferably, the heater includes ceramic heating plate.
Preferably, the thermal insulation layer partly covers the outer surface of the nozzle, and the thermal insulation layer is circumferentially distributed in described
On nozzle.
The utility model also provides a kind of 3D printer simultaneously, and the 3D printer includes any one in claim 1-9
3D printer spray head described in.
Through the above technical solutions, being arranged by the way that thermal insulation layer is arranged on spray head, then by heater in spray head and thermal insulation layer
Between, it reduces energy loss and improves capacity usage ratio, while having taken down heavy huge heat-conducting block, reduce 3D printer spray
The volume of head.
Detailed description of the invention
Fig. 1 is a kind of perspective view of the 3D printer spray head of embodiment of the utility model；
Fig. 2 is the explosive view of the 3D printer spray head of Fig. 1；
Fig. 3 is another angle explosive view of the 3D printer spray head of Fig. 1；
Fig. 4 is the front view of Fig. 1；
Fig. 5 is the cross-sectional view that the face A-A intercepts along Fig. 4.
Description of symbols
1- nozzle 2- shell
3- thermal insulation layer 4- heater
Thermal insulation layer under 5- temperature sensor 31-
The upper thermal insulation layer of 32-
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " typically refers to 3D printing
Machine spray head during normal use, that is, nozzle 1 downwards spray material when upper and lower relation " inside and outside " refer to 3D printer spray head sheet
The internal and external relation of body profile.
In the present invention, a kind of 3D printer spray head is provided, as shown in Fig. 1 to Fig. 5, including nozzle 1, thermal insulation layer
3 and heater 4, thermal insulation layer 3 is provided with outside the nozzle 1, is provided with the heating between the nozzle 1 and the thermal insulation layer 3
Device 4.
By above-mentioned setting, heater 4 is close to nozzle 1, then is arranged thermal insulation layer 3 in nozzle 1 and heater 4, it will be hot
Amount concentrates on nozzle 1, reduces thermal loss, reduces energy consumption；Having taken down heat-conducting block reduces 3D printer spray head volume simultaneously,
Reduce weight.
3D printer spray head according to the present utility model in actual use, will form one among nozzle 1 and thermal insulation layer 3
Hollow seal cavity, heater 4 are arranged in cavity, it is preferable that the heater 4 will be close to the setting of nozzle 1, more preferably
, the nozzle 1 should be face contact with heater 4.1 material of nozzle is metal, preferred to select copper with good
Thermal conductivity.The thermal insulation layer 3 divides for upper thermal insulation layer 32 and lower thermal insulation layer 31, and thermal insulation layer 3 is divide into upper part and lower part purpose and is easy for
It is assembled on nozzle 1, the circular protrusion of the similar shaft shoulder is typically provided on nozzle, upper and lower thermal insulation layer is respectively from the peace up and down of nozzle
It is attached on the nozzle.Assembly relation between thermal insulation layer 3 and nozzle 1 can be used transition fit or be threadedly engaged.3 material of thermal insulation layer
Expect preferred Ceramics material.
In a kind of embodiment of the utility model, the 3D printer spray head further includes shell 2 and temperature sensor
5；The shell 2 for protecting the thermal insulation layer 3 is set in outside the thermal insulation layer 3,2 profile of shell and 3 outer profile of thermal insulation layer
Unanimously, preferred 3 outer profile of thermal insulation layer should be cylindrical surface or prismatic surface, and further preferred can reduce difficult processing using cylindrical surface
It spends, reduces outer profile area under same volume.The shell 2 uses rigid heat-resistant material, it is preferred select metal material such as iron and
Its alloy, copper, nickel, aluminium etc., further preferred uses stainless steel or brass, and clamping, screw thread can be used in thermal insulation layer 3 and shell 2
Connection, cementing, transition fit or combinations thereof is preferably using threaded connection or clamping.The temperature sensor 5 is set to described
Between thermal insulation layer 3 and the nozzle 1.It should be understood that it is to monitor the temperature of nozzle 1, temperature in real time that purpose, which is arranged, in temperature sensor 5
Sensor is set between nozzle 1 and thermal insulation layer 3, temperature sensor 5 setting should be contacted with nozzle 1 simultaneously not with heater 4
It contacts with each other, previously mentioned heater 4 is located in the seal cavity that thermal insulation layer 3 and nozzle 1 are formed, and temperature sensor 5 is then
It not may be disposed at herein, while the setting of temperature sensor 5 does not contact with each other with the external world, to improve the standard measured 1 temperature of nozzle
True property.
In a kind of embodiment of the utility model, the 3D printer further includes connector loop and radiator, the rank
Connect ring, the radiator and the concentric setting of the nozzle 1, the connector loop setting the radiator and the nozzle 1 it
Between.It will be readily appreciated by those skilled in the art that 3D printer nozzle 1 should avoid thermal conductivity before material is sent to nozzle 1
It causes material silk to melt or soften in advance, causes wire feed unsuccessful, radiator setting purpose is that the cooling heat because of nozzle 1 conducts
Lead to the part that temperature is excessively high on wire feed route, to reduce material in advance by thermal softening.So radiator is set to material entrance
Be heated one section is easiest to before nozzle 1, it is the heat transmitting for reducing nozzle 1 that connector loop, which is set between nozzle 1 and radiator,.It is logical
Crossing arrangement above can guarantee that material silk will not be in advance by thermal softening before entering nozzle 1.
In a kind of embodiment of the utility model, the nozzle 1 is processed one close to the side of the heater 4 and is put down
Face, the installation of heater 4 is on the plane.It is consistent with heater 4 to process plane sizes profile.
Heater 4 can through the above arrangement contacted closer with nozzle 1, improve heat conduction efficiency.
In a kind of embodiment of the utility model, the 3D printer spray head further includes stub, the stub
It is connect across described 3 one end of thermal insulation layer with the heater 4 and the temperature sensor 5, the other end is exposed.
The heater 4 being arranged in closed environment is electrically connected with the external world through the above arrangement, while not destroying heater 4
The closed environment at place.
In a kind of embodiment of the utility model, the heater 4 includes ceramic heating plate.4 body of ceramic heater
Product is small, can be made as various external forms.Preferred Ceramics heater 4 is heater 4 used in this 3D printer spray head.
In a kind of embodiment of the utility model, one layer of setting is thermally conductive between the nozzle 1 and the heater 4
Pad.The setting of heat conductive pad improves heat conduction efficiency between heater 4 and nozzle 1.
In a kind of embodiment of the utility model, the linking ring material includes polytetrafluoroethylene (PTFE).Polytetrafluoroethylene (PTFE)
Coefficient of friction is small can effectively to conduct material silk, while poor thermal conductivity, reduce heat and think heat sink.
In a kind of embodiment of the utility model, the thermal insulation layer 3 is set as not exclusively covering outside the nozzle 1
Lid, the thermal insulation layer 3 are circumferentially distributed on the nozzle 1.It will be readily appreciated by those skilled in the art that nozzle 1 is generally back
Swivel or rotational symmetry, central axis are material silk.Circumferential setting thermal insulation layer 3 namely sprays the one side and spray of material in nozzle 1
Radiator and the one side of connector loop, which is arranged, in mouth 1 will not be arranged thermal insulation layer 3.It can be reduced the heat dissipation of nozzle 1 again through the above arrangement
Meanwhile not influencing the normal work of nozzle 1.
Simultaneously in the utility model, a kind of 3D printer is also provided, includes that the utility model is mentioned in the 3D printer
The 3D printer spray head of confession.3D printer provided by the utility model is sprayed by using the 3D printer in the utility model
Head can be effectively reduced energy consumption, simultaneously as lesser spray head weight, so improving servo response speed.
The preferred embodiment of the present invention has been described above in detail, and still, the present invention is not limited thereto.In skill of the invention
, can be with various simple variants of the technical solution of the present invention are made in art conception range, including each particular technique feature is to appoint
What suitable mode is combined, in order to avoid unnecessary repetition, the present invention to various combinations of possible ways no longer separately
Explanation.But it should also be regarded as the disclosure of the present invention for these simple variants and combination, belongs to protection model of the invention
It encloses.
Claims (10)
1. a kind of 3D printer spray head, which is characterized in that including nozzle (1), thermal insulation layer (3) and heater (4), the thermal insulation layer
(3) it is arranged around the nozzle (1), during the heater (4) is arranged between the nozzle (1) and the thermal insulation layer (3)
In empty seal cavity.
2. 3D printer spray head according to claim 1, which is characterized in that the 3D printer spray head further includes that temperature passes
Sensor (5) and the thermal insulation layer (3) is set in outside to protect the shell (2) of the thermal insulation layer (3), the temperature sensor (5)
It is set between the thermal insulation layer (3) and the nozzle (1).
3. 3D printer spray head according to claim 2, which is characterized in that the temperature sensor (5) and the nozzle
(1) it is in contact, and the temperature sensor (5) is spaced apart with the heater (4).
4. 3D printer spray head according to claim 2, which is characterized in that the 3D printer spray head further includes conductor
Stick, one end of the stub pass through the thermal insulation layer (3) and connect with the heater (4) and the temperature sensor (5), separately
The thermal insulation layer (3) is stretched out in one end.
5. 3D printer spray head according to claim 1, which is characterized in that the outer surface setting of the nozzle (1) is useful
In the planar portions for installing the heater (4).
6. 3D printer spray head according to claim 5, which is characterized in that the nozzle (1) and the heater (4) it
Between be provided with heat conductive pad.
7. 3D printer spray head according to claim 1, which is characterized in that the 3D printer further includes connector loop and dissipates
Hot device, the connector loop, the radiator and the nozzle (1) concentric setting, the connector loop are arranged in the radiator
Between the nozzle (1).
8. 3D printer spray head according to claim 1, which is characterized in that the heater (4) includes ceramic heating plate.
9. 3D printer spray head according to claim 1, which is characterized in that the thermal insulation layer (3) partly covers described
The outer surface of nozzle (1), the thermal insulation layer (3) are circumferentially distributed on the nozzle (1).
10. a kind of 3D printer, which is characterized in that including 3D printer spray head described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821686527.4U CN208867578U (en) | 2018-10-09 | 2018-10-09 | 3D printer spray head and 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821686527.4U CN208867578U (en) | 2018-10-09 | 2018-10-09 | 3D printer spray head and 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208867578U true CN208867578U (en) | 2019-05-17 |
Family
ID=66470380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821686527.4U Active CN208867578U (en) | 2018-10-09 | 2018-10-09 | 3D printer spray head and 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208867578U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113334765A (en) * | 2021-05-20 | 2021-09-03 | 武汉市小奥科技有限责任公司 | Movable spray head of 3D printer |
| CZ309316B6 (en) * | 2020-12-17 | 2022-08-17 | Protoprint S.R.O. | Insulated homogeneously heated melting system for 3D printers |
-
2018
- 2018-10-09 CN CN201821686527.4U patent/CN208867578U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ309316B6 (en) * | 2020-12-17 | 2022-08-17 | Protoprint S.R.O. | Insulated homogeneously heated melting system for 3D printers |
| CN113334765A (en) * | 2021-05-20 | 2021-09-03 | 武汉市小奥科技有限责任公司 | Movable spray head of 3D printer |
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