CN115519137A - 3D printer using metal powder as raw material - Google Patents
3D printer using metal powder as raw material Download PDFInfo
- Publication number
- CN115519137A CN115519137A CN202211230654.4A CN202211230654A CN115519137A CN 115519137 A CN115519137 A CN 115519137A CN 202211230654 A CN202211230654 A CN 202211230654A CN 115519137 A CN115519137 A CN 115519137A
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- China
- Prior art keywords
- fixedly connected
- printer
- metal powder
- laser printing
- hose
- 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.)
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- 239000002184 metal Substances 0.000 title claims abstract description 20
- 239000000843 powder Substances 0.000 title claims abstract description 20
- 239000002994 raw material Substances 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000003860 storage Methods 0.000 claims abstract description 32
- 238000007648 laser printing Methods 0.000 claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000005086 pumping Methods 0.000 claims abstract description 12
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000007480 spreading Effects 0.000 claims description 4
- 238000003892 spreading Methods 0.000 claims description 4
- 238000007639 printing Methods 0.000 abstract description 20
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/20—Cooling means
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
Abstract
The invention provides a 3D printer taking metal powder as a raw material, and relates to the technical field of 3D printers. This use 3D printer of metal powder as raw materials, including the laser printing platform, the laser printing platform sliding connection is inside the mounting groove, mounting groove diapire middle part fixedly connected with servo cylinder, servo cylinder output fixed connection is in laser printing platform diapire middle part, the inside fixedly connected with heat exchange tube of laser printing platform diapire, heat exchange tube input fixedly connected with pumping hose. Through starting the suction pump, the suction pump work is taken water storage intracavity portion rivers back through the hose that draws water out, and input heat exchange tube is inside, contacts through heat exchange tube and laser printing platform and absorbs the attached heat of laser printing platform upside printing piece, later carries the hot water to water storage intracavity portion through the hose of intaking to accomplish the rapid cooling to printing piece, improved the printing efficiency of 3D printer greatly.
Description
Technical Field
The invention relates to the technical field of 3D printers, in particular to a 3D printer taking metal powder as a raw material.
Background
The 3D printer, that is, a machine of a rapid prototyping technology, is a technology for constructing an object by using a bondable material such as a powdered metal and by using a digital model file and by using a laser sintering layer-by-layer printing method, and has been used for manufacturing models in the fields of mold manufacturing, industrial design, and the like, and is being used for direct manufacturing of some products, which means that the technology is being popularized, the 3D printer has a large number of models, and a model manufactured by using a 3D printer using a metal powder as a raw material has the advantages of high precision and high strength.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a 3D printer taking metal powder as a raw material, and solves the problem that the printing efficiency of the printer is too low because the temperature of a printed part after being printed by the 3D printer is often higher and the printed part cannot be taken out at the first time.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: A3D printer taking metal powder as a raw material comprises a workbench, wherein a shell is fixedly connected to the periphery of the top wall of the workbench, and a rapid cooling mechanism is arranged inside the workbench;
quick cooling mechanism includes the laser printing platform, laser printing platform sliding connection is inside the mounting groove, mounting groove diapire middle part fixedly connected with servo cylinder, servo cylinder output fixed connection is at laser printing platform diapire middle part, the inside fixedly connected with heat exchange tube of laser printing platform diapire, heat exchange tube input fixedly connected with pumping hose, pumping hose runs through and fixed connection mounting groove diapire left side, heat exchange tube output fixedly connected with water hose, water hose runs through and fixed connection mounting groove diapire right side, the inside mounting groove downside of workstation is provided with the water storage chamber, the inside right side of workstation is provided with the heat dissipation chamber, heat dissipation chamber right side wall middle part is provided with the air exhauster, heat dissipation chamber left side wall passes through the exhaust column and connects the water storage chamber.
Preferably, the hose output of intaking all is located the water storage intracavity side with the hose input of drawing water, water storage chamber left side wall top runs through and fixedly connected with ventilation pipe, the inside check valve that is provided with of ventilation pipe, check valve fixed connection is inside the workstation, the hose middle part of intaking is provided with the suction pump.
Preferably, the left part of the rear wall inside the casing is fixedly connected with an electric sliding table, the front side of the output end of the electric sliding table is fixedly connected with a connecting block, and the bottom of the connecting block is fixedly connected with a connecting plate.
Preferably, the middle part of the bottom wall of the connecting plate is rotatably connected with a material spreading roller.
Preferably, the left side and the right side of the laser printing table on the top wall of the workbench are fixedly connected with fixing discs, and the middle part of the top wall of the inner side of the casing is fixedly connected with a laser assembly.
Preferably, the right side of the front wall of the casing is fixedly connected with a control panel, and a plurality of groups of control keys are arranged on the lower part of the front side of the control panel.
Preferably, the left part and the right part of the front wall of the machine shell are connected with a machine door in a rotating mode through rotating shafts, and the middle upper portion of the front wall of the machine door is provided with an observation window.
Preferably, an insertion opening is formed in one side, close to the middle of the machine door, of the middle of the machine door, a telescopic cylinder is fixedly connected to the outer portion Zhou Jun behind the insertion opening, and protective gloves are fixedly connected to the rear end of the telescopic cylinder.
The working principle is as follows: after the 3D printer is printed and is accomplished, through starting the suction pump, the suction pump work is taken water storage intracavity portion rivers back out through the hose that draws water, input heat exchange tube is inside, absorb the attached heat of laser printing bench side printing piece through heat exchange tube and laser printing bench contact, later carry the hot water to water storage intracavity portion through the hose of intaking, thereby accomplish the rapid cooling to the printing piece, just can take out after making printing piece print the completion and carry out next printing, 3D printer's printing efficiency has been improved greatly, simultaneously through starting the air exhauster, the air of water storage intracavity portion is taken out through the exhaust column to the air exhauster during operation, thereby accelerate water storage intracavity portion air flow rate when taking water storage intracavity portion inside heat out, thereby make the quick cooling of water storage intracavity portion moisture, make its cooling that can supply with next printing piece use, 3D printer's practicality has been improved greatly.
(III) advantageous effects
The invention provides a 3D printer taking metal powder as a raw material. The method has the following beneficial effects:
1. according to the invention, after the 3D printer finishes printing, the water pump is started, water flow in the water storage cavity is pumped out by the work of the water pump through the water pumping hose and then is input into the heat exchange pipe, the heat exchange pipe is contacted with the laser printing table to absorb heat attached to a printed piece on the upper side of the laser printing table, and then hot water is conveyed into the water storage cavity through the water inlet hose, so that the printed piece is quickly cooled, the printed piece can be taken out for next printing after printing is finished, and the printing efficiency of the 3D printer is greatly improved.
2. According to the invention, the exhaust fan is started, and when the exhaust fan works, air in the water storage cavity is pumped by the exhaust pipe, so that the heat in the water storage cavity is pumped out, and meanwhile, the air flow rate in the water storage cavity is accelerated, therefore, the moisture in the water storage cavity is rapidly cooled, the water storage cavity can be used for cooling a next printed piece, and the practicability of the 3D printer is greatly improved.
Drawings
FIG. 1 is a front perspective view of the present invention;
FIG. 2 is a perspective view of the front view of the internal structure of the present invention;
FIG. 3 is an enlarged view of the point A in FIG. 2;
FIG. 4 is a schematic diagram of a portion of a front view of the internal structure of the present invention;
fig. 5 is an enlarged view of B in fig. 4.
Wherein, 1, a workbench; 2. a rapid cooling mechanism; 3. a housing; 4. a control panel; 5. a control key; 6. a machine door; 7. a rotating shaft; 8. an observation window; 9. an insertion opening; 10. a telescopic cylinder; 11. protective gloves; 12. a laser assembly; 13. an electric sliding table; 14. connecting blocks; 15. a connecting plate; 16. paving a material roller; 17. fixing the disc; 18. a laser printing table; 19. a heat exchange tube; 20. a servo cylinder; 21. mounting grooves; 22. a heat dissipation cavity; 23. a water pumping hose; 24. a water storage cavity; 25. a water inlet hose; 26. an exhaust fan; 27. an exhaust pipe; 28. a water pump; 29. a one-way valve; 30. and a vent pipe.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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 (b):
as shown in fig. 1-5, an embodiment of the present invention provides a 3D printer using metal powder as a raw material, including a workbench 1, a housing 3 fixedly connected to the periphery of the top wall of the workbench 1, and a rapid cooling mechanism 2 arranged inside the workbench 1;
After the completion is printed at the 3D printer, through starting suction pump 28, the back is taken out through the hose 23 that draws water with 24 inside rivers in water storage chamber to the work of suction pump 28, 19 inside input heat exchange tubes, 18 contact absorption laser printing platform 18 upside through heat exchange tubes 19 and laser printing platform and print the subsidiary heat of piece, later carry the hot water to 24 insides in water storage chamber through water inlet hose 25, thereby accomplish the rapid cooling to the printed piece, make printed piece print just can take out after the completion and print next time and print, the printing efficiency of 3D printer has been improved greatly.
The output end of the water inlet hose 25 and the input end of the water pumping hose 23 are both located on the inner side of the water storage cavity 24, the top of the left wall of the water storage cavity 24 is penetrated and fixedly connected with a ventilation pipe 30, a one-way valve 29 is arranged inside the ventilation pipe 30, the one-way valve 29 is fixedly connected inside the workbench 1, and a water pumping pump 28 is arranged in the middle of the water inlet hose 25.
The one-way valve 29 is arranged to allow air to enter the inside of the water storage cavity 24 through the ventilation pipe 30 while preventing water from overflowing from the inside of the water storage cavity 24.
The electronic slip table 13 of wall left part fixedly connected with behind the casing 3 inboard, electronic slip table 13 output front side fixedly connected with connecting block 14, connecting block 14 bottom fixedly connected with connecting plate 15.
The connecting block 14 and the connecting plate 15 are moved by moving the output end inside the electric sliding table 13 left and right.
The middle part of the bottom wall of the connecting plate 15 is rotatably connected with a material spreading roller 16.
The spreading roller 16 can spread the metal powder on the upper side of the fixed disc 17 to the upper side of the laser printing table 18 in the moving process.
The left side and the right side of a laser printing table 18 on the top wall of the working table 1 are fixedly connected with fixed discs 17, and the middle part of the top wall on the inner side of the machine shell 3 is fixedly connected with a laser component 12.
The laser assembly 12 is the main assembly for printing in the 3D printer, and the fixed disk 17 bears metal powder for printing on the upper side.
The right side of the front wall of the casing 3 is fixedly connected with a control panel 4, and the lower part of the front side of the control panel 4 is provided with a plurality of groups of control keys 5.
The shape and size of the printed matter to be printed are edited by the control panel 4.
The left part and the right part of the front wall of the machine shell 3 are rotatably connected with a machine door 6 through a rotating shaft 7, and the middle upper part of the front wall of the machine door 6 is provided with an observation window 8.
The staff can observe the internal printing condition at any time by arranging the observation window 8.
An insertion opening 9 is formed in the middle of the machine door 6 close to one side, a telescopic cylinder 10 is fixedly connected to the periphery of the rear side of the insertion opening 9, and protective gloves 11 are fixedly connected to the rear end of the telescopic cylinder 10.
The printing material inside the casing 3 can be taken out by inserting a hand into the protective glove 11 from the insertion opening 9, thereby avoiding scalding.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an use 3D printer of metal powder as raw materials, includes workstation (1), its characterized in that: the outer periphery of the top wall of the workbench (1) is fixedly connected with a shell (3), and a rapid cooling mechanism (2) is arranged in the workbench (1);
quick cooling mechanism (2) are including laser printing platform (18), inside laser printing platform (18) sliding connection is in mounting groove (21), mounting groove (21) diapire middle part fixedly connected with servo cylinder (20), servo cylinder (20) output end fixed connection is in laser printing platform (18) diapire middle part, the inside fixedly connected with heat exchange tube (19) of laser printing platform (18) diapire, heat exchange tube (19) input end fixed connection has pumping hose (23), pumping hose (23) run through and fixed connection mounting groove (21) diapire left side, heat exchange tube (19) output end fixed connection has water hose (25), water hose (25) run through and fixed connection mounting groove (21) diapire right side, workstation (1) inside mounting groove (21) downside is provided with water storage chamber (24), workstation (1) inside right side is provided with heat dissipation chamber (22), heat dissipation chamber (22) right side wall middle part is provided with air exhauster (26), heat dissipation chamber (22) left side wall passes through pumping pipe (27) and connects water storage chamber (24).
2. The 3D printer using metal powder as raw material according to claim 1, wherein: intake hose (25) output and water suction hose (23) input all are located water storage chamber (24) inboardly, water storage chamber (24) left side wall top runs through and fixedly connected with ventilation pipe (30), ventilation pipe (30) inside is provided with check valve (29), check valve (29) fixed connection is inside workstation (1), intake hose (25) middle part is provided with suction pump (28).
3. The 3D printer using metal powder as raw material according to claim 1, wherein: casing (3) inboard back wall left part fixedly connected with electronic slip table (13), electronic slip table (13) output front side fixedly connected with connecting block (14), connecting block (14) bottom fixedly connected with connecting plate (15).
4. The 3D printer of claim 3, wherein the metal powder is used as a raw material, and the printer comprises: the middle part of the bottom wall of the connecting plate (15) is rotatably connected with a material spreading roller (16).
5. The 3D printer using metal powder as raw material according to claim 1, wherein: the laser printing table is characterized in that a fixing disc (17) is fixedly connected to the left side and the right side of a laser printing table (18) on the top wall of the working table (1), and a laser component (12) is fixedly connected to the middle of the top wall of the inner side of the machine shell (3).
6. The 3D printer using metal powder as raw material according to claim 1, wherein: casing (3) antetheca right side fixedly connected with control panel (4), control panel (4) front side lower part is provided with multiunit control button (5).
7. The 3D printer using metal powder as raw material according to claim 1, wherein: the left part and the right part of the front wall of the shell (3) are rotatably connected with a machine door (6) through a rotating shaft (7), and an observation window (8) is arranged at the middle upper part of the front wall of the machine door (6).
8. The 3D printer of claim 7, wherein the metal powder is used as a raw material, and the printer comprises: the machine door is characterized in that an insertion opening (9) is formed in the middle of the machine door (6) and is close to one side, a telescopic cylinder (10) is fixedly connected to the periphery of the rear side of the insertion opening (9), and protective gloves (11) are fixedly connected to the rear end of the telescopic cylinder (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211230654.4A CN115519137A (en) | 2022-10-10 | 2022-10-10 | 3D printer using metal powder as raw material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211230654.4A CN115519137A (en) | 2022-10-10 | 2022-10-10 | 3D printer using metal powder as raw material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115519137A true CN115519137A (en) | 2022-12-27 |
Family
ID=84702284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211230654.4A Pending CN115519137A (en) | 2022-10-10 | 2022-10-10 | 3D printer using metal powder as raw material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115519137A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117656204A (en) * | 2023-12-13 | 2024-03-08 | 合肥巨隆通风设备有限责任公司 | A3D printing device for flue |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101872213B1 (en) * | 2017-02-24 | 2018-06-28 | (주)센트롤 | Three-dimensional printer |
| CN210590591U (en) * | 2019-08-22 | 2020-05-22 | 华融普瑞(北京)科技有限公司 | Printer shower nozzle heat sink |
| CN210702380U (en) * | 2019-11-09 | 2020-06-09 | 青岛宜泰源铸造材料有限公司 | 3D printing equipment for manufacturing precoated sand core |
| CN211994226U (en) * | 2020-05-07 | 2020-11-24 | 邓州市康硕智能制造有限公司 | Circulating cooling device for 3D printer |
| CN112060578A (en) * | 2020-09-04 | 2020-12-11 | 佘峰 | 3D printing apparatus cooling device |
| CN212808912U (en) * | 2020-09-30 | 2021-03-26 | 成都格杰思特科技有限公司 | Printer powder box apparatus for producing |
| CN215283382U (en) * | 2021-06-25 | 2021-12-24 | 苏州六三二八光电科技有限公司 | 3D printer heat abstractor |
| CN216400578U (en) * | 2021-10-15 | 2022-04-29 | 杭州喜马拉雅信息科技有限公司 | 3D prints with product shaping rapid cooling device |
-
2022
- 2022-10-10 CN CN202211230654.4A patent/CN115519137A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101872213B1 (en) * | 2017-02-24 | 2018-06-28 | (주)센트롤 | Three-dimensional printer |
| CN210590591U (en) * | 2019-08-22 | 2020-05-22 | 华融普瑞(北京)科技有限公司 | Printer shower nozzle heat sink |
| CN210702380U (en) * | 2019-11-09 | 2020-06-09 | 青岛宜泰源铸造材料有限公司 | 3D printing equipment for manufacturing precoated sand core |
| CN211994226U (en) * | 2020-05-07 | 2020-11-24 | 邓州市康硕智能制造有限公司 | Circulating cooling device for 3D printer |
| CN112060578A (en) * | 2020-09-04 | 2020-12-11 | 佘峰 | 3D printing apparatus cooling device |
| CN212808912U (en) * | 2020-09-30 | 2021-03-26 | 成都格杰思特科技有限公司 | Printer powder box apparatus for producing |
| CN215283382U (en) * | 2021-06-25 | 2021-12-24 | 苏州六三二八光电科技有限公司 | 3D printer heat abstractor |
| CN216400578U (en) * | 2021-10-15 | 2022-04-29 | 杭州喜马拉雅信息科技有限公司 | 3D prints with product shaping rapid cooling device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117656204A (en) * | 2023-12-13 | 2024-03-08 | 合肥巨隆通风设备有限责任公司 | A3D printing device for flue |
| CN117656204B (en) * | 2023-12-13 | 2024-04-30 | 合肥巨隆通风设备有限责任公司 | A3D printing device for flue |
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