CN206124214U - Cryogenic 3D printing device of initiative - Google Patents
Cryogenic 3D printing device of initiative Download PDFInfo
- Publication number
- CN206124214U CN206124214U CN201620713995.0U CN201620713995U CN206124214U CN 206124214 U CN206124214 U CN 206124214U CN 201620713995 U CN201620713995 U CN 201620713995U CN 206124214 U CN206124214 U CN 206124214U
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- refrigeration
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Abstract
The utility model provides a cryogenic 3D printing device of initiative, include: the casing is equipped with the wind channel in, casing upper portion is equipped with air intake and thermovent, and the casing bottom is equipped with the air outlet and the storehouse is collected to the comdenstion water, air supply arrangement, it is installed in air intake department, is linked together with the wind channel, heat abstractor, it is installed in thermovent department, including the cold piece of the biography that sets gradually from inside to outside, refrigeration chip, fin and exhaust device, controlling means, it is including installing temperature sensor and the main control board in air outlet department, main control board and temperature sensor and refrigeration chip control connection. The utility model discloses a refrigeration chip initiative cooling, temperature can realize the PID regulation and control, moreover from taking the comdenstion water to collect the storehouse, be one kind efficient, with low costs, the precision is high has initiative cooling function's 3D printing device.
Description
Technical field
This utility model is related to the technical field of heat dissipation of 3D printer, and in particular to a kind of 3D printing dress of active refrigeration
Put.
Background technology
The ultimate principle of FDM 3D printers is exactly that consumptive material is extruded after printhead heating, by computer program instructions
Carry out layer upon layer.And the consumptive material being heated after extrusion needs fast and effectively to cool down, printing matter so could be preferably ensured
Amount, therefore the refrigeration of printout, have a strong impact on the print quality of FMD printers.Current 3D printer, in increasing material manufacturing,
After heating hot melt material or laser sintered material, chiller is not typically installed to material additional, or it is simple equal to the refrigeration of printout
Using direct air-cooled pattern, i.e., directly printout is radiated using fan.This mode, one is that radiating efficiency is low；Two
It is influenced by ambient temperature big, effect is unstable；Three is that temperature is uncontrollable, it is impossible to preferably adapt to the printing material of different qualities
Material, affects print quality；Four is that especially FDM increases material mode type, leads as in 3D printer casing, heat ratio itself is higher
Cause print target item to cool down in a long time, make target item not completely cool down before, it is easy to because of high temperature material
The fluid behaviour of material is deformed and dimensional discrepancy, and causes the accurate-size for not reaching setting of target item.
In view of this, it is special to propose this utility model.
Utility model content
This utility model is intended at least to solve to a certain extent one of technical problem in correlation technique.
A kind of 3D printing device of active refrigeration is provided for this this utility model, is printout radiating, while passing through PID
Cooling gas temperature is precisely controlled, so as to realize the consumptive material to different shrinkage characteristicss with the adaptation of different temperatures.Thereby
Improve print quality and speed.
Its concrete technical scheme is as follows：A kind of 3D printing device of active refrigeration, including：Housing, is provided with the housing
Air channel, the top of the housing are provided with air inlet and thermovent, and the bottom of the housing is provided with air outlet and condensation water collection storehouse,
The air outlet leaves mounting distance with the printing nozzle of printer；Air-supply arrangement, which is arranged on the air inlet, described to send
Wind apparatus are connected with the air channel；Heat abstractor, which is arranged at the thermovent, and the heat abstractor is included from inside to outside
Cool transfer sheet, refrigerating chip, fin and the air exhausting device for setting gradually；Control device, which is included installed in the air outlet
Temperature sensor and master control borad, the master control borad and the temperature sensor and refrigerating chip control are connected.
The 3D printing device of the active refrigeration provided according to this utility model, is provided with air channel in housing, housing upper is provided with
Air inlet and thermovent, the bottom of housing are provided with air outlet and condensation water collection storehouse, when printer printout adstante febre, temperature
Degree sensor transmits temperature information into master control borad, and master control borad will drive refrigerating chip to be freezed, the air intake of air inlet
Device drives hot-air to flow in air channel, and through refrigerating chip refrigeration, heat abstractor radiating, and condensed water is led to
Cross condensation water collection storehouse to be collected, this utility model realizes refrigerating chip and actively lowers the temperature, temperature is capable of achieving PID regulation and control, and
And condensation water collection storehouse is carried, and it is a kind of efficiency high, low cost, the 3D printing device with active cooling function of high precision.
In addition, the 3D printing device of the active refrigeration according to this utility model above-described embodiment, can also have following attached
Plus technical characteristic：
According to an example of the present utility model, the air channel includes air intake area, refrigeration area, radiating area, wind outlet area and cold
Condensed water collection area, the passage in the air intake area are at an angle with the passage of the refrigeration area, the passage in the air intake area with it is described
The passage of wind outlet area is vertical.
According to an example of the present utility model, the passage in the air intake area is angled with the passage of refrigeration area institute to be
45°。
According to an example of the present utility model, between the refrigerating chip and the fin, thermal insulation layer is provided with.
Aluminum is according to the material of an example of the present utility model, the cool transfer sheet and fin.
According to an example of the present utility model, the refrigerating chip is semiconductor refrigeration chip.
According to an example of the present utility model, in the condensation water collection storehouse, absorbent material is provided with.
According to an example of the present utility model, the air-supply arrangement and air exhausting device are fan.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly will be from explained below
In become obvious, or by it is of the present utility model practice recognize.
Description of the drawings
Print head structure schematic diagrams (one) of the Fig. 1 for the 3D printing device of the active refrigeration of this utility model embodiment；
Explosive views of the Fig. 2 for the printhead of the 3D printing device of the active refrigeration of this utility model embodiment；
Print head structure schematic diagrams (two) of the Fig. 3 for the 3D printing device of the active refrigeration of this utility model embodiment；
Structural representations of the Fig. 4 for the 3D printing device of the active refrigeration of the present embodiment；
PID temperature control schematic diagrams of the Fig. 5 for the 3D printing device of the active refrigeration of the present embodiment；
Schematic diagrams of the Fig. 6 for the air channel interior zone of the 3D printing device of the active refrigeration of the present embodiment.
In figure：100th, housing；110th, air inlet；120th, thermovent；130th, air outlet；140th, condensation water collection storehouse；200、
Air-supply arrangement；300th, heat abstractor；310th, cool transfer sheet；320th, refrigerating chip；330th, fin；340th, air exhausting device；350th, every
Thermosphere；400th, air intake area；500th, refrigeration area；600th, radiating area；700th, wind outlet area；800th, condensation water collection area；900th, print spray
Mouth.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element or the element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining this utility model, and it is not intended that to this utility model
Restriction.
With reference to shown in accompanying drawing 1-6, the utility model discloses a kind of 3D printing device of active refrigeration, such as Fig. 1 and 2 institutes
Show, the printhead of printing equipment includes housing 100, air channel is provided with housing, and the top of housing 100 is provided with air inlet 110 and dissipates
Hot mouth 120, the bottom of housing 100 are provided with air outlet 130 and condensation water collection storehouse 140.Preferably, as shown in figure 4, air outlet
130 leave mounting distance with the printing nozzle 900 of printer, it is to avoid the unfavorable shadow that cold air is directly blown onto printhead and brings
Ring.The 3D printing device of active refrigeration also includes air-supply arrangement 200, and which is arranged at air inlet 110, air-supply arrangement 200 and wind
Road is connected.The 3D printing device of active refrigeration also includes heat abstractor 300, and which is arranged at thermovent 120, heat abstractor
300 include the cool transfer sheet 310, refrigerating chip 320, fin 330 and the air exhausting device 340 that set gradually from inside to outside.For reality
The active refrigeration function of existing this utility model 3D printing device, the 3D printing device of this utility model active refrigeration also include control
Device (not shown), which includes temperature sensor and the master control borad installed in air outlet, master control borad and temperature sensor and system
Cold chip controls connection.
Specifically exist, in the present embodiment, air-supply arrangement 200 and air exhausting device 340 are fan, and certainly, other have the work(
The device of energy can also be used as air-supply arrangement of the present utility model 200 and air exhausting device 340.
Specifically, in the present embodiment, refrigerating chip 320 is semiconductor refrigeration chip, and the semiconductor refrigeration chip has
One cold end and a hot junction, which utilizes the Peltier effects of semi-conducting material, when unidirectional current is by two kinds of different semi-conducting material strings
During the galvanic couple being unified into, heat can be absorbed respectively at the two ends of galvanic couple and release heat, it is possible to achieve the purpose of refrigeration.It is one
The Refrigeration Technique for producing negative thermal resistance is planted, movement-less part is characterized in, Reliability comparotive is high.
Specifically, in the present embodiment, as shown in figure 3, air channel include air intake area 400, refrigeration area 500, radiating area 600,
Wind outlet area 700 and condensation water collection area, it is preferred that the passage in air intake area 400 is at an angle with the passage of refrigeration area 500, air intake
The passage in area is vertical with the passage of wind outlet area, more has choosing, and it is 45 ° that the passage in air intake area is angled with the passage of refrigeration area institute.
Applicant is had found in experimentation, when the passage in air intake area 400 and the passage of refrigeration area 500 at an angle, stream of hot air
A bit of time can be stopped with the corner of refrigeration area 500 in air intake area 400 when dynamic, so be more beneficial for semiconductor refrigeration chip
Refrigeration process is carried out to air, applicant is by substantial amounts of it is demonstrated experimentally that when the passage in air intake area with the passage of refrigeration area is in
When angle is 45 °, refrigeration is optimal.
Specifically, as shown in figure 4, in the present embodiment, in order to ensure the seamless connection between refrigerating chip and fin
And heat insulation effect, thermal insulation layer 350, the material of thermal insulation layer 350 are provided between the refrigerating chip 320 and fin 330 of the present embodiment
Matter is heat insulation foam.
Specifically, in the present embodiment, the material of cool transfer sheet 310 and fin 330 can be aluminum or aluminium alloy, and aluminum is most
Not only cost is relatively low for its material, be easily achieved, and heat transfer effect is preferable.
Specifically, in the present embodiment, as shown in figure 5, this device is provided with a condensation water collection storehouse in air channel bottom
140, the condensation trouble brought with solving to freeze.Absorbent material is provided with condensation water collection storehouse, condensation water collection has in storehouse
It is equipped with absorbent material (such as：Desiccant, high water absorption sponge etc.) because of air channel wind path vertically downward first, then laterally send again.So
As condensed water is due to own wt, can sink and be absorbed by absorbent material, it is ensured that send the drying of cold wind.
This device ultimate principle is：Air-flow is sent into air channel by high speed Air Blast fan, has aluminum cool transfer sheet in air channel.Cool transfer sheet
Effect be that (TEC1 is serial, in 26 degree or so room temperatures, chip surface temperature can be down to zero at short notice by refrigerating chip
Under) temperature conduction to air channel.By the air of cool transfer sheet in air channel, uniformly sent by going out round screw thread air outlet after being lowered the temperature
To printhead periphery (printhead is placed in air outlet central authorities, and cold wind will not blow-through printhead), provides for printout and drop rapidly
Temperature.Meanwhile, there is NTC100 glass critesistor to be sealed as temperature sensor in air outlet, temperature information is returned into master control borad, so as to
PID temperature control is carried out to refrigerating chip in master control borad, so as to reach more accurately temperature output.PID control such as Fig. 6 institutes
Show.
In sum, the 3D printing device of the active refrigeration for being provided according to this utility model, is provided with air channel, housing in housing
Top is provided with air inlet and thermovent, and the bottom of housing is provided with air outlet and condensation water collection storehouse, when printer printout
Adstante febre, temperature sensor transmit temperature information into master control borad, and master control borad will drive refrigerating chip to be freezed, air inlet
The air-intake device at place drives hot-air to flow in air channel, and through refrigerating chip refrigeration, heat abstractor radiating, and will condensation
Water afterwards is collected by condensation water collection storehouse, and this utility model realizes refrigerating chip and actively lowers the temperature, and temperature is capable of achieving PID
Regulation and control, and condensation water collection storehouse is carried, it is a kind of efficiency high, low cost, the 3D with active cooling function of high precision are beaten
Printing equipment is put.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " is based on orientation shown in the drawings
Or position relationship, be for only for ease of description this utility model and simplify description, rather than indicate or imply indication device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or more, remove
It is non-separately to have clearly specific restriction.
In this utility model, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, it is for example, it may be fixedly connected, or be detachably connected or integral；Can be
It is mechanically connected, or electrically connects；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in this utility model.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
Example ", or the description of " some examples " etc. mean specific features with reference to the embodiment or example description, structure, material or spy
Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term
State.And, the specific features of description, structure, material or feature can be with
Combined in any one or more embodiments or example in an appropriate manner.Additionally, in the case of not conflicting, this area
Technical staff the feature of the different embodiments or example described in this specification and different embodiment or example can be entered
Row is combined and is combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to restriction of the present utility model, one of ordinary skill in the art is in scope of the present utility model
It is interior above-described embodiment to be changed, be changed, being replaced and modification.
Claims (8)
1. the 3D printing device of a kind of active refrigeration, it is characterised in that include：
Housing, is provided with air channel in the housing, the top of the housing is provided with air inlet and thermovent, and the bottom of the housing sets
There are air outlet and condensation water collection storehouse, the air outlet leaves mounting distance with the printing nozzle of printer；
Air-supply arrangement, which is arranged on the air inlet, and the air-supply arrangement is connected with the air channel；
Heat abstractor, which is arranged at the thermovent, and the heat abstractor includes cool transfer sheet, the system for setting gradually from inside to outside
Cold core piece, fin and air exhausting device；
Control device, which includes temperature sensor and the master control borad installed in the air outlet, the master control borad and the temperature
Degree sensor and refrigerating chip control connection.
2. the 3D printing device of active refrigeration according to claim 1, it is characterised in that the air channel include air intake area,
Refrigeration area, radiating area, wind outlet area and condensation water collection area, the passage in the air intake area are in one jiao with the passage of the refrigeration area
Degree, the passage in the air intake area are vertical with the passage of the wind outlet area.
3. the 3D printing device of active refrigeration according to claim 2, it is characterised in that the passage in the air intake area and institute
State refrigeration area passage institute it is angled be 45 °.
4. the 3D printing device of active refrigeration according to claim 1, it is characterised in that the refrigerating chip is dissipated with described
Thermal insulation layer is provided between backing.
5. the 3D printing device of active refrigeration according to claim 1, it is characterised in that the cool transfer sheet and fin
Material is aluminum.
6. the 3D printing device of active refrigeration according to claim 1, it is characterised in that the refrigerating chip is quasiconductor
Refrigerating chip.
7. the 3D printing device of active refrigeration according to claim 1, it is characterised in that have in the condensation water collection storehouse
It is provided with absorbent material.
8. the 3D printing device of the active refrigeration according to any one of claim 1-7, the air-supply arrangement and air exhausting device
For fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620713995.0U CN206124214U (en) | 2016-07-07 | 2016-07-07 | Cryogenic 3D printing device of initiative |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620713995.0U CN206124214U (en) | 2016-07-07 | 2016-07-07 | Cryogenic 3D printing device of initiative |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206124214U true CN206124214U (en) | 2017-04-26 |
Family
ID=58560703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620713995.0U Expired - Fee Related CN206124214U (en) | 2016-07-07 | 2016-07-07 | Cryogenic 3D printing device of initiative |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206124214U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106042384A (en) * | 2016-07-07 | 2016-10-26 | 詹剑晖 | 3D printing device in active cooling |
| CN110884135A (en) * | 2019-10-29 | 2020-03-17 | 江苏时间环三维科技有限公司 | 3D printer feed storehouse |
-
2016
- 2016-07-07 CN CN201620713995.0U patent/CN206124214U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106042384A (en) * | 2016-07-07 | 2016-10-26 | 詹剑晖 | 3D printing device in active cooling |
| CN110884135A (en) * | 2019-10-29 | 2020-03-17 | 江苏时间环三维科技有限公司 | 3D printer feed storehouse |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20190707 |