CN211892007U - Photosensitive resin heating device of photocuring 3D printer - Google Patents
Photosensitive resin heating device of photocuring 3D printer Download PDFInfo
- Publication number
- CN211892007U CN211892007U CN202020338419.9U CN202020338419U CN211892007U CN 211892007 U CN211892007 U CN 211892007U CN 202020338419 U CN202020338419 U CN 202020338419U CN 211892007 U CN211892007 U CN 211892007U
- Authority
- CN
- China
- Prior art keywords
- heat
- heating element
- photosensitive resin
- honeycomb ceramic
- airflow channel
- 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
Links
- 239000011347 resin Substances 0.000 title claims abstract description 38
- 229920005989 resin Polymers 0.000 title claims abstract description 38
- 238000010438 heat treatment Methods 0.000 title claims abstract description 33
- 238000000016 photochemical curing Methods 0.000 title claims abstract description 10
- 239000000919 ceramic Substances 0.000 claims abstract description 19
- 238000009792 diffusion process Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 238000009825 accumulation Methods 0.000 abstract description 10
- 238000005253 cladding Methods 0.000 abstract description 4
- 238000004321 preservation Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000006698 induction Effects 0.000 abstract 1
- 238000005338 heat storage Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 5
- 238000001723 curing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Images
Landscapes
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The utility model discloses a photocuring 3D printer photosensitive resin heating device, it is including setting up the cladding frame, form the heat accumulation chamber between cladding frame and the resin bath outside, heat preservation and honeycomb ceramic heat accumulator have set gradually by outer and interior in the heat accumulation chamber of lateral part, the interval is provided with airflow channel on the honeycomb ceramic heat accumulator, both ends are provided with open end and sealed end respectively about the airflow channel, open end and the setting of staggering of sealed end in the adjacent airflow channel, the heat accumulation chamber of bottom is provided with heating element, heating element passes through the induction pipe and links to each other with circulating fan, heating element interval is provided with direction backup pad and abutment all around, form the steam diffusion zone between the direction backup pad, the heat accumulation chamber top is provided with the chamber lid, be provided with the communicating return air passageway with airflow channel in the chamber lid, return air passageway passes through the muffler and links to each other with circulating fan. The utility model discloses make photosensitive resin heating more even, the heat transfer is abundant, has reduced energy consumption, and heating efficiency is higher.
Description
Technical Field
The utility model relates to a 3D printer equipment accessories, in particular to photosensitive resin heating device of photocuring 3D printer.
Background
SLA (stereo photocuring forming method) is the earliest practical rapid forming technology, adopts liquid photosensitive resin raw materials, and has the technical processes that a three-dimensional solid model is designed through software, the model is sliced by using a discrete program, a scanning path is designed, and the generated data can accurately control the movement of a laser scanner and a lifting platform; laser beams irradiate the surface of the liquid photosensitive resin of the resin tank according to a designed scanning path through a scanner controlled by a numerical control device, so that after a layer of resin in a specific area of the surface is cured, a section of the part is generated after a layer of resin is processed; then the lifting platform descends for a certain distance, another layer of liquid resin is covered on the curing layer, then the second layer of scanning is carried out, and the second curing layer is firmly bonded on the previous curing layer, so that the three-dimensional workpiece prototype is formed by stacking layer by layer. And taking the prototype out of the resin, carrying out final curing, and carrying out polishing, electroplating, paint spraying or coloring treatment to obtain the required product. The temperature and uniformity of the liquid in the resin tank, particularly the photosensitive resin on the surface of the notch, directly influence the precision of the processed parts, as is well known, the viscosity of the photosensitive resin increases along with the decrease of the temperature and decreases along with the increase of the temperature, and the existing resin heater modes mainly have different problems such as a heating plate, heat conduction oil, a heating rod and the like.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art in the heating of liquid photosensitive resin, the utility model provides a rational in infrastructure, the heat accumulation is lasting, the heating is even, improve heat utilization's photocuring 3D printer photosensitive resin heating device.
The utility model provides a technical scheme that technical problem took does: a photosensitive resin heating device of a photocuring 3D printer comprises a coating frame arranged on the periphery of the outer side of a resin tank, a heat storage cavity is formed between the coating frame and the outer side of the resin tank, a heat preservation layer and a honeycomb ceramic heat accumulator are sequentially arranged in the heat storage cavity at the side part from outside to inside, the honeycomb ceramic heat accumulator is provided with airflow channels at intervals, the upper end and the lower end of each airflow channel are respectively provided with an opening end and a sealing end, the opening end and the sealing end in the adjacent airflow channels are arranged in a staggered way, the heat storage cavity at the bottom is provided with a heating element, the heating element is connected with a circulating fan through an air supply pipe, the heating element is provided with guide support plates and table columns at intervals around, a hot gas diffusion area is formed between the guide support plates, the top of the heat storage cavity is provided with a cavity cover, a gas return channel communicated with the gas flow channel is arranged in the cavity cover, and the gas return channel is connected with the circulating fan through a gas return pipe.
Furthermore, a lug is arranged on the cavity cover and fixed on the coating frame.
The technical effects of the utility model: compared with the prior art, 1, the photosensitive resin is heated more uniformly through the honeycomb ceramic heat accumulator and the heat insulation layer, and no obvious temperature difference occurs in the resin tank; 2. the open end and the sealed end of the airflow channel are arranged in a staggered manner, so that the hot airflow is kept in the honeycomb ceramic heat storage body for longer heat exchange time, the heat exchange is sufficient, and the energy consumption is reduced; 3. the boss and the guide support plate are arranged, so that the flowing direction of hot air flow is guided, flowing gaps are reserved, and the heating efficiency is higher.
Drawings
FIG. 1 is a schematic view of the front view structure of the present invention,
FIG. 2 is a schematic sectional view A-A of FIG. 1,
FIG. 3 is a schematic sectional view of the structure of FIG. 2B,
fig. 4 is a schematic sectional structure view of C-C of fig. 2.
In the figure, 1, a resin groove 2, a lug 3, a honeycomb ceramic heat accumulator 4, a cavity cover 5, a heat accumulation cavity 6, a gas return pipe 7, a circulating fan 8, a gas feed pipe 9, a gas return channel 10, a coating frame 11, an insulating layer 12, a column 13, a heating element 14, a guide support plate 15, an opening end 16, an air flow channel 17, a sealing end 18 and a hot gas diffusion area.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention is described in further detail below according to specific embodiments.
As shown, said onePhotosensitive resin heating device of photocuring 3D printer, including setting up cladding frame 10 around the resin tank outside, form heat accumulation chamber 5 between cladding frame and the 1 outside of resin tank, the heat accumulation intracavity outside-in of lateral part has set gradually heat preservation 11 and honeycomb ceramic heat accumulator 3 (the material of heat preservation is made by aluminium silicate ceramic fibre cotton and asbestos, honeycomb ceramic heat accumulator is with Al ceramic fiber cotton2O3Cordierite, SiO2Etc. as main raw material, with TiO2、ZrO2The honeycomb ceramic heat accumulator is prepared by adopting a die pressing or extrusion forming method and a sintering process after mixing and ball milling the raw materials by adopting an adhesive), an air flow channel 16 is arranged on the honeycomb ceramic heat accumulator at intervals, the upper end and the lower end of the air flow channel are respectively provided with an open end 15 and a sealing end 17, the open ends and the sealing ends in the adjacent air flow channels are arranged in a staggered manner, a heat accumulation cavity at the bottom is provided with a heating element 13, the heating element is connected with a circulating fan 7 through an air supply pipe 8, guide support plates 14 and table columns 12 are arranged around the heating element at intervals, the table columns can be prepared into the honeycomb ceramic heat accumulator and can also leave gaps for the circulation of hot air flow, a hot air diffusion area 18 is formed between the guide support plates, the top of the heat accumulation cavity is provided with a cavity cover 4, the cavity cover is provided with lugs 2, and an air return channel 9 communicated with the airflow channel is arranged in the cavity cover, and the air return channel is connected with the circulating fan through an air return pipe 6.
During operation, the circulating fan 7 sends air to the heating element 13 of the bottom heat storage cavity for heating, the heated hot air enters the opening end 15 of the airflow channel 16 of the honeycomb ceramic heat storage body 3 of the side heat storage cavity for heat exchange after reaching the gap between the pillars 12 through the hot air diffusion zone 18 to improve the temperature of the photosensitive resin in the resin tank, because the upper end corresponding to the opening end is the sealing end 17, the hot air flow of the airflow channel can only slowly permeate into the adjacent airflow channel along the inner wall micropores of the channel and then enters the air return channel 9 in the cavity cover from the opening end of the upper end of the adjacent airflow channel (as shown in the arrow direction in fig. 3), the retention time in the honeycomb ceramic heat storage body can be greatly prolonged, the heat exchanged airflow returns to the circulating fan 7 through the air return pipe 6 connected with the air return channel for next circulation of heat exchange, and the temperature of the photosensitive resin in the resin tank is detected to reach the preset temperature through a temperature probe and a controller in the prior art manually or in the prior art And then the heating element and the circulating fan are closed, and when the temperature of the photosensitive resin in the resin tank is detected to be lower than the preset temperature, the heating element and the circulating fan are started to work.
The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the specific embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (2)
1. The utility model provides a photosensitive resin heating device of photocuring 3D printer which characterized in that: the heat-insulating honeycomb ceramic heat accumulator comprises a coating frame (10) arranged on the periphery of the outer side of a resin tank, a heat-storing cavity (5) is formed between the coating frame and the outer side of the resin tank (1), a heat-insulating layer (11) and a honeycomb ceramic heat accumulator (3) are sequentially arranged in the heat-storing cavity of the side part from outside to inside, an air flow channel (16) is arranged on the honeycomb ceramic heat accumulator at intervals, an open end (15) and a sealing end (17) are respectively arranged at the upper end and the lower end of the air flow channel, the open end and the sealing end in the adjacent air flow channel are staggered, a heating element (13) is arranged in the heat-storing cavity of the bottom part, the heating element is connected with a circulating fan (7) through an air feeding pipe (8), guide support plates (14) and table posts (12) are arranged at intervals on the periphery of the heating element, a hot air diffusion area (18) is, the air return channel is connected with the circulating fan through an air return pipe (6).
2. The photosensitive resin heating device of the photocuring 3D printer of claim 1, characterized in that: the cavity cover (4) is provided with a lug (2) which is fixed on the coating frame (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020338419.9U CN211892007U (en) | 2020-03-18 | 2020-03-18 | Photosensitive resin heating device of photocuring 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020338419.9U CN211892007U (en) | 2020-03-18 | 2020-03-18 | Photosensitive resin heating device of photocuring 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211892007U true CN211892007U (en) | 2020-11-10 |
Family
ID=73268057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020338419.9U Expired - Fee Related CN211892007U (en) | 2020-03-18 | 2020-03-18 | Photosensitive resin heating device of photocuring 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211892007U (en) |
-
2020
- 2020-03-18 CN CN202020338419.9U patent/CN211892007U/en not_active Expired - Fee Related
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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: 20201110 |