CN201070836Y - Resin heating system for photo-curing rapid-shaping - Google Patents
Resin heating system for photo-curing rapid-shaping Download PDFInfo
- Publication number
- CN201070836Y CN201070836Y CNU2007200527602U CN200720052760U CN201070836Y CN 201070836 Y CN201070836 Y CN 201070836Y CN U2007200527602 U CNU2007200527602 U CN U2007200527602U CN 200720052760 U CN200720052760 U CN 200720052760U CN 201070836 Y CN201070836 Y CN 201070836Y
- Authority
- CN
- China
- Prior art keywords
- resin
- light
- temperature
- cured
- slot
- 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 - Lifetime
Links
Images
Abstract
The utility model discloses a resin heating system for light-cured rapid forming, which is composed of a main slot, a sub-slot, heat conducting medium and a heater, wherein, the main slot and the sub-slot which are used for holding photosensitive resin adopt interlayer structures which are provided with heat conducting oil with bigger thermal conductivity and heat capacity in an infill injection way. The temperature of the heat conducting oil is maintained at a set value in an electric heating way, and the photosensitive resin is heated uniformly in five directions by the cycle of the heat conducting oil. The utility model overcomes the shortcoming that the photosensitive resin is not heated uniformly, and resin in different parts of a resin slot is enabled to keep uniform temperature in a heating and light-cured process. By using a constant temperature control device to control an electric heater, the working temperature of the light-cured resin is maintained at a certain set value, so the forming precision of light-cured rapid forming workpieces is enhanced, and the maintenance expenditure of equipment is saved. By adopting an invention of the utility model, the temperature precision can be reached by 0.1 DEG C.
Description
One technical field
The invention belongs to quick original shape manufacturing technology field, relate generally to the heating of the photosensitive resin in the photocurable quick shaping process process and the thermostatic control of temperature.
Two background technologies
RP technique is called for short RP technique again, its core is based on digitized novel forming technique, it can automatically, fast, directly, accurately be converted into design philosophy prototype or the direct finished parts (workpiece) with certain function, can shorten the R﹠D cycle of product effectively, be the strong instrument that improves the quality of products, reduces product cost.Photocureable rapid shaping be with can quick-setting photosensitive resin under the light radiation of specific wavelength be material, according to the CAD 3D model data of workpiece, the projection by scanning of computer-controlled laser beam or programmable photo mask makes the photosensitive resin top layer be solidified to form an accumulation horizon of workpiece.Then, the distance that the workbench of carrying workpiece vertically is displaced downwardly to an accumulation horizon by the requirement of technology recoats photosensitive resin (shaping workpiece stack layer) surface of having solidified and is covered with one deck uncured resin, repeating aforesaid photocuring step is bonded on the accumulation horizon of preceding one-step solidification the accumulation horizon of new cured resin, this process constantly repeats can produce the prototype of any complicated shape in this way fast till the whole work-piece manufacturing is finished.
Obviously, in above-mentioned photocuring process, the making of workpiece is vertically to be displaced downwardly to down the accumulation that one deck finishes successively to form, it is very important to keep the thermostatic control of resin heated temperatures, it directly influences the dimensional accuracy of shaping workpiece in vertical direction, and deviation seriously can cause whole work-piece to be scrapped.
Usually there are two kinds of methods to be used for the photosensitive resin heating of photocurable quick shaping process.A kind of is the hot air circulate method, and it is a kind of method of simple possible, and its principle is to inject hot-air in the resin storage tank bottom, and photosensitive resin is heated.The mode that heats by the continuous circulation of hot-air is subjected to the influence of environment temperature, and resin storage tank is when unpacking, and thermal balance will be broken.Mode heats the little molecular solvent evaporation of the resin of appearance and causes laser instrument to be polluted thus, has influence on the service life of scan mirror, directly causes maintenance cost to raise.Another kind is the heating plate snead process, and this method is to utilize heating plate directly to be posted on the resin storage tank resin is heated, and in the heating process, temperature presents graded, causes heating inhomogeneous.And in the manufacturing process of workpiece, along with the decline of resin storage tank, temperature raises, and variation of temperature directly influences the formed precision of each layer of workpiece, causes the distortion of workpiece.
In addition, the resin heating that above-mentioned resin heating means are brought is inhomogeneous, and the evaporation of the little molecular solvent of resin is that existing method is difficult to realize easily resin evenly heating and heating-up temperature thermostatic control precision to the pollution of equipment.
Three summary of the invention
Deficiency in view of said method and technology existence, the object of the present invention is to provide a kind of resin heating system of photocurable quick shaping process, it is characterized in that resin storage tank is designed to sandwich, filling heat-conductive medium in interlayer, heat-conducting medium surrounds resin storage tank, by thermostatically-controlled equipment control electric heater, make the operating temperature of light-cured resin maintain a certain setting value.
The present invention includes:
1. the resin storage tank of light-curing rapid forming equipment is made up of major trough and secondary groove, major trough has overfall, major trough is used for the light-cured resin of splendid attire shaping workpiece, and secondary groove is designed for and is contained in the unnecessary resin that flows out by the overfall on the cell wall because of the resin liquid level of keeping major trough in the Workpiece shaping process.
2. major trough and secondary groove adopt sandwich, and the bottom of major trough and the surface of secondary groove form mezzanine space, and secondary groove partly surrounds major trough.
3. fill heat-conducting medium in mezzanine space, heat-conducting medium is to use thermal capacitance and the bigger heat conduction oil of thermal conductivity factor, makes the resin at the resin storage tank different parts keep even temperature as far as possible in the process of heating and photocuring.
4. keep the conduction oil temperature in the value that sets with Electric heating, from five directions photosensitive resin is carried out uniform heating, make the operating temperature of light-cured resin maintain a certain setting value by the circulation of conduction oil.
The present invention adopts the mezzanine space to the major trough of resin storage tank and the formation of secondary groove to fill heat conduction oil, five methods that face heats to the resin storage tank major trough that can do to move both vertically, realize resin heating and thermostatic control, it not only can overcome the existing method uneven shortcoming of heating easily, also can overcome the pollution of existing method to equipment.Because during workpiece is made, temperature constant, when making every decline one cured layer, the precision of moulding is not subjected to the influence that temperature is brought.Improve the formed precision of workpiece, and reduced the maintenance cost of equipment.
Four description of drawings
Fig. 1 has major trough, attached groove, interlayer, heat-conducting medium, the thermostatic control resin storage tank schematic diagram of electric heater structure, wherein: major trough 1 is used for the light-cured resin 4 of splendid attire shaping workpiece, attached groove 2 is used for being contained in the Workpiece shaping process and passes through the unnecessary resin 5 that overfall 3 flows out because of the resin liquid level of keeping major trough, major trough 1 and attached groove 2 adopt sandwich 7, fill heat-conducting medium 6 in the sandwich 7, heat-conducting medium 6 is to use thermal capacitance and the bigger heat conduction oil of thermal conductivity factor, make resin in the process of heating and photocuring, keep even temperature as far as possible, can make the operating temperature of light-cured resin maintain a certain setting value by thermostatically-controlled equipment control electric heater 8 at the resin storage tank different parts.
Five specific embodiment
Referring to Fig. 1, the present invention includes: the resin storage tank of light-curing rapid forming equipment is made up of major trough and secondary groove, major trough has overfall, major trough is used for the light-cured resin of splendid attire shaping workpiece, and secondary groove is designed for and is contained in the unnecessary resin that flows out by the overfall on the cell wall because of the resin liquid level of keeping major trough in the Workpiece shaping process.Major trough and secondary groove are designed to sandwich, and the bottom of major trough and the surface of secondary groove form mezzanine space, and secondary groove partly surrounds major trough.Fill heat-conducting medium in mezzanine space, heat-conducting medium is to use thermal capacitance and the bigger heat conduction oil of thermal conductivity factor, makes the resin at the resin storage tank different parts keep even temperature as far as possible in the process of heating and photocuring.Electric heater is controlled by thermostatically-controlled equipment, makes the operating temperature of light-cured resin maintain a certain setting value.
During work, the electrothermic constant temperature equipment of major trough keep resin in the operating temperature of a certain setting so that reduce the viscosity of resin, realize resin heating and thermostatic control, it not only can overcome the existing method uneven shortcoming of heating easily, also can overcome the pollution of existing method to equipment.Because during workpiece is made, temperature constant, when making every decline one cured layer, the precision of moulding is not subjected to the influence that temperature is brought.The maintenance cost of reduction equipment and effectively control the formed precision of workpiece, thus increase work efficiency.Adopt the present invention can realize 0.1 degree centigrade temperature accuracy.
Claims (2)
1. resin heating system that is used for photocureable rapid shaping, it is characterized in that: the attached groove (2) that comprises the major trough (1) of carry potential overflow mouth (3) and be positioned at major trough (1) outside, light-cured resin (4) is arranged in major trough (1), the unnecessary resin (5) that flows out by overfall (3) is in secondary groove (2), around the major trough (1) and bottom and attached groove (2) form interlayer (7), and heat-conducting medium (6) and electric heater (8) are in interlayer (7).
2. according to the described a kind of resin heating system that is used for photocureable rapid shaping of claim (1), it is characterized in that: described electric heater (8) be installed in major trough (1) in the interlayer (7) around and bottom on the wall of totally five different directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200527602U CN201070836Y (en) | 2007-06-14 | 2007-06-14 | Resin heating system for photo-curing rapid-shaping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200527602U CN201070836Y (en) | 2007-06-14 | 2007-06-14 | Resin heating system for photo-curing rapid-shaping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201070836Y true CN201070836Y (en) | 2008-06-11 |
Family
ID=39549394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200527602U Expired - Lifetime CN201070836Y (en) | 2007-06-14 | 2007-06-14 | Resin heating system for photo-curing rapid-shaping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201070836Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328367A (en) * | 2010-07-12 | 2012-01-25 | 无锡易维模型设计制造有限公司 | Warm-air heating system of photosensitive-curing rapid prototyping machine |
| CN101712172B (en) * | 2009-03-26 | 2012-01-25 | 韩跃 | Equipment and method for thermally setting thermosetting resin (adhesive) on surface of special-shaped object |
| CN108621416A (en) * | 2017-03-20 | 2018-10-09 | 台达电子工业股份有限公司 | Photocuring three-dimensional modeling system and glue groove heating device |
| EP3689581A1 (en) * | 2015-12-04 | 2020-08-05 | Coobx AG | Additive manufacturing device |
-
2007
- 2007-06-14 CN CNU2007200527602U patent/CN201070836Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101712172B (en) * | 2009-03-26 | 2012-01-25 | 韩跃 | Equipment and method for thermally setting thermosetting resin (adhesive) on surface of special-shaped object |
| CN102328367A (en) * | 2010-07-12 | 2012-01-25 | 无锡易维模型设计制造有限公司 | Warm-air heating system of photosensitive-curing rapid prototyping machine |
| CN102328367B (en) * | 2010-07-12 | 2015-06-10 | 无锡易维模型设计制造有限公司 | Warm-air heating system of photosensitive-curing rapid prototyping machine |
| EP3689581A1 (en) * | 2015-12-04 | 2020-08-05 | Coobx AG | Additive manufacturing device |
| CN108621416A (en) * | 2017-03-20 | 2018-10-09 | 台达电子工业股份有限公司 | Photocuring three-dimensional modeling system and glue groove heating device |
| US11117323B2 (en) | 2017-03-20 | 2021-09-14 | Delta Electronics, Inc. | Photocuring three-dimensional molding system and vat heating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100544943C (en) | The resin level control of photocureable rapid shaping and the method and apparatus of resin-coating | |
| US20160288412A1 (en) | Device for Processing Photopolymerizable Material in Order to Construct a Shaped Body Layer by Layer | |
| US20230234283A1 (en) | Method and device for lithography-based additive production of three-dimensional shaped bodies | |
| CN105593004B (en) | For processing photopolymerizable material successively to form the device of formed body | |
| CN104742376A (en) | Laser linear array type 3D printing equipment and molding method thereof | |
| CN201070836Y (en) | Resin heating system for photo-curing rapid-shaping | |
| CN100386173C (en) | Laser rapid-forming method based on contour scanning of coated powder materials | |
| CN202591611U (en) | Movable preheating device for laser rapid prototyping | |
| CN106001416B (en) | The disposable laser 3D printing machine completed high-precision sand mold and made | |
| CN104325643A (en) | Method and device for manufacturing 3D (three-dimensional) product | |
| CN205033593U (en) | Laser ray array 3D printing apparatus | |
| Hopkins et al. | Energy consumption of common desktop additive manufacturing technologies | |
| CN106188932B (en) | A kind of powder for molding and powder face molding machine based on DLP technologies | |
| CN203317755U (en) | Three-dimensional forming device | |
| CN105964952B (en) | Sand mold making laser 3D printing platform with hot type sandbox | |
| CN201745179U (en) | Warm air heating system for photosensitive resin curing and rapid prototyping machine | |
| CN202192760U (en) | Resin heating and drying system of photocuring fast forming equipment | |
| CN104924616A (en) | 3D printing device and 3D printing method | |
| CN208867574U (en) | A kind of high speed 3D printing equipment | |
| CN103358553A (en) | Method and device for ultrasonic focusing 3D rapid prototyping | |
| CN201693773U (en) | Replaceable resin groove system of photosensitive curing quick-shaping machine | |
| CN205763702U (en) | Sand mold makes of the vacuum feeding distribution device of laser 3D printer | |
| CN205763704U (en) | Sand mold making with hot type sandbox laser 3D print platform | |
| CN205553221U (en) | High accuracy 3D printing device based on SLA technique | |
| CN109304831A (en) | Baking oven and gel method for mold gel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080611 |