CN106042384A - 3D printing device in active cooling - Google Patents
3D printing device in active cooling Download PDFInfo
- Publication number
- CN106042384A CN106042384A CN201610532996.XA CN201610532996A CN106042384A CN 106042384 A CN106042384 A CN 106042384A CN 201610532996 A CN201610532996 A CN 201610532996A CN 106042384 A CN106042384 A CN 106042384A
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- Prior art keywords
- air
- printing equipment
- refrigeration
- refrigerating chip
- housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Abstract
The invention provides a 3D printing device in active cooling. The 3D printing device in active cooling comprises a shell, an air feeding device, a cooling device and a control device; an air duct is arranged in the shell; an air inlet and a cooling port are formed in the upper portion of the shell; the bottom of the shell is provided with an air outlet and a condensate water collecting bin; the air feeding device is installed at the position of the air inlet and communicates with the air duct; the cooling device is arranged at the position of the cooling port and comprises cold transmission fins, a refrigerating chip, cooling fins and an air exhaust device which are all sequentially arranged from inside to outside; and the control device comprises a temperature sensor installed at the position of the air outlet and a master control board which is in control connection with the temperature sensor and the refrigerating chip. The 3D printing device in active cooling achieves the active cooling of the refrigerating chip, the temperature can achieve PID adjusting control, the 3D printing device is provided with the condensate water collecting bin, and the 3D printing device is high in efficiency, low in cost and high in precision and has an active cooling function.
Description
Technical field
The present invention relates to the technical field of heat dissipation of 3D printer, be specifically related to the 3D printing equipment of a kind of active refrigeration.
Background technology
The ultimate principle of FDM 3D printer is extruded after being heated by printhead by consumptive material exactly, by computer program instructions
Pile up layer by layer.And be heated the consumptive material after extrusion and need to cool down fast and effectively, so could preferably ensure printing matter
Amount, the therefore refrigeration of printout, have a strong impact on the print quality of FMD printer.Current 3D printer, when increasing material and manufacturing,
After heating hot melt material or laser sintered material, general tree material installs chiller additional, or the most equal to the refrigeration of printout
Use direct air-cooled pattern, i.e. use fan directly printout to be dispelled the heat.This mode, one is that radiating efficiency is low；Two
Be influenced by ambient temperature greatly, 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 owing in 3D printer box body, heat own is higher, and especially FDM increases material mode type, leads
The target item causing to print to cool down in a long time, makes target item before cooling the most completely, it is easy to because of high temperature material
The fluid behaviour of material is deformed and dimensional discrepancy, and causes the accurate-size not reaching setting of target item.
In view of this, the special proposition present invention.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.
The invention provides the 3D printing equipment of a kind of active refrigeration for this, dispel the heat for printout, simultaneously by PID to cold
But gas temperature is precisely controlled, thus realizes the adaptation with different temperatures of the consumptive material to different shrinkage characteristicss.Thereby improve
Print quality and speed.
Its concrete technical scheme is as follows: the 3D printing equipment of a kind of active refrigeration, including: housing, it is provided with in described housing
Air channel, described housing upper is provided with air inlet and thermovent, and described housing bottom is provided with air outlet and condensation water collection storehouse, described
Air outlet leaves mounting distance with the printing nozzle of printer；Air-supply arrangement, it is arranged on described air inlet, described air-supply dress
Put and be connected with described air channel；Heat abstractor, it is arranged at described thermovent, and described heat abstractor includes the most successively
Cool transfer sheet, refrigerating chip, fin and the air exhausting device arranged；Controlling device, it includes being arranged on the temperature at described air outlet
Degree sensor and master control borad, described master control borad controls to be connected with described temperature sensor and described refrigerating chip.
An example according to the present invention, described air channel includes air intake district, refrigeration area, radiating area, wind outlet area and condensed water
Collecting region, the passage in described air intake district is at an angle with the passage of described refrigeration area, the passage in described air intake district and described air-out
The passage in district is vertical.
An example according to the present invention, the passage in described air intake district is angled with the passage of described refrigeration area institute is 45 °.
An example according to the present invention, is provided with thermal insulation layer between described refrigerating chip and described fin.
An example according to the present invention, the material of described cool transfer sheet and fin is aluminum.
An example according to the present invention, described refrigerating chip is semiconductor refrigeration chip.
An example according to the present invention, is provided with absorbent material in described condensation water collection storehouse.
An example according to the present invention, described air-supply arrangement and air exhausting device are fan.
An example according to the present invention, the sidewall of described housing is provided with multiple drainage trough, the end of described drainage trough
End leads to described condensation water collection storehouse.
According to the 3D printing equipment of the active refrigeration that the present invention provides, being provided with air channel in housing, housing upper is provided with air intake
Mouth and thermovent, the bottom of housing is provided with air outlet and condensation water collection storehouse, and when printer printout adstante febre, temperature passes
Sensor is by temperature information transmission to master control borad, and driving refrigerating chip is freezed by master control borad, the air-intake device of air inlet
Hot-air is driven to flow in air channel, and through refrigerating chip refrigeration, heat abstractor heat radiation, and by condensed water by cold
Condensed water collection storehouse is collected, and present invention achieves refrigerating chip actively cooling, and temperature can realize PID regulation and control, and carry cold
Condensed water collection storehouse, is that a kind of efficiency is high, and low cost, what precision was high has the 3D printing equipment of active cooling function.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the print head structure schematic diagram () of the 3D printing equipment of the active refrigeration of the embodiment of the present invention；
Fig. 2 is the explosive view of the printhead of the 3D printing equipment of the active refrigeration of the embodiment of the present invention；
Fig. 3 is the print head structure schematic diagram (two) of the 3D printing equipment of the active refrigeration of the embodiment of the present invention；
Fig. 4 is the structural representation of the 3D printing equipment of the active refrigeration of the present embodiment；
Fig. 5 is that the PID temperature of the 3D printing equipment of the active refrigeration of the present embodiment controls schematic diagram；
Fig. 6 is the schematic diagram of the air channel interior zone of the 3D printing equipment of the active refrigeration of the present embodiment.
In figure: 100, housing；110, air inlet；120, thermovent；130, air outlet；140, condensation water collection storehouse；200、
Air-supply arrangement；300, heat abstractor；310, cool transfer sheet；320, refrigerating chip；330, fin；340, air exhausting device；350, every
Thermosphere；400, air intake district；500, refrigeration area；600, radiating area；700, wind outlet area；800, condensation water collection district；900, spray is printed
Mouth.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Shown in accompanying drawing 1-6, the invention discloses the 3D printing equipment of a kind of active refrigeration, as illustrated in fig. 1 and 2, beat
The printhead that printing equipment is put includes housing 100, is provided with air channel in housing, and the top of housing 100 is provided with air inlet 110 and thermovent
120, the bottom of housing 100 is provided with air outlet 130 and condensation water collection storehouse 140.Preferably, as shown in Figure 4, air outlet 130 with
The printing nozzle 900 of printer leaves mounting distance, it is to avoid the adverse effect that cold air is directly blown onto printhead and brings.Actively
The 3D printing equipment of refrigeration also includes air-supply arrangement 200, and it is arranged at air inlet 110, and air-supply arrangement 200 is connected with air channel
Logical.The 3D printing equipment of active refrigeration also includes heat abstractor 300, and it is arranged at thermovent 120, and heat abstractor 300 includes
Cool transfer sheet 310, refrigerating chip 320, fin 330 and the air exhausting device 340 set gradually from inside to outside.In order to realize the present invention
The active refrigeration function of 3D printing equipment, the 3D printing equipment of active refrigeration of the present invention also includes controlling device (not shown), its
Including the temperature sensor being arranged at air outlet and master control borad, master control borad controls to be connected with temperature sensor and refrigerating chip.
Concrete, in the present embodiment, air-supply arrangement 200 and air exhausting device 340 are fan, and certainly, other have this merit
The device of energy can also be as the air-supply arrangement 200 of the present invention and air exhausting device 340.
Concrete, in the present embodiment, refrigerating chip 320 is semiconductor refrigeration chip, and this semiconductor refrigeration chip has
One cold end and a hot junction, it utilizes the Peltier effect 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 at the two ends of galvanic couple respectively and release heat, it is possible to achieve the purpose of refrigeration.It is one
Planting the Refrigeration Technique producing negative thermal resistance, be characterized in movement-less part, Reliability comparotive is high.
Concrete, in the present embodiment, as it is shown on figure 3, air channel include air intake district 400, refrigeration area 500, radiating area 600,
Wind outlet area 700 and condensation water collection district, it is preferred that the passage in air intake district 400 is at an angle with the passage of refrigeration area 500, air intake
The passage in district is vertical with the passage of wind outlet area, more has choosing, and the passage in air intake district is angled with the passage of refrigeration area institute is 45 °.
Applicant finds in experimentation, when the passage in air intake district 400 and the passage of refrigeration area 500 are at an angle, and hot-air stream
The a bit of time can be stopped in the corner in air intake district 400 with refrigeration area 500 time dynamic, so be more beneficial for semiconductor refrigeration chip
Air is carried out refrigeration process, applicant by substantial amounts of it is demonstrated experimentally that when air intake district passage and refrigeration area passage institute in
When angle is 45 °, refrigeration is optimal.
Concrete, as shown in Figure 4, in the present embodiment, in order to ensure the seamless link between refrigerating chip and fin
And heat insulation effect, it is provided with thermal insulation layer 350, the material of thermal insulation layer 350 between refrigerating chip 320 and the fin 330 of the present embodiment
Matter is heat insulation foam.
Concrete, in the present embodiment, the material of cool transfer sheet 310 and fin 330 can be aluminum or aluminium alloy, and aluminum is
Relatively low for its material not only cost, be easily achieved, and heat transfer effect is preferable.
Concrete, in the present embodiment, as it is shown in figure 5, this device is provided with a condensation water collection storehouse bottom air channel
140, to solve the condensation trouble that refrigeration is brought.Preferably, in order to coordinate the work in condensation water collection storehouse 140, can be at housing
Being provided with multiple drainage trough on the medial wall of 100, the bottom of drainage trough is directly communicated to condensation water collection storehouse 140, facilitates condensed water
Fall rapidly.It is furthermore preferred that be provided with absorbent material in condensation water collection storehouse 140, condensation water collection is equipped with suction in storehouse
Water material (such as: desiccant, high water-absorbing sponge etc.) because of air channel wind path the most vertically downward, is then laterally sent again.So while it is cold
Solidifying water, due to own wt, can sink and absorbed by absorbent material, it is ensured that sends being dried 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 by refrigerating chip (TEC1 series, about 26 degree room temperatures, at short notice chip surface temperature can be down to zero
Under) temperature conduction in air channel.By the air of cool transfer sheet in air channel, uniformly send 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), provide fall rapidly for printout
Temperature.Meanwhile, there is NTC100 glass envelope critesistor in air outlet as temperature sensor, temperature information returned master control borad, in order to
In master control borad, refrigerating chip carried out PID temperature control, thus reach temperature output the most accurately.PID controls such as Fig. 6 institute
Show.
In sum, according to the 3D printing equipment of the active refrigeration that the present invention provides, air channel, housing upper in housing, it are provided with
Being provided with air inlet and thermovent, the bottom of housing is provided with air outlet and condensation water collection storehouse, when printer printout generates heat
Time, temperature sensor is by temperature information transmission to master control borad, and driving refrigerating chip is freezed by master control borad, air inlet
Air-intake device drives hot-air to flow in air channel, and through refrigerating chip refrigeration, heat abstractor heat radiation, and by condensed
Water is collected by condensation water collection storehouse, present invention achieves refrigerating chip actively cooling, and temperature can realize PID regulation and control, and
And carry condensation water collection storehouse, and it is that a kind of efficiency is high, low cost, what precision was high has the 3D printing equipment of active cooling function.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " up time
Pin ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must
Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In describing the invention, " multiple " are meant that two or more, unless separately
There is the most concrete restriction.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be that machinery connects
Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to concrete feelings
Condition understands above-mentioned term concrete meaning in the present invention.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (7)
1. the 3D printing equipment of an active refrigeration, it is characterised in that including:
The housing of 3D printing equipment and the temperature control equipment being positioned at housing.
The 3D printing equipment of a kind of active refrigeration the most according to claim 1, it is characterised in that:
Being provided with air channel in described housing, described air channel includes air intake district, refrigeration area, radiating area, wind outlet area and condensation water collection district,
The passage in described air intake district and the passage of described refrigeration area are 45° angle, the passage in described air intake district and the passage of described wind outlet area
Vertically；Described housing upper is provided with air inlet and thermovent, and described housing bottom is provided with air outlet and condensation water collection storehouse, described
Air outlet leaves mounting distance with the printing nozzle of printer, is provided with absorbent material in described condensation water collection storehouse；
Air inlet is also equipped with air-supply arrangement, and described air-supply arrangement is connected with described air channel；
Being also equipped with heat abstractor at thermovent, described heat abstractor includes cool transfer sheet, the cold core set gradually from inside to outside
Sheet, fin and air exhausting device, be provided with thermal insulation layer between described refrigerating chip and described fin；
Described temperature control equipment includes being arranged on the temperature sensor at described air outlet and master control borad, described master control borad and institute
State temperature sensor and described refrigerating chip controls to connect.
The 3D printing equipment of active refrigeration the most according to claim 2, it is characterised in that described cool transfer sheet and fin
Material is aluminum.
The 3D printing equipment of active refrigeration the most according to claim 2, it is characterised in that described refrigerating chip is quasiconductor
Refrigerating chip.
The 3D printing equipment of active refrigeration the most according to claim 2, it is characterised in that described air-supply arrangement and air draft dress
It is set to fan.
The 3D printing equipment of active refrigeration the most according to claim 2, it is characterised in that the material of described thermal insulation layer be every
Heat is cotton.
The 3D printing equipment of active refrigeration the most according to claim 2, it is characterised in that arrange on the sidewall of described housing
Multiple drainage trough, the bottom of described drainage trough is had to lead to described condensation water collection storehouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610532996.XA CN106042384A (en) | 2016-07-07 | 2016-07-07 | 3D printing device in active cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610532996.XA CN106042384A (en) | 2016-07-07 | 2016-07-07 | 3D printing device in active cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106042384A true CN106042384A (en) | 2016-10-26 |
Family
ID=57185652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610532996.XA Pending CN106042384A (en) | 2016-07-07 | 2016-07-07 | 3D printing device in active cooling |
Country Status (1)
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| CN (1) | CN106042384A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505959A (en) * | 2017-09-14 | 2017-12-22 | 广州迈普再生医学科技有限公司 | The temperature and cleanliness factor control system of a kind of 3D printer closing space and biological 3D printer |
| CN108057885A (en) * | 2016-11-09 | 2018-05-22 | 东台精机股份有限公司 | Heat chiller |
| CN113103579A (en) * | 2021-04-15 | 2021-07-13 | 烟台华皓电子科技有限公司 | Be used for 3D print head heat dissipation mechanism |
| CN113670333A (en) * | 2021-08-02 | 2021-11-19 | 苏州光环科技有限公司 | Desktop formula fiber ring proof box |
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| CN205332478U (en) * | 2016-01-08 | 2016-06-22 | 南京佳力图机房环境技术股份有限公司 | Mobile improved generation computer lab air conditioner of air |
| CN206124214U (en) * | 2016-07-07 | 2017-04-26 | 詹剑晖 | Cryogenic 3D printing device of initiative |
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| JPS576731A (en) * | 1980-06-13 | 1982-01-13 | Sekisui Plastics Co Ltd | Method of controlling amount of cooling water according to tempeature of cooling water during foam molding |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108057885A (en) * | 2016-11-09 | 2018-05-22 | 东台精机股份有限公司 | Heat chiller |
| CN108057885B (en) * | 2016-11-09 | 2019-08-20 | 东台精机股份有限公司 | Heat chiller |
| CN107505959A (en) * | 2017-09-14 | 2017-12-22 | 广州迈普再生医学科技有限公司 | The temperature and cleanliness factor control system of a kind of 3D printer closing space and biological 3D printer |
| CN113103579A (en) * | 2021-04-15 | 2021-07-13 | 烟台华皓电子科技有限公司 | Be used for 3D print head heat dissipation mechanism |
| CN113103579B (en) * | 2021-04-15 | 2022-12-16 | 容大合众(厦门)科技集团股份公司 | Be used for 3D print head heat dissipation mechanism |
| CN113670333A (en) * | 2021-08-02 | 2021-11-19 | 苏州光环科技有限公司 | Desktop formula fiber ring proof box |
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Application publication date: 20161026 |