CN106825572A - Selective laser melting appartus and 3D printer - Google Patents
Selective laser melting appartus and 3D printer Download PDFInfo
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- CN106825572A CN106825572A CN201710237604.1A CN201710237604A CN106825572A CN 106825572 A CN106825572 A CN 106825572A CN 201710237604 A CN201710237604 A CN 201710237604A CN 106825572 A CN106825572 A CN 106825572A
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- mechanical arm
- selective laser
- rotating mechanism
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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
- 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
- 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]
-
- 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
- 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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- 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)
- Laser Beam Processing (AREA)
- Powder Metallurgy (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 seat, drive mechanism, the first rotating mechanism, turning arm and mechanical arm；One end of turning arm is rotated with fixed seat and is connected, and the other end is rotated with one end of mechanical arm and is connected；Drive mechanism is connected with turning arm, is rotated for driving turning arm to be relatively fixed seat, so that mechanical arm is movable；First rotating mechanism is connected with mechanical arm, is rotated for driving mechanical arm to rotate against arm, so that mechanical arm is moved left and right.Before and after drive mechanism and the first rotating mechanism driving mechanical arm and move left and right, 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, shaped component size is larger, is conducive to the technology and its is 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, section dimensionality reduction is carried out, be manufacturing industry then by the constructing technology of piece successively printing objects
In an emerging technology developing rapidly, in Britain《Economist》Magazine《The third time industrial revolution》It is referred to as in one text
One of important symbol of 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, are that current material increasing field application is more
A kind of metal 3D printing technique.The technology can manufacture the metal parts of complicated shape, and its profiled member mechanical property is good, high precision,
Consistency is made part more than 99% up to conventional metallurgical, equal in fields such as medical treatment, Aero-Space, military project, Construction of Nuclear Electricity, research and development of products
There is important application.
The laser beam of fusing 3D printer in selective laser of the prior art is by laser vibration mirror reflected to metal dust
Layer carries out selective melting to it, and laser beam irradiation metal powder layer is adjusted by adjusting the deflection angle of laser galvanometer
Position, so as to melt the metal powder layer of various location.But due to the limitation of Stimulated Light galvanometer deflection angle so that laser light
The scope that beam is irradiated to metal powder layer is smaller, makes technology equipment shaping scantling smaller, seriously restricts the technique
Technology and its be equipped in it is worldwide popularization with 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 an object of the invention to provide selective laser melting appartus and 3D printer, to solve present in prior art
The less technical problem of constituting parts size that 3D printer can be molded.
A kind of selective laser melting appartus that the present invention is provided, the selective laser melting appartus include：Fixed seat, driving
Mechanism, the first rotating mechanism, turning arm and mechanical arm；One end of the turning arm rotates with the fixed seat and is connected, another
Hold to be rotated with one end of the mechanical arm and be connected；The drive mechanism is connected with the turning arm, for driving the turning arm
Rotated relative to the fixed seat, so that the mechanical arm is movable；First rotating mechanism is connected with the mechanical arm, uses
In driving the mechanical arm to be rotated relative to the turning arm, so that the mechanical arm is moved left and right；
The fixed seat is used to be fixed on the casing of 3D printer；It is used to that swashing for 3D printer be installed on the mechanical arm
Optical coupling and excitation mechanism；The drive mechanism is used to be electrically connected with the control system of 3D printer with first rotating mechanism
Connect.
Further, the mechanical arm includes the first sub- arm, the second sub- arm and the second rotating mechanism；The first sub- arm
Rotated with the described second sub- arm and be connected；Second rotating mechanism is connected with the described second sub- arm, for driving second son
Arm is rotated relative to the described first sub- arm, so that the second sub- arm is moved left and right；Second rotating mechanism is used for and 3D printing
The control system electrical connection of machine；First rotating mechanism is connected with the described first sub- arm, for driving the described first sub- arm phase
The turning arm is rotated.
Further, the mechanical arm also includes the 3rd sub- arm；One end of the 3rd sub- arm and the described second sub- arm
One end connects；It is used to install the laser coupled and excitation mechanism of 3D printer on the 3rd sub- arm.
Further, the mechanical arm also includes the 3rd rotating mechanism；One end of the 3rd sub- arm and the described second son
One end of arm rotates connection；3rd rotating mechanism is connected with the 3rd sub- arm, for driving the 3rd sub- arm relative
The second sub- arm is rotated；3rd rotating mechanism is used to be electrically connected with the control system of 3D printer.
Further, the drive mechanism includes motor；The motor is arranged in the fixed seat；It is described
Turning arm is fixedly connected with the power output shaft of the motor.
Further, the rotating mechanism includes rotary electric machine, rotating shaft, the active being fixedly installed on the rotary electric machine
Gear, the driven gear being fixedly installed in the rotating shaft；The axis of rotation is located in the turning arm away from the fixation
One end of seat, one end of the mechanical arm is fixedly connected with the rotating shaft；The rotary electric machine is arranged on the mechanical arm, institute
Driving gear is stated to be engaged with the driven gear.
Further, on the outer wall of the rotating shaft, along the circumference of the rotating shaft, multiple fixations are sequentially arranged at intervals with convex
Rise；One end of the mechanical arm is provided with connecting cylinder；On the inwall of the connecting cylinder, along the circumference of the connecting cylinder, successively between
Ground is provided with multiple fixed grooves；Multiple fixed grooves correspond clamping and set with multiple fixed lobes.
Further, one end of the mechanical arm is arranged at intervals with two stators；It is respectively provided with each described stator
There is the through hole for wearing the rotating shaft；The fixed lobe and the connecting cylinder are respectively positioned between two stators.
Further, second rotating mechanism is identical with the structure type of first rotating mechanism.
Further, the present invention also provides a kind of 3D printer, and the 3D printer is selected including laser of the present invention
Area's melting appartus.
The selective laser melting appartus that the present invention is provided, including fixed seat, drive mechanism, the first rotating mechanism, turning arm
And mechanical arm, when in use, fixed seat is fixed on the casing of 3D printer, and laser coupled is arranged on machinery with excitation mechanism
On arm, drive mechanism and the first rotating mechanism are electrically connected with the control system of 3D printer.The control system control of 3D printer
Drive mechanism and the first rotating mechanism, drive mechanism drive turning arm to be relatively fixed seat rotation, so that mechanical arm is movable, the
One rotating mechanism drives mechanical arm to rotate against arm rotation, so that mechanical arm is moved left and right, so that the laser on mechanical arm
Coupling is front and rear with excitation mechanism or moves left and right, and adjustment laser coupled, to predeterminated position, light beam is irradiated to excitation mechanism
Metal powder layer on working face carries out selective melting, is finally completed the shaping manufacture of component.
It is before and after the selective laser melting appartus that the present invention is provided, drive mechanism and the first rotating mechanism driving mechanical arm and left
Move right, so as to drive laser coupled to move and work with excitation mechanism, so that laser coupled and excitation mechanism
The limitation of working (finishing) area not Stimulated Light galvanometer deflection angle, the scope that laser beam is irradiated to metal powder layer is greatly improved, and is fitted
The technical equipment for producing various forms and structural form, user can be according to the size of equipment and actual profiled member chi
The need for very little, the quantity of selective laser melting appartus of the invention is increased on same equipment, can just meet more volume composition
The processing of part needs, such as：3 meters, 5 meters of constituting parts volume length or even bigger volume size.Be conducive to the technology
And its it is equipped in worldwide popularization and 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 that the partial structurtes of turning arm and mechanical arm in selective laser melting appartus provided in an embodiment of the present invention are illustrated
Figure；
Fig. 3 is the structural representation of rotating shaft in selective laser melting appartus provided in an embodiment of the present invention；
Fig. 4 is the structural representation of connecting cylinder in selective laser melting appartus provided in an embodiment of the present invention；
Fig. 5 is the top view of drive mechanism in selective laser melting appartus provided in an embodiment of the present invention；
Fig. 6 is the structural representation of rotating shaft and stator in selective laser melting appartus provided in an embodiment of the present invention.
Reference：
1- fixed seats；2- turning arms；3- mechanical arms；
4- rotating shafts；5- driving gears；6- driven gears；
7- fixed lobes；8- connecting cylinders；9- fixed grooves；
10- motors；11- first gears；12- fixing axles；
13- second gears；14- stators；15- copper sheathings；
The sub- arms of 31- first；The sub- arms of 32- second；The sub- arms of 33- the 3rd；
34- connectors.
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；As shown in figure 1, of the invention
A kind of selective laser melting appartus that embodiment is provided, the selective laser melting appartus include：Fixed seat 1, drive mechanism, first
Rotating mechanism, turning arm 2 and mechanical arm 3；One end of turning arm 2 and fixed seat 1 are rotated and be connecteds, the other end and mechanical arm 3
One end rotates connection；Drive mechanism is connected with turning arm 2, is rotated for driving turning arm 2 to be relatively fixed seat 1, so that mechanical arm 3
It is movable；First rotating mechanism is connected with mechanical arm 3, is rotated for driving mechanical arm 3 to rotate against arm 2, so that mechanical arm 3
Move left and right；Fixed seat 1 is used to be fixed on the casing of 3D printer；It is used to install the laser coupling of 3D printer on mechanical arm 3
Close and excitation mechanism；Drive mechanism is used to be electrically connected with the control system of 3D printer with the first rotating mechanism.
Selective laser melting appartus provided in an embodiment of the present invention, including fixed seat 1, drive mechanism, the first rotating mechanism,
Turning arm 2 and mechanical arm 3, when in use, fixed seat 1 is fixed on the casing of 3D printer, laser coupled and excitation mechanism
On mechanical arm 3, drive mechanism and the first rotating mechanism are electrically connected with the control system of 3D printer.The control of 3D printer
System processed controls drive mechanism and the first rotating mechanism, and drive mechanism drives turning arm 2 to be relatively fixed seat 1 and rotates, so that mechanical
Arm 3 is moved forward and backward, and the first rotating mechanism drives mechanical arm 3 to rotate against arm 2 and rotates, so that mechanical arm 3 is moved left and right, that is,
Mechanical arm 3 is moved left and right away from one end of turning arm 2, so as to adjust end of mechanical arm 3 to the distance of fixed seat 1 so that machine
Laser coupled on tool arm 3 is relatively fixed before and after seat 1 or moves left and right with excitation mechanism, adjusts laser coupled and excitation mechanism
To predeterminated position, metal powder layer light beam being irradiated on working face carries out selective melting, is finally completed the shaping of component
Manufacture.
It is before and after the selective laser melting appartus that the present invention is provided, drive mechanism and the first rotating mechanism driving mechanical arm and left
Move right, so as to drive laser coupled to move and work with excitation mechanism, so that laser coupled and excitation mechanism
The limitation of working (finishing) area not Stimulated Light galvanometer deflection angle, the scope that laser beam is irradiated to metal powder layer is greatly improved, and is fitted
The technical equipment for producing various forms and structural form, user can be according to the size of equipment and actual profiled member chi
The need for very little, the quantity of selective laser melting appartus of the invention is increased on same equipment, can just meet more volume composition
The processing of part needs, such as：3 meters, 5 meters of constituting parts volume length or even bigger volume size.Be conducive to the technology
And its it is equipped in worldwide popularization and application.
, wherein it is desired to explanation, the left and right described in the present invention refers to the direction in Fig. 1 from left to right, and front and rear refers to vertical
Directly with the direction of plane where Fig. 1.
Fig. 5 is the top view of drive mechanism in selective laser melting appartus provided in an embodiment of the present invention, as shown in figure 5,
Wherein, the structure type of drive mechanism can be various, for example, drive mechanism includes motor 10, fixing axle 12, the first tooth
Wheel 11 and the second gear 13 being meshed with first gear 11, fixing axle 12 are rotated and are located in 1 in fixed seat, second gear 13
It is fixedly installed in fixing axle 12, motor 10 is fixedly installed in fixed seat 1, first gear 11 is arranged on motor 10
Power output shaft on, turning arm 2 is fixedly connected with fixing axle 12.Start motor 10, motor 10 drives the first tooth
Wheel 11 is rotated, and first gear 11 drives second gear 13 to rotate, and second gear 13 drives fixing axle 12 and turning arm 2 to rotate, and enters
And cause that mechanical arm 3 is moved forward and backward.
On the basis of above-described embodiment, further, mechanical arm 3 includes the first sub- arm 31, the second sub- arm 32 and the
Two rotating mechanisms；First sub- arm 31 is rotated with the second sub- arm 32 and is connected；Second rotating mechanism is connected with the second sub- arm 32, for driving
Dynamic second sub- arm 32 is rotated relative to the first sub- arm 31, so that the second sub- arm 32 is moved left and right；Second rotating mechanism is used to be beaten with 3D
The control system electrical connection of print machine；First rotating mechanism is connected with the first sub- arm 31, for driving the first sub- arm 31 to rotate against
Arm 2 is rotated.
In the present embodiment, mechanical arm 3 is set to the first sub- arm 31 and the second sub- arm 32, drive mechanism is rotated arm 2
Rotation, the first rotating mechanism drives the first sub- arm 31 to rotate, and the second rotating mechanism drives the second sub- arm 32 to rotate, so that the
One sub- arm 31 and the second sub- arm 32 are moved left and right, and laser coupled is arranged on the second sub- arm 32 with excitation mechanism, so may be such that
Laser coupled is moved left and right with excitation mechanism.
In the present embodiment, used cooperatively while by the first sub- arm 31 and the second sub- arm 32, can move mechanical arm 3 or so
Dynamic scope is bigger so that laser coupled is wider with the position range that excitation mechanism is moved, and the size of the shaped component of manufacture is more
Greatly.
Wherein, can be rotated by connector 34 between the first sub- arm 31 and the second sub- arm 32 and connected.
On the basis of above-described embodiment, further, mechanical arm 3 also includes the 3rd sub- arm 33；The one of 3rd sub- arm 33
End is connected with one end of the second sub- arm 32；It is used to install the laser coupled and excitation mechanism of 3D printer on 3rd sub- arm 33.
In the present embodiment, laser coupled and excitation mechanism are arranged on the 3rd sub- arm 33, the sub- arm 32 of without prejudice to second
Rotate and mobile, it is easy to install and use.
On the basis of above-described embodiment, further, mechanical arm 3 also includes the 3rd rotating mechanism；3rd sub- arm 33
One end rotates with one end of the second sub- arm 32 and is connected；3rd rotating mechanism is connected with the 3rd sub- arm 33, for driving the 3rd sub- arm
33 rotate relative to the second sub- arm 32；3rd rotating mechanism is used to be electrically connected with the control system of 3D printer.
In the present embodiment, the 3rd sub- arm 33 is rotated with the second sub- arm 32 and is connected, when the 3rd sub- arm 33 is moved to predeterminated position
Afterwards, the 3rd sub- arm 33 can be rotated relative to the second sub- arm 32, the operating angle of adjustment laser coupled and excitation mechanism, namely to swashing
Optical coupling is finely adjusted with the position of excitation mechanism so that beam irradiation position is more accurate.
Wherein, the structure type of the 3rd rotating mechanism can be identical with the structure type of the first rotating mechanism.
On the basis of above-described embodiment, further, drive mechanism includes motor；Motor is arranged on fixation
On seat 1；Turning arm 2 is fixedly connected with the power output shaft of motor.
In the present embodiment, drive mechanism is set to motor, drives turning arm 2 to be relatively fixed seat by motor
1 rotates, simple structure.
Fig. 2 is that the partial structurtes of turning arm and mechanical arm in selective laser melting appartus provided in an embodiment of the present invention are illustrated
Figure；Fig. 3 is the structural representation of rotating shaft in selective laser melting appartus provided in an embodiment of the present invention；As shown in Figures 2 and 3,
On the basis of above-described embodiment, further, the first rotating mechanism includes rotary electric machine, rotating shaft 4, is fixedly installed on rotation electricity
Driving gear 5 on machine, the driven gear 6 being fixedly installed in rotating shaft 4；Rotating shaft 4 is rotated and is located in turning arm 2 away from fixed seat
1 one end, one end of mechanical arm 3 is fixedly connected with rotating shaft 4；Rotary electric machine is arranged on mechanical arm 3, driving gear 5 with it is driven
Gear 6 is engaged.
In the present embodiment, rotary electric machine drives driving gear 5 to rotate, and driving gear 5 drives driven gear 6 to rotate, driven
Gear 6 drives rotating shaft 4 and mechanical arm 3 to rotate against arm 2 and rotate, and simple structure is conveniently installed and used.
Fig. 4 is the structural representation of connecting cylinder in selective laser melting appartus provided in an embodiment of the present invention；Such as Fig. 3 and Tu
Shown in 4, on the basis of above-described embodiment, further, and on the outer wall of rotating shaft 4, along the circumference of rotating shaft 4, interval setting successively
There are multiple fixed lobes 7；One end of mechanical arm 3 is provided with connecting cylinder 8；On the inwall of connecting cylinder 8, along the circumference of connecting cylinder 8, according to
It is provided with multiple fixed grooves 9 minor tick；Multiple fixed grooves 9 correspond clamping and set with multiple fixed lobes 7.
In the present embodiment, by mechanical arm 3 and the company of fixation of rotating shaft 4 by way of fixed lobe 7 is engaged with fixed groove 9
Connect, simple structure, it is convenient to install.Meanwhile, multiple fixed lobes 7 coordinate with multiple fixed grooves 9 so that mechanical arm 3 and rotating shaft 4
The more firm stabilization of fixation.
Preferably, fixed groove 9 and fixed lobe 7 are respectively four, and four fixed lobes 7 are evenly spaced apart to be distributed in and turn
On the perisporium of axle 4, four fixed grooves 9 are evenly spaced apart to be distributed on the perisporium of connecting cylinder 8, four fixed lobes 7 respectively with
Four fixed grooves 9 correspond clamping, so that rotating shaft 4 and the stress equalization of connecting cylinder 8, and it is firm that both enhancings are connected
Property, meanwhile, rotating shaft 4 and the local pressure of connecting cylinder 8 can be avoided excessive impaired, the service life of extension rotating shaft 4 and connecting cylinder 8.
On the basis of above-described embodiment, further, one end of turning arm 2 is arranged at intervals with two stators 14；Often
The through hole for wearing rotating shaft 4 is provided with individual stator 14；Fixed lobe 7 and connecting cylinder 8 are respectively positioned between two stators 14.
In the present embodiment, rotating shaft 4 is located in two through holes of stator 14, and fixed lobe 7 and connecting cylinder 8 are located at two
Between stator 14, it is connected so as to rotating shaft 4 be rotated with turning arm 2, also causes the stress balance of rotating shaft 4.
Fig. 6 is the structural representation of rotating shaft and stator in selective laser melting appartus provided in an embodiment of the present invention, such as
Shown in Fig. 6, wherein, also including two copper sheathings 15, two copper sheathings 15 are set in rotating shaft 4, and two copper sheathings 15 are located at fixed lobe 7
Both sides, and between fixed lobe 7 and stator 14, the thickness of copper sheathing 15 is highly identical with fixed lobe 7, that is,
The thickness of copper sheathing 15 is equal to the radius of through hole on stator 14 with the radius sum of rotating shaft 4.
On the basis of above-described embodiment, further, the structure type phase of the second rotating mechanism and the first rotating mechanism
Together.
On the basis of above-described embodiment, further, the present invention also provides a kind of 3D printer, and 3D printer includes this
The selective laser melting appartus of 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 seat, drive mechanism, the first rotating mechanism, rotation
Arm and mechanical arm；
One end of the turning arm is rotated with the fixed seat and is connected, and the other end is rotated with one end of the mechanical arm and is connected；
The drive mechanism is connected with the turning arm, for driving the turning arm to be rotated relative to the fixed seat, so that institute
Mechanical arm is stated to move forward and backward；
First rotating mechanism is connected with the mechanical arm, for driving the mechanical arm to be rotated relative to the turning arm, with
Move left and right the mechanical arm；
The fixed seat is used to be fixed on the casing of 3D printer；It is used to install the laser coupling of 3D printer on the mechanical arm
Close and excitation mechanism；The drive mechanism is used to be electrically connected with the control system of 3D printer with first rotating mechanism.
2. selective laser melting appartus according to claim 1, it is characterised in that the mechanical arm include the first sub- arm,
Second sub- arm and the second rotating mechanism；
The first sub- arm is rotated with the described second sub- arm and is connected；Second rotating mechanism is connected with the described second sub- arm, uses
In driving the second sub- arm to be rotated relative to the described first sub- arm, so that the second sub- arm is moved left and right；Described second rotates
Mechanism is used to be electrically connected with the control system of 3D printer；
First rotating mechanism is connected with the described first sub- arm, for driving the relatively described turning arm of the described first sub- arm to turn
It is dynamic.
3. selective laser melting appartus according to claim 2, it is characterised in that the mechanical arm also includes the 3rd son
Arm；
One end of the 3rd sub- arm is connected with one end of the described second sub- arm；It is used to that 3D printer be installed on the 3rd sub- arm
Laser coupled and excitation mechanism.
4. selective laser melting appartus according to claim 3, it is characterised in that the mechanical arm also includes that the 3rd rotates
Mechanism；
One end of the 3rd sub- arm rotates with one end of the described second sub- arm and is connected；3rd rotating mechanism and the described 3rd
Sub- arm connection, for driving the 3rd sub- arm to be rotated relative to the described second sub- arm；
3rd rotating mechanism is used to be electrically connected with the control system of 3D printer.
5. selective laser melting appartus according to claim 1, it is characterised in that the drive mechanism includes driving electricity
Machine；
The motor is arranged in the fixed seat；The turning arm is fixed with the power output shaft of the motor and connected
Connect.
6. selective laser melting appartus according to claim 1, it is characterised in that first rotating mechanism includes rotating
Motor, rotating shaft, the driving gear being fixedly installed on the rotary electric machine, the driven gear being fixedly installed in the rotating shaft；
The axis of rotation is located in the one end of the turning arm away from the fixed seat, one end of the mechanical arm with described turn
Axle is fixedly connected；The rotary electric machine is arranged on the mechanical arm, and the driving gear is engaged with the driven gear.
7. selective laser melting appartus according to claim 6, it is characterised in that on the outer wall of the rotating shaft, along described
The circumference of rotating shaft, is sequentially arranged at intervals with multiple fixed lobes；One end of the mechanical arm is provided with connecting cylinder；The connecting cylinder
Inwall on, along the circumference of the connecting cylinder, multiple fixed grooves have been positioned apart from successively；Multiple fixed grooves with it is many
The individual fixed lobe corresponds clamping and sets.
8. selective laser melting appartus according to claim 7, it is characterised in that one end interval setting of the turning arm
There are two stators；The through hole for wearing the rotating shaft is provided with each described stator；The fixed lobe and the company
Cylinder is connect to be respectively positioned between two stators.
9. selective laser melting appartus according to claim 2, it is characterised in that second rotating mechanism and described
The structure type of one rotating mechanism is identical.
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 |
|---|---|---|---|
| CN201710237604.1A CN106825572A (en) | 2017-04-12 | 2017-04-12 | Selective laser melting appartus and 3D printer |
| PCT/CN2018/000093 WO2018188385A1 (en) | 2017-04-12 | 2018-03-06 | Laser selective melting device and 3d printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710237604.1A CN106825572A (en) | 2017-04-12 | 2017-04-12 | Selective laser melting appartus and 3D printer |
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| Publication Number | Publication Date |
|---|---|
| CN106825572A true CN106825572A (en) | 2017-06-13 |
Family
ID=59148152
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710237604.1A Pending CN106825572A (en) | 2017-04-12 | 2017-04-12 | Selective laser melting appartus and 3D printer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106825572A (en) |
| WO (1) | WO2018188385A1 (en) |
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| CN107521095A (en) * | 2017-09-30 | 2017-12-29 | 窦鹤鸿 | A kind of 3D printing process intelligent forging casting hammer and 3D printer |
| WO2018188385A1 (en) * | 2017-04-12 | 2018-10-18 | 窦鹤鸿 | Laser selective melting device and 3d printer |
| WO2019061929A1 (en) * | 2017-09-30 | 2019-04-04 | 窦鹤鸿 | Laser drive mechanism and 3d printer |
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Also Published As
| Publication number | Publication date |
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| WO2018188385A1 (en) | 2018-10-18 |
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