CN209454174U - A kind of 3D plastics printer spray head - Google Patents
A kind of 3D plastics printer spray head Download PDFInfo
- Publication number
- CN209454174U CN209454174U CN201920075662.3U CN201920075662U CN209454174U CN 209454174 U CN209454174 U CN 209454174U CN 201920075662 U CN201920075662 U CN 201920075662U CN 209454174 U CN209454174 U CN 209454174U
- Authority
- CN
- China
- Prior art keywords
- feed pipe
- heat block
- mounting blocks
- pipe
- spray head
- 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
The utility model discloses a kind of 3D plastics printer spray heads, including mounting blocks and heat block, the heat block is fixed below mounting blocks by connector, feed pipe is equipped in the mounting blocks, cooling water pipe and defective material cleaning mechanism, the cooling water pipe surrounds and is located at feed pipe surrounding, the feed pipe side is connected to defective material cleaning mechanism, the defective material cleaning mechanism includes piston cylinder, air pump, air inlet pipe and the pressure valve being located in air inlet pipe, piston is equipped in the piston cylinder, the space of described piston one end is connected to the snorkel of air pump, the space of the piston other end is connected to by air inlet pipe with feed pipe, the air inlet pipe tilts down setting, the feed pipe is extend into heat block across mounting blocks and bottom is equipped with nozzle, the nozzle is located at heat block lower surface.The utility model can prevent the material softening blocking feed pipe for not reaching spray head, and remain in spray head without material, and material pollution will not be generated when reloading.
Description
Technical field
The utility model relates to 3D printing technique field more particularly to a kind of 3D plastics printer spray heads.
Background technique
The realization of 3D printing technique depends on 3D printer, the working principle of 3D printer are as follows: Input Software data command
3D printer is manipulated, Filamentous heat-fusible materials heating and melting solidifies after being squeezed out by printing head, hot melt material is molten
It sprays, is deposited on print job deck plate or preceding layer oneself cured material from spray head after change, temperature is lower than solidification temperature
After start to solidify, final finished is formed by the layer upon layer of material.
When existing 3D printer is heated at spray head, make not arrive spray head also since heat can be transmitted along feed pipe
Material softening, phenomena such as causing feed pipe to generate blocking, simultaneously for the 3D printer of single nozzle, in printing by multiple color
Or multiple material composition three-dimensional objects when need frequent replacement raw material, therefore usually can be because of former remaining in spray head
Raw material influences the print quality of product.
Summary of the invention
The purpose of this utility model is that: a kind of 3D plastics printer spray head is provided, can prevent from not reaching spray head
Material softening blocking feed pipe, and remained in spray head without material, material pollution will not be generated when reloading.
The technical solution adopted in the utility model is as follows:
A kind of 3D plastics printer spray head, including mounting blocks and heat block, the heat block are fixed on by connector
The both ends that feed pipe and feed pipe are radially equipped with below mounting blocks, in the mounting blocks each extend to the outer of mounting blocks
Portion, the feed pipe are all around arranged with cooling water pipe, and defective material cleaning mechanism, the feed pipe are additionally provided in the mounting blocks
Road side is connected to defective material cleaning mechanism, and the defective material cleaning mechanism includes piston cylinder, air pump, air inlet pipe and is located in air inlet pipe
Pressure valve, piston is equipped in the piston cylinder, the space of described piston one end is connected to the snorkel of air pump, and the piston is another
The space of one end is connected to by air inlet pipe with feed pipe, and the air inlet pipe tilts down setting, and the feed pipe passes through peace
Dress block is extend into heat block and bottom is equipped with nozzle, and the nozzle is located at heat block lower surface.
The working principle of the utility model are as follows:
When spray head works, water is passed through into cooling water pipe, water constantly flows the heat for taking away feed pipe above heat block,
The heat for preventing heat block from generating is communicated up along feed pipe softens the material for not reaching spray head also, and it is existing that blocking etc. occurs
As starting the air pump of defective material cleaning mechanism, ventilating into piston cylinder, a lateral pressure of piston can increase when needing replacing material
Greatly, make piston mobile to the other side, while pressure can be applied to the piston other side, beaten automatically when pressure valve reaches starting pressure
It opens, high pressure draught enters in feed pipe, and since air inlet pipe tilts down, high pressure draught can be flowed at nozzle, then from spray
Mouth sprays, and is blown out remaining material at nozzle, achievees the effect that clear up residual material.
Further, the top of the feed pipe and air inlet pipe communication port is equipped with deflector, and the deflector dips down
It tiltedly and is located on feed pipe inner wall, high pressure draught aggregation is made it to flowing at nozzle by deflector, improves air-flow utilization rate.
Further, the heat block includes the electric heating layer for being located at feed pipe lower end surrounding, and is filled in heat block
Insulating layer between inner wall and electric heating layer, electric heating layer, which carries out heating to feed pipe, melts material, and insulating layer can be into
Row heat preservation, improves the utilization rate of heat.
Further, the lower surface of the heat block is additionally provided with cooling fan, and there are two the cooling fans and is located at spray
Mouth both sides make material be deposited on oneself cured material of print job deck plate or preceding layer when nozzle squeezes out the material melted
When upper, cooling fan can be cooled down freshly extruded material, accelerate solidification.
Further, the cooling water pipe is snakelike tubulose, can increase the contact area of cooling water pipe and feed pipe,
Improve cooling effect.
Further, the feed pipe inner wall in the heat block is equipped with temperature inductor, can monitor in heat block
Feed pipe temperature, keep temperature can maintain always make material melt state.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1. the utility model is by the surrounding setting cooling water pipe in feed pipe, the water flowing into cooling water pipe, water is continuous
Fluxion strap walks the heat of feed pipe, and the heat for effectively preventing heat block generation is communicated up along feed pipe to be made not arrive also
Material up to spray head softens, phenomena such as blocking.
2. the defective material cleaning mechanism that the utility model is connected to by setting with feed pipe starts the gas of defective material cleaning mechanism
Pump, ventilates into piston cylinder, and a lateral pressure of piston will increase, and keeps piston mobile to the other side, while can be to the piston other side
Apply pressure, automatically opened when pressure valve reaches starting pressure, high pressure draught enters feed pipe and sprays from nozzle, makes nozzle
Locate remaining material to be blown out, achievees the effect that clear up residual material.
3. the utility model is by being arranged insulating layer between electric heating layer and heat block inner wall, when electric heating layer is to charging
Pipeline heat when melting material, and insulating layer can be kept the temperature, and the utilization rate of heat is improved.
4. the utility model, when the material that nozzle extrusion is melted, is made by being equipped with cooling fan in the lower surface of heat block
When material is deposited on print job deck plate or preceding layer oneself cured material, cooling fan can be to freshly extruded material
It is cooled down, accelerates solidification.
Detailed description of the invention
The utility model will illustrate by example and with reference to the appended drawing, in which:
Fig. 1 is the structure chart of the utility model water-soluble poly ammonium phosphate solids manufacture device.
In the figure, it is marked as 1- mounting blocks, 2- heat block, 21- electric heating layer, 22- insulating layer, 23- cooling fan, 3- connection
Part, 4- feed pipe, 5- nozzle, 6- temperature inductor, 7- cooling water pipe, 8- defective material cleaning mechanism, 81- air pump, 82- ventilation
Pipe, 83- piston cylinder, 84- piston, 85- air inlet pipe, 86- pressure valve, 87- deflector.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
A kind of 3D plastics printer spray head, including mounting blocks 1 and heat block 2, the heat block 2 are solid by connector 3
It is scheduled on 1 lower section of mounting blocks, feed pipe 4 is radially equipped in the mounting blocks 1 and the both ends of feed pipe 4 each extends to installation
The outside of block 1, the feed pipe 4 are all around arranged with cooling water pipe 7, are additionally provided with defective material cleaning mechanism in the mounting blocks 1
8,4 side of feed pipe is connected to defective material cleaning mechanism 8, the defective material cleaning mechanism 8 include piston cylinder 83, air pump 81,
Air inlet pipe 85 and the pressure valve 86 being located in air inlet pipe 85, the piston cylinder 83 is interior to be equipped with piston 84, described 84 one end of piston
Space is connected to the snorkel 82 of air pump 81, and the space of 84 other end of piston is connected to by air inlet pipe 85 with feed pipe 4,
The air inlet pipe 85 tilts down setting, and the feed pipe 4 is extend into heat block 2 across mounting blocks 1 and bottom is equipped with spray
Mouth 5, the nozzle 5 are located at 2 lower surface of heat block.
The working principle of the utility model are as follows:
When spray head works, water is passed through into cooling water pipe 7, water constantly flows the heat for taking away 2 top feed pipe 4 of heat block
Amount, the heat for preventing heat block 2 from generating is communicated up along feed pipe 4 softens the material for not reaching spray head also, occurs stifled
Phenomena such as plug, starts the air pump 81 of defective material cleaning mechanism 8, ventilates into piston cylinder 83 when needing replacing material, piston 84
One lateral pressure will increase, and keep piston 84 mobile to the other side, while can apply pressure to 84 other side of piston, when pressure valve 86 reaches
To automatically opening when starting pressure, high pressure draught is entered in feed pipe 4, since air inlet pipe 85 tilts down, high pressure draught
It can be sprayed to flowing at nozzle 5, then from nozzle 5, be blown out remaining material at nozzle 5, reach the effect of cleaning residual material
Fruit.
Embodiment 2
On the basis of embodiment 1, the feed pipe 4 and the top of 85 communication port of air inlet pipe are equipped with deflector 87, institute
It states deflector 87 to tilt down and be located on 4 inner wall of feed pipe, high pressure draught aggregation is made it to stream at nozzle 5 by deflector 87
It is dynamic, improve air-flow utilization rate.
Embodiment 3
On the basis of embodiment 1, the heat block 2 includes the electric heating layer 21 for being located at 4 lower end surrounding of feed pipe, and
The insulating layer 22 being filled between 2 inner wall of heat block and electric heating layer 21, electric heating layer 21, which carries out heating to feed pipe 4, makes object
Material melts, and insulating layer 22 can be kept the temperature, and improves the utilization rate of heat.
Embodiment 4
On the basis of embodiment 1, the lower surface of the heat block 2 is additionally provided with cooling fan 23, the cooling fan 23
There are two and be located at 5 both sides of nozzle, when nozzle 5 squeezes out the material melted, material is made to be deposited on print job deck plate or preceding
When on one layer of oneself cured material, cooling fan 23 can be cooled down freshly extruded material, accelerate solidification.
Embodiment 5
On the basis of embodiment 1, the cooling water pipe 7 is snakelike tubulose, and cooling water pipe 7 is located in mounting blocks and intakes
The through-hole at the top of mounting blocks is run through in end and water outlet, and cooling water pipe 7 is serpentine-like to be coiled on feed pipe 4, can be increased cold
But the contact area of water pipe 7 and feed pipe 4 improves cooling effect.
Embodiment 6
On the basis of embodiment 1,4 inner wall of feed pipe in the heat block 2 is equipped with temperature inductor 6, can be with
The temperature of the feed pipe 4 in heat block 2 is monitored, keeps temperature that can maintain the state for melting material always.
Claims (6)
1. a kind of 3D plastics printer spray head, including mounting blocks (1) and heat block (2), the heat block (2) pass through connector
(3) it is fixed below mounting blocks (1), which is characterized in that be radially equipped with feed pipe (4) in the mounting blocks (1) and feed
The both ends of pipeline (4) each extend to the outside of mounting blocks (1), and the feed pipe (4) is all around arranged with cooling water pipe (7),
It is additionally provided with defective material cleaning mechanism (8) in the mounting blocks (1), feed pipe (4) side and defective material cleaning mechanism (8) are even
Logical, the defective material cleaning mechanism (8) includes piston cylinder (83), air pump (81), air inlet pipe (85) and is located on air inlet pipe (85)
Pressure valve (86), the piston cylinder (83) is interior to be equipped with piston (84), the space of described piston (84) one end and leading to for air pump (81)
The space of tracheae (82) connection, piston (84) other end is connected to by air inlet pipe (85) with feed pipe (4), the air inlet
Pipe (85) tilts down setting, and the feed pipe (4) extend into heat block (2) across mounting blocks (1) and bottom is equipped with spray
Mouth (5), the nozzle (5) are located at heat block (2) lower surface.
2. a kind of 3D plastics printer spray head according to claim 1, which is characterized in that the feed pipe (4) with
The top of air inlet pipe (85) communication port is equipped with deflector (87), and the deflector (87) tilts down and is located at feed pipe (4)
On inner wall.
3. a kind of 3D plastics printer spray head according to claim 1, which is characterized in that the heat block (2) includes
It is located at the electric heating layer (21) of feed pipe (4) lower end surrounding, and is filled between heat block (2) inner wall and electric heating layer (21)
Insulating layer (22).
4. a kind of 3D plastics printer spray head according to claim 1, which is characterized in that under the heat block (2)
Surface is additionally provided with cooling fan (23), and there are two the cooling fans (23) and is located at nozzle (5) both sides.
5. a kind of 3D plastics printer spray head according to claim 1, which is characterized in that the cooling water pipe (7) is
Snakelike tubulose.
6. a kind of 3D plastics printer spray head according to claim 1, which is characterized in that in the heat block (2)
Feed pipe (4) inner wall is equipped with temperature inductor (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920075662.3U CN209454174U (en) | 2019-01-16 | 2019-01-16 | A kind of 3D plastics printer spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920075662.3U CN209454174U (en) | 2019-01-16 | 2019-01-16 | A kind of 3D plastics printer spray head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209454174U true CN209454174U (en) | 2019-10-01 |
Family
ID=68044814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920075662.3U Expired - Fee Related CN209454174U (en) | 2019-01-16 | 2019-01-16 | A kind of 3D plastics printer spray head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209454174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111976129A (en) * | 2020-08-27 | 2020-11-24 | 佘峰 | Quick radiating 3D beats printer head |
-
2019
- 2019-01-16 CN CN201920075662.3U patent/CN209454174U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111976129A (en) * | 2020-08-27 | 2020-11-24 | 佘峰 | Quick radiating 3D beats printer head |
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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: 20191001 Termination date: 20220116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |