CN105014976B - A kind of sealed selective laser fusion apparatus - Google Patents
A kind of sealed selective laser fusion apparatus Download PDFInfo
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- CN105014976B CN105014976B CN201510520004.7A CN201510520004A CN105014976B CN 105014976 B CN105014976 B CN 105014976B CN 201510520004 A CN201510520004 A CN 201510520004A CN 105014976 B CN105014976 B CN 105014976B
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- powder
- selective laser
- fusion apparatus
- laser fusion
- powder bed
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Abstract
The invention discloses a kind of sealed selective laser fusion apparatus, it includes powder bed, powder cylinder under the powder bed, the powder cylinder includes moulding cylinder and powder supply cylinder, it further include the seal cavity cover on the powder bed, molding room is equipped in the seal cavity cover, ancillary chamber and the isolating device between the molding room and ancillary chamber, the molding room is located at the surface of the powder cylinder, doctor assemblies are equipped in it, the bottom plate being mounted on powder bed is equipped in the ancillary chamber, two closed slides being mounted on bottom plate, sliding block on two closed slides is set, the isolating device includes upper, lower stainless steel separator and be set to it is upper, steel band between lower stainless steel separator, the doctor assemblies are connected by transition frame with the sliding block, the transition frame is slidably set on the steel band.The configuration of the present invention is simple can not only prevent powder from polluting guide rail, and bring adversely affects during reducing powdering, also ensure the stability of equipment.
Description
Technical field
The present invention relates to 3D printer technical fields, and in particular to a kind of sealed selective laser fusion apparatus.
Background technique
With the development of science and technology, 3D printer occurs gradually in the visual field of people.Currently, 3D printing technique is base
In the process of powder bed process manufacture entity component.Selective laser melting is that SLM is directly melted using high energy beam laser
Metal powder.Complicated three-dimensional geometry body is converted into two-dimensional surface manufacture by SLM, and manufacturing cost depends not only on the complexity of part
Property, there are also the equipment of manufacture part, the method which substantially applies is as follows: power spreading device layer overlay metal powder on powder cylinder
End, laser beam under control of the computer, according to molded part cross sectional shape, carry out selective scanning to powder, make scanning area
Interior powder bonding or fusing, obtains the monolayer shape of molded part；Then powder cylinder declines the distance of a thickness, power spreading device weight
New powdering continues next layer of molding；So successively superposition, the final metal parts for obtaining geometry in particular.
In part Rapid Prototyping Process, molding room needs guide rail that powder supply mechanism is driven to carry out powdering together, but due at
The temperature that powder bonding or fusing need in type room is higher, and a part of powder can be raised full of entire molding room, and powdering fills
The powdering stroke set is larger, and which results in the powder for forming indoor floating can enter guide rail, so that guide rail is polluted, it is such
Words not only substantially reduce the precision of guide rail, are worn the damage that will lead to entire slide rail by powder for a long time, cause quickly
Molding stops, wasting manpower and material resources and financial resources.
Summary of the invention
In order to solve the above technical problems, a kind of we have proposed structures sealed selective laser simple, easy to maintain
Fusion apparatus, the powder that floating not only can be effectively prevented enter guide rail pollution guide rail, also protect equipment, ensure that powdering
Quality.
In order to achieve the above objectives, technical scheme is as follows:
A kind of sealed selective laser fusion apparatus comprising powder bed, the powder cylinder under the powder bed, the powder cylinder
Including moulding cylinder and powder supply cylinder, further includes the seal cavity cover on the powder bed, be equipped with molding in the seal cavity cover
Room, ancillary chamber and the isolating device between the molding room and ancillary chamber, the molding room are being located at the powder cylinder just
Top, it is interior to be equipped with doctor assemblies, the bottom plate being mounted on powder bed is equipped in the ancillary chamber, two be mounted on bottom plate put down
Row guide rail, the sliding block being arranged on two closed slides, the isolating device include upper and lower stainless steel separator and are set to upper and lower
Steel band between stainless steel separator, the doctor assemblies are connected by transition frame with the sliding block, and the transition frame is slidably set to
On the steel band, the seal cavity cover is square, and is made of upper plate, left plate, right side plate, front door and Rear Door, institute
State Rear Door and be fixedly connected by screw with the upper plate, left and right side plate, one end of the front door be hinged on it is described left or
On right side plate, the other end is fixed on the right or left plate by lockset, and a preventing laser glass is also installed on the front door
Glass form.
Preferably, multiple handles are also uniformly installed on the outer surface of the Rear Door.
Preferably, it is also equipped on the front door periphery and on the seal cavity cover of Rear Door peripheral position close
Strip of paper used for sealing.
Preferably, a laser window is also set in the upper plate, and protection eyeglass is installed in the laser window.
Preferably, multiple filtrating smoke dust mouths are offered on the bottom plate and on right side plate.
Preferably, multiple protection gas entrances are uniformly provided on the powder bed and in the molding room.
Preferably, headlamp is also equipped on the outer surface of the left and right side plate of the molding room.
Preferably, the insulation board of internal filling thermal insulation material is also equipped on the inner surface of the seal cavity cover.
It preferably, further include on a lower surface for being mounted on the powder bed for driving the motor of guide rail movement.
Through the above technical solutions, the beneficial effects of the present invention are: being melted using sealed selective laser of the invention
Equipment is equipped with powder cylinder below powder bed, returns powder cylinder, the transmission mechanism of auxiliary powder is equipped with above powder bed, in powder supply mechanism and
Seal cavity cover is installed, seal cavity cover is integrally installed on powder bed, and only there are front doors and back door outside transmission mechanism
Plate, under shutdown state, front door lock is completely preceding door closure without there are gap, Rear Door is assemblied on back door solid with screw
It is fixed, it can be at fully sealed position.Inside seal cavity cover, molding room and ancillary chamber can be divided into, this two Room have steel band, on not
Rust steel diaphragm and the isolation of lower stainless steel separator, prevent the powder of molding room from penetrating into the ancillary chamber of rear side, can prevent from assisting in this way
Guide rail, synchronous belt in room is contaminated.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of front door open shape of sealed selective laser fusion apparatus disclosed in the embodiment of the present invention 1
The structural schematic diagram of state；
Fig. 2 is a kind of top view of sealed selective laser fusion apparatus disclosed in the embodiment of the present invention 1；
Fig. 3 shows for a kind of structure of the handstand of sealed selective laser fusion apparatus disclosed in the embodiment of the present invention 1
It is intended to.
Wherein appended drawing reference is as follows:
1, powder bed；2, powder cylinder；3, seal cavity cover；4, molding room；5, ancillary chamber；6, doctor assemblies；7, guide rail；8, it is sliding
Block；9, upper stainless steel separator；10, lower stainless steel separator；11, steel band；12, transition frame；13, upper plate；14, left plate；15, it is right
Side plate；16, front door；17, Rear Door；18, lockset；19, form；20, handle；21, sealing strip；22, window；23, headlamp；
24, insulation board；25, moulding cylinder 26, motor；27, powder supply cylinder；28, bottom plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Below with reference to schematic diagram, specific embodiments of the present invention will be described in further detail.
Embodiment 1.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of sealed selective laser fusion apparatus comprising powder bed 1 is set to the powder
Powder cylinder 2 under bed 1, the powder cylinder 2 include moulding cylinder 25 and powder supply cylinder 27, further include the seal cavity on the powder bed 1
Cover 3, in the seal cavity cover 3 equipped with molding room 4, ancillary chamber 5 and between the molding room 4 and ancillary chamber 5 every
From device, the molding room 4 is located at the surface of the powder cylinder 2, is equipped with the bottom plate being mounted on powder bed in the ancillary chamber 5
28, two closed slides 7 being mounted on bottom plate 28, the sliding block 8 being arranged on two closed slides 7, the isolating device packet
Include stainless steel separator 9, lower stainless steel separator 10 and the steel band 11 between upper stainless steel separator 9, lower stainless steel separator 10, institute
Doctor assemblies 6 to be stated to be connected by transition frame 12 with the sliding block 8, the transition frame 12 is slidably set on the steel band 11, at
Type room 4 and ancillary chamber 5 are separated with steel band 11, it is possible to prevente effectively from dust pollution guide rail, synchronous belt.
Continue as shown in Figure 1, Figure 2 and Figure 3, the seal cavity cover 3 is square, by upper plate 13, left plate 14, right side
Plate 15, front door 16 and Rear Door 17 form, and the Rear Door 17 passes through screw and the upper plate 13, left plate 14, right side
Plate 15 is fixedly connected, and one end of the front door 16 is hinged on the left plate 14 or right side plate 15,16 other end of front door
It is fixed on the right side plate 15 or left plate 14 by lockset 18, preventing laser glass view is also installed on the front door 16
Window 19.
Continue as shown in figure 3, be also uniformly equipped with multiple handles 20 on the outer surface of the Rear Door 17, it is easy to maintain.
Continue as shown in Figure 1, on 16 periphery of the front door and on the seal cavity cover 3 of 17 peripheral position of Rear Door
It is also equipped with sealing strip 21, it is ensured that entire space is completely in sealing state.
Continue as shown in Figure 1, also setting a laser window 22 in the upper plate 13, and be equipped in the laser window 22
Protect eyeglass.
Continue to be used for as shown in Figure 1, offer on the bottom plate 28 and multiple filtrating smoke dust mouths 29 on right side plate 15
Flue dust in molding room is filtered, extraneous smoke contamination molding room is avoided.
Continue as shown in Fig. 2, being uniformly provided with multiple protection gas entrances on the powder bed 1 and in the molding room 4
30, for protecting the working environment of molding room.
Continue as shown in Figure 1, being also equipped with photograph on the left plate 14 of the molding room 4, the outer surface of right side plate 15
Bright lamp 23 is easy to observe.
Continue as shown in Fig. 2, being also equipped with the heat preservation of internal filling thermal insulation material on the inner surface of the seal cavity cover 3
Plate 24.
Continue as shown in Figure 1, Figure 3, a powder cylinder 25 is also installed in the side of the powder cylinder 2, for recycling extra powder.
Continue as shown in figure 3, further including the electricity for driving guide rail to move on a lower surface for being mounted on the powder bed 1
Motor is placed on sealing outdoor, can burnt out to avoid because of electromotor high-temperature by machine 26.
The present invention can be divided into molding room inside seal cavity cover using the above sealed selective laser fusion apparatus
And there are steel band, upper stainless steel separator and the isolation of upper stainless steel separator in ancillary chamber, this two Room, prevent the powder of molding room from penetrating into rear side
Ancillary chamber, can prevent guide rail, synchronous belt in ancillary chamber contaminated in this way.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection scope.
Claims (9)
1. a kind of sealed selective laser fusion apparatus comprising powder bed, the powder cylinder under the powder bed, the powder cylinder packet
Include moulding cylinder and powder supply cylinder, which is characterized in that further include the seal cavity cover on the powder bed, in the seal cavity cover
Equipped with molding room, ancillary chamber and the isolating device between the molding room and ancillary chamber, the molding room is located at described
The surface of powder cylinder, it is interior to be equipped with doctor assemblies, it is equipped with the bottom plate being mounted on powder bed in the ancillary chamber, is mounted on bottom plate
Two closed slides, the sliding block that is arranged on two closed slides, the isolating device includes upper and lower stainless steel separator and sets
Steel band between upper and lower stainless steel separator, the doctor assemblies are connected by transition frame with the sliding block, and the transition frame can be slided
Dynamic to be set on the steel band, the seal cavity cover is square, by upper plate, left plate, right side plate, front door and back door board group
At the Rear Door is fixedly connected by screw with the upper plate, left and right side plate, and one end of the front door is hinged on institute
It states on left or right side plate, the other end is fixed on the right or left plate by lockset, and it is anti-that one is also installed on the front door
Laser glass form.
2. a kind of sealed selective laser fusion apparatus according to claim 1, which is characterized in that the Rear Door
Multiple handles are also uniformly installed on outer surface.
3. a kind of sealed selective laser fusion apparatus according to claim 1, which is characterized in that the front door week
Bian Shanghe, which is located on the seal cavity cover of Rear Door peripheral position, is also equipped with sealing strip.
4. a kind of sealed selective laser fusion apparatus according to claim 1, which is characterized in that in the upper plate
A laser window is also set, and protection eyeglass is installed in the laser window.
5. a kind of sealed selective laser fusion apparatus according to claim 1, which is characterized in that on the bottom plate and
Multiple filtrating smoke dust mouths are offered on right side plate.
6. a kind of sealed selective laser fusion apparatus according to claim 1, which is characterized in that on the powder bed and
Multiple protection gas entrances are uniformly provided in the molding room.
7. a kind of sealed selective laser fusion apparatus according to claim 1, which is characterized in that be located at the molding
Headlamp is also equipped on the outer surface of the left and right side plate of room.
8. a kind of sealed selective laser fusion apparatus according to claim 1, which is characterized in that the seal cavity
The insulation board of internal filling thermal insulation material is also equipped on the inner surface of cover.
9. a kind of sealed selective laser fusion apparatus according to claim 1, which is characterized in that further include an installation
The motor for driving guide rail to move on the lower surface of the powder bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510520004.7A CN105014976B (en) | 2015-08-24 | 2015-08-24 | A kind of sealed selective laser fusion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510520004.7A CN105014976B (en) | 2015-08-24 | 2015-08-24 | A kind of sealed selective laser fusion apparatus |
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| CN105014976A CN105014976A (en) | 2015-11-04 |
| CN105014976B true CN105014976B (en) | 2018-12-18 |
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| CN201510520004.7A Active CN105014976B (en) | 2015-08-24 | 2015-08-24 | A kind of sealed selective laser fusion apparatus |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105312572B (en) * | 2015-11-17 | 2017-05-17 | 北京科技大学 | Molten iron alloy low-gravity 3D printing method and device |
| CN105345000B (en) * | 2015-11-26 | 2018-04-10 | 北京隆源自动成型***有限公司 | A kind of selective laser melting (SLM) molding equipment and its adjustable volume section forming room |
| CN105413330B (en) * | 2015-12-31 | 2017-06-27 | 中国航空工业集团公司北京航空制造工程研究所 | Melt the soot processing device of increasing material manufacturing equipment in selective laser |
| US11376791B2 (en) | 2016-05-12 | 2022-07-05 | Hewlett-Packard Development Company, L.P. | Contaminant barrier |
| CN106626394A (en) * | 2016-08-31 | 2017-05-10 | 重庆工商大学 | 3D printer supporting device |
| CN108079904B (en) * | 2017-12-20 | 2019-12-03 | 北京卫星环境工程研究所 | Seal the device for supplying and replenishing method of ablation reaction chamber no particulate matter |
| US11858215B2 (en) | 2018-04-30 | 2024-01-02 | Hewlett-Packard Development Company, L.P. | Build material heaters with baffles |
| CN110181054B (en) * | 2019-07-01 | 2022-03-04 | 广州大学 | Powder paving device for SLM type metal 3D printer |
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| CN105014976A (en) | 2015-11-04 |
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Address after: 215223 Tongan Xi Road, Wujiang District, Suzhou, Jiangsu 13 Applicant after: Suzhou Zhong Rui Zhi Chuang 3D Polytron Technologies Inc Address before: 215223 Tongan Xi Road, Wujiang District, Suzhou, Jiangsu 13 Applicant before: Z Rapid Technologies Co., Ltd. |
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