CN112936850A - Photocuring forming device with hot air circulation heating function and application method thereof - Google Patents
Photocuring forming device with hot air circulation heating function and application method thereof Download PDFInfo
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- CN112936850A CN112936850A CN202110100434.9A CN202110100434A CN112936850A CN 112936850 A CN112936850 A CN 112936850A CN 202110100434 A CN202110100434 A CN 202110100434A CN 112936850 A CN112936850 A CN 112936850A
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- 238000000016 photochemical curing Methods 0.000 title claims abstract description 24
- 238000010438 heat treatment Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000000465 moulding Methods 0.000 claims abstract description 36
- 238000007639 printing Methods 0.000 claims abstract description 24
- 238000012545 processing Methods 0.000 claims abstract description 15
- 238000001723 curing Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 38
- 239000003814 drug Substances 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 235000000396 iron Nutrition 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000000638 solvent extraction Methods 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000001502 supplementing effect Effects 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003020 moisturizing effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
- B29C64/129—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask
- B29C64/135—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/227—Driving means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/264—Arrangements for irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/295—Heating elements
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
Abstract
The invention discloses a light-cured forming device with a heated air circulation heating function, which comprises: the frame body is sequentially provided with a printing layer, a forming layer and a light source layer from top to bottom; the printing layer is internally provided with a printing unit, the molding layer is internally provided with a molding unit, and the light source layer is internally provided with an ultraviolet light source; the invention also discloses an application method of the photocuring forming device with the heated air circulation heating function, which comprises the following steps: step S1, establishing a three-dimensional model; step S2, generating an STL format file corresponding to the three-dimensional model; step S3, importing the STL format file into a light curing molding device for processing; step S4, during processing, the temperature in the molding layer is maintained at 30-40 ℃ by controlling a hot air fan and a temperature sensor; and step S5, obtaining a final part. According to the invention, the hot air fan and the second mounting plate are arranged, so that hot air circularly flows in the environment, and the ambient temperature for photocuring molding is ensured to meet the requirements for photocuring molding.
Description
Technical Field
The invention relates to the technical field of three-dimensional forming, in particular to a photocuring forming device with a heated air circulation heating function and an application method thereof.
Background
Photocuring molding (SLA), which is one of additive manufacturing technologies, is to irradiate a photosensitive resin with ultraviolet light with a specific wavelength to cause the resin to generate a curing reaction to prepare an entity, to perform point-by-point scanning or surface exposure on the surface of the resin to cause polymers, monomers, photoinitiators and the like in the photosensitive resin to generate a polymerization reaction to obtain a thin-layer entity with a specific shape and thickness in advance, and to obtain a three-dimensional model through layer-by-layer accumulation. However, compared with the mechanical application method, the slurry prepared from materials such as photosensitive resin and ceramic powder used for photocuring molding has poor flowability in a low-temperature environment in winter, the molding effect is very poor, and the regional curing is often incomplete.
In order to ensure that the light curing equipment can still be normally and continuously processed in a low-temperature environment, Lopinan proposes a heating and heat preservation method of hot air circulation heating, the method is characterized in that a hot air fan with a heating wire is fixed on the inner wall of a case of the equipment in the light curing forming process, the temperature of the printing environment is kept to be above 30 ℃ by utilizing hot air, people such as Lopinan, Chenpeng and the like can hardly be processed and formed at the room temperature of 10 ℃, the processing yield is close to 100% after the hot air circulation system is installed, the forming quality of workpieces is improved, and the reduction of the light transmittance of a light curing medicine cylinder during the heating of the traditional heating wire is avoided.
Aiming at the application method of photocuring molding, a hot air circulation heating device is needed to be designed to ensure continuous processing in a low-temperature environment.
Disclosure of Invention
In view of the above, the present invention provides a light-curing molding device with a heated air circulation heating function and an application method thereof, so as to ensure that the temperature meets the light-curing requirement in the molding process and avoid damage to a control system due to an over-high temperature in a low-temperature environment.
In order to achieve the above object, the present invention provides a photo-curing molding apparatus having a heated air circulation heating function, comprising: the frame body is sequentially provided with a printing layer, a forming layer and a light source layer from top to bottom;
the printing unit is arranged in the printing layer, a first mounting plate is arranged at the back of the printing layer, the printing unit comprises a first stepping motor and a coupler, the first stepping motor is mounted on the first mounting plate, the coupler is connected with an output shaft of the first stepping motor, the other end of the coupler is connected with a ball screw, a printing platform is mounted on the ball screw, and the printing platform moves back and forth on the ball screw through the transmission of the first stepping motor;
the forming layer is internally provided with a forming unit, two side surfaces of the forming layer are respectively provided with a second mounting plate, the bottom surface of the forming layer is provided with a forming platform plate, one of the two second mounting plates is provided with a hot air fan, and the forming unit is arranged on the forming platform plate;
the forming unit comprises a transmission assembly arranged on the forming platform plate, a scraper assembly connected with the transmission assembly and a medicine cylinder;
the transmission assembly comprises a transmission mechanism and a driving mechanism;
the transmission mechanism comprises a driving shaft and a transmission shaft, and the driving shaft and the transmission shaft are arranged on the forming platform plate at a certain distance through a bearing support and are parallel to the first mounting plate;
a driving mechanism is arranged on one side of the driving shaft and comprises a second stepping motor and a coupler, and an output shaft of the second stepping motor is connected with the driving shaft through the coupler and provides power for the driving shaft;
the bearing supports on two sides of the driving shaft are connected with the bearing supports on two sides of the driven shaft through a transmission belt, so that the driving shaft and the transmission shaft are linked;
a medicine cylinder is arranged below the area between the driving shaft and the transmission shaft, the medicine cylinder is a lower concave part of the forming platform plate, and the opening of the medicine cylinder is rectangular;
sliding rails are arranged on the edges of the two sides of the medicine cylinder and are parallel to the transmission belt;
the scraper component comprises a scraper body and a sliding block;
the sliding block is connected with the sliding rail in a sliding mode and fixedly connected with the transmission belt on one adjacent side through a connecting piece, and the scraper body is installed on the sliding block;
the molding layer also comprises a temperature sensor which is used for monitoring the temperature in the molding layer;
an ultraviolet light source is arranged in the light source layer, and the light path of the ultraviolet light source is opposite to the bottom surface of the medicine cylinder.
Further, the medicine jar is close to the border department of one side of first mounting panel is provided with the moisturizing pipe, the liquid outlet of moisturizing pipe stretches into inside the medicine jar, the liquid outlet and the outside confession liquid device of moisturizing pipe are connected.
Furthermore, the frame body is made of aluminum profiles, and the beams and the columns of the frame body are reinforced through angle irons and fastening screws.
Furthermore, the rotating speed of the second stepping motor is 100r/min-1000 r/min.
Furthermore, the first mounting plate is fixedly connected with the frame body through fastening screws, the second mounting plate is fixed on the frame body through welding, and the hot air fan is mounted on the second mounting plate close to one side of the second stepping motor through the fastening screws.
The invention also provides an application method of the photocuring forming device with the heated air circulation heating function, which comprises the following steps:
s1, establishing a three-dimensional model of the forming part by using modeling software, and partitioning the three-dimensional model according to functional requirements;
step S2, importing the partitioned three-dimensional model into slicing software, adding support, and completing: performing operations of hierarchical slicing, path planning and parameter selection, and finally generating an STL format file corresponding to the three-dimensional model;
step S3 of importing the STL format file obtained in step S2 into the photo-curing molding apparatus and processing the STL format file;
step S4, during processing, controlling the hot air fan and the temperature sensor to maintain the temperature in the molding layer at 30-40 ℃;
and step S5, finishing the processing, taking out the formed part, cleaning, drying and removing the support to obtain the final part.
The invention has the beneficial effects that:
according to the invention, hot air is blown out by the hot air fan and the wind shielding effect of the second mounting plate is utilized, so that the hot air circularly flows in the forming layer, the environmental temperature is kept above 30 ℃, and the continuous processing capability of photocuring forming in winter is realized.
Drawings
Fig. 1 is a schematic structural view of a photocuring molding apparatus provided in embodiment 1.
Fig. 2 is a schematic structural view of the molding layer provided in example 1.
FIG. 3 is a schematic view of hot air circulation in example 1.
In the figure:
1-frame body, 2-first mounting plate, 201-first stepping motor, 202-first coupling, 203-ball screw, 204-printing platform, 3-second mounting plate, 301-forming platform plate, 302-hot air fan, 401-second stepping motor, 402-second coupling, 403-driving belt, 404-bearing support, 405-scraper body, 406-sliding block, 407-sliding rail, 5-medicine cylinder, 6-ultraviolet light source, 7-liquid supplementing pipe, 801-angle iron and 802-fastening screw.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 3, the present embodiment provides a light-curing molding apparatus with a heated air circulation heating function, including: the frame body 1 is formed by splicing aluminum alloy sections, and an aluminum alloy beam and an aluminum alloy column in the frame body 1 are reinforced through angle irons 801 and fastening screws 802.
The frame body 1 is sequentially provided with a printing layer, a forming layer and a light source layer from top to bottom; be equipped with the printing unit in the printing layer, the back on printing layer is equipped with first mounting panel 2, the printing unit is including installing first step motor 201 on first mounting panel 2 and the first shaft coupling 202 with first step motor 201 output shaft, ball 203 is connected to the other end of first shaft coupling 202, install print platform 204 on the ball 203, print platform 204 realizes the round trip movement through the transmission of first step motor 201 on ball 203.
The forming layer is internally provided with a forming unit, the two side surfaces of the forming layer are respectively provided with a second mounting plate 3, the bottom surface of the forming layer is provided with a forming platform plate 301, one of the two second mounting plates 3 is provided with a hot air fan 302, and the forming unit is arranged on the forming platform plate 301; the forming unit comprises a transmission component arranged on the forming platform plate 301, a scraper component connected with the transmission component and a medicine cylinder 5; the transmission assembly comprises a transmission mechanism and a driving mechanism.
The transmission mechanism comprises a driving shaft and a transmission shaft, wherein the driving shaft and the transmission shaft are arranged on the forming platform plate 301 at a certain distance through a bearing support 404 and are parallel to the first mounting plate 2.
One side of the driving shaft is provided with a driving mechanism, the driving mechanism comprises a second stepping motor 401 and a second coupler 402, an output shaft of the second stepping motor 401 is connected with the driving shaft through the second coupler 402 to provide power for the driving shaft, and the rotating speed of the second stepping motor 401 is 100r/min-1000 r/min.
The bearing supports 404 on the two sides of the driving shaft are connected with the bearing supports 404 on the two sides of the driven shaft through a transmission belt 403, so that the driving shaft and the transmission shaft are linked; a medicine cylinder 5 is arranged below the region between the driving shaft and the transmission shaft, the medicine cylinder 5 is a lower concave part of the forming platform plate, and the opening of the medicine cylinder 5 is rectangular; the two side edges of the medicine cylinder 5 are provided with slide rails 407, and the slide rails 407 are parallel to the transmission belt 403; the blade assembly includes a blade body 405 and a slider 406; the sliding block 406 is connected with the sliding rail 407 in a sliding manner, and the sliding block 406 is fixedly connected with the driving belt 403 on the adjacent side through a connecting piece, and the scraper body is installed on the sliding block 406.
The molding layer also comprises a temperature sensor which is used for monitoring the temperature in the molding layer; an ultraviolet light source 6 is arranged in the light source layer, and the light path of the ultraviolet light source 6 is opposite to the bottom surface of the medicine cylinder 5.
Specifically, in this embodiment, a liquid supplementing pipe 7 is disposed at an edge of the side of the cylinder 5 close to the first mounting plate 2, a liquid outlet of the liquid supplementing pipe 7 extends into the cylinder 5, and a liquid outlet of the liquid supplementing pipe 7 is connected to an external liquid supply device.
Specifically, in the present embodiment, the first mounting plate 2 is fixedly connected to the frame 1 by the fastening screws 802, the second mounting plate 3 is fixed to the frame 1 by welding, and the hot air fan 302 is mounted on the second mounting plate 3 near the second stepping motor 401 by the fastening screws 802.
In this embodiment, hot air is continuously supplied to the molding layer by the hot air fan 302 during the photo-curing molding process.
The second mounting plates 3 on the left and right sides are fixed on the frame body 1 by welding and play a role in shielding wind, so that hot air circularly flows in the environment. Hot air blown out by the hot air fan 302 and the wind shielding effect of the second mounting plate 3 enable the hot air to circularly flow in the forming layer, so that the environmental temperature is kept at 30-40 ℃, and the continuous processing capability of the photocuring forming in winter is realized.
Example 2
The embodiment provides an application method of the photocuring molding device in application embodiment 1, which includes the following steps:
s1, establishing a three-dimensional model of the forming part by using modeling software, and partitioning the three-dimensional model according to functional requirements;
step S2, importing the partitioned three-dimensional model into slicing software, adding support, and completing: performing operations of hierarchical slicing, path planning and parameter selection, and finally generating an STL format file corresponding to the three-dimensional model;
step S3, importing the STL format file obtained in step S2 into a photocuring molding device for processing;
step S4, during processing, the temperature in the molding layer is maintained at 30-40 ℃ by controlling a hot air fan and a temperature sensor;
and step S5, finishing the processing, taking out the formed part, cleaning, drying and removing the support to obtain the final part.
The invention is not described in detail, but is well known to those skilled in the art.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (6)
1. The utility model provides a photocuring forming device with heated air circulation heating function which characterized in that includes: the frame body is sequentially provided with a printing layer, a forming layer and a light source layer from top to bottom;
the printing unit is arranged in the printing layer, a first mounting plate is arranged at the back of the printing layer, the printing unit comprises a first stepping motor arranged on the first mounting plate and a first coupler connected with an output shaft of the first stepping motor, the other end of the coupler is connected with a ball screw, a printing platform is arranged on the ball screw, and the printing platform moves back and forth on the ball screw through the transmission of the first stepping motor;
the forming layer is internally provided with a forming unit, two side surfaces of the forming layer are respectively provided with a second mounting plate, the bottom surface of the forming layer is provided with a forming platform plate, one of the two second mounting plates is provided with a hot air fan, and the forming unit is arranged on the forming platform plate;
the forming unit comprises a transmission assembly arranged on the forming platform plate, a scraper assembly connected with the transmission assembly and a medicine cylinder;
the transmission assembly comprises a transmission mechanism and a driving mechanism;
the transmission mechanism comprises a driving shaft and a transmission shaft, and the driving shaft and the transmission shaft are arranged on the forming platform plate at a certain distance through a bearing support and are parallel to the first mounting plate;
a driving mechanism is arranged at one side of the driving shaft and comprises a second stepping motor and a second coupler, and an output shaft of the second stepping motor is connected with the driving shaft through the coupler to provide power for the driving shaft;
the bearing supports on two sides of the driving shaft are connected with the bearing supports on two sides of the driven shaft through a transmission belt, so that the driving shaft and the transmission shaft are linked;
a medicine cylinder is arranged below the area between the driving shaft and the transmission shaft, the medicine cylinder is a lower concave part of the forming platform plate, and the opening of the medicine cylinder is rectangular;
sliding rails are arranged on the edges of the two sides of the medicine cylinder and are parallel to the transmission belt;
the scraper component comprises a scraper body and a sliding block;
the sliding block is connected with the sliding rail in a sliding mode and fixedly connected with the transmission belt on one adjacent side through a connecting piece, and the scraper body is installed on the sliding block;
the molding layer also comprises a temperature sensor which is used for monitoring the temperature in the molding layer;
an ultraviolet light source is arranged in the light source layer, and the light path of the ultraviolet light source is opposite to the bottom surface of the medicine cylinder.
2. The photocuring molding device with the heated air circulation heating function as claimed in claim 1, wherein a liquid replenishing pipe is arranged at the edge of one side of the medicine cylinder close to the first mounting plate, a liquid outlet of the liquid replenishing pipe extends into the medicine cylinder, and a liquid outlet of the liquid replenishing pipe is connected with an external liquid supply device.
3. The photocuring molding device with the heated air circulation heating function as claimed in claim 2, wherein the frame body is made of aluminum profiles, and the beams and the columns of the frame body are reinforced through angle irons and fastening screws.
4. The photocuring molding device with the heated air circulation heating function as claimed in claim 3, wherein the rotation speed of the second stepping motor is 100r/min-1000 r/min.
5. The photocuring molding device with the heated air circulation heating function as claimed in claim 4, wherein the first mounting plate is fixedly connected with the frame body through a fastening screw, the second mounting plate is fixed on the frame body through welding, and the hot air fan is mounted on the second mounting plate at a position close to one side of the second stepping motor through a fastening screw.
6. A method for applying the light-curing molding device with the hot air circulation heating function according to any one of claims 1 to 5, which is characterized by comprising the following steps:
s1, establishing a three-dimensional model of the forming part by using modeling software, and partitioning the three-dimensional model according to functional requirements;
step S2, importing the partitioned three-dimensional model into slicing software, adding support, and completing: performing operations of hierarchical slicing, path planning and parameter selection, and finally generating an STL format file corresponding to the three-dimensional model;
step S3 of importing the STL format file obtained in step S2 into the photo-curing molding apparatus and processing the STL format file;
step S4, during processing, controlling the hot air fan and the temperature sensor to maintain the temperature in the molding layer at 30-40 ℃;
and step S5, finishing the processing, taking out the formed part, cleaning, drying and removing the support to obtain the final part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110100434.9A CN112936850A (en) | 2021-01-26 | 2021-01-26 | Photocuring forming device with hot air circulation heating function and application method thereof |
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| CN202110100434.9A CN112936850A (en) | 2021-01-26 | 2021-01-26 | Photocuring forming device with hot air circulation heating function and application method thereof |
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| CN111186133A (en) * | 2019-12-26 | 2020-05-22 | 杭州乐一新材料科技有限公司 | SLA and DLP combined 3D printing method and printing device |
| CN111469406A (en) * | 2020-05-20 | 2020-07-31 | 南京工业职业技术学院 | L CD photocuring printer |
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