CN104550953B - A kind of two-cylinder type desktop type selective laser melt-forming Apparatus and method for - Google Patents
A kind of two-cylinder type desktop type selective laser melt-forming Apparatus and method for Download PDFInfo
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- CN104550953B CN104550953B CN201410789725.3A CN201410789725A CN104550953B CN 104550953 B CN104550953 B CN 104550953B CN 201410789725 A CN201410789725 A CN 201410789725A CN 104550953 B CN104550953 B CN 104550953B
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Abstract
The invention discloses a kind of two-cylinder type desktop type selective laser melt-forming Apparatus and method for, including sealing moulding room, optical transmission system, power spreading device, moulding cylinder, powder cylinder, moulding cylinder and powder cylinder are provided above shaped platform, it is provided above mobile platform at shaped platform, shaped platform, as the guide rail of mobile platform, makes mobile platform move left and right thereon；Power spreading device is set on mobile platform and takes powder system；This takes powder system and includes taking powder base station, taking powder drum, takes powder drum and is arranged on the top taking powder base station.For precious metal straight forming system it is crucial that the recovery of powder and cleaning, therefore, this equipment devise be prone to overall taking-up take powder structure, corner in moulding cylinder/powder cylinder will not residual powder, thus decrease the waste of material in forming process, can be used for the straight forming of the personalized part of precious metal such as gold, silver, the platinum etc. of bullion industry.
Description
Technical field
The present invention relates to metal parts and increase material manufacturing technology field, particularly relate to a kind of two-cylinder type desktop type and swash
Light selective melting former and method.
Background technology
Also known as " metal 3D prints skill to selective laser fusing (Selective Laser Melting, SLM) technology
Art " be to increase the cutting edge technology that material manufactures, utilize the focusing laser beam of diameter 30～50 microns, metal or
Alloy powder constituency is successively melted, and is piled into a metallurgical binding, the entity of dense structure, thus obtains
Almost arbitrary shape, there is the metal function part of complete metallurgical binding.
SLM device is mainly by laser instrument, light path system, seal molding room, machine driven system, control
Several part such as system forms.Its technological process is as follows: first carry out three-dimensional CAD model cutting into slices discrete
And planning parameters of scanning paths, obtain the slicing profile information of controlled controlling laser beam scanning；Secondly, computer by
Layer calls in slicing profile information, by scanning galvanometer, controls laser beam optionally by-line overlap joint scanning powder
Selection area on layer, forms facial contour, is not irradiated with a laser the powder in region still in fluffy.One layer adds
After work completes, powder cylinder rise micron, formation cylinder reduce slice thickness height, paving paint by powder from
Powder cylinder scrapes in forming platform, the powder smelting that laser will newly spread, and combines together with last layer.Repeat
Said process, until forming process completes, obtains the 3-dimensional metal part identical with three-dimensional entity model.
One important restriction factor of precious metal straight forming is material expensive, and stock size is less, mesh
On front market, existing SLM device stock size is all at 100 × more than 100mm, for precious metal
Speech is not appropriate for.And existing equipment the most more considers powder in the recovery and scale removal process of powder
Waste problem, this is unacceptable for precious metal.It is therefore desirable to develop high-precision desktop
Type selective laser melt-forming equipment.
Summary of the invention
It is an object of the invention to overcome the shortcoming and defect of above-mentioned prior art, it is provided that a kind of two-cylinder type table
Type selective laser, face melt-forming Apparatus and method for.For overcoming the defect of existing SLM technology, improve powder
End is reclaimed and the efficiency of cleaning, it is achieved the high accuracy straight forming of precious metal accessory.
The present invention is achieved through the following technical solutions:
A kind of two-cylinder type desktop type selective laser melt-forming equipment, including sealing moulding room, optical delivery
System, power spreading device, moulding cylinder 22, powder cylinder 10, set above described moulding cylinder 22 and powder cylinder 10
Being equipped with shaped platform 19, be provided above mobile platform 4 at shaped platform 19, shaped platform 19 is as shifting
The guide rail of moving platform 4, makes mobile platform 4 move left and right thereon；
Power spreading device is set on described mobile platform 4 and takes powder system；
This takes powder system and includes taking powder base station 15, taking powder drum 14, described in take powder drum 14 and be arranged on and take powder base
The top of platform 15.
Laser instrument 3 that described optical transmission system includes being sequentially connected with, beam expanding lens 2, scanning galvanometer 1, light
Learn lens 13；
Described laser instrument 3, beam expanding lens 2 and scanning galvanometer 1 are fixed on forming room top；
The described powder drum 14 that takes is for cylindrical shape, and the equal opening of its upper and lower side, optical lens 13 is embedded in and takes powder drum 14
Upper end open at, and move with mobile platform 4.
The described centre taking powder base station 15 is circular hole, and the side of circular hole offers a gap, by arranging
It is fixed at the securing member 16 taken on powder base station 15 taking powder drum 14 or clamps.
Described shaped platform 19 is formed around the chimb preventing powder from spilling.
Mobile platform 4 is driven it along shaped platform 19 by motor 7 and drive rod 6 and moves left and right.
Described power spreading device is arranged on the side of mobile platform 4, and is provided with and takes powder drum 14 and take powder switching
Mouthful.
Described power spreading device, moulding cylinder 22, powder cylinder 10, shaped platform 19, mobile platform 4 are placed in
Sealing moulding is indoor, and sealing moulding intracavity is provided with gas circulating purification system.
Described mobile platform 4, in " recessed " type, slides and is connected across on shaped platform 19.
Described moulding cylinder 22 and powder cylinder 10 take powder substrate 8, use electromagnetism clamp device 21 and lifting
Motion 9,23 is fixed.
The forming method of above-mentioned two-cylinder type desktop type selective laser melt-forming apparatus processing part is as follows:
Before starting molding, mobile platform 4 rests on the left end of sealing moulding room, every molding one layer, moves
Platform 4 spreads one layer of powder from left to right, takes powder drum 14 and just covers the forming surface of part 18, and optics passes
After the laser fusion metal dust 5 of communication system, mobile platform 4 is first moved to the left, and moves right the most again
Paving powder, so circulates, until forming parts completes.
The present invention, relative to prior art, has such advantages as and effect:
Two-cylinder type desktop type selective laser of the present invention melt-forming equipment, uses two-cylinder type structure, in order to keep away
Exempt from powder waste, devise be prone to powder entirety take out take powder system so that in moulding cylinder/powder cylinder
Corner will not have shaped platform in residual powder, and moulding cylinder/powder cylinder, prevents powder from spilling.
The present invention can prevent powder from wasting, and saves again recovery and the clearance time of powder, can be applicable to expensive
The heavy metal such as straight forming such as gold, silver, platinum, has bigger competitiveness in bullion industry.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is shaped platform partial schematic diagram of the present invention；
Fig. 3 is that the present invention takes powder system schematic diagram；
Fig. 4 a does not heads into schematic diagram when taking powder drum for taking powder process schematic, i.e. substrate；
Fig. 4 b, for taking powder process schematic, i.e. takes powder drum and is clamped schematic diagram.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is more specifically described in detail.
Embodiment
As shown in Fig. 1 to 4b.Two-cylinder type desktop type selective laser of the present invention melt-forming equipment, including close
Envelope forming room, optical transmission system, power spreading device 17, moulding cylinder 22, powder cylinder 10, gas circulation are only
Gasifying device, control system, described moulding cylinder 22 and powder cylinder 10 be provided above shaped platform 19,
Shaped platform 19 is provided above mobile platform 4, shaped platform 19 as the guide rail of mobile platform 4,
Mobile platform 4 is made to move left and right thereon；
Power spreading device 17 is set on described mobile platform 4 and takes powder system；
This takes powder system and includes taking powder base station 15, taking powder drum 14, described in take powder drum 14 and be arranged on and take powder base
The top of platform 15.
Laser instrument 3 that optical transmission system includes being sequentially connected with, beam expanding lens 2, scanning galvanometer 1, optical lens
Mirror 13；
Described laser instrument 3, beam expanding lens 2 and scanning galvanometer 1 are fixed on forming room top；
The described powder drum 14 that takes is for cylindrical shape, and the equal opening of its upper and lower side, optical lens 13 is embedded in and takes powder drum 14
Upper end open at, and move with mobile platform 4.
The described centre taking powder base station 15 is circular hole, and the side of circular hole offers a gap, by arranging
It is fixed at the securing member 16 taken on powder base station 15 taking powder drum 14 or clamps.Take outside powder drum 14
Footpath is consistent with the Circularhole diameter taken in the middle of powder base station 15, and to take powder substrate 8 consistent with taking powder for internal diameter.Before taking powder,
Take powder drum 14 to be inserted in this circular hole, and slightly fasten with securing member 16, then take powder base station 15 move to
Moulding cylinder 22/ is contained powder cylinder 10 and is alignd, and takes powder and takes powder substrate 8 and move to take in powder drum 14, then with fastening
Part 16 will take powder and takes powder substrate 8 and take powder drum 14 and be fixed up, and the most i.e. can take powder system entirety
Take out.
Described shaped platform 19 is formed around the chimb preventing powder from spilling.
Mobile platform 4 is driven it along shaped platform 19 by motor 7 and drive rod 6 and moves left and right.
Described power spreading device is arranged on the side of mobile platform 4, and is provided with and takes powder drum 14 and take powder switching
Mouthful.As taking powder drum 14 and taking the converting interface of powder base station 15, in the process of mobile platform 4 side-to-side movement
In make to take powder drum 14 and align with moulding cylinder/powder cylinder.
Described power spreading device, moulding cylinder 22, powder cylinder 10, shaped platform 19, mobile platform 4 are placed in
Sealing moulding is indoor；Described gas circulating purification system is arranged on sealing moulding intracavity, according to rapidoprint
Characteristic can choose whether to need to use inert gas shielding.
Described mobile platform 4, in " recessed " type, slides and is connected across on shaped platform 19.Described shaped platform
The lower end of 19 sides is provided with powder collecting box 20, and unnecessary powder is collected by collecting box.
Described moulding cylinder 22 and powder cylinder 10 take powder substrate 8, use electromagnetism clamp device 21 and lifting
Motion 9,23 is fixed.Take powder and take after powder substrate 8 headed into and take in powder drum 14, by controlling
System is unclamped and is taken powder and take powder substrate 8, makes to take powder and takes powder substrate 8 and separate, then with elevating movement mechanism 9,23
Taking powder to take powder substrate 8 and can take out together with taking powder system, the corner of moulding cylinder 22/ powder cylinder 10 will not
Residual powder.Elevating movement mechanism 9,23 is respectively by taking motor 12,11 driving.
Described moulding cylinder 22 and powder cylinder 10 use circle, and size is completely the same.
Described power spreading device 17 spreads powder arm for beam type, uses flexible dentation steel disc as paving powder scraping blade.
The forming method using two-cylinder type desktop type selective laser melt-forming apparatus processing part is to start
Before molding, mobile platform 4 rests on the left end of sealing moulding room, every molding one layer, and mobile platform 4 is certainly
From left to right one layer of powder of paving, takes powder drum 14 and just covers the forming surface of part 18, optical transmission system
After laser fusion metal dust 5, mobile platform 4 is first moved to the left, and move right paving powder the most again, as
This circulation, until forming parts completes.
As it has been described above, just can preferably realize the present invention.
Embodiments of the present invention are also not restricted to the described embodiments, and other are any without departing from the present invention's
The change made under spirit and principle, modify, substitute, combine, simplify, all should be putting of equivalence
Change mode, within being included in protection scope of the present invention.
Claims (8)
1. a two-cylinder type desktop type selective laser melt-forming equipment, passes including sealing moulding room, optics
Communication system, power spreading device, moulding cylinder (22), powder cylinder (10), it is characterised in that: described moulding cylinder
(22) and powder cylinder (10) is provided above shaped platform (19), set in shaped platform (19) top
Putting mobile platform (4), shaped platform (19), as the guide rail of mobile platform (4), makes mobile flat
Platform (4) moves left and right thereon；
Power spreading device is set on described mobile platform (4) and takes powder system；
This takes powder system and includes taking powder base station (15), taking powder drum (14), described in take powder drum (14) arrange
In the top taking powder base station (15)；
Laser instrument (3) that optical transmission system includes being sequentially connected with, beam expanding lens (2), scanning galvanometer (1),
Optical lens (13)；
Described laser instrument (3), beam expanding lens (2) and scanning galvanometer (1) are fixed on forming room top；
The described powder drum (14) that takes is for cylindrical shape, and the equal opening of its upper and lower side, optical lens (13) is embedded in and takes
At the upper end open of powder drum (14) and mobile with mobile platform (4).
Two-cylinder type desktop type selective laser the most according to claim 1 melt-forming equipment, its feature
Be: described in take the centre of powder base station (15) be circular hole, the side of circular hole offers a gap, logical
Cross and be arranged on the securing member (16) taken on powder base station (15) and be fixed taking powder drum (14).
3. set according to two-cylinder type desktop type selective laser melt-forming according to any one of claim 1 or 2
It is standby, it is characterised in that: described shaped platform (19) is formed around the chimb preventing powder from spilling.
Two-cylinder type desktop type selective laser the most according to claim 3 melt-forming equipment, its feature
It is: mobile platform (4) is driven it along shaped platform (19) by motor (7) and drive rod (6)
Move left and right.
Two-cylinder type desktop type selective laser the most according to claim 3 melt-forming equipment, its feature
It is: described power spreading device, moulding cylinder (22), powder cylinder (10), shaped platform (19), movement are put down
It is indoor that platform (4) is placed in sealing moulding, and sealing moulding indoor are provided with gas circulating purification system.
Two-cylinder type desktop type selective laser the most according to claim 3 melt-forming equipment, its feature
It is: described mobile platform (4), in " recessed " type, slides and is connected across on shaped platform (19)；Described
The lower end of shaped platform (19) side is provided with powder collecting box (20).
Two-cylinder type desktop type selective laser the most according to claim 3 melt-forming equipment, its feature
Be: described moulding cylinder (22) and powder cylinder (10) take powder substrate (8), use electromagnetism fastening dress
Put (21) to be fixed with elevating movement mechanism (9,23).
8. use two-cylinder type desktop type selective laser melt-forming according to any one of claim 1 to 7 to set
The forming method of standby processing part, it is characterised in that following step:
Before starting molding, mobile platform (4) rests on the left end of sealing moulding room, every molding one layer, moves
Moving platform (4) spreads one layer of powder from left to right, takes powder drum (14) and just covers the molding of part (18)
Face, after the laser fusion metal dust (5) of optical transmission system, mobile platform (4) is first moved to the left,
Move right paving powder the most again, so circulates, until forming parts completes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410789725.3A CN104550953B (en) | 2014-12-17 | 2014-12-17 | A kind of two-cylinder type desktop type selective laser melt-forming Apparatus and method for |
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| CN201410789725.3A CN104550953B (en) | 2014-12-17 | 2014-12-17 | A kind of two-cylinder type desktop type selective laser melt-forming Apparatus and method for |
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| CN104550953B true CN104550953B (en) | 2016-10-05 |
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Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923788A (en) * | 2015-06-24 | 2015-09-23 | 广东信达雅三维科技有限公司 | Single-cylinder type desktop type laser area selecting fusion forming device and control method |
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| CN106513680B (en) * | 2016-12-22 | 2018-04-13 | 华南理工大学 | A kind of four station turnplate formula selective laser melting forming device of double excitation and method |
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| CN107552790A (en) * | 2017-09-21 | 2018-01-09 | 四川天府珞埔三维科技有限公司 | A kind of moulding cylinder powder isolating device for precinct laser fusion |
| DE102017125748A1 (en) * | 2017-11-03 | 2019-05-09 | Trumpf Laser- Und Systemtechnik Gmbh | Lid arrangement for a machine and machine and method for the production of three-dimensional components |
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| CN113560574B (en) * | 2021-06-10 | 2023-05-26 | 广东工业大学 | 3D printing defect repairing method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008146698A1 (en) * | 2007-05-23 | 2008-12-04 | Panasonic Electric Works Co., Ltd. | Process for three-dimensional configuration modeling |
| WO2011001270A2 (en) * | 2009-07-03 | 2011-01-06 | Inspire AG für mechatronische Produktionssysteme und Fertigungstechnik | Device and method for the layered production of a three-dimensional object |
| CN201693175U (en) * | 2010-06-13 | 2011-01-05 | 华南理工大学 | Selective laser melting and forming device for medical magnesium alloy metal parts |
| CN202239628U (en) * | 2011-08-22 | 2012-05-30 | 华南理工大学 | Device for producing non-linear tree-shaped fluid suction cores by using selective laser melting |
| DE102013005008A1 (en) * | 2013-03-22 | 2014-09-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Process for the production of components from a material containing carbon nanotubes |
| CN103862045B (en) * | 2014-03-13 | 2017-01-18 | 湖南华曙高科技有限责任公司 | Powder supplying and spreading method of quick forming equipment |
| CN204366038U (en) * | 2014-12-17 | 2015-06-03 | 华南理工大学 | A kind of two-cylinder type desktop type selective laser melt-forming equipment |
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2014
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Effective date of registration: 20170522 Address after: 510385, Guangzhou, Guangdong Province, Liwan District, No. 21 South Road, 2, 1 building, C seat Patentee after: Guangzhou Lei Jiazeng material science and Technology Co Ltd Address before: 510640 Tianhe District, Guangdong, No. five road, No. 381, Patentee before: South China University of Technology |