CN105195740A - Rapid molding equipment employing selective laser sintering - Google Patents
Rapid molding equipment employing selective laser sintering Download PDFInfo
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- CN105195740A CN105195740A CN201510676431.4A CN201510676431A CN105195740A CN 105195740 A CN105195740 A CN 105195740A CN 201510676431 A CN201510676431 A CN 201510676431A CN 105195740 A CN105195740 A CN 105195740A
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- working chamber
- paper
- feeding
- gas
- pay
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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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- Powder Metallurgy (AREA)
Abstract
The invention provides rapid molding equipment employing selective laser sintering. The rapid molding equipment comprises a rack, a working chamber, a laser scanning device, a feeding device, a gas protection device and a heating device, wherein a discharge opening of the feeding device, the heating device and a molding cylinder are arranged in the working chamber; the laser scanning device comprises a laser device and a galvanometer; the laser device and the galvanometer are arranged above the outside of the working chamber; the feeding device is arranged on the rear surface or the side surface of the molding cylinder in the working chamber; the gas protection device comprises a gas sensor and a gas valve; the gas sensor is arranged in the working chamber; the gas valve is arranged in a protective gas inlet; and the heating device is arranged at the top in the working chamber. A paper-like composite print material can be processed; the pollution of dust is reduced; an operator is prevented from being injured by the dust; and meanwhile, selective laser sintering molding of a plurality of composite materials is achieved.
Description
Technical field
The present invention relates to a kind of electromechanical equipment, be specifically related to a kind of selective laser sintering rapid forming equipment.
Background technology
RP technique (RapidPrototypeManufacturing, be called for short RP) is comprehensive utilization of C AD technology, Numeric Control Technology, material science, mechanical engineering, electronic technology and laser technology Integration ofTechnology to realize from Element Design to the device technique of 3D solid raw basin integration.This technology is successively superposed by material, and by melting layer by layer and building formation 3 D workpiece, this technology can manufacture the 3 D workpiece of the complicated shape that some traditional handicrafts have been difficult to.It is divided into four large classes: Stereolithography technology (SLA), Laminated Object Manufacturing (LOM), Fused Deposition Modeling technology (FDM) and Selective Laser Sintering (SLS), selective laser sintering (SLS) also can be called as precinct laser sintering, it is the same with other quick shaping process, and process principle is also discrete-accumulation forming principle.It take generating laser as manufactured energy, utilize computer to control laser beam to rapidoprint (comprising macromolecular material, metal dust, prealloy powder powder material and nano material etc.) by setting speed and adjust suitable laser energy density and sinter according to the 2-D data information of serial section profile, pile up layer by layer, remove unnecessary powder after whole sintering is complete around, then sintered part is polished, a series of post-processing operation such as oven dry just can obtain part.This technology integrates cad technique, Computerized Numerical Control processing technology, laser technology and material science and technology etc., shortens the cycle of Design and manufacture product, thus decreases development cost and the competitiveness that improve new product.
In existing selective laser sintering (SLS) technology, conventional rapidoprint is all very trickle powder particle, by power spreading device, is laid on moulding cylinder by powder.Be easy to cause the laying of powder uneven.Simultaneously because powder is very trickle, cause causing dust to injure to operating personnel in the process filling powder and clear powder.
Summary of the invention
For the above-mentioned technical problem that prior art exists, the invention provides a kind of selective laser sintering rapid forming equipment.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
Comprise frame, working chamber, laser scanner, pay-off, gas shield device and heater;
The discharging opening of pay-off, heater, moulding cylinder is provided with in described working chamber;
Described laser scanning device comprises laser instrument and galvanometer, and described laser instrument and galvanometer are placed in the top outside working chamber;
Described box for feeding odd be placed in moulding cylinder below or side; Described pay-off comprises box for feeding odd, feeding guide, inhales mechanism of paper, Timing Belt and feeding motor; The parallel both sides being distributed in box for feeding odd and moulding cylinder of described feeding guide; Described suction mechanism of paper is placed between two feeding guides, and perpendicular to two feeding guide motions; Described suction mechanism of paper has suction dish; Described Timing Belt is placed in the end points inhaling mechanism of paper, and by described feeding driven by motor, described suction mechanism of paper two ends arrange Timing Belt;
Described gas shield device comprises gas sensor and gas trap; Described gas sensor is placed in working chamber, and described gas trap is placed in protective gas air inlet;
Described heater is placed in the top in working chamber.
Further preferably, described heater comprises infrared heating pipe.
The invention has the beneficial effects as follows; paper-like composite printing material can be processed; such as process the paper-like composite printing material of the thick moulding cylinder cross-sectional sizes of 0.1mm-0.3mm; thus reduce the pollution of working chamber dust; also operating personnel are protected in the process filling powder and clear powder by the injury of dust; achieve the selective laser sintering and moulding of multiple composite simultaneously, avoid the problem causing workpiece surface quality coarse due to powder laying injustice.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of pay-off of the present invention.
Detailed description of the invention
Understand better to allow those skilled in the art and realize technical scheme of the present invention, being described in further details below with reference to Figure of description and specific embodiment.
As shown in Figure 1, the present embodiment comprises equipment rack (1), working chamber (2), laser scanning device (3), pay-off (4), gas shield device (5) and heater (6).
The discharging opening of pay-off (4), heater (6), moulding cylinder (7) is provided with in working chamber (2).Pay-off (4) discharging opening is placed in after the moulding cylinder (7) in working chamber (2) or side, described heater (6) is placed in below the top in working chamber (2), the printing material being placed in moulding cylinder provided by pay-off (4) by radiation heating.
As shown in Figure 1, laser scanning device (3) comprises laser instrument and galvanometer, and laser scanning device (3) is placed in working chamber (2) top outward.
As shown in Figure 1, gas shield device (5) comprises gas sensor and gas trap.Gas sensor is placed in working chamber, and gas trap is placed in protective gas air inlet.
As shown in Figure 1, heater (6) its heater is infrared heating pipe.Infrared heating pipe is placed in below the top in working chamber (2).
As shown in Figure 2, pay-off (4) comprising: box for feeding odd (8), feeding guide (9), inhales mechanism of paper (10), Timing Belt (11) and feeding motor (12).
Box for feeding odd (8) be placed in moulding cylinder (7) below or side.Feeding guide (9) is placed in the both sides of box for feeding odd (8) and moulding cylinder (7), and parallel distribution.Inhale mechanism of paper (10) and be across two feeding guides (9), move perpendicular to two feeding guides (9).Inhale on mechanism of paper (10) and be equipped with two suction dishes (13); Timing Belt (11) is placed in the end points inhaling mechanism of paper (10), is driven by feeding motor (12).Inhale mechanism of paper (10) two ends and be respectively equipped with a Timing Belt (11).
During the present embodiment work, design the threedimensional model of required part first on computers, in Z-direction, its threedimensional model is become threedimensional model into a series of synusia by printing material thickness.The piston position of box for feeding odd (8) and moulding cylinder (7) is adjusted.Then adsorbed by suction dish (13) by individual print material, and use feeding guide (9) mobile to moulding cylinder (7), arrive and stop after the assigned address of moulding cylinder (7), suction dish (13) is unclamped, and feeding completes.Carry out scanning moulding finally by laser scanning device (3), after having scanned, carry out the feeding that lower one deck prints material again.Carry out each technique and so forth, until last one deck.
Above embodiment is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all should belong to protection scope of the present invention.It should be pointed out that some amendments without departing from the principles of the present invention and modification, should protection scope of the present invention be considered as.
Claims (2)
1. a selective laser sintering rapid forming equipment, is characterized in that, comprises equipment rack (1), working chamber (2), laser scanning device (3), pay-off (4), gas shield device (5) and heater (6);
The discharging opening of pay-off (4), heater (6), moulding cylinder (7) is provided with in described working chamber (2);
Described laser scanning device comprises laser instrument and galvanometer, and described laser instrument and galvanometer are placed in the top outside working chamber;
Described pay-off (4) is placed in after the moulding cylinder (7) in working chamber (2) or side, described pay-off (4) bag box for feeding odd (8), and feeding guide (9) inhales mechanism of paper (10), Timing Belt (11) and feeding motor (12); The parallel both sides being distributed in box for feeding odd (8) and moulding cylinder (7) of described feeding guide (9); Described suction mechanism of paper (10) is placed between feeding guide (9), and perpendicular to feeding guide (9) motion, described suction mechanism of paper (10) has suction dish (13); Described Timing Belt (11) is placed in the end points inhaling mechanism of paper (10), and driven by described feeding motor (12), described suction mechanism of paper (10) two ends arrange Timing Belt (11);
Described gas shield device (5) comprises gas sensor and gas trap, and described gas sensor is placed in working chamber (2), and described gas trap is placed in protective gas air inlet;
Described heater (6) is installed on the top in working chamber (2).
2. a kind of selective laser sintering rapid forming equipment as claimed in claim 1, is characterized in that, described heater (6) comprises infrared heating pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510676431.4A CN105195740A (en) | 2015-10-20 | 2015-10-20 | Rapid molding equipment employing selective laser sintering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510676431.4A CN105195740A (en) | 2015-10-20 | 2015-10-20 | Rapid molding equipment employing selective laser sintering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105195740A true CN105195740A (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510676431.4A Pending CN105195740A (en) | 2015-10-20 | 2015-10-20 | Rapid molding equipment employing selective laser sintering |
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| CN (1) | CN105195740A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041080A (en) * | 2016-07-21 | 2016-10-26 | 中北大学 | Powder material laser-sintering forming device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014000701A (en) * | 2012-06-18 | 2014-01-09 | Roland Dg Corp | Three-dimensional molding device, and three-dimensional molding method |
| CN104369374A (en) * | 2014-10-14 | 2015-02-25 | 清华大学 | Naked eye three-dimensional presenting device, and naked eye three-dimensional presenting device manufacturing system and method |
| CN104384514A (en) * | 2014-08-31 | 2015-03-04 | 江苏大学 | 3D printing device and printing method of large metal parts of water pump |
| CN104827664A (en) * | 2015-01-28 | 2015-08-12 | 江汉大学 | 3D printer |
| CN104908320A (en) * | 2015-05-14 | 2015-09-16 | 江苏敦超电子科技有限公司 | UV light curing 3D printer and stacking precision guarantee method |
-
2015
- 2015-10-20 CN CN201510676431.4A patent/CN105195740A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014000701A (en) * | 2012-06-18 | 2014-01-09 | Roland Dg Corp | Three-dimensional molding device, and three-dimensional molding method |
| CN104384514A (en) * | 2014-08-31 | 2015-03-04 | 江苏大学 | 3D printing device and printing method of large metal parts of water pump |
| CN104369374A (en) * | 2014-10-14 | 2015-02-25 | 清华大学 | Naked eye three-dimensional presenting device, and naked eye three-dimensional presenting device manufacturing system and method |
| CN104827664A (en) * | 2015-01-28 | 2015-08-12 | 江汉大学 | 3D printer |
| CN104908320A (en) * | 2015-05-14 | 2015-09-16 | 江苏敦超电子科技有限公司 | UV light curing 3D printer and stacking precision guarantee method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041080A (en) * | 2016-07-21 | 2016-10-26 | 中北大学 | Powder material laser-sintering forming device |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151230 |