CN108081603B - Three-dimensional carbon powder laser printer - Google Patents
Three-dimensional carbon powder laser printer Download PDFInfo
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- CN108081603B CN108081603B CN201711372653.2A CN201711372653A CN108081603B CN 108081603 B CN108081603 B CN 108081603B CN 201711372653 A CN201711372653 A CN 201711372653A CN 108081603 B CN108081603 B CN 108081603B
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- laser
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- powder
- conductive glass
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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
- B33Y10/00—Processes of additive manufacturing
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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
Abstract
The invention belongs to the technical field of rapid forming, and particularly relates to a three-dimensional carbon powder laser printer. The printer comprises a computer control system and a 3D laser printing part, wherein the computer control system comprises a temperature control system, a laser control system and a powder bin movement control system; the 3D laser printing part comprises a laser emitting device and conductive glass, wherein toner powder bins are arranged on two sides of the conductive glass, the laser printing part also comprises a laser heating device and a workbench, and material powder bins are arranged on two sides of the workbench; the laser emitting device, the conductive glass, the laser heating device and the workbench are all connected with a computer control system. The printer can quickly print the model, has the function of replacing the shape graph of each layer, and can be used for not only printing and manufacturing the regular model but also processing irregular parts on the basis of ensuring the processing precision by using the 3D laser printing technology.
Description
Technical Field
The invention belongs to the technical field of rapid forming, and particularly relates to a three-dimensional carbon powder laser printer.
Background
With the rapid development of the social industry, the 3D printing technology has been closely related to the human life, is commonly used to make models in the fields of mold manufacturing, industrial design, etc., and is gradually used for direct processing of some products, and parts printed by the technology have been used in many places. And as they have been developed, 3D printing technology is beginning to be applied to the fields of jewelry, footwear, industrial design, architecture, AEC, automotive, dentistry, civil engineering, gun, etc.
The traditional 3D printing is a rapid forming device which is carried out by utilizing technologies such as photocuring, paper layer superposition and the like, the principle of the device is basically the same as that of a common printer, printing materials such as liquid or powder are filled in the device, and under the control of a computer system, a virtual blueprint on a computer is realized.
The existing 3D plastic spraying printer has entered the visual field of people, but has the defects of low printing speed, low precision and the like as a common ink-jet printer, and is difficult to meet the needs of people.
Disclosure of Invention
The invention aims to provide a three-dimensional carbon powder laser printer which overcomes the defects of low printing speed and low precision.
In order to realize the purpose, the invention adopts the following technical scheme:
the three-dimensional carbon powder laser printer comprises a computer control system and a 3D laser printing part, wherein the computer control system comprises a temperature control system, a laser control system and a powder bin movement control system; the 3D laser printing part is divided into an upper layer and a lower layer, the upper layer is a 3D data graph processing layer and comprises a laser emitting device and conductive glass, the laser emitting device comprises a point laser emitter and a surface laser emitter, toner powder bins are arranged on two sides of the conductive glass, the lower layer of the 3D laser printing part comprises a laser heating device and a workbench, and material powder bins are arranged on two sides of the workbench; the laser emitting device, the conductive glass, the laser heating device and the workbench are all connected with a computer control system.
Further, the table may move up and down.
Further, a hairbrush is attached to the lower portion of the toner powder bin.
The printing method of the three-dimensional carbon powder laser printer comprises the following steps:
(1) applying a computer programming technology, transversely dividing a model to be manufactured into a layer of shape graph, electrifying upper layer of conductive glass to fill the conductive glass with charges, controlling a point laser emitter in a laser emitting device to carry out laser irradiation through a laser control system, removing the unnecessary charges on the conductive glass after exposure according to the divided shape, and only leaving the required charges, so that an electrified latent image is formed on the conductive glass, operating a toner powder bin through a powder bin movement control system, contacting the conductive glass with the toner powder bin filled with toner powder, absorbing the toner on the part with the charges, and enabling the part without the charges to be blank and not to be absorbed to the toner, wherein the part forming the blank is the shape graph formed by the computer programming;
(2) the material powder storehouse of lower floor is controlled through powder storehouse mobility control system and is moved, evenly spread one deck material powder on lower floor's workstation, the face laser emitter among the laser emitter of control system control carries out laser irradiation through laser control system, laser passes through upper electrically conductive glass, see through the blank part and form prescribed shape, and heat through laser heating device, scan on lower floor's working plate, the material powder begins to carry out the sintering solidification according to prescribed shape, after the completion, the workstation descends one deck thickness, shop powder scanning once more and sintering solidification, until parts machining finishes.
Further, the material powder used in the step (2) is an SLS high polymer powder material.
Further, when the irregular model is processed, after the shape diagram of the previous layer is sintered and solidified, the movement of the toner powder bin is controlled by the powder bin movement control system, the brush below the toner powder bin brushes the residual toner on the conductive glass to two sides, then the electrification, the exposure and the toner spreading are carried out according to the shape diagram of the next step in the computer to form a required shape diagram, and the toner is manually recovered after the whole processing is finished.
Compared with the prior art, the invention has the beneficial effects that: the invention can quickly print the model, has the function of replacing the shape graph of each layer, ensures that the 3D laser printing technology can be used in the printing and manufacturing of the regular model and the processing of irregular parts on the basis of ensuring the processing precision, overcomes the defects of low printing speed and low precision, and meets higher requirements.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure, 1, a computer control system, 2, a laser emitting device, 3, conductive glass, 4, a toner powder bin, 5, a laser heating device, 6, a workbench and 7, a material powder bin.
Detailed Description
The present invention is further illustrated by the following specific examples.
The three-dimensional carbon powder laser printer comprises a computer control system 1 and a 3D laser printing part, wherein the computer control system comprises a temperature control system, a laser control system and a powder bin movement control system; the 3D laser printing part is divided into an upper layer and a lower layer, the upper layer is a 3D data graph processing layer and comprises a laser emitting device 2 and conductive glass 3, one laser emitting device comprises two laser emitters, one laser emitter is a point laser emitter and is responsible for outlining of part shape graphs, the other laser emitter is a surface laser emitter, the task is to process parts, toner powder bins 4 are arranged on two sides of the conductive glass 3, and brushes are pasted below the toner powder bins 4. The lower layer of the 3D laser printing part comprises a laser heating device 5 and a workbench 6, and two sides of the workbench 6 are provided with material powder bins 7; the laser emitting device 2, the conductive glass 3, the laser heating device 5 and the workbench 6 are all connected with the computer control system 1. The table 6 is movable up and down.
The use method of the printer comprises the following steps:
firstly, a model to be manufactured is transversely divided into a layer of shape graph by a computer programming technology, then an upper layer of conductive glass is connected with a power supply by a lead, the conductive glass is fully charged with electric charges while being electrified, a laser control system is arranged on the computer to control a point laser emitter in a laser emitting device to carry out laser irradiation, the unnecessary electric charges on the conductive glass are removed by exposure (namely, the electric charges at the position where the laser is not irradiated are reserved on an object fully charged with the electric charges in a laser irradiation mode, and the unnecessary electric charges are removed according to the divided shapes, only the required electric charges are reserved, so that a charged latent image is formed on the conductive glass, a toner bin movement control system operates a toner bin, the conductive glass is in contact with the toner bin filled with the toner, the part with the electric charges is absorbed with the toner, the discharged part is blank and will not adsorb the toner, and the blank part is the shape diagram formed by computer programming.
The material powder storehouse of lower floor is controlled through the computer and is moved, one deck material powder is spread on lower floor's working plate, the material powder that can select has SLS polymer powder material, the powder storehouse moves, evenly spread the material powder and spill on the working plate, through computer operation, use the face laser emitter among the laser emitter to carry out laser irradiation, laser passes through upper conductive glass, see through the blank, form prescribed shape, and heat in the laser heating device, make the laser that sees through the blank can reach the temperature that laser sintering technique needs, laser after the heating scans on lower floor's working plate, the material powder begins to sinter the solidification according to prescribed shape, after accomplishing, the workstation descends one deck thickness, shop powder scanning and sinter the solidification once more, until parts machining finishes.
If the irregular model is to be processed, after sintering and curing the shape diagram of the upper layer, cleaning the upper layer of electrified lens through a computer, controlling the movement of the powder bin by the computer, brushing the residual toner on the lens to two sides through a brush adhered to the lower surface of the powder bin, electrifying, exposing and spreading the toner according to the shape diagram of the next step in the computer to form a required shape diagram, and manually recovering the toner after the whole process is additionally completed.
Claims (6)
1. The three-dimensional carbon powder laser printer is characterized by comprising a computer control system (1) and a 3D laser printing part, wherein the computer control system comprises a temperature control system, a laser control system and a powder bin movement control system; the 3D laser printing part is divided into an upper layer and a lower layer, the upper layer is a 3D data graph processing layer and comprises a laser emitting device (2) and conductive glass (3), the laser emitting device (2) comprises a point laser emitter and a surface laser emitter, toner powder bins (4) are arranged on two sides of the conductive glass (3), the lower layer of the 3D laser printing part comprises a laser heating device (5) and a workbench (6), and material powder bins (7) are arranged on two sides of the workbench (6); the laser emitting device (2), the conductive glass (3), the laser heating device (5) and the workbench (6) are all connected with the computer control system (1).
2. The three-dimensional toner laser printer according to claim 1, wherein the table (6) is movable up and down.
3. The three-dimensional toner laser printer according to claim 1, wherein a brush is attached under the toner hopper (4).
4. The printing method of the three-dimensional carbon powder laser printer is characterized by comprising the following steps:
(1) applying a computer programming technology, transversely dividing a model to be manufactured into a layer of shape graph, electrifying upper layer of conductive glass to fill the conductive glass with charges, controlling a point laser emitter to perform laser irradiation through a laser control system, removing the unnecessary charges on the conductive glass after exposure according to the divided shape, and only leaving the required charges, so that an electrified latent image is formed on the conductive glass, operating a toner powder bin through a powder bin movement control system, contacting the conductive glass with the toner powder bin filled with toner powder, absorbing the toner on the part with charges, and enabling the part without charges to be blank and not to be absorbed to the toner, wherein the part forming the blank is the shape graph formed by the computer programming;
(2) the material powder storehouse of controlling the lower floor through powder storehouse mobility control system moves, evenly spread one deck material powder on lower floor's workstation, control surface laser emitter through laser control system carries out laser irradiation, laser passes through upper electrically conductive glass, see through the blank part and form prescribed shape, and heat through laser heating device, scan on lower floor's working plate, material powder begins to carry out sintering solidification according to prescribed shape, after the completion, the workstation descends one deck thickness, spread powder scanning and sintering solidification once more, until parts machining finishes.
5. The printing method of a three-dimensional carbon powder laser printer according to claim 4, wherein the material powder used in step (2) is SLS polymer powder material.
6. A printing method of a three-dimensional toner laser printer as claimed in claim 4, wherein when processing the irregular model, after sintering and curing the shape diagram of the previous layer, the movement of the toner hopper is controlled by the toner hopper movement control system, so that the brush under the toner hopper brushes the residual toner on the conductive glass to both sides, then according to the shape diagram of the next step in the computer, the electrification, exposure and toner spreading are performed to form the required shape diagram, and after the whole processing is completed, the toner is recovered manually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711372653.2A CN108081603B (en) | 2017-12-19 | 2017-12-19 | Three-dimensional carbon powder laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711372653.2A CN108081603B (en) | 2017-12-19 | 2017-12-19 | Three-dimensional carbon powder laser printer |
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| Publication Number | Publication Date |
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| CN108081603A CN108081603A (en) | 2018-05-29 |
| CN108081603B true CN108081603B (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711372653.2A Active CN108081603B (en) | 2017-12-19 | 2017-12-19 | Three-dimensional carbon powder laser printer |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108859109A (en) * | 2018-08-21 | 2018-11-23 | 珠海天威飞马打印耗材有限公司 | three-dimensional printer and its working method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6376148B1 (en) * | 2001-01-17 | 2002-04-23 | Nanotek Instruments, Inc. | Layer manufacturing using electrostatic imaging and lamination |
| CN105500720A (en) * | 2016-01-29 | 2016-04-20 | 吉林大学 | 3D printing method suitable for multiple materials and multiple processes and used printing device |
| WO2017091005A1 (en) * | 2015-11-27 | 2017-06-01 | 한국기계연구원 | Three-dimensional shape manufacturing device and manufacturing method, which use laser and powder |
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2017
- 2017-12-19 CN CN201711372653.2A patent/CN108081603B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6376148B1 (en) * | 2001-01-17 | 2002-04-23 | Nanotek Instruments, Inc. | Layer manufacturing using electrostatic imaging and lamination |
| WO2017091005A1 (en) * | 2015-11-27 | 2017-06-01 | 한국기계연구원 | Three-dimensional shape manufacturing device and manufacturing method, which use laser and powder |
| CN105500720A (en) * | 2016-01-29 | 2016-04-20 | 吉林大学 | 3D printing method suitable for multiple materials and multiple processes and used printing device |
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| CN108081603A (en) | 2018-05-29 |
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