CN105234409A - Powder feeding method and device for multi-material selective laser melting integral forming - Google Patents
Powder feeding method and device for multi-material selective laser melting integral forming Download PDFInfo
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- CN105234409A CN105234409A CN201510708006.9A CN201510708006A CN105234409A CN 105234409 A CN105234409 A CN 105234409A CN 201510708006 A CN201510708006 A CN 201510708006A CN 105234409 A CN105234409 A CN 105234409A
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Abstract
The invention discloses a powder feeding method and device for multi-material selective laser melting integral forming. The device comprises a laser device, powder storage barrels, powder materials, electromagnetic valves, controllers, a scraper and a lifting forming cylinder. The scraper is mounted at the upper end of the lifting forming cylinder in a sliding mode. The laser device is mounted at the upper end of the lifting forming cylinder through a support. The powder storage barrels are symmetrically mounted on the two sides of the upper end of the lifting forming cylinder. The electromagnetic valves are mounted in powder discharging pipelines at the lower ends of the powder storage barrels. The powder storage barrels are filled with the powder materials. The electromagnetic valves are connected with the controllers. The device is convenient to operate; according to the requirements for material properties of different heights of formed parts, the selective laser melting equipment controllers send corresponding instructions to control closing of the electromagnetic valves and the initial position of the scraper, so that integral forming of dissimilar materials is achieved, the limitation that a single-material part is formed through selective laser melting is broken, and the application range of the technology is greatly widened.
Description
Technical field
What the present invention relates to is the rapid shaping technique field of hardware, specifically, is the integrally formed powder delivery method of a kind of many material lasers selective melting and device.
Background technology
Selective laser fusing (SLM) forming technique is a kind of method of metalwork straight forming, is the latest development of rapid shaping technique.This technology successively piles up forming principle based on dispersed material, according to product 3 D graphic data, adopt high energy laser beam to raw material powder pointwise, by-line, successively melt and directly produce part, compare other metal and increase material manufacturing technology, selective laser fusing forming technique has higher forming accuracy and less following process amount, the part that the complexity that can be shaped is higher, it is with structure-function combining design technology manufacture, short period, nearly end form, without mould, become without technical advantages such as cutters the advanced person that complex component manufactures fast and manufacture means, that metal increases one of Main way of material manufacturing technology application.
At present, in the research direction of dissimilar material joining, Diffusion Welding is main research direction.Selective laser fusing former has only carried out correlative study for the shaping of homogenous material, and therefore, the present invention discloses the integrally formed automatic powder feeding system of a kind of many material lasers selective melting and device, realizes the monolithic molding of foreign material part.
Do not find explanation or the report of technology similar to the present invention at present, not yet collect similar data both at home and abroad yet.
Summary of the invention
For the defect of formable single material in existing selective laser fusing forming technique, the invention provides the integrally formed powder delivery method of a kind of many material lasers selective melting and device.
Object of the present invention is achieved through the following technical solutions: the integrally formed dust feeder of a kind of many material lasers selective melting, comprise laser instrument, storage powder cylinder, dusty material, first magnetic valve, second magnetic valve, controller, scraper and liftable formation cylinder, liftable formation cylinder upper end is slidably fitted with scraper, there is laser instrument liftable formation cylinder upper end by support installing, liftable formation cylinder upper end bilateral symmetry is provided with storage powder cylinder, in the powder falling pipeline of storage powder cylinder lower end, magnetic valve is installed, dusty material is filled with in storage powder cylinder, first magnetic valve, second magnetic valve is connected with controller.
As preferably, described scraper is two-way scraper.
As preferably, described laser instrument is arranged between two storage powder cylinders, and is positioned at storage powder cylinder upper end.
As preferably, also comprise the regulating switch for controlling scraper and liftable formation cylinder.
For solving the problem, present invention also offers the integrally formed powder delivery method of a kind of many material lasers selective melting, comprising the steps:
S1, unlatching selective laser fusing former, start-up connector;
S2, controller are according to the material properties of the original material layer of formation of parts, send the switch order of the first magnetic valve, the second battery valve, open the first magnetic valve, close the second magnetic valve, scraper initial position moves on the left of liftable formation cylinder, and dusty material is layered on liftable formation cylinder in advance, controller setting technological parameter, laser instrument carries out selective melting according to parts profile, successively superposes, the material parts of the certain altitude that is shaped;
S3, after material parts is shaped to setting height, controller sends instruction, open the second magnetic valve, close the first magnetic valve, doctor position moves on the right side of liftable formation cylinder, and dusty material is layered on liftable formation cylinder in advance, controller is according to material behavior adjusting process parameter, laser instrument carries out selective melting according to parts profile, successively superposes, the material parts of the certain altitude that is shaped;
S4, according to the requirement of part differing heights to material, controller controls the first magnetic valve, the keying of the second battery valve and the initial position of scraper, repeatedly performs S2 or S3, until whole part machines.
Compared with prior art, the present invention has the following advantages:
Easy to operate, by the requirement of drip molding differing heights to material properties, selective laser melting unit controller sends command adapted thereto, the closedown of Controlling solenoid valve and the initial position of scraper, realize the monolithic molding of foreign material, breach the limitation of selective laser fusing formable single material parts, greatly expand the range of application of this technology.
Accompanying drawing explanation
Fig. 1 is the structural representation of the integrally formed dust feeder of a kind of many material lasers of embodiment of the present invention selective melting.
In figure: 1-laser instrument, 2-stores up powder cylinder, and 3,8-dusty material, 4,9-magnetic valve, 5-controller, 6-scraper, 7-liftable formation cylinder.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
As shown in Figure 1, embodiments provide the integrally formed dust feeder of a kind of many material lasers selective melting, comprise laser instrument 1, storage powder cylinder 2, dusty material 3 and 8, first magnetic valve 4, second magnetic valve 9, controller 5, scraper 6, liftable formation cylinder 7, liftable formation cylinder 7 upper end is slidably fitted with scraper 6, there is laser instrument 1 liftable formation cylinder 7 upper end by support installing, liftable formation cylinder 7 upper end bilateral symmetry is provided with storage powder cylinder 2, in the powder falling pipeline of storage powder cylinder 2 lower end, the first magnetic valve 4 and the second magnetic valve 9 is installed, dusty material 3 and 8 is filled with in storage powder cylinder 2, first magnetic valve 4 is connected with controller 5 with the second magnetic valve 9.
Described scraper 6 is two-way scraper.
Described laser instrument 1 is arranged between two storage powder cylinders 2, and is positioned at storage powder cylinder 2 upper end.
Also comprise the regulating switch for controlling scraper 6 and liftable formation cylinder 7.
This concrete enforcement additionally provides the integrally formed powder delivery method of a kind of many material lasers selective melting, comprises the steps:
S1, unlatching selective laser fusing former, start-up connector 5;
S2, controller 5 are according to the material properties of the original material layer of formation of parts, send the switch order of the first magnetic valve 4, second battery valve 9, open the first magnetic valve 4, close the second magnetic valve 9, scraper 6 initial position moves on the left of liftable formation cylinder 7, and dusty material 3 is layered on liftable formation cylinder 7 in advance, controller 5 sets technological parameter, laser instrument 1 carries out selective melting according to parts profile, successively superposes, material 3 part of the certain altitude that is shaped;
S3, when after material 3 part forming to setting height, controller 5 sends instruction, open the second magnetic valve 9, close the first magnetic valve 4, scraper 6 position moves on the right side of liftable formation cylinder 7, and dusty material 8 is layered on liftable formation cylinder 7 in advance, controller 5 is according to material behavior adjusting process parameter, laser instrument 1 carries out selective melting according to parts profile, successively superposes, material 8 part of the certain altitude that is shaped;
S4, according to the requirement of part differing heights to material, controller 5 controls the keying of the first magnetic valve 4, second battery valve 9 and the initial position of scraper 6, repeatedly performs S2 or S3, until whole part machines.
This concrete enforcement structure is simple, easy to operate.By the requirement of drip molding differing heights to material properties, selective laser melting unit controller 5 sends command adapted thereto, the closedown of Controlling solenoid valve 4,9 and the initial position of scraper, realize the monolithic molding of foreign material, breach the limitation of selective laser fusing formable single material parts, greatly expand the range of application of this technology
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (5)
1. the integrally formed dust feeder of material laser selective melting more than a kind, it is characterized in that, comprise laser instrument (1), storage powder cylinder (2), dusty material (3, 8), first magnetic valve (4), second battery valve (9), controller (5), scraper (6) and liftable formation cylinder (7), liftable formation cylinder (7) upper end is slidably fitted with scraper (6), there is laser instrument (1) liftable formation cylinder (7) upper end by support installing, liftable formation cylinder (7) upper end bilateral symmetry is provided with storage powder cylinder (2), in the powder falling pipeline of storage powder cylinder (2) lower end, the first magnetic valve (4) is installed, second battery valve (9), dusty material (3 is filled with in storage powder cylinder (2), 8), first magnetic valve (4), second battery valve (9) is connected with controller (5).
2. the integrally formed dust feeder of one many material lasers selective melting according to claim 1, is characterized in that, described scraper (6) is two-way scraper.
3. the integrally formed dust feeder of one many material lasers selective melting according to claim 1, is characterized in that, described laser instrument (1) is arranged between two storage powder cylinders (2), and is positioned at storage powder cylinder (2) upper end.
4. the integrally formed dust feeder of one many material lasers selective melting according to claim 1, is characterized in that, described control scraper (6) is connected with controller (5) with liftable formation cylinder (7).
5. the integrally formed powder delivery method of the selective melting of material laser more than, is characterized in that, comprise the steps:
S1, unlatching selective laser fusing former, start-up connector (5);
S2, controller (5) is according to the material properties of the original material layer of formation of parts, send the first magnetic valve (4), the switch order of the second battery valve (9), open the first magnetic valve (4), close the second magnetic valve (9), scraper (6) initial position moves to liftable formation cylinder (7) left side, dusty material (3) is layered on liftable formation cylinder (7) in advance, controller (5) setting technological parameter, laser instrument (1) carries out selective melting according to parts profile, successively superpose, be shaped material 3 part of certain altitude,
S3, when after material (3) part forming to setting height, controller (5) sends instruction, open the second magnetic valve (9), close the first magnetic valve (4), scraper (6) position moves to liftable formation cylinder (7) right side, dusty material (8) is layered on liftable formation cylinder (7) in advance, controller (5) is according to material behavior adjusting process parameter, laser instrument (1) carries out selective melting according to parts profile, successively superpose, material (8) part of the certain altitude that is shaped;
S4, according to the requirement of part differing heights to material, controller (5) controls the first magnetic valve (4), the keying of the second battery valve (9) and the initial position of scraper (6), repeatedly perform S2 or S3, until whole part machines.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510708006.9A CN105234409A (en) | 2015-10-27 | 2015-10-27 | Powder feeding method and device for multi-material selective laser melting integral forming |
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| CN201510708006.9A CN105234409A (en) | 2015-10-27 | 2015-10-27 | Powder feeding method and device for multi-material selective laser melting integral forming |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665709A (en) * | 2016-01-22 | 2016-06-15 | 吉林大学 | Steel/aluminum dissimilar metal part laser deposition additive manufacturing method |
| CN105689712A (en) * | 2016-02-04 | 2016-06-22 | 上海航天精密机械研究所 | Method and device for laser direct manufacturing for metal-matrix composite structural part |
| CN106424731A (en) * | 2016-10-31 | 2017-02-22 | 南通金源智能技术有限公司 | Selective laser melting-forming equipment and powder supply method thereof |
| CN106735218A (en) * | 2017-01-17 | 2017-05-31 | 华南理工大学 | A kind of many material laser selective melting shaped devices of rotary multi-cylinder and method |
| CN108526465A (en) * | 2018-05-25 | 2018-09-14 | 昆明理工大学 | A kind of spiral powder delivery method and device for precinct laser fusion forming dissimilar materials |
| CN108698160A (en) * | 2016-02-03 | 2018-10-23 | 网格逻辑有限公司 | System and method for manufacturing component |
| CN111036901A (en) * | 2019-12-10 | 2020-04-21 | 西安航天发动机有限公司 | Selective laser melting forming method for multi-material part |
| KR20200061846A (en) * | 2018-11-26 | 2020-06-03 | 한국생산기술연구원 | Different Material Additive Manufacturing Apparatus with Multi Hopper And the Manufacturing Method thereof |
| CN113231653A (en) * | 2021-05-07 | 2021-08-10 | 江苏永年激光成形技术有限公司 | Powder bed laser melting forming technical equipment for forming various metals |
| CN115138869A (en) * | 2021-03-31 | 2022-10-04 | 广东汉邦激光科技有限公司 | Multi-material layered composite workpiece and three-dimensional forming device and method thereof |
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| CN205200537U (en) * | 2015-10-27 | 2016-05-04 | 上海航天精密机械研究所 | Integrated forming's powder feeding device is melted in many materials laser election district |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665709A (en) * | 2016-01-22 | 2016-06-15 | 吉林大学 | Steel/aluminum dissimilar metal part laser deposition additive manufacturing method |
| CN105665709B (en) * | 2016-01-22 | 2018-11-13 | 吉林大学 | A kind of steel/aluminum dissimilar metal part laser deposition increasing material manufacturing method |
| CN108698160A (en) * | 2016-02-03 | 2018-10-23 | 网格逻辑有限公司 | System and method for manufacturing component |
| CN105689712A (en) * | 2016-02-04 | 2016-06-22 | 上海航天精密机械研究所 | Method and device for laser direct manufacturing for metal-matrix composite structural part |
| CN106424731A (en) * | 2016-10-31 | 2017-02-22 | 南通金源智能技术有限公司 | Selective laser melting-forming equipment and powder supply method thereof |
| CN106735218A (en) * | 2017-01-17 | 2017-05-31 | 华南理工大学 | A kind of many material laser selective melting shaped devices of rotary multi-cylinder and method |
| CN106735218B (en) * | 2017-01-17 | 2019-05-14 | 华南理工大学 | A kind of more material laser selective melting molding machines of rotary multi-cylinder and method |
| CN108526465A (en) * | 2018-05-25 | 2018-09-14 | 昆明理工大学 | A kind of spiral powder delivery method and device for precinct laser fusion forming dissimilar materials |
| CN108526465B (en) * | 2018-05-25 | 2019-09-27 | 昆明理工大学 | A kind of spiral powder delivery method and device for precinct laser fusion forming dissimilar materials |
| KR20200061846A (en) * | 2018-11-26 | 2020-06-03 | 한국생산기술연구원 | Different Material Additive Manufacturing Apparatus with Multi Hopper And the Manufacturing Method thereof |
| KR102161304B1 (en) * | 2018-11-26 | 2020-10-05 | 한국생산기술연구원 | Different Material Additive Manufacturing Apparatus with Multi Hopper And the Manufacturing Method thereof |
| CN111036901A (en) * | 2019-12-10 | 2020-04-21 | 西安航天发动机有限公司 | Selective laser melting forming method for multi-material part |
| CN115138869A (en) * | 2021-03-31 | 2022-10-04 | 广东汉邦激光科技有限公司 | Multi-material layered composite workpiece and three-dimensional forming device and method thereof |
| CN113231653A (en) * | 2021-05-07 | 2021-08-10 | 江苏永年激光成形技术有限公司 | Powder bed laser melting forming technical equipment for forming various metals |
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