CN204712473U - A kind of negative G 3D printer - Google Patents
A kind of negative G 3D printer Download PDFInfo
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- CN204712473U CN204712473U CN201520419205.3U CN201520419205U CN204712473U CN 204712473 U CN204712473 U CN 204712473U CN 201520419205 U CN201520419205 U CN 201520419205U CN 204712473 U CN204712473 U CN 204712473U
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- printhead
- print platform
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- supply unit
- printer
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Abstract
The utility model belongs to 3D printing technique field, particularly relate to a kind of negative G 3D printer, comprise at least one printhead, print platform, control the first displacement mechanism of described printhead movement, control second moving mechanism and the feedstock supply unit of described print platform movement, described printhead is arranged at the below of described print platform, described printhead comprises the extrusion device and nozzle with heating function, the raw material supply of described feedstock supply unit is to the entrance point of described extrusion device, hot-extrudable by adding, upwards spray from nozzle and be printed on print platform.Because printhead is arranged on below print platform, raw material weeping can not occur, the utility model is when colour print, and the color of printed product changes boundary clear, and appearance is good.
Description
Technical field
The utility model belongs to 3D printing technique field, particularly relates to a kind of negative G 3D printer.
Background technology
3D printer is the rapid Design and forming technique that the eighties in 20th century, Later development got up.At present, the application of 3D printer in industry and daily life gets more and more.The printhead of existing 3D printer is all arranged on above print platform, and during printing, raw material layering from top to bottom close to print platform, then is printed on print platform by printhead by printhead.When existing 3D printer prints, strictly will control the water clock of raw material, because raw material is generally through thermoplastic process when printing, because printhead is arranged down, raw material can downward water clock under self gravitation effect.Print if monochromatic, the phenomenon of this water clock can not cause large impact to the quality of printed product, if colour print, generally weeping occurs, the colo(u)r breakup boundary line of printed product will be made unclear, the serious outward appearance that also can affect printed product.
Utility model content
The purpose of this utility model is to provide a kind of negative G 3D printer for the deficiencies in the prior art, because printhead is arranged on below print platform, raw material weeping can not occur, overcome the deficiencies in the prior art.
A kind of negative G 3D printer, comprise at least one printhead, print platform, the first displacement mechanism of control described printhead movement, the second moving mechanism controlling described print platform movement and feedstock supply unit, described printhead is arranged at the below of described print platform, described printhead comprises the extrusion device and nozzle with heating function, the raw material supply of described feedstock supply unit is to the entrance point of described extrusion device, hot-extrudable by adding, upwards spray from nozzle and be printed on print platform.
The material outlet direction of described printhead and the angle of described print platform are 80 ° ~ 110 °.
The material outlet direction of described printhead and the angle of described print platform are 90 °.
The quantity of described printhead is provided with several, and some described printheads all control mobile by a set of described first displacement mechanism, and each described printhead is independent to be connected with feedstock supply unit.
The quantity of described printhead is provided with several, and each described printhead controls mobile respectively by a set of described first displacement mechanism, and each described printhead is independent to be connected with feedstock supply unit.
The beneficial effects of the utility model: because printhead is arranged on below print platform, raw material weeping can not occur, the utility model is when colour print, and the color of printed product changes boundary clear, and appearance is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of the negative G 3D printer of the utility model embodiment 1.
Fig. 2 is the structural representation of the negative G 3D printer of the utility model embodiment 2,3.
Comprise in fig. 1 and 2: 1---printhead, 11---nozzle, 12---extrusion device, 2---print platform.
Detailed description of the invention
Embodiment 1
See Fig. 1, a kind of negative G 3D printer, comprise a printhead 1, print platform 2, the first displacement mechanism (not shown in FIG.) controlling printhead 1 movement, the second moving mechanism (not shown in FIG.) controlling print platform 2 movement and feedstock supply unit, printhead 1 is arranged at the below of print platform 2, printhead 1 comprises the extrusion device 12 and nozzle 11 with heating function, the raw material supply of feedstock supply unit is to the entrance point of extrusion device 12, hot-extrudable by adding, upwards spray from nozzle 11 and be printed on print platform 2.
The material outlet direction of printhead 1 and the angle of print platform 2 are 80 ° ~ 110 °.
Preferably, the material outlet direction of printhead 1 and the angle of print platform 2 are 90 °, ensure the quality of printed product.
In the present embodiment, the quantity of printhead 1 is provided with one, and printhead 1 controls mobile by a set of first displacement mechanism, and printhead is independent to be connected with feedstock supply unit.This negative G 3D printer is used for carrying out monochrome and prints.
Embodiment 2
See Fig. 2, a kind of negative G 3D printer, comprise some printheads 1, print platform 2, the first displacement mechanism (not shown in FIG.) controlling printhead 1 movement, the second moving mechanism (not shown in FIG.) controlling print platform 2 movement and feedstock supply unit, printhead 1 is arranged at the below of print platform 2, printhead 1 comprises the extrusion device 12 and nozzle 11 with heating function, the raw material supply of feedstock supply unit is to the entrance point of extrusion device 12, hot-extrudable by adding, upwards spray from nozzle 11 and be printed on print platform 2.
The material outlet direction of printhead 1 and the angle of print platform 2 are 80 ° ~ 110 °.
Preferably, the material outlet direction of printhead 1 and the angle of print platform 2 are 90 °, ensure the quality of printed product.
In the present embodiment, the quantity of printhead 1 is provided with several, and each printhead 1 all controls mobile by a set of first displacement mechanism, and printhead is independent to be connected with feedstock supply unit.This negative G 3D printer is used for carrying out colour print.
Embodiment 3
See Fig. 2, a kind of negative G 3D printer, comprise some printheads 1, print platform 2, the first displacement mechanism (not shown in FIG.) controlling printhead 1 movement, the second moving mechanism (not shown in FIG.) controlling print platform 2 movement and feedstock supply unit, printhead 1 is arranged at the below of print platform 2, printhead 1 comprises the extrusion device 12 and nozzle 11 with heating function, the raw material supply of feedstock supply unit is to the entrance point of extrusion device 12, hot-extrudable by adding, upwards spray from nozzle 11 and be printed on print platform 2.
The material outlet direction of printhead 1 and the angle of print platform 2 are 80 ° ~ 110 °.
Preferably, the material outlet direction of printhead 1 and the angle of print platform 2 are 90 °, ensure the quality of printed product.
In the present embodiment, the quantity of printhead 1 is provided with several, and each printhead 1 controls mobile respectively by a set of first displacement mechanism, and printhead is independent to be connected with feedstock supply unit.This negative G 3D printer is used for carrying out colour print.
Method of printing of the present utility model, its step comprises:
The first step, sets up 3D rendering, carries out slicing treatment, and calculate scanning pattern by discrete program;
Second step, the print command that displacement mechanism sends according to control device, controls printhead and carries out the movement of X-axis, Y-axis and Z-direction, printhead by lower and on close to print platform, until printhead moves to the set print position of program;
3rd step, raw material supply to extrusion device, is sprayed by nozzle after extrusion device process by feedstock supply unit again, and raw material layering is printed on print platform.
In print procedure, to carry out colour print, after a kind of printhead prints of color completes, the printhead that programme-control is switched to another kind of color continues to print, and multiple printhead carries out intersecting according to the setting of program, reciprocal printing.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change above-mentioned embodiment and revise.Therefore, the utility model is not limited to above-mentioned detailed description of the invention, and any apparent improvement of every those skilled in the art done by basis of the present utility model, replacement or modification all belong to protection domain of the present utility model.In addition, although employ some specific terms in this description, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (5)
1. a negative G 3D printer, comprise at least one printhead, print platform, the first displacement mechanism of control described printhead movement, the second moving mechanism controlling described print platform movement and feedstock supply unit, it is characterized in that: described printhead is arranged at the below of described print platform, described printhead comprises the extrusion device and nozzle with heating function, the raw material supply of described feedstock supply unit is to the entrance point of described extrusion device, hot-extrudable by adding, upwards spray from nozzle and be printed on print platform.
2. negative G 3D printer according to claim 1, is characterized in that: the material outlet direction of described printhead and the angle of described print platform are 80 ° ~ 110 °.
3. negative G 3D printer according to claim 2, is characterized in that: the material outlet direction of described printhead and the angle of described print platform are 90 °.
4. negative G 3D printer according to claim 1, it is characterized in that: the quantity of described printhead is provided with several, some described printheads all control mobile by a set of described first displacement mechanism, and each described printhead is independent to be connected with feedstock supply unit.
5. negative G 3D printer according to claim 1, it is characterized in that: the quantity of described printhead is provided with several, each described printhead controls mobile respectively by a set of described first displacement mechanism, and each described printhead is independent to be connected with feedstock supply unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520419205.3U CN204712473U (en) | 2015-06-17 | 2015-06-17 | A kind of negative G 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520419205.3U CN204712473U (en) | 2015-06-17 | 2015-06-17 | A kind of negative G 3D printer |
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| Publication Number | Publication Date |
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| CN204712473U true CN204712473U (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520419205.3U Active CN204712473U (en) | 2015-06-17 | 2015-06-17 | A kind of negative G 3D printer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999667A (en) * | 2015-06-17 | 2015-10-28 | 徐一琦 | Negative gravity 3D printer and printing method thereof |
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2015
- 2015-06-17 CN CN201520419205.3U patent/CN204712473U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999667A (en) * | 2015-06-17 | 2015-10-28 | 徐一琦 | Negative gravity 3D printer and printing method thereof |
| WO2016201784A1 (en) * | 2015-06-17 | 2016-12-22 | 徐一琦 | Negative gravity 3d printer and printing method thereof |
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| GR01 | Patent grant |