CN220661727U - Colorful 3D printing device - Google Patents
Colorful 3D printing device Download PDFInfo
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- CN220661727U CN220661727U CN202321577668.3U CN202321577668U CN220661727U CN 220661727 U CN220661727 U CN 220661727U CN 202321577668 U CN202321577668 U CN 202321577668U CN 220661727 U CN220661727 U CN 220661727U
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- printing
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- thermal
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- 238000010146 3D printing Methods 0.000 title claims abstract description 34
- 238000007639 printing Methods 0.000 claims abstract description 100
- 239000011347 resin Substances 0.000 claims abstract description 27
- 229920005989 resin Polymers 0.000 claims abstract description 27
- 238000011161 development Methods 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 230000001678 irradiating effect Effects 0.000 claims abstract description 4
- 238000006073 displacement reaction Methods 0.000 claims description 41
- 239000004065 semiconductor Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 4
- 210000005056 cell body Anatomy 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000001723 curing Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000110 selective laser sintering Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Abstract
The utility model relates to a color 3D printing device, which comprises a container tank body, a printing tray, a printing light source system and a thermal color development system, wherein the container tank body is used for containing liquid photosensitive resin uniformly mixed with a thermal sensitive material, the printing tray is arranged in the container tank body and is connected with a lifting mechanism, the lifting mechanism is used for driving the printing tray to move up and down, the printing light source system is used for emitting printing light beams or breadth light and irradiating the liquid photosensitive resin layer on the printing tray to enable the liquid photosensitive resin layer to be solidified to form a 3D printing structure layer, and the thermal color development system is used for moving and contacting the solidified liquid photosensitive resin layer and heating the thermal sensitive material therein to enable the thermal sensitive material to develop color. The advantages are that: the color printing product can be formed in the printing process, the printing efficiency is high, and the technical defects of the existing printing technology are overcome.
Description
Technical Field
The utility model relates to the technical field of 3D printing, in particular to a color 3D printing device.
Background
3D printing, also known as additive manufacturing, is one of the rapid prototyping techniques, which builds three-dimensional objects by means of point-by-point or layer-by-layer printing, based on digital model files. Heretofore, according to the principle of three-dimensional molding, 3D printing techniques can be classified into melt extrusion rapid molding, photo-curing stereolithography, digital light processing, foil lamination molding, inkjet 3D printing, selective laser sintering, electron beam melt molding, and the like. Compared with the traditional manufacturing industry, the method does not need die manufacturing or mechanical processing, and avoids the waste of materials and energy sources in the traditional material reduction manufacturing process.
At present, the conventional color printing in the market has the advantages of long time consumption, high cost and extremely easy fault occurrence in the printing process, and the ink-jet printing is adopted; and in addition, the multicolor FDM printing technology is adopted, in the printing process, the spray heads are required to be replaced every time one color is replaced, and the printing process is more in waste and longer in time consumption.
Therefore, there is a need to develop a new color 3D printing system.
Disclosure of Invention
The utility model aims to provide a color 3D printing device, which effectively overcomes the defects of the prior art.
The technical scheme for solving the technical problems is as follows:
the utility model provides a colored 3D printing device, including the container cell body, print the tray, print light source system and thermal development system, above-mentioned container cell body is used for splendid attire evenly to mix the liquid photosensitive resin of thermal sensitive material, above-mentioned print the tray and arrange in above-mentioned container cell body in, and be connected with elevating system, above-mentioned elevating system is used for driving above-mentioned print tray and reciprocates, above-mentioned print light source system is used for sending printing light beam or breadth light, and the liquid photosensitive resin layer on the above-mentioned print tray makes it solidification, form 3D and print the structural layer, above-mentioned thermal development system is used for with the liquid photosensitive resin layer removal contact after the solidification, and heat the thermal sensitive material therein, make thermal sensitive material develop color.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the printing light source system comprises a three-dimensional micro-displacement platform II and a printing light source, wherein the three-dimensional micro-displacement platform II is arranged above the container groove body, the printing light source is arranged at the moving end of the three-dimensional micro-displacement platform II, and the three-dimensional micro-displacement platform II is used for adjusting the displacement of the printing light source.
Further, the printing light source is an SLA printing light source or a 3DLP printing light source.
Further, the thermal sensitive color development system comprises a three-dimensional micro-displacement platform III and a thermal sensitive color development unit, wherein the three-dimensional micro-displacement platform III is arranged above the container groove body, the thermal sensitive color development unit is arranged at the moving end of the three-dimensional micro-displacement platform III, and the three-dimensional micro-displacement platform III is used for adjusting the displacement of the thermal sensitive color development unit.
Further, the thermal color development unit comprises a printing head, and a plurality of semiconductor heating elements are arranged on the printing head.
The beneficial effects of the utility model are as follows: the color printing product can be formed in the printing process, the printing efficiency is high, and the technical defects of the existing printing technology are overcome.
Drawings
Fig. 1 is a schematic structural diagram of a color 3D printing apparatus according to the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. a container tank; 2. a printing tray; 31. a three-dimensional micro-displacement platform II; 32. printing a light source; 41. three-dimensional micro-displacement platform III; 42. and a thermosensitive color developing unit.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
Example 1
As shown in fig. 1, the color 3D printing device of this embodiment includes a container tank 1, a printing tray 2, a printing light source system and a thermal color developing system, where the container tank 1 is used for containing liquid photosensitive resin uniformly mixed with thermal materials, the printing tray 2 is placed in the container tank 1 and connected with a lifting mechanism, the lifting mechanism is used for driving the printing tray 2 to move up and down, the printing light source system is used for emitting printing light beams or breadth light and irradiating the liquid photosensitive resin layer on the printing tray 2 to cure the liquid photosensitive resin layer, forming a 3D printing structure layer, and the thermal color developing system is used for moving and contacting with the cured liquid photosensitive resin layer and heating the thermal materials therein, so that the thermal materials at the heated portion develop color.
In this embodiment, the main body of the 3D printing apparatus adopts the existing SLA or DLP printer, which is different in that the thermal color development system is added on the basis of the existing printer, and the thermal material (existing material) is uniformly mixed in the photosensitive resin, so that the thermal material in the designated area of the 3D printing structure layer is heated by the thermal color development system to develop color after the printing is finished (from bottom to top) by adopting a layer-by-layer printing mode, thereby forming a color printing area or pattern shape and the like, realizing color printing of the whole printing product.
What needs to be stated is: the printing materials required in the whole printing process are processed in the processes of production, storage, transportation and use in a dark place. Meanwhile, the whole printer can be added with a light shield, so that external light does not enter in the printing process, and particularly the container groove body 1 is required to be processed in a light-proof mode.
In addition, can increase the camera and monitor whole printing process in printing the storehouse, the host computer is connected to the camera, feeds back the real-time picture of printing to the host computer, the staff of being convenient for monitors on line.
It is emphasized that: the existing SLA or DLP printer has a lifting mechanism (the lifting mechanism structure in this embodiment adopts the lifting mechanism of the existing SLA or DLP printer), and the functions are all to adjust the height of the printing tray 2.
As a preferred embodiment, the printing light source system includes a three-dimensional micro-displacement platform ii 31 and a printing light source 32, the three-dimensional micro-displacement platform ii 31 is erected above the container tank 1, the printing light source 32 is mounted at a moving end of the three-dimensional micro-displacement platform ii 31, and the three-dimensional micro-displacement platform ii 31 is used for adjusting displacement of the printing light source 32.
In the above embodiment, the three-position micro-displacement platform ii 31 adopts a conventional displacement mechanism (which is not described in detail herein) in the existing printer, and aims to drive the printing light source 32 to move, so as to perform light curing on the liquid photosensitive resin layer on the printing tray 2, thereby forming a layer structure, where the printing light source 32 adopts a conventional light source (such as a point light source (defined as an SLA printing light source) in an SLA printer or a web light source (defined as a DLP printing light source) in a DLP printer) in the existing printer.
In this embodiment, the three-position micro-displacement platform ii 31 and the printing light source 32 belong to the products of the prior art, and are not described herein.
As a preferred embodiment, the thermal color development system includes a three-dimensional micro-displacement platform iii 41 and a thermal color development unit 42, the three-dimensional micro-displacement platform iii 41 is erected above the container tank 1, the thermal color development unit 42 is mounted on a moving end of the three-dimensional micro-displacement platform iii 41, and the three-dimensional micro-displacement platform iii 41 is used for adjusting displacement of the thermal color development unit 42.
In the above embodiment, the three-dimensional micro-displacement platform iii 41 drives the thermal color developing unit 42 to move, so that the thermal color developing unit 42 contacts with the surface of the 3D printing structure layer formed by curing, and moves along the surface setting area (which may be a pattern, a line, or an area of the area) of the 3D printing structure layer, and in the moving process, the thermal material in the 3D printing structure layer under the track is heated, so that the thermal material develops color, and the printing efficiency is higher.
In this embodiment, the thermal color developing unit 42 includes a print head (the specific structure can refer to the print head of the thermal printer, and the shape and size of the print head can be adjusted according to the actual needs and the conventional technology), and a plurality of semiconductor heating elements are disposed on the print head. During printing, the semiconductor heating element is in contact with the 3D printed structural layer and heats up, thereby causing the thermal sensitive material to react and develop color.
What needs to be stated is: in this embodiment, the three-dimensional micro-displacement platform ii 31 and the three-dimensional micro-displacement platform iii 41 may be replaced by one three-dimensional displacement platform, and the printing light source 32 and the thermal color development unit 42 (print head) may be mounted at the moving end of the same three-dimensional displacement platform. In the whole embodiment, all three-bit micro-displacement platforms and electric elements (such as semiconductor heating elements) are connected into an intelligent control system of the printer, so that intelligent printing operation is realized.
It is emphasized that: after the printing of the layer below the upper layer of the printing tray 2 is finished, the printing tray 2 is lowered by a certain height (generally 0.1 mm) through a lifting mechanism, so that a layer of liquid photosensitive resin (namely the feeding process of each layer) is covered on the 3D printing structure layer of the lower layer above the printing tray 2, and then the printing of the layer is carried out again.
Example 2
The 3D printing method of the present embodiment is implemented by using the color 3D printing apparatus of embodiment 1, and specifically includes the following steps:
firstly, filling liquid photosensitive resin uniformly mixed with a thermosensitive material into a container tank body 1 in advance;
step two, controlling the printing tray 2 to descend by a certain height on the liquid level of the container tank body 1 through a lifting mechanism, so that a layer (the thickness of a layer is about 0.1 mm) of liquid photosensitive resin in the container tank body 1 is paved on the upper surface of the printing tray 2;
irradiating the liquid photosensitive resin layer of the printing tray 2 by using a printing light source system to enable the liquid photosensitive resin layer to be solidified to form a 3D printing structure layer consistent with the shape of the model slice;
step four, a thermosensitive color development system is utilized to contact and move the cured 3D printing structure layer, so that the thermosensitive material in the contacted 3D printing structure layer is heated to develop color;
and fifthly, repeating the processes from the second step to the fourth step, and sequentially completing the solidification and color development of the 3D printing structural layer of each layer from bottom to top.
What needs to be stated is: in the printing process of each layer, the printing light source system prints according to the slice shape of the corresponding layer of the model, that is to say, the shape of the printing layer structure of each layer can be different or the same, and the printing shape and the printing breadth are set or adjusted according to the model slice of each layer.
In this embodiment, the photosensitive resin is transparent.
What needs to be stated is: both the existing DLP printing apparatus and the SLA printing apparatus have a squeegee, and the apparatus of this embodiment also includes a squeegee, so that the liquid photosensitive resin is uniformly spread on the printing tray 2 or the cured 3D printing structure layer of the lower layer (since it takes a long time to reach the level leveling by the natural flow of the liquid photosensitive resin only, the squeegee can make the quick flow tiling of the photosensitive resin).
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (5)
1. A color 3D printing apparatus, characterized in that: the printing device comprises a container tank body (1), a printing tray (2), a printing light source system and a thermal color development system, wherein the container tank body (1) is used for containing liquid photosensitive resin uniformly mixed with thermal materials, the printing tray (2) is arranged in the container tank body (1) and is connected with a lifting mechanism, the lifting mechanism is used for driving the printing tray (2) to move up and down, the printing light source system is used for emitting printing light beams or breadth light and irradiating the liquid photosensitive resin layer on the printing tray (2) to enable the liquid photosensitive resin layer to be solidified to form a 3D printing structure layer, and the thermal color development system is used for moving and contacting with the solidified liquid photosensitive resin layer and heating the thermal materials in the liquid photosensitive resin layer to enable the thermal materials at a heating part to be colored.
2. The color 3D printing apparatus according to claim 1, wherein: the printing light source system comprises a three-dimensional micro-displacement platform II (31) and a printing light source (32), wherein the three-dimensional micro-displacement platform II (31) is arranged above the container groove body (1), the printing light source (32) is arranged at the moving end of the three-dimensional micro-displacement platform II (31), and the three-dimensional micro-displacement platform II (31) is used for adjusting the displacement of the printing light source (32).
3. A color 3D printing apparatus according to claim 2, wherein: the printing light source (32) is an SLA printing light source or a DLP printing light source.
4. The color 3D printing apparatus according to claim 1, wherein: the thermosensitive color development system comprises a three-dimensional micro-displacement platform III (41) and a thermosensitive color development unit (42), wherein the three-dimensional micro-displacement platform III (41) is arranged above the container groove body (1), the thermosensitive color development unit (42) is arranged at the moving end of the three-dimensional micro-displacement platform III (41), and the three-dimensional micro-displacement platform III (41) is used for adjusting the displacement of the thermosensitive color development unit (42).
5. The color 3D printing apparatus according to claim 4, wherein: the thermal color development unit (42) comprises a printing head, and a plurality of semiconductor heating elements are arranged on the printing head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321577668.3U CN220661727U (en) | 2023-06-20 | 2023-06-20 | Colorful 3D printing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321577668.3U CN220661727U (en) | 2023-06-20 | 2023-06-20 | Colorful 3D printing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220661727U true CN220661727U (en) | 2024-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321577668.3U Active CN220661727U (en) | 2023-06-20 | 2023-06-20 | Colorful 3D printing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220661727U (en) |
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2023
- 2023-06-20 CN CN202321577668.3U patent/CN220661727U/en active Active
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