CN108312520A - The intermittent pulse cooling system of 3D printer - Google Patents
The intermittent pulse cooling system of 3D printer Download PDFInfo
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- CN108312520A CN108312520A CN201810237793.7A CN201810237793A CN108312520A CN 108312520 A CN108312520 A CN 108312520A CN 201810237793 A CN201810237793 A CN 201810237793A CN 108312520 A CN108312520 A CN 108312520A
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- Prior art keywords
- gas
- tracheae
- adjusting block
- gas nozzle
- flow
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
Abstract
The present invention relates to a kind of intermittent pulse cooling systems of 3D printer, the air pump composition of cooling air-flow is provided including gas nozzle and for the air inlet of gas nozzle, the gas nozzle is fixed on the print head side of 3D printer and the discharge port periphery of print head is provided with gas outlet, and between the air pump and gas nozzle or gas nozzle is provided with that the cooling air-flow interval of air pump is made to flow out the intermittent gas supply device of gas outlet.Using the above scheme, the present invention provides a kind of intermittent pulse cooling system by adjusting the 3D printer of the outlet frequency of cooling air-flow, provides gap, the cooling air-flow of rule avoids the problem that causing model deformation since heat dissipation is too fast to alleviate rate of heat dispation.
Description
Technical field
The present invention relates to a kind of 3D printers, and in particular to a kind of intermittent pulse cooling system of 3D printer.
Background technology
It is needed to printed material after extrusion equipment needs to squeeze out printed material according to printing in 3D printing technique field
It is cooled down, so that it is fixed shape, meet printing demand.In order to ensure precision and stability, 3D printer be furnished with to model into
The device of row heat dissipation.Technical staff is by the improvement to radiator, to realize heat dissipation quick to model, uniform, efficient.
In order to be improved to existing heat dissipation technology, people have carried out long-term exploration, it is proposed that various solutions
Certainly scheme.For example, the Chinese invention patent of Patent No. 201420170695.3 discloses a kind of fan-free cooling of 3D printer
Device and 3D printer coordinate tubulose air outlet by air pump, to effectively avoid squeezing out nozzle caused by being rotated due to fan
Vibration problems improve the Forming Quality of printed material；The Chinese invention patent of Patent No. 201710567806.2 discloses one
Kind 3D printer cooling device, the wind scooper for passing through trumpet type improve cooling sharp aggregate capabilities and guidance quality, improve cooling
Efficiency, and filter device is added, solve the problems, such as impurity adhesive model；The Chinese invention of Patent No. 201710326042.8 is special
Profit discloses 360 ° omni-directional cooling device in a kind of 3D printer, is led by what the combination of cloth wind channel and air-guiding aisle was formed
Wind structure ensures that the cooling air-flow that air blower generates can carry out 360 ° of even distributing winds to the spout of printing head, ensures uniform
It is quickly cooled down printed material；The Chinese invention patent of Patent No. 201310258058.1 discloses a kind of applied to 3D printer
Fan-free cooling device and FDM high speed 3D printers, coordinated by air pump and annular tuyere, it is uniform to ensure that material squeezes out, carries
High printing precision.
However, the cooling air-flow in above-mentioned disclosed all patent documents is continuous and direction can not change, this
The cooling air-flow of sample, which easily causes, causes the too fast or inhomogeneous cooling of model cooling even, brings a series of negative effect, such as：①
Warpage easily occurs for the larger printed material bottom surface of shrinking percentage, and printing is caused to fail；2. printing some moulds similar to inverted conical shape
When type, the model of printing can be even subjected to displacement, and destroy print procedure.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of outlet by adjusting cooling air-flow
The intermittent pulse cooling system of the 3D printer of frequency provides gap, the cooling air-flow of rule is kept away to alleviate rate of heat dispation
Exempt from due to too fast the problem of causing model deformation of radiating.
To achieve the above object, the present invention provides following technical solutions：It is provided including gas nozzle and for the air inlet of gas nozzle
The air pump of cooling air-flow forms, which is fixed on the print head side of 3D printer and is set positioned at the discharge port periphery of print head
Be equipped with gas outlet, between the air pump and gas nozzle or gas nozzle is provided with make air pump cooling air-flow interval outflow gas outlet between
It has a rest feeder.
By using above-mentioned technical proposal, intermittent gas supply device is added, changes original printed material type of cooling, provides
A kind of lasting, regular, pulsed cooling air-flow, alleviates rate of heat dispation under the premise of ensureing cooling effect, to reduce because
The cooling too fast printed material bottom surface brought easily occurs warpage and the problem of model is subjected to displacement, and meets the cooling of high-precision printing
It is realized it is required that automatically controlled air pump can be used in intermittent gas supply device.
The present invention is further arranged to：The intermittent gas supply device includes adjusting tracheae, adjusting fan body and gas supply tracheae,
Described gas supply tracheae one end is connected to air source, and the other end is connected to the air inlet of gas nozzle, and the adjusting tracheae is located at gas supply
In the middle part of tracheae, and section is more than the section of gas supply tracheae, and the adjusting fan body includes several fans of circumferentially array arrangement
Leaf, the adjusting fan body are rotatably dispose in adjusting tracheal strips, and the flabellum is under the driving for the cooling air-flow that air pump provides
Rotation, flabellum interval blocking gas supply tracheae and the connectivity part for adjusting tracheae, form the cooling that gas supply tracheae is supplied to gas nozzle interval
Air-flow.
By using above-mentioned technical proposal, cooling air-flow drive adjust the rotation of fan body relative adjustment tracheae when, can interval
Connectivity part blocking gas supply tracheae and adjust tracheae cuts off steam line, realize lasting, regular, pulsed cooling air-flow,
And rationally using cooling air-flow as power source, avoids increasing the driving source that driving adjusts flabellum, make complicatedization.
The present invention is further arranged to：Each flabellum periphery is provided with mounting bracket annular in shape, the mounting bracket
Periphery is rotating with tracheae inner circumferential is adjusted.
By using above-mentioned technical proposal, is realized while fixing each flabellum by mounting bracket and adjust fan body and adjust tracheae
Be rotatably assorted, it is simple in structure, active force of the cooling air-flow to flabellum will not be hindered.
The invention also discloses another intermittent gas supply device embodiment there is provided following technical solutions：Described
Gas nozzle includes the ring body for being fixed on print head periphery, and the gas outlet quantity is several and is in circular hole, and edge is beaten
Head is printed circumferentially in equidistant arrangement, and the intermittent gas supply device includes adjustable track and several adjusting blocks, the buffer rail
Road is the circular orbit that gas nozzle is set to along gas outlet arragement direction, and each adjusting block slides along adjustable track, and in place
Set with gas outlet position to it is corresponding when gas outlet outlet, being provided between each adjusting block makes each adjusting block synchronization-sliding
STATEMENT OF FEDERALLY SPONSORED, the adjusting block towards gas outlet be provided with by gas outlet cooling air-flow impact when along adjustable track slide
The driving inclined-plane of shifting.
By using above-mentioned technical proposal, under the action of cooling air-flow, driving inclined-plane is pushed, makes adjusting block along buffer rail
Road moves, and rationally using cooling air-flow as power source, in moving process, interval stops gas outlet, realizes intermittent gas supply
Function adds STATEMENT OF FEDERALLY SPONSORED between adjusting block, makes each adjusting block synchronization-sliding, ensures the accuracy of gap gas supply.
The present invention is further arranged to：The quantity of the adjusting block is the half of gas outlet quantity, and simultaneously between blocking
Every the gas outlet of arrangement.
By using above-mentioned technical proposal, increase the mode of outlet, single stops half gas outlet, to meet different add
Work demand.
The present invention is further arranged to：The gas nozzle is additionally provided with servomechanism, the servomechanism include motor and by
The power-assisted wheel of motor-driven rotation, the peripheral surface of the adjusting block opposed print heads circumferential direction is as power-assisted face, the power-assisted
Wheel fits with the power-assisted face of one of adjusting block, pushes adjusting block along adjustable track sliding, and the nozzle is provided with pair
The tachogenerator that one of adjusting block tests the speed.
By using above-mentioned technical proposal, servomechanism is added, the movement speed of adjusting block is enable quickly to improve to institute
Need speed, and keep stablizing it is mobile after speed calibrated, and after power-assisted stop, ensureing intermittent gas supply device
Implementation stablize, be monitored by the real-time speed of tachogenerator, further increase adjustment accuracy.
The present invention is further arranged to：The STATEMENT OF FEDERALLY SPONSORED is to be arranged along adjustable track between being fixed on adjacent adjusting block
Curved rod.
Adjacent adjusting block is linked using curved rod by using above-mentioned technical proposal, is synchronized convenient for each adjusting block
Rotation, and be easy to be adjusted according to adjusting block.
The invention will be further described with reference to the accompanying drawings and detailed description.
Description of the drawings
Fig. 1 is the stereogram of the specific embodiment of the invention one；
Fig. 2 is the explosive view of the specific embodiment of the invention one；
Fig. 3 is the structural schematic diagram of interval feeder in the specific embodiment of the invention one；
Fig. 4 is the stereogram that fan body is adjusted in the specific embodiment of the invention one；
Fig. 5 is the stereogram of the specific embodiment of the invention two.
Specific implementation mode
As shown in Fig. 1-Fig. 4, the invention discloses a kind of intermittent pulse cooling system of 3D printer, including gas nozzle 1 and
The composition of air pump 2 of cooling air-flow is provided for the air inlet of gas nozzle 1, which is fixed on the print head side of 3D printer and position
The discharge port periphery of print head is provided with gas outlet 11, between air pump 2 and gas nozzle 1 or gas nozzle 1 is provided with the cooling for making air pump 2
Air-flow interval flows out the intermittent gas supply device of gas outlet 11, adds intermittent gas supply device, changes original printed material cooling side
Formula provides a kind of lasting, regular, pulsed cooling air-flow, alleviates rate of heat dispation under the premise of ensureing cooling effect, to
The printed material bottom surface brought because cooling is too fast is reduced easily to occur warpage and the problem of model is subjected to displacement, meet high-precision printing
It is cooling require, intermittent gas supply device can be used the realization of automatically controlled air pump 2, and A is the installation site of print head in figure, and gas nozzle 1 is by gas
Mouth upper layer 12 and gas nozzle lower layer 13 are fixed, and are provided between gas nozzle upper layer 12 and gas nozzle lower layer 13 and are flow to respectively for cooling air-flow
The communicating passage 14 of gas outlet 11.
Intermittent gas supply device includes adjusting tracheae 31, adjusting fan body 4 and gas supply tracheae 3, supplies 3 one end of tracheae and connects with air source
Logical, the other end is connected to the air inlet of gas nozzle 1, is adjusted tracheae 31 and is located at 3 middle part of gas supply tracheae, and section is more than gas supply tracheae 3
Section, adjust several flabellums 41 that fan body 4 includes circumferentially array arrangement, adjust fan body 4 and be rotatably dispose in adjusting tracheae
In 31, cooling air-flow that flabellum 41 is provided in air pump 2 is rotated by, and flabellum 41 intermittently stops gas supply tracheae 3 and adjusts gas
The connectivity part of pipe 31 forms the cooling air-flow that gas supply tracheae 3 is intermittently supplied to gas nozzle 1, and cooling air-flow, which drives, adjusts fan body 4 relatively
When adjusting the rotation of tracheae 31, it intermittently can stop gas supply tracheae 3 and adjust the connectivity part of tracheae 31, that is, cut off steam line, realization
Lasting, regular, pulsed cooling air-flow, and rationally using cooling air-flow as power source, avoid increasing driving adjusting flabellum
41 driving source, makes complicatedization.
41 central axes of flabellum and the central axes of gas supply tracheae 3 are staggeredly located, and 41 periphery of each flabellum is provided with peace annular in shape
Holder 42 is filled, which is rotating with 31 inner circumferential of tracheae is adjusted, and each flabellum 41 is fixed by mounting bracket 42
While realize that adjust fan body 4 is rotatably assorted with adjusting tracheae 31, it is simple in structure, will not hinder the cooling air-flow to flabellum 41
Active force, for increase rotational stability, 42 periphery of mounting bracket with adjust 31 inner circumferential of tracheae add rolling bearing 43.
As shown in figure 5, the invention also discloses another intermittent gas supply device embodiment there is provided following technical sides
Case：Gas nozzle 1 includes the ring body for being fixed on print head periphery, and 11 quantity of gas outlet is several and is in circular hole, and edge is beaten
Head circumferential direction is printed in equidistant arrangement, and intermittent gas supply device includes adjustable track 5 and several adjusting blocks 51, and adjustable track 5 is that edge goes out
11 arragement direction of gas port is set to the circular orbit of gas nozzle 1, and each adjusting block 51 slides along adjustable track 5, and in position and outlet
Mouthful 11 positions to it is corresponding when gas outlet 11 outlet, be provided with the linkage for making 51 synchronization-sliding of each adjusting block between each adjusting block 51
Part 52, adjusting block 51 are provided with towards gas outlet 11 and are slid along adjustable track 5 in the cooling air-flow impact by gas outlet 11
Driving inclined-plane 511, under the action of cooling air-flow, push driving inclined-plane 511, so that adjusting block 51 is moved along adjustable track 5, close
Reason is using cooling air-flow as power source, and in moving process, interval stops gas outlet 11, realizes the function of intermittent gas supply,
STATEMENT OF FEDERALLY SPONSORED 52 is added between adjusting block 51, makes 51 synchronization-sliding of each adjusting block, ensures the accuracy of gap gas supply.
The quantity of adjusting block 51 is the half of 11 quantity of gas outlet, and stops the gas outlet 11 being intervally arranged simultaneously, increases
The mode of outlet, single stops half gas outlet 11, and to meet different process requirements, the dotted line in attached drawing is hindered for indicating
The gas outlet 11 of gear, 11 specification of gas outlet in attached drawing is not practical specification, is used only as illustrating, actual processing is adjusted on demand
It is whole.
Gas nozzle 1 is additionally provided with servomechanism, which includes motor 6 and drive the power-assisted wheel 61 of rotation by motor 6,
The peripheral surface of adjusting block 51 opposed print heads circumferential direction is as power-assisted face 53, the power-assisted face of power-assisted wheel 61 and one of adjusting block 51
53 fit, and adjusting block 51 is pushed to be slid along adjustable track 5, and nozzle is provided with the survey tested the speed to one of adjusting block 51
Fast sensor 7, adds servomechanism, and the movement speed of adjusting block 51 is enable quickly to improve to required speed, and is keeping steady
Speed is calibrated after fixed mobile, and after power-assisted stop, ensureing that the implementation of intermittent gas supply device is stablized, by testing the speed
7 real-time speed of sensor is monitored, and further increases adjustment accuracy.
STATEMENT OF FEDERALLY SPONSORED 52 is the curved rod being arranged along adjustable track 5 between being fixed on adjacent adjusting block 51, will using curved rod
Adjacent adjusting block 51 links, and is rotated synchronously convenient for each adjusting block 51, and be easy to be adjusted according to adjusting block 51.
In addition, the invention also discloses the embodiments of the third intermittent gas supply device, i.e., between being used as by electric control solenoid valve
It has a rest feeder, the circulation of cooling air-flow is controlled, outlet interval is by automatically controlled realization, to ensure printed material
Molding effect.
Claims (7)
1. a kind of intermittent pulse cooling system of 3D printer, including gas nozzle and the gas for providing cooling air-flow for the air inlet of gas nozzle
Pump group is fixed on the print head side of 3D printer at, the gas nozzle and the discharge port periphery of print head is provided with gas outlet,
It is characterized in that：Between the air pump and gas nozzle or gas nozzle is provided with make air pump cooling air-flow interval outflow gas outlet between
It has a rest feeder.
2. the intermittent pulse cooling system of 3D printer according to claim 1, it is characterised in that：The intermittent gas supply
Device includes adjusting tracheae, adjusting fan body and supply tracheae, and described gas supply tracheae one end is connected to air source, the other end and gas nozzle
Air inlet connection, the adjusting tracheae be located at gas supply tracheae in the middle part of, and section be more than gas supply tracheae section, the tune
Section fan body includes several flabellums of circumferentially array arrangement, and the adjusting fan body is rotatably dispose in adjusting tracheal strips, described
The flabellum cooling air-flow that provides in air pump be rotated by, flabellum interval blocking gas supply tracheae and the connection that adjusts tracheae
Place forms cooling air-flow of the gas supply tracheae to gas nozzle interval supply.
3. the intermittent pulse cooling system of 3D printer according to claim 2, it is characterised in that：Outside each flabellum
It is provided with mounting bracket annular in shape week, which is rotating with tracheae inner circumferential is adjusted.
4. the intermittent pulse cooling system of 3D printer according to claim 1, it is characterised in that：The gas nozzle includes
It is fixed on the ring body of print head periphery, the gas outlet quantity is several and is in circular hole, and along print head circumferential direction
In equidistant arrangement, the intermittent gas supply device includes adjustable track and several adjusting blocks, and the adjustable track is that edge goes out
Gas port arragement direction is set to the circular orbit of gas nozzle, and each adjusting block slides along adjustable track, and in position and outlet
Mouthful position to it is corresponding when gas outlet outlet, be provided with the linkage for making each adjusting block synchronization-sliding between each adjusting block
Part, the adjusting block are provided with towards gas outlet and are driven along what adjustable track slid in the cooling air-flow impact by gas outlet
Dynamic inclined-plane.
5. the intermittent pulse cooling system of 3D printer according to claim 4, it is characterised in that：The adjusting block
Quantity is the half of gas outlet quantity, and stops the gas outlet being intervally arranged simultaneously.
6. the intermittent pulse cooling system of 3D printer according to claim 4, it is characterised in that：The gas nozzle is also set
It is equipped with servomechanism, which includes motor and the power-assisted wheel by motor-driven rotation, and the adjusting block is opposite to be printed
As power-assisted face, the power-assisted face of the power-assisted wheel and one of adjusting block fits the circumferential peripheral surface of head, pushes and adjusts
Block slides along adjustable track, and the nozzle is provided with the tachogenerator to test the speed to one of adjusting block.
7. the intermittent pulse cooling system of 3D printer according to claim 4, it is characterised in that：The STATEMENT OF FEDERALLY SPONSORED is
It is fixed on the curved rod being arranged along adjustable track between adjacent adjusting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810237793.7A CN108312520A (en) | 2018-03-22 | 2018-03-22 | The intermittent pulse cooling system of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810237793.7A CN108312520A (en) | 2018-03-22 | 2018-03-22 | The intermittent pulse cooling system of 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108312520A true CN108312520A (en) | 2018-07-24 |
Family
ID=62899088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810237793.7A Pending CN108312520A (en) | 2018-03-22 | 2018-03-22 | The intermittent pulse cooling system of 3D printer |
Country Status (1)
| Country | Link |
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| CN (1) | CN108312520A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177165A (en) * | 2018-09-28 | 2019-01-11 | 青岛铭晨信息技术有限公司 | A kind of furniture 3D printer increasing and decreasing material Compound Machining |
| CN116727914A (en) * | 2023-08-11 | 2023-09-12 | 苏芯物联技术(南京)有限公司 | Real-time intelligent control method for welding shielding gas under short welding seam scene |
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| CN106696125A (en) * | 2016-12-04 | 2017-05-24 | 重庆市大通茂纺织科技有限公司 | Screening type waste plastic crushing machine |
| CN107044387A (en) * | 2017-06-21 | 2017-08-15 | 深圳市中科智诚科技有限公司 | A kind of wind generator system with cleaning function |
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|---|---|---|---|---|
| CN203381086U (en) * | 2013-06-26 | 2014-01-08 | 磐纹科技（上海）有限公司 | Cooling device applied to FDM (Fused Deposition Modeling) high-speed 3D (Three Dimensional) printer and 3D printer |
| CN203650997U (en) * | 2013-12-16 | 2014-06-18 | 杭州铭展网络科技有限公司 | Discharge cooling device for 3D (three-dimensional) printer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109177165A (en) * | 2018-09-28 | 2019-01-11 | 青岛铭晨信息技术有限公司 | A kind of furniture 3D printer increasing and decreasing material Compound Machining |
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| CN116727914A (en) * | 2023-08-11 | 2023-09-12 | 苏芯物联技术(南京)有限公司 | Real-time intelligent control method for welding shielding gas under short welding seam scene |
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