CN106903313A - Selective laser melting appartus and 3D printer - Google Patents
Selective laser melting appartus and 3D printer Download PDFInfo
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- CN106903313A CN106903313A CN201710237612.6A CN201710237612A CN106903313A CN 106903313 A CN106903313 A CN 106903313A CN 201710237612 A CN201710237612 A CN 201710237612A CN 106903313 A CN106903313 A CN 106903313A
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- printer
- moving member
- slide rail
- movable part
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/22—Driving means
- B22F12/226—Driving means for rotary motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/46—Radiation means with translatory movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Powder Metallurgy (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention relates to selective laser fusing metal 3D printing technique field, more particularly, to a kind of selective laser melting appartus and 3D printer.The selective laser melting appartus include：Fixed part, movable part and travel mechanism；Movable part is slidably connected with fixed part；Travel mechanism is connected with movable part, for driving the movable part portion of being relatively fixed along the circumferential direction to move；Movable part is used to install the laser coupled and excitation mechanism of 3D printer.Travel mechanism drives movable part to drive laser coupled to move and work with excitation mechanism, user can need to control the diameter of laser coupled and excitation mechanism movement locus according to scantling, so cause that laser coupled is wider with the scope of activities of excitation mechanism, the limitation of its not Stimulated Light galvanometer deflection angle, the scope that laser beam is irradiated to metal powder layer is larger, make the circle tube member size of technology equipment shaping larger, be conducive to the technology and its be equipped in worldwide popularization and application.
Description
Technical field
The present invention relates to selective laser fusing metal 3D printing technique field, melted more particularly, to a kind of selective laser and filled
Put and 3D printer.
Background technology
Increasing material manufacturing 3D printing technique be one kind based on mathematical model file (CAD), with powdery metal, PVC,
Resin, fiber and other material, by special by way of fusion sediment, laser sintered, laser fusion, laser curing, laser melting coating
With software to CAD 3D configuration object, dimensionality reduction section is carried out, then by the constructing technology of piece successively printing objects, it is manufacture
The emerging technology developed rapidly in industry, in Britain《Economist》Magazine《The third time industrial revolution》Claimed in one text
One of important symbol for the third time industrial revolution.
Selective laser fusing metal 3D printing technique is to utilize high energy density laser beam under control of a computer program
Be scanned, the metal powder layer that will be laid in advance carry out selective melting and with matrix metallurgical binding, then constantly successively
Powdering, scanning, fusing, are finally completed the manufacturing process of 3-dimensional metal parts, and it is current increasing material manufacturing high-end field application
A kind of more metal 3D printing technique.The technology can manufacture the metal parts of complicated shape, and its profiled member mechanical property is good, essence
Degree is high, and shaped component can reach the consistency that conventional metallurgical is made part more than 99%, in medical treatment, Aero-Space, research and development of products etc.
There is important application in field.
The laser beam of fusing metal 3D printer in selective laser of the prior art is by laser vibration mirror reflected to metal
Powder bed carries out selective melting to it, and laser beam irradiation metal dust is adjusted by adjusting the deflection angle of laser galvanometer
The position of layer, so as to dissolve the metal powder layer of various location.But due to the limitation of Stimulated Light galvanometer deflection angle so that swash
The scope that light light beam is irradiated to metal powder layer is smaller, makes the columnar member diameters of technology equipment shaping smaller,
Seriously restrict the technology and its be equipped in worldwide popularization and application.
Shown according to known data, the full-size component body that the current world is molded with selective laser melting process equipment
Product is 500mm long × 500mm wide × 500mm high.The Department of Science and Technology of China in 2016 is total to the key scientific and technological projects of material increasing field
400,000,000 yuan or so of state revenue funds are set aside, wherein to two tackling of key scientific and technical problems inputs of selective laser melting process equipment
3850.00 ten thousand yuan, one of which is exactly the technical equipment of forming dimension scope >=500mm × 500mm × 500mm of tackling key problems, this
The mesh implementation cycle is 5 years.It is now big more than 500mm × 500mm × 500mm volumes with the technical equipment forming dimension scope
Size members, have become the important competition direction that intelligent high-end manufacturing technology commanding elevation is seized in countries in the world.
The content of the invention
It is used for selective laser melting appartus and 3D printer it is an object of the invention to provide one kind, to solve prior art
Present in be molded the less technical problem of columnar member diameters.
A kind of selective laser melting appartus that the present invention is provided, the selective laser melting appartus include：Fixed part, activity
Portion and travel mechanism；The movable part is slidably connected with the fixed part；The travel mechanism is connected with the movable part, uses
Along the circumferential direction moved relative to the fixed part in the movable part is driven；The travel mechanism is used for the control with 3D printer
System is electrically connected；The movable part is used to install the laser coupled and excitation mechanism of 3D printer；The fixed part is used for and 3D
The casing of printer is fixedly connected.
Further, the movable part includes moving member and installed part；The installed part is fixedly connected with the moving member；
The installed part is used to install the laser coupled and excitation mechanism of 3D printer；The moving member is slided with the fixed part and connected
Connect；The travel mechanism is connected with the moving member, for driving the relatively described fixed part of the moving member to move in a circle.
Further, the movable part includes moving member, installed part and rotating mechanism；The installed part and the movement
Part rotates connection；The rotating mechanism is connected with the installed part, for driving the installed part to be rotated relative to the moving member；
The rotating mechanism is used to be electrically connected with the control system of 3D printer；The installed part is used to install the laser coupling of 3D printer
Close and excitation mechanism；The moving member is slidably connected with the fixed part；The travel mechanism is connected with the moving member, is used for
The relatively described fixed part of the moving member is driven to move in a circle.
Further, the fixed part is in the slide rail of annular；The moving member includes mobile foundation；The mobile base
Seat is slidably connected with the slide rail.
Further, the slide rail includes multiple sub- rails in circular arc；Multiple sub- rails are in turn connected to form annulus
Shape；The mobile foundation includes multiple sub-bases；The travel mechanism includes multiple moving structures；The installed part includes multiple
Sub- mounting seat；
Multiple sub-bases are corresponded with multiple sub- rails and set；Each described sub-base with a son
Rail is slidably connected；Multiple sub- mounting seats are corresponded with multiple sub-bases and are fixedly connected；Each described sub- mounting seat
It is used to install the laser coupled and excitation mechanism of 3D printer；
Multiple moving structures correspond setting, each described moving structure and an institute with multiple sub-bases
Sub-base connection is stated, for driving the sub-base to be slided along the bearing of trend of the sub- rail.
Further, the moving member includes interior side roller and outer side roller；The interior side roller and the mobile foundation
One end near the inner ring of the slide rail rotates connection；The outer side roller is with the mobile foundation near the outer ring of the slide rail
One end rotate connection；The interior side roller is vertically arranged with the outer side roller, and is abutted with the slide rail.
Further, the diameter with diameter greater than the interior side roller of the outer side roller；On the slide rail, along outer ring extremely
The direction of inner ring, is sequentially arranged at intervals with the outside chute and inner side chute in annular；The outer side roller is arranged on institute
State in the chute of outside；The interior side roller is arranged in the inner side chute, and the depth of the inner side chute is less than the outside
The depth of chute, the depth difference and the outboard wheel radius and the nearside wheel radius of the inner side chute and the outside chute
Difference it is identical.
Further, it is provided with cross spacing structure on the mobile foundation；The cross spacing structure is used to prevent institute
Mobile foundation is stated to be moved along the width of the slide rail.
Further, the cross spacing structure include being rotated with the mobile foundation the outer rock-steady structure wheel that is connected and
Interior rock-steady structure wheel；The outer rock-steady structure wheel and the interior rock-steady structure wheel are horizontally disposed with；The outer rock-steady structure wheel position
One end of the outer ring of the slide rail is close in the mobile foundation；The interior rock-steady structure wheel is located at the mobile foundation near institute
State one end of the inner ring of slide rail；The outer rock-steady structure wheel and the interior rock-steady structure wheel respectively with the outer ring side wall of the slide rail
Abutted with inner ring side wall.
Further, the present invention also provides a kind of 3D printer, and the 3D printer includes selective laser of the present invention
Melting appartus.
The selective laser melting appartus that the present invention is provided, including fixed part, movable part and travel mechanism.When in use,
The laser coupled and excitation mechanism of 3D printer are installed, fixed part is fixedly connected on the casing of 3D printer, is moved on movable part
Motivation structure is electrically connected with the control system of 3D printer.The control system control travel mechanism of 3D printer, travel mechanism drives
The movable part portion of being relatively fixed moves in a circle, meanwhile, laser coupled moves in a circle with excitation mechanism, and laser beam is irradiated to gold
Melted on category powder bed, so as to produce columnar component.
The selective laser melting appartus that the present invention is provided, travel mechanism drives movable part to drive laser coupled and excitation mechanism
Move and work, user can need control laser coupled big with the diameter of excitation mechanism movement locus according to scantling
It is small, so that laser coupled is wider with the scope of activities of excitation mechanism, the limitation of its not Stimulated Light galvanometer deflection angle, laser
The scope that light beam is irradiated to metal powder layer is larger, makes the circle tube member size of technology equipment shaping larger, favorably
In the technology and its be equipped in it is worldwide popularization with application.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, below will be to specific
The accompanying drawing to be used needed for implementation method or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of selective laser melting appartus provided in an embodiment of the present invention；
Fig. 2 is the structural representation of sub- rail provided in an embodiment of the present invention；
Fig. 3 is another structural representation of selective laser melting appartus provided in an embodiment of the present invention；
Fig. 4 is the structural representation of move portion provided in an embodiment of the present invention.
Reference：
1- fixed parts；2- movable parts；The outer side rollers of 3-；
Side roller in 4-；Chute on the outside of 5-；6- inner sides chute；
The outer rock-steady structure wheels of 7-；Rock-steady structure wheel in 8-；11- slide rails；
The sub- rails of 111-；21- moving members；211- sub-bases；
12- outer rings side wall；13- inner rings side wall；22- installed parts.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify describe, rather than indicate imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Fig. 1 is the structural representation of selective laser melting appartus provided in an embodiment of the present invention；Fig. 3 is the embodiment of the present invention
Another structural representation of the selective laser melting appartus of offer；As shown in figures 1 and 3, one kind provided in an embodiment of the present invention
Selective laser melting appartus, the selective laser melting appartus include：Fixed part 1, movable part 2 and travel mechanism；Movable part 2 with
Fixed part 1 is slidably connected；Travel mechanism is connected with movable part 2, is along the circumferential direction moved for driving movable part 2 to be relatively fixed portion 1
It is dynamic；Travel mechanism is used to be electrically connected with the control system of 3D printer；Movable part 2 be used to installing the laser coupled of 3D printer with
Excitation mechanism；Fixed part 1 is used to be fixedly connected with the casing of 3D printer.
Selective laser melting appartus provided in an embodiment of the present invention, including fixed part 1, movable part 2 and travel mechanism.
The laser coupled and excitation mechanism of 3D printer are installed, fixed part 1 is fixedly connected on 3D printer when using, on movable part 2
On casing, travel mechanism electrically connects with the control system of 3D printer.The control system control travel mechanism of 3D printer, it is mobile
Mechanism drives movable part 2 to be relatively fixed portion 1 and moves in a circle, meanwhile, laser coupled moves in a circle with excitation mechanism, laser light
Beam is irradiated on metal powder layer and is melted, so as to produce columnar component.
Selective laser melting appartus provided in an embodiment of the present invention, travel mechanism drive movable part 2 drive laser coupled with
Excitation mechanism is moved and worked, and user can need control laser coupled and excitation mechanism movement locus according to scantling
Diameter, so that laser coupled is wider with the scope of activities of excitation mechanism, its not Stimulated Light galvanometer deflection angle
Limitation, the scope that laser beam is irradiated to metal powder layer is larger, the technology is equipped the circle tube member size of shaping
It is larger, be conducive to the technology and its be equipped in worldwide popularization and application.
Wherein, the structure type of travel mechanism can be various, for example, travel mechanism includes motor, external gear and external tooth
Take turns the central gear being meshed with internal gear to the internal gear of engagement.External gear is fixed on fixed part 1, and central gear is rotated
It is connected on fixed part 1, and central gear is located at the center of external gear.Movable part 2 is fixed on internal gear, motor and center
Gear is fixedly connected.When in use, motor drives central gear to rotate, and central gear drives internal gear to be rotated along external gear, from
And drive movable part 2 to be moved along external gear, move in a circle.
And for example, travel mechanism includes motor and rotating disk.Rotating disk and fixed part 1 rotate connection, meanwhile, rotating disk is fixed with motor
Connection, movable part 2 is fixedly installed on the edge of rotating disk.When in use, motor drives rotating disk to rotate, and movable part 2 is around rotating disk
Center moves in a circle.
As shown in figure 3, on the basis of above-described embodiment, further, movable part 2 includes moving member 21 and installed part
22；Installed part 22 is fixedly connected with moving member 21；Installed part 22 is used to install the laser coupled and excitation mechanism of 3D printer；Move
Moving part 21 is slidably connected with fixed part 1；Travel mechanism is connected with moving member 21, is done for driving moving member 21 to be relatively fixed portion 1
Circular motion.
In the present embodiment, movable part 2 is set to moving member 21 and installed part 22, installed part 22 is fixed with moving member 21 and connected
Connect, installed part 22 is used to install the laser coupled and excitation mechanism of 3D printer, so sets, laser coupled is with excitation mechanism only
Portion 1 is relatively fixed with installed part 22 to move in a circle, facilitate the installation of laser coupled and excitation mechanism.
On the basis of above-described embodiment, further, movable part 2 includes moving member 21, installed part 22 and rotating machine
Structure；Installed part 22 is rotated with moving member 21 and is connected；Rotating mechanism is connected with installed part 22, is relatively moved for drive installation part 22
Part 21 is rotated；Rotating mechanism is used to be electrically connected with the control system of 3D printer；Installed part 22 is used to install swashing for 3D printer
Optical coupling and excitation mechanism；Moving member 21 is slidably connected with fixed part 1；Travel mechanism is connected with moving member 21, is moved for driving
Moving part 21 is relatively fixed portion 1 and moves in a circle.
In the present embodiment, installed part 22 is rotated with moving member 21 and is connected, rotating mechanism drive installation part 22 is rotated,
That is, laser coupled is rotated with excitation mechanism relative movable parts 21, and now, laser coupled and excitation mechanism can move in a circle
Relative movable parts 21 are rotated simultaneously so that laser coupled is wider with the coverage of the light beam of excitation mechanism, more convenient to make
With.
As shown in figure 1, on the basis of above-described embodiment, further, fixed part 1 is in the slide rail 11 of annular；Move
Moving part 21 includes mobile foundation；Mobile foundation is slidably connected with slide rail 11.
In the present embodiment, fixed part 1 is set in the slide rail 11 of annular, the bootable mobile foundation of slide rail 11 is along pre-
Set direction is moved, while annular can mitigate the weight of fixed part 1.
Wherein, the slide rail 11 can be integral type structure, or split-type structural.
Fig. 2 is the structural representation of sub- rail provided in an embodiment of the present invention；As depicted in figs. 1 and 2, in above-described embodiment
On the basis of, further, slide rail 11 includes multiple sub- rails 111 in circular arc；Many sub- rails 111 are in turn connected to form annulus
Shape；Mobile foundation includes multiple sub-bases 211；Travel mechanism includes multiple moving structures；Installed part 22 is installed including many height
Seat；Multiple sub-bases 211 are corresponded with many sub- rails 111 and set；Each sub-base 211 is slided with a sub- rail 111 and connected
Connect；Many sub- mounting seats are corresponded with multiple sub-bases 211 and are fixedly connected；Every sub- mounting seat is used to install 3D printer
Laser coupled and excitation mechanism；Multiple moving structures are corresponded with multiple sub-bases 211 and set, each moving structure and
Individual sub-base 211 is connected, for driving sub-base 211 to be slided along the bearing of trend of sub- rail 111.
In the present embodiment, many sub- rails 111 are spliced to form slide rail 11, cunning sets a sub-base on every sub- rail 111
211, a sub- mounting seat is connected in each sub-base 211, a laser coupled and excitation mechanism are installed in every sub- mounting seat,
Multiple laser coupleds can so slided simultaneously with excitation mechanism on corresponding sub- rail 111 carries out fusing work.
In the present embodiment, the setting of many sub- rails 111 and many sub- mounting seats may be such that multiple laser coupleds and exactor
Structure works simultaneously, improves the melt-processed efficiency of component.
Fig. 4 is the structural representation of move portion provided in an embodiment of the present invention, as shown in Figure 3 and Figure 4, in above-described embodiment
On the basis of, further, moving member 21 includes interior side roller 4 and outer side roller 3；Interior side roller 4 is with mobile foundation near cunning
One end of the inner ring of rail 11 rotates connection；Outer side roller 3 is rotated near one end of the outer ring of slide rail 11 with mobile foundation and is connected；It is interior
Side roller 4 is vertically arranged with outer side roller 3, and is abutted with slide rail 11.
In the present embodiment, interior side roller 4 and outer side roller 3 are set on mobile foundation, by interior side roller 4 and outer sideslip
The mobile friction of mobile foundation and fixed part 1 is converted into rolling friction by wheel 3, reduces frictional force and frictional dissipation, is extended
The service life of mobile foundation.
As shown in figure 3, on the basis of above-described embodiment, further, outer side roller 3 with diameter greater than interior side roller 4
Diameter；On slide rail 11, along the direction of outer ring to inner ring, the outside chute 5 in annular and inner side are sequentially arranged at intervals with
Chute 6；Outer side roller 3 is arranged in the chute 5 of outside；Interior side roller 4 is arranged in the chute 6 of inner side, and the depth of inner side chute 6 is small
In the depth of outside chute 5, depth difference and outboard wheel radius and the difference of nearside wheel radius of inner side chute 6 and outside chute 5
It is identical.
In the present embodiment, by the depth difference of inner side chute 6 and outside chute 5 and outboard wheel radius and the difference of nearside wheel radius
Value is set to identical, may be such that the rotating shaft of interior side roller 4 is concordant with the rotating shaft of outer side roller 3, and now, mobile foundation can keep water
Level state, prevents mobile foundation from inclining.
Wherein, the interior side roller 4 in the present embodiment is respectively independently rotated with mobile foundation with outer side roller 3 and is connected.
Interior side roller 4 and outer side roller 3 can be respectively two.By four pulley support mobile foundations, the steady of mobile foundation can be increased
It is qualitative.
On the basis of above-described embodiment, further, cross spacing structure is provided with mobile foundation；Cross spacing knot
Structure is used to prevent mobile foundation from being moved along the width of slide rail 11.
In the present embodiment, cross spacing structure is set on mobile foundation, it is horizontal during mobile foundation circular motion
Can prevent mobile foundation from being moved along the width of slide rail 11 to position limiting structure, that is, mobile foundation can be prevented in slide rail 11
Width double swerve, further improves the stability of mobile foundation, so that it is accurate with excitation mechanism light beam to improve laser coupled
Predeterminated position is really irradiated to, the precision of processing and manufacturing is improved.
Wherein, the structure type of cross spacing structure can be various, for example, cross spacing structure includes limited block, limit
Position block is fixedly connected with mobile foundation, the left end and right-hand member of limited block respectively with the outer ring side wall 12 and inner ring side wall 13 of slide rail 11
Abut.The outer ring side wall 12 and inner ring side wall 13 of slide rail 11 apply active force with limited block respectively, and limited block is limited in the horizontal
Position, so as to mobile foundation is spacing in the horizontal.
As shown in Figure 3 and Figure 4, on the basis of above-described embodiment, further, cross spacing structure include with movement
Pedestal rotates the outer rock-steady structure wheel 7 and interior rock-steady structure wheel 8 of connection；Outer rock-steady structure wheel 7 and the equal level of interior rock-steady structure wheel 8
Set；Outer rock-steady structure wheel 7 is located at the one end of mobile foundation near the outer ring of slide rail 11；Interior rock-steady structure wheel 8 is located at mobile base
Seat against one end of the inner ring of nearly slide rail 11；Outer rock-steady structure wheel 7 and interior rock-steady structure wheel 8 respectively with the outer ring side wall 12 of slide rail 11
Abutted with inner ring side wall 13.
In the present embodiment, outer rock-steady structure wheel 7 and interior rock-steady structure wheel 8 respectively with the outer ring side wall 12 and inner ring of slide rail 11
Side wall 13 is abutted, and the external rock-steady structure wheel 7 of outer ring side wall 12 applies active force, and rock-steady structure wheel 8 applies in 13 pairs, inner ring side wall
Active force, both active forces are opposite so that mobile foundation is spacing in predeterminated position on lateral stability ground.Meanwhile, outer rock-steady structure
Wheel 7 and interior rock-steady structure wheel 8 can reduce the frictional force of mobile foundation and slide rail 11, reduce frictional dissipation.
On the basis of above-described embodiment, further, the embodiment of the present invention also provides a kind of 3D printer, the 3D printing
Machine includes selective laser melting appartus of the invention.The operation principle of selective laser melting appartus ibid, will not be repeated here.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of selective laser melting appartus, it is characterised in that including：Fixed part, movable part and travel mechanism；
The movable part is slidably connected with the fixed part；The travel mechanism is connected with the movable part, described for driving
Movable part is along the circumferential direction moved relative to the fixed part；The travel mechanism is used to be electrically connected with the control system of 3D printer
Connect；The movable part is used to install the laser coupled and excitation mechanism of 3D printer；The fixed part is used for and 3D printer
Casing is fixedly connected.
2. selective laser melting appartus according to claim 1, it is characterised in that the movable part includes moving member and peace
Piece installing；
The installed part is fixedly connected with the moving member；The installed part is used to install the laser coupled of 3D printer and excite
Mechanism；
The moving member is slidably connected with the fixed part；The travel mechanism is connected with the moving member, described for driving
The relatively described fixed part of moving member moves in a circle.
3. selective laser melting appartus according to claim 1, it is characterised in that the movable part includes moving member, peace
Piece installing and rotating mechanism；
The installed part is rotated with the moving member and is connected；The rotating mechanism is connected with the installed part, described for driving
Installed part is rotated relative to the moving member；The rotating mechanism is used to be electrically connected with the control system of 3D printer；The installation
Part is used to install the laser coupled and excitation mechanism of 3D printer；
The moving member is slidably connected with the fixed part；The travel mechanism is connected with the moving member, described for driving
The relatively described fixed part of moving member moves in a circle.
4. selective laser melting appartus according to Claims 2 or 3, it is characterised in that the fixed part is in annular
Slide rail；The moving member includes mobile foundation；The mobile foundation is slidably connected with the slide rail.
5. selective laser melting appartus according to claim 4, it is characterised in that the slide rail includes that multiple is in circular arc
Sub- rail；Multiple sub- rails are in turn connected to form annular；The mobile foundation includes multiple sub-bases；The travel mechanism
Including multiple moving structures；The installed part includes many sub- mounting seats；
Multiple sub-bases are corresponded with multiple sub- rails and set；Each described sub-base sub- rail described with is slided
Dynamic connection；Multiple sub- mounting seats are corresponded with multiple sub-bases and are fixedly connected；Each described sub- mounting seat is used
In the laser coupled and excitation mechanism of installing 3D printer；
Multiple moving structures correspond setting, each described moving structure and a son with multiple sub-bases
Pedestal is connected, for driving the sub-base to be slided along the bearing of trend of the sub- rail.
6. selective laser melting appartus according to claim 4, it is characterised in that the moving member include interior side roller and
Outer side roller；
The interior side roller is rotated near one end of the inner ring of the slide rail with the mobile foundation and is connected；The outer side roller with
The mobile foundation rotates connection near one end of the outer ring of the slide rail；The interior side roller is vertical with the outer side roller
Set, and abutted with the slide rail.
7. selective laser melting appartus according to claim 6, it is characterised in that the outer side roller with diameter greater than institute
State the diameter of interior side roller；On the slide rail, along the direction of outer ring to inner ring, the outside in annular is sequentially arranged at intervals with
Chute and inner side chute；
The outer side roller is arranged in the outside chute；The interior side roller is arranged in the inner side chute, described interior
The depth of sideslip groove is less than the depth of the outside chute, and the inner side chute is outer with described with the depth difference of the outside chute
Side wheel radius is identical with the difference of the nearside wheel radius.
8. selective laser melting appartus according to claim 4, it is characterised in that be provided with transverse direction on the mobile foundation
Position limiting structure；The cross spacing structure is used to prevent the mobile foundation from being moved along the width of the slide rail.
9. selective laser melting appartus according to claim 8, it is characterised in that the cross spacing structure include with
The mobile foundation rotates the outer rock-steady structure wheel and interior rock-steady structure wheel of connection；
The outer rock-steady structure wheel and the interior rock-steady structure wheel are horizontally disposed with；The outer rock-steady structure wheel is located at the movement
The one end of pedestal near the outer ring of the slide rail；The interior rock-steady structure wheel is located at the mobile foundation near the interior of the slide rail
One end of circle；The outer rock-steady structure wheel and the interior rock-steady structure wheel respectively with the outer ring side wall and inner ring side wall of the slide rail
Abut.
10. a kind of 3D printer, it is characterised in that including the selective laser melting appartus as described in claim any one of 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710237612.6A CN106903313B (en) | 2017-04-12 | 2017-04-12 | Selective laser melting device and 3D printer |
| PCT/CN2018/000092 WO2018188384A1 (en) | 2017-04-12 | 2018-03-06 | Selective laser melting device and 3d printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710237612.6A CN106903313B (en) | 2017-04-12 | 2017-04-12 | Selective laser melting device and 3D printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106903313A true CN106903313A (en) | 2017-06-30 |
| CN106903313B CN106903313B (en) | 2020-01-31 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710237612.6A Active CN106903313B (en) | 2017-04-12 | 2017-04-12 | Selective laser melting device and 3D printer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106903313B (en) |
| WO (1) | WO2018188384A1 (en) |
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| WO2018188384A1 (en) * | 2017-04-12 | 2018-10-18 | 窦鹤鸿 | Selective laser melting device and 3d printer |
| WO2018188386A1 (en) * | 2017-04-12 | 2018-10-18 | 窦鹤鸿 | Selective laser melting device and assembly, and 3d printer |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018188384A1 (en) | 2018-10-18 |
| CN106903313B (en) | 2020-01-31 |
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