CN203820889U - SLM (selective laser melting) powder laying and atmosphere circulation protection integrated device - Google Patents
SLM (selective laser melting) powder laying and atmosphere circulation protection integrated device Download PDFInfo
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- CN203820889U CN203820889U CN201420235531.4U CN201420235531U CN203820889U CN 203820889 U CN203820889 U CN 203820889U CN 201420235531 U CN201420235531 U CN 201420235531U CN 203820889 U CN203820889 U CN 203820889U
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- 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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Abstract
The utility model belongs to the technical field of powder processing prototypingand relates to an SLM (selective laser melting) powder laying and atmosphere circulation protection integrated device. A laser path system is arranged at the upper end of a metal sealed cabin; a powder filter is arranged at one end of the metal sealed cabin, and a powder nozzle is arranged at the other end; an oxygen filter is communicated with the powder filter; a first three-way gas valve is connected with the oxygen filter, a powder storage tank and a circulating pump respectively; the powder storage tank is connected with a powder roller, and a second three-way gas valve is connected with the circulating pump, an inert gas source and a gas heater respectively; the powder roller and the gas heater are communicated with the powder nozzle respectively; a powder scraper is manufactured at the bottom on the inner side of the metal sealed cabin and connected with an inert gas discharge port; a working table is manufactured at the bottom of the metal sealed cabin, and a lead screw rotating table is manufactured at the lower part of the working table; and a central control system is communicated with an oxygen content sensor, a humidity sensor and a pressure sensor respectively. The device is simple in structure, small in occupied inner space, high in integrity, convenient to maintain and high in efficiency.
Description
Technical field:
The utility model belongs to powder processing field shaping technique, relates to a kind of selective laser melting paving powder and atmosphere recycling-guard integrated apparatus, particularly a kind of paving powder of the selective laser melting based on powderject technology and atmosphere recycling-guard integral system.
Background technology:
Selective laser melting SLM is a kind of method of metalwork straight forming, it is the recent development of rapid shaping technique, the basic thought of this technology based on rapid shaping, " increment " manufacture of i.e. successively cladding, there is the part of geometry in particular according to three-dimensional CAD model straight forming, in moulding process, technology powder melts completely, produces metallurgical binding.Adopt the metal parts of the shape and structure complexity that traditional mechanical processing tools cannot directly manufacture, it is one of main direction of rapid laser-shaping technique application, have the following advantages: the one, can directly manufacture high-quality metal product, need not any aftertreatment technology or simple surface treatment, select directly to process the part that can directly use by simple CAD moulding and material, greatly shortened product development cycle; The 2nd, can obtain having the entity of nonequilibrium state supersaturated solid solution and even tiny metallographic structure, density almost can reach 100%, and part machinery performance is suitable with forging process gained; The 3rd, use and there is the laser apparatus of high power density, with the very little laser beam processing metal of hot spot, the metal parts that makes to process has good surfaceness of very high dimensional precision; The 4th, because laser spot diameter is very little, therefore can melt dystectic metal with lower power, making becomes possibility with the old finished parts of metal-powder of single component, and the metal-powder kind that can Gong select has also been widened greatly; The 5th, be applicable to the workpiece of various complicated shapes, being especially applicable to inside has complicated different in nature structure, as hollow, 3D grid and the complex part that cannot manufacture by traditional method.But all selective laser melting SLM equipment all adopted and scraped powder formula powder feed system present stage, its system complex and equipment cost are high, shared internal space affects light path design and part making space, and powder scraping sheet can hinder the lay of new bisque, is unfavorable for suitability for industrialized production.
Summary of the invention:
Goal of the invention of the present utility model is to overcome the shortcoming that prior art exists; seek design a kind of paving powder of the selective laser melting based on powderject technology and atmosphere recycling-guard integrated apparatus are provided; gas-circulating system is combined with powder spray system; realize the integrated of protection of inert gas and the quick lay of powder; reduce the consumption of rare gas element; realize the layering lay of even fixed thickness, simplify the selective laser melting paving powder system of existing complexity, reduce equipment cost.
To achieve these goals, agent structure of the present utility model comprises metallic seal cabin, laser light path system, Powdex filter, oxygen filter, the first three-dimensional air valve, storage powder tank, recycle pump, powder running roller, powder jet, powder-wiping plate, rare gas element discharge outlet, worktable, leading screw turntable, inert gas source, gas heater, the second three-dimensional air valve, the first pipeline, second pipe, master control system, oxygen level sensor, humidity sensor and pressure transmitter; Wherein store up powder tank, powder running roller, inert gas source, gas heater and the second three-dimensional air valve communication type and constitute paving powder system; Powdex filter, oxygen filter, powder jet, the first pipeline and second pipe communication type constitute the protective atmosphere recycle system; The upper end in metallic seal cabin is installed and is equipped with laser light path system; One end communication type in metallic seal cabin is installed and is equipped with Powdex filter, and the other end is equipped with rectangular powder jet; Powdex filter is communicated with one end of oxygen filter by the first pipeline, and the other end of oxygen filter is communicated with an interface of the first three-dimensional air valve; Another two interfaces of the first three-dimensional air valve are connected with one end of storage powder tank and recycle pump respectively; Between the first three-dimensional air valve and recycle pump, be communicated with by second pipe; The other end connection of storage powder tank is shaped with powder running roller, and the other end of recycle pump is connected with an interface of the second three-dimensional air valve, and another two interfaces of the second three-dimensional air valve are connected with respectively inert gas source and gas heater; Powder running roller and gas heater are communicated with powder jet respectively; A side bottom that is shaped with powder jet in metallic seal cabin is shaped with powder-wiping plate, and a side connection of powder-wiping plate is shaped with rare gas element discharge outlet; The bottom in metallic seal cabin is shaped with worktable, and worktable bottom is shaped with the leading screw turntable that drives its work; Master control system is controlled with oxygen level sensor, humidity sensor and pressure transmitter electricity information communication the realization of stretching into metallic seal cabin respectively.
The utility model compared with prior art; it is simple in structure; the paving part shared internal space of system is little, and device integration is high, easy to maintenance; efficiency is high; paving powder success ratio is high, and protective atmosphere recycle system integrated pressure, oxygen level and humidity sensor, can realize below oxygen level 1PPM; selective laser melting process below water-content 3PPM, for miniaturization and the industrialization of follow-up equipment create conditions.
Brief description of the drawings:
Fig. 1 is agent structure principle schematic of the present utility model.
Embodiment:
Also by reference to the accompanying drawings the utility model is described further below by specific embodiment.
Embodiment:
The agent structure of the present embodiment comprises metallic seal cabin 1, laser light path system 2, Powdex filter 3, oxygen filter 4, the first three-dimensional air valve 5, storage powder tank 6, recycle pump 7, powder running roller 8, powder jet 9, powder-wiping plate 10, rare gas element discharge outlet 11, worktable 12, leading screw turntable 13, inert gas source 14, gas heater 15, the second three-dimensional air valve 16, the first pipeline 17, second pipe 18, master control system 19, oxygen level sensor 20, humidity sensor 21 and pressure transmitter 22, wherein store up powder tank 6, powder running roller 8, inert gas source 14, gas heater 15 and the second three-dimensional air valve 16 communication types and constitute paving powder system, Powdex filter 3, oxygen filter 4, powder jet 9, the first pipeline 17 and second pipe 18 communication types constitute the protective atmosphere recycle system, the upper end in metallic seal cabin 1 is installed and is equipped with laser light path system 2, one end communication type in metallic seal cabin 1 is installed and is equipped with Powdex filter 3, and the other end is equipped with rectangular powder jet 9, Powdex filter 2 is communicated with one end of oxygen filter 4 by the first pipeline 17, and the other end of oxygen filter 4 is communicated with an interface of the first three-dimensional air valve 5, another two interfaces of the first three-dimensional air valve 5 are connected with one end of storage powder tank 6 and recycle pump 7 respectively, between the first three-dimensional air valve 5 and recycle pump 7, be communicated with by second pipe 18, the other end connection of storage powder tank 6 is shaped with powder running roller 8, and the other end of recycle pump 7 is connected with an interface of the second three-dimensional air valve 16, and another two interfaces of the second three-dimensional air valve 16 are connected with respectively inert gas source 14 and gas heater 15, powder running roller 8 and gas heater 15 are communicated with powder jet 9 respectively, a side bottom that is shaped with powder jet 9 in metallic seal cabin 1 is shaped with powder-wiping plate 10, and a side connection of powder-wiping plate 10 is shaped with rare gas element discharge outlet 11, the bottom in metallic seal cabin 1 is shaped with worktable 12, and worktable 12 bottoms are shaped with the leading screw turntable 13 that drives its work, master control system 19 is controlled with oxygen level sensor 20, humidity sensor 21 and the electric information communication of pressure transmitter 22 realization of stretching into metallic seal cabin 1 respectively.
The principle of work of the present embodiment is: first closed metal sealer 1 when device starts, open three-dimensional air valve 16 by master control system 19, UNICOM's recycle pump 7 respectively, inert gas source 1 and powder jet 9, protective atmosphere arrives oxygen filter 4 by Powdex filter 3 and through the first pipeline 17, and be circulated to recycle pump 7, treat by oxygen level sensor 20, humidity sensor 21, baroceptor 22 detects after being applicable to work environment data is reduced to preset value and starts powder spraying system, close three-dimensional air valve 16, recycle pump 7 and gas heater 15, according to the powder amount that adds arranging, by controlling powder running roller 8, powder is delivered to powder jet 9 places, and by gaseous tension by powderject to worktable 12 places, close three-dimensional air valve 5 stops gas to enter storage powder tank 6 simultaneously, along with the processing of every layer of part, leading screw turntable 13 drives worktable 12 to decline, and repeats the operation of dusting, and keeps protective atmosphere circulation.
Claims (1)
1. selective laser melting paving powder and an atmosphere recycling-guard integrated apparatus, is characterized in that agent structure comprises metallic seal cabin, laser light path system, Powdex filter, oxygen filter, the first three-dimensional air valve, storage powder tank, recycle pump, powder running roller, powder jet, powder-wiping plate, rare gas element discharge outlet, worktable, leading screw turntable, inert gas source, gas heater, the second three-dimensional air valve, the first pipeline, second pipe, master control system, oxygen level sensor, humidity sensor and pressure transmitter; Wherein store up powder tank, powder running roller, inert gas source, gas heater and the second three-dimensional air valve communication type and constitute paving powder system; Powdex filter, oxygen filter, powder jet, the first pipeline and second pipe communication type constitute the protective atmosphere recycle system; The upper end in metallic seal cabin is installed and is equipped with laser light path system; One end communication type in metallic seal cabin is installed and is equipped with Powdex filter, and the other end is equipped with rectangular powder jet; Powdex filter is communicated with one end of oxygen filter by the first pipeline, and the other end of oxygen filter is communicated with an interface of the first three-dimensional air valve; Another two interfaces of the first three-dimensional air valve are connected with one end of storage powder tank and recycle pump respectively; Between the first three-dimensional air valve and recycle pump, be communicated with by second pipe; The other end connection of storage powder tank is shaped with powder running roller, and the other end of recycle pump is connected with an interface of the second three-dimensional air valve, and another two interfaces of the second three-dimensional air valve are connected with respectively inert gas source and gas heater; Powder running roller and gas heater are communicated with powder jet respectively; A side bottom that is shaped with powder jet in metallic seal cabin is shaped with powder-wiping plate, and a side connection of powder-wiping plate is shaped with rare gas element discharge outlet; The bottom in metallic seal cabin is shaped with worktable, and worktable bottom is shaped with leading screw turntable; Master control system respectively with the oxygen level sensor, humidity sensor and the pressure transmitter electricity information communication that stretch into metallic seal cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420235531.4U CN203820889U (en) | 2014-05-09 | 2014-05-09 | SLM (selective laser melting) powder laying and atmosphere circulation protection integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420235531.4U CN203820889U (en) | 2014-05-09 | 2014-05-09 | SLM (selective laser melting) powder laying and atmosphere circulation protection integrated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203820889U true CN203820889U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420235531.4U Withdrawn - After Issue CN203820889U (en) | 2014-05-09 | 2014-05-09 | SLM (selective laser melting) powder laying and atmosphere circulation protection integrated device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203820889U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103952698A (en) * | 2014-05-09 | 2014-07-30 | 张百成 | Integrated device of selective laser melting powder spreading and atmosphere cyclic protection |
| CN105328183A (en) * | 2015-09-29 | 2016-02-17 | 合肥中加激光技术有限公司 | Inert gas circulation and purification device for three-dimensional metal printer |
| CN105458261A (en) * | 2016-01-22 | 2016-04-06 | 北京隆源自动成型系统有限公司 | Active metal selective laser sintering sealing device and sintering gas protection method |
| CN106111989A (en) * | 2016-08-18 | 2016-11-16 | 华南理工大学 | A kind of protective gas pre-heating mean printed for 3D and device |
| CN106623931A (en) * | 2016-07-13 | 2017-05-10 | 株式会社松浦机械制作所 | Three-dimensional shaping device |
| CN107718537A (en) * | 2017-10-11 | 2018-02-23 | 安溪县贤彩茶叶机械有限公司 | A kind of circulating residue cleaning plant for 3D printer |
| CN111448018A (en) * | 2017-12-05 | 2020-07-24 | Addup公司 | Inertable container for transporting additive manufacturing powder |
| CN112222425A (en) * | 2020-08-31 | 2021-01-15 | 西安交通大学 | Method and system for rapidly reducing water oxygen content of forming chamber in additive manufacturing process |
-
2014
- 2014-05-09 CN CN201420235531.4U patent/CN203820889U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103952698A (en) * | 2014-05-09 | 2014-07-30 | 张百成 | Integrated device of selective laser melting powder spreading and atmosphere cyclic protection |
| CN103952698B (en) * | 2014-05-09 | 2016-02-24 | 张百成 | A kind of selective laser melting paving powder and atmosphere recycling-guard integrated apparatus |
| CN105328183A (en) * | 2015-09-29 | 2016-02-17 | 合肥中加激光技术有限公司 | Inert gas circulation and purification device for three-dimensional metal printer |
| CN105458261A (en) * | 2016-01-22 | 2016-04-06 | 北京隆源自动成型系统有限公司 | Active metal selective laser sintering sealing device and sintering gas protection method |
| CN106623931A (en) * | 2016-07-13 | 2017-05-10 | 株式会社松浦机械制作所 | Three-dimensional shaping device |
| CN106111989A (en) * | 2016-08-18 | 2016-11-16 | 华南理工大学 | A kind of protective gas pre-heating mean printed for 3D and device |
| CN107718537A (en) * | 2017-10-11 | 2018-02-23 | 安溪县贤彩茶叶机械有限公司 | A kind of circulating residue cleaning plant for 3D printer |
| CN107718537B (en) * | 2017-10-11 | 2023-12-05 | 拉维增材(徐州)科技有限公司 | A circulation formula residue cleaning device for 3D printer |
| CN111448018A (en) * | 2017-12-05 | 2020-07-24 | Addup公司 | Inertable container for transporting additive manufacturing powder |
| CN112222425A (en) * | 2020-08-31 | 2021-01-15 | 西安交通大学 | Method and system for rapidly reducing water oxygen content of forming chamber in additive manufacturing process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140910 Effective date of abandoning: 20160224 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |