CN107008903B - Cuboid 3D printing equipment and 3D printer - Google Patents
Cuboid 3D printing equipment and 3D printer Download PDFInfo
- Publication number
- CN107008903B CN107008903B CN201710326693.7A CN201710326693A CN107008903B CN 107008903 B CN107008903 B CN 107008903B CN 201710326693 A CN201710326693 A CN 201710326693A CN 107008903 B CN107008903 B CN 107008903B
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- building
- cuboid
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Classifications
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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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/37—Process control of powder bed aspects, e.g. density
-
- 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
- B22F12/60—Planarisation devices; Compression devices
- B22F12/63—Rollers
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
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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
-
- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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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
- B22F12/222—Driving means for motion along a direction orthogonal to the plane of a layer
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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
- B22F12/30—Platforms or substrates
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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
Abstract
The present invention relates to selective lasers to melt metal 3D printing technique field, more particularly, to a kind of cuboid 3D printing equipment and 3D printer.Cuboid 3D printing equipment includes: building molding machine and powder supplies system；Power spreading device is used to the metal powder in dust feeder being laid on operation post in a manner of the powdering of compaction type；Flat powder part driving mechanism is connect with flat powder part, and for driving flat powder part to move back and forth above operation post, the metal powder on operation post is smoothed out；Flat powder part driving mechanism with the control system of 3D printer for being electrically connected.Metal powder is laid on operation post by power spreading device in a manner of compaction type, flat powder device smoothes out the metal powder on operation post, to improve the plain degree of the metal powder layer on operation post, the consistency and appearance finish of constituting parts can be effectively improved, the processing conditions of molding length >=3m large scale cuboid constituting parts is met.
Description
Technical field
The present invention relates to selective lasers to melt metal 3D printing technique field, more particularly, to a kind of cuboid 3D printing
Equipment and 3D printer.
Background technique
Increasing material manufacturing 3D printing technique be one kind based on digital model file (CAD), with powdery metal, PVC,
Resin, fiber and other material, by way of fusion sediment, laser sintered, laser fusing, laser curing, laser melting coating, by special
With software to CAD 3D configuration object, slice dimensionality reduction is carried out, then the constructing technology of the layer-by-layer printing objects of press piece, is manufacturing industry
In an emerging technology rapidly developing, be referred to as in Britain " economist " magazine " the third time industrial revolution " text
The one of the important signs that 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, by the metal powder layer laid in advance carry out selective melting and with matrix metallurgical bonding, then constantly successively
Powdering, scanning, fusing are finally completed the manufacturing process of 3-dimensional metal components, are current material increasing fields using more
A kind of metal 3D printing technique.The technology can manufacture the metal parts of complicated shape, and molded part mechanical property is good, precision is high,
99% or more part is made up to conventional metallurgical in consistency, equal in fields such as medical treatment, aerospace, military project, Construction of Nuclear Electricity, research and development of products
There is important application.
The powder supplies system of fusing 3D printer in selective laser in the prior art and building room and work-room are one
The box body design of bodyization, work surface side length either 150mm or 500mm are the design forms that is square, not in rectangular
The equipment form of shape design.Building interior is provided with piston and piston plate, and operation substrate is placed in activity on piston plate, works as piston plate
When operation substrate being pushed to be raised up to metal powder layer operation face thickness poor with work-room bottom, one is paved by powder feeder unit
The metal powder layer of operation face thickness forms work surface, then by the laser system being mounted at the top of 3D printer, by swashing
Metal powder layer on light vibration mirror reflected laser beam to current work face, and by control system to laser galvanometer deflection angle
Adjusting, current metal powder layer is melted by the form selective of current layer slice figure, to complete to constituting parts current layer
Processing operation.After completing the powder bed operation of current slice patterned metal, operation post declines the height of a default layer, powder
Supply system is laid with the metal powder of a default thickness degree to operation post again, then presses current layer slice map by laser system again
Shape form carries out selective melting, according to said method reprocessabilty, and be layering operation, finally obtains complete shaped component.
But metal powder bed in the prior art selective laser melting process 3D printer is due to the box body of integration
The design of square work surface is unable to satisfy and is fabricated greatly using the technology without the equipment form of large-scale cuboid work surface
The demand of size cuboid type component；And its used powder-supply system is all a single powder-laying roller or an independent powdering
Brush, under its working efficiency is very low in large scale work surface operation.And the metal powder bed that the prior art is manufactured swashs
Light selective melting technique 3D printer equipment is all residual powder to be sucked out by work-room, then rise building room piston plate then
Operation substrate and molded part are taken out, mechanized equipment design is single, and taking-up molded part method is single, does not also have molding length and is more than
The condition of >=600mm large scale cuboid-type constituting parts, this, which has become, restricts the large-scale cuboid of technology processing and manufacturing
The important technical barrier of type component.Also, metal powder paving is sent to operation post in powder-laying roller by 3D printer in the related technology
Afterwards, the plain degree of metal powder layer on operation post is lower.
Summary of the invention
The purpose of the present invention is to provide a kind of cuboid 3D printing equipment and 3D printers, to solve in the prior art
The lower technical problem of the plain degree of metal powder layer on existing operation post.
A kind of cuboid 3D printing equipment provided by the invention, the cuboid 3D printing equipment includes: to be built into
Type device and powder supplies system；The building molding machine includes operation post；The powder supplies system include power spreading device,
Dust feeder and flat powder device；The power spreading device is used for the metal powder in the dust feeder with the powdering of compaction type
Mode is laid on the operation post；The flat powder device includes flat powder part and flat powder part driving mechanism；The flat powder part drives
Motivation structure is connect with the flat powder part, for driving the flat powder part to move back and forth above the operation post, by the work
Metal powder on industry platform smoothes out；The flat powder part driving mechanism with the control system of 3D printer for being electrically connected.
Further, the flat powder device includes two collection powder cylinders；Two collection powder cylinders are oppositely disposed at the work
The both ends of industry platform；The flat powder part driving mechanism is for driving the flat powder part to move back and forth between two collection powder cylinders.
Further, the flat powder part driving mechanism includes flat powder motor, gear and the rack gear matched with gear；Institute
Gear is stated to be arranged on the power output shaft of the flat powder motor；The flat powder part is fixed on the rack gear；The flat powder electricity
Machine is used to drive the rack gear to move back and forth by the gear.
Further, the dust feeder includes powder feeding cylinder, receives powder cylinder, powder feeding piston and powder feeding piston plate；The work
Industry platform is rectangle；The powder feeding cylinder and the receipts powder cylinder first end and second end that be separately positioned on the operation post opposite；
Two collection powder cylinders are separately positioned on the opposite third end and the 4th end of the operation post；
The powder feeding piston plate is arranged in the powder feeding cylinder, and the powder feeding piston is connect with the powder feeding piston plate, uses
It is moved up and down in the driving powder feeding piston plate；For placing metal powder needed for operation on the powder feeding piston plate；The receipts
Powder cylinder is for storing the excessive powder after the power spreading device powdering.
Further, the first end and the second end are the long side of the operation post；The third end with it is described
4th end is the short side of the operation post.
Further, the building molding machine includes building room and building room piston；The operation post is arranged in institute
It is indoor to state building；The building room piston is connect with the operation post, for driving the operation post to move up and down；The building
Pickup mouth is provided on the outer wall of room；Pickup switch is provided at the pickup mouth；The pickup switch is used to open or closes
Close the pickup mouth.
Further, building room piston includes multiple lifters；Multiple lifters connect with the operation post
It connects, for driving the operation post to move up and down.
Further, the building molding machine includes that main platform and the 3D being mounted on above the main platform are beaten
Print machine operation room；
Installing port is provided on the main platform；The operation post is arranged at the installing port；The 3D printer
On work-room, positioned at the top of the installing port, it is provided with powder injection and residual powder suction outlet；The powder injection
Place is provided with the note powder switch for being used to open or closing the powder injection；It is arranged at the residual powder suction outlet useful
It is switched in the suction powder for turning on or off the residual powder suction outlet；
The building molding machine is mounted on the lower section of the main platform；The powder supplies system is mounted on the master
On body platform.
Further, the operation post includes the substrate from top to bottom set gradually and building room piston plate；The installation
Mouth, the substrate are rectangle with building room piston plate；The building room piston plate is connect with building room piston；
The length and width of the substrate is respectively less than the length and width of the building room piston plate；The length of the building room piston plate
It is identical as the length and width of the installing port with width.
Further, the present invention also provides a kind of 3D printer, the 3D printer includes control system and such as this hair
The bright cuboid 3D printing equipment；The flat powder part driving mechanism is electrically connected with the control system.
Cuboid 3D printing equipment provided by the invention, including building molding machine and powder supplies system, are built into
Type device includes operation post；Powder supplies system includes power spreading device, dust feeder and flat powder device；Flat powder device includes flat
Powder part and flat powder part driving mechanism.At work, the metal powder in dust feeder is laid on operation post by power spreading device
Afterwards, flat powder part driving mechanism drives flat powder part to move back and forth above operation post, and acts on the metal powder on operation post, with
Metal powder on operation post is smoothed out.
Cuboid 3D printing equipment provided by the invention, power spreading device carries out powdering in a manner of compaction type, that is, paving
Powder device rolls metal powder when metal powder to be laid on operation post, and by the way that flat powder device, flat powder is arranged
Device smoothes out the metal powder on operation post, to improve the plain degree of the metal powder layer on operation post, can effectively mention
The consistency and appearance finish of high constituting parts meet the processing item of molding length >=3m large scale cuboid constituting parts
Part.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of cuboid 3D printing provided in an embodiment of the present invention equipment；
Fig. 2 is that the structure of power spreading device and dust feeder is shown in cuboid 3D printing provided in an embodiment of the present invention equipment
It is intended to；
Fig. 3 is another structural schematic diagram of cuboid 3D printing provided in an embodiment of the present invention equipment；
Fig. 4 is the structural schematic diagram of main platform in cuboid 3D printing provided in an embodiment of the present invention equipment.
Appended drawing reference:
1- constructs molding machine；2- powder supplies system；3- main platform；4-3D printer work-room；5- residual powder
Suction outlet；6- powder injection；7- installing port；11- operation post；12- constructs room；13- constructs room piston；21- power spreading device；
22- dust feeder；The flat powder device of 23-；111- substrate；112- constructs room piston plate；131- lifter；211- powder-laying roller；221-
Powder feeding cylinder；222- receives powder cylinder；223- powder feeding piston plate；224- powder feeding piston；The flat powder part of 231-；232- collection powder cylinder；The flat powder of 233-
Part driving mechanism.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Fig. 1 is the structural schematic diagram of cuboid 3D printing provided in an embodiment of the present invention equipment；Fig. 2 is that the present invention is implemented
The structural schematic diagram of power spreading device and dust feeder in the cuboid 3D printing equipment that example provides；As depicted in figs. 1 and 2, originally
A kind of cuboid 3D printing equipment that inventive embodiments provide, cuboid 3D printing equipment include: building molding machine 1
With powder supplies system 2；Constructing molding machine 1 includes operation post 11；Powder supplies system 2 includes power spreading device 21, powder feeding dress
Set 22 and flat powder device 23；Power spreading device 21 is used to the metal powder in dust feeder 22 being laid on operation post with compaction type
On 11；Flat powder device 23 includes flat powder part 231 and flat powder part driving mechanism 233；Flat powder part driving mechanism 233 and flat powder part
231 connections smooth out the metal powder on operation post 11 for driving flat powder part 231 to move back and forth above operation post 11；
Flat powder part driving mechanism 233 with the control system of 3D printer for being electrically connected.
Wherein, the powdering mode of compaction type, which refers to, is pushing to the same of operation post 11 for the metal powder in dust feeder 22
When, apply downward active force, to metal powder to roll to the metal powder layer on operation post 11.
Cuboid 3D printing equipment provided in an embodiment of the present invention, including building molding machine 1 and powder supplies system
2, building molding machine 1 includes operation post 11；Powder supplies system 2 includes power spreading device 21, dust feeder 22 and flat powder dress
Set 23；Flat powder device 23 includes flat powder part 231 and flat powder part driving mechanism 233.At work, power spreading device 21 fills powder feeding
It sets after the metal powder in 22 is laid on operation post 11 with compaction type, flat powder part driving mechanism 233 drives flat powder part 231 making
It is moved back and forth above industry platform 11, and acts on the metal powder on operation post 11, the metal powder on operation post 11 is smoothed out.
Cuboid 3D printing equipment provided in an embodiment of the present invention, power spreading device 21 are spread in a manner of compaction type
Powder, that is, power spreading device 21 rolls metal powder when metal powder to be laid on operation post 11, and by setting
Horizontalization powder device 23, flat powder device 23 smooth out the metal powder on operation post 11, and the two is used cooperatively to improve operation
The plain degree of metal powder layer on platform 11 avoids the metal powder layer out-of-flatness on operation post 11, so that laser selects
Area's melting mechanism is more fine to the constituting parts formed after metal powder layer selective melting and standard, can effectively improve constituting parts
Consistency and appearance finish, meet molding length >=3m large scale cuboid constituting parts processing conditions.The present invention
The cuboid 3D printing equipment that embodiment provides is suitable for the operation post 11 of cuboid, can be used for forming the big ruler of length >=3m
Very little constituting parts solves 30 and in the past few years seriously restricts the global problem that the technology is worldwide promoted with applied.
The length of operation post 11 may be configured as 4m, and width may be configured as 300mm, and the length of plastic constituting parts is >=3m, and width≤
300mm, height≤500mm.
Wherein, flat powder part 231 can be flat powder plate, flat powder agglomates, or flat painting.Preferably, flat powder part 231 is flat
Painting, flat painting is uniformly applied on metal powder layer, best so as to the effect that smoothes out metal powder layer.
As shown in Figure 1, power spreading device 21 includes powder-laying roller 211 and powder-laying roller driving mechanism.Powder-laying roller driving mechanism and paving
Powder roller 211 connects, for driving powder-laying roller 211 to move back and forth above operation post 11, by the metal powder in dust feeder 22
End is laid on operation post 11 with compaction type.That is, powder-laying roller 211 is mobile to operation post 11, and by the gold in dust feeder 22
Belong to while powder pushes on operation post 11 and metal powder is rolled, so that metal powder is laid on work with compaction type
On industry platform 11.
As shown in Figure 1, on the basis of the above embodiments, further, flat powder device 23 includes two collection powder cylinders 232；
Two collection powder cylinders 232 are oppositely disposed at the both ends of operation post 11；Flat powder part driving mechanism 233 is for driving flat powder part 231 to exist
It is moved back and forth between two collection powder cylinders 232.
In the present embodiment, in the present embodiment, when the metal powder in dust feeder 22 is laid on operation by power spreading device 21
After 11 preset height of platform, flat powder part driving mechanism 233 drives flat powder part 231 to move back and forth between two collection powder cylinders 232, flat powder
Part 231 smoothes out the metal powder on operation post 11, and extra metal powder is mobile with flat powder part 231, eventually falls into collection powder cylinder
It is collected in 232.That is, extra metal powder falls into position when flat powder part 231 is mobile to the other end from one end of operation post 11
In collection powder cylinder 232 at the other end.When flat powder part 231 is mobile to the end from the other end, extra metal powder falls into position
In collection powder cylinder 232 at the end.
In the present embodiment, a collection powder cylinder 232 is respectively set at the opposite both ends of operation post 11, can sufficiently receive flat powder
The metal powder extra when working of part 231, avoids metal powder from falling into outside.
On the basis of the above embodiments, further, flat powder part driving mechanism 233 include flat powder motor, gear and
The rack gear matched with gear；Gear is arranged on the power output shaft of flat powder motor；Flat powder part 231 is fixed on rack gear；It is flat
Powder motor by gear band carry-over bar for being moved back and forth.
In the present embodiment, flat powder motor, gear and rack gear are set by flat powder part driving mechanism 233.Flat powder driving motor
Band moving gear is positive and negative and inverts, and gear band carry-over bar forward direction is mobile and moves backward, so that flat powder part 231 be driven to move back and forth.
Structure is simple, facilitates operation.
As shown in Fig. 2, on the basis of the above embodiments, further, dust feeder 22 includes powder feeding cylinder 221, receives powder
Cylinder 222, powder feeding piston 224 and powder feeding piston plate 223；Operation post 11 is rectangle；Powder feeding cylinder 221 and receipts powder cylinder 222 are distinguished
The opposite first end and second end of operation post 11 is set；Two collection powder cylinders 232 are separately positioned on the opposite third of operation post 11
End and the 4th end；Powder feeding piston plate 223 is arranged in powder feeding cylinder 221, and powder feeding piston 224 is connect with powder feeding piston plate 223, is used for
Driving powder feeding piston plate 223 moves up and down；For placing metal powder needed for operation on powder feeding piston plate 223；Powder cylinder 222 is received to use
Excessive powder after storing 21 powdering of power spreading device.
In the present embodiment, the metal powder in powder feeding cylinder 221 is pushed to operation post 11 by the powder-laying roller 211 of power spreading device 21
On, so that metal powder is laid on operation post 11, extra powder is pushed to receive in powder cylinder 222 and be carried out on powder-laying roller 211
It collects.Powder feeding piston 224 drives powder feeding piston plate 223 to move up, and powder-laying roller 211 continues the metal powder in powder feeding cylinder 221
End is laid on operation post 11.After the metal powder layer on operation post 11 reaches preset height, flat powder part driving mechanism 233 is driven
The flat movement of powder part 231 is moved, flat powder part 231 smoothes out the metal powder layer on operation post 11.Then selective laser melting mechanism into
Row selective melting.
In the present embodiment, powder feeding cylinder 221 and receipts powder cylinder 222 are separately positioned on to the first end and second end of operation post 11,
Two collection powder cylinders 232 are separately positioned on the third end and the 4th end of operation post 11, compact-sized, reduce the space occupied.
As shown in Figure 1, on the basis of the above embodiments, further, first end and second end are operation post 11
Long side；Third end and the 4th end are the short side of operation post 11.
In the present embodiment, rectangle is set by operation post 11, and powder feeding cylinder 221 and receipts powder powder are located at operation post 11
Long edge position, two collection powder cylinders 232 are located at the short side of operation post 11.The powder-laying roller 211 of power spreading device 21 is in first end
It is moved back and forth between second end, the distance of movement is the width of operation post 11, that is, reducing the movement of powder-laying roller 211
Distance improves powdering efficiency.
Fig. 3 is another structural schematic diagram of cuboid 3D printing provided in an embodiment of the present invention equipment；Such as Fig. 1 and Fig. 3
Shown, on the basis of the above embodiments, further, building molding machine 1 includes building room 12 and building room piston 13；
The setting of operation post 11 is in building room 12；Building room piston 13 is connect with operation post 11, for driving operation post 11 to move up and down；
It constructs and is provided with pickup mouth on the outer wall of room 12；Pickup switch is provided at pickup mouth；Pickup switch is used to open or closes
Pickup mouth.
In the present embodiment, after operation post 11 is laid with one layer of metal powder layer, selective laser melting mechanism is to operation post 11
On metal powder layer carry out selective melting, then, building room piston 13 drive operation post 11 move down preset height.Paving
The powder-laying roller 211 of powder device 21 continues the metal powder layer after being laid with the height to operation post 11, selective laser melting mechanism pair
Metal powder layer on operation post 11 carries out selective melting, is recycled with this, ultimately forms constituting parts.Then, user opens
The pickup switch on 12 outer wall of room is constructed, so that pickup mouth is opened.Constituting parts is taken out from pickup mouth finally, completes work.
In the present embodiment, building room 12 outer wall on be arranged pickup mouth and pickup switch, user can by constituting parts from
The pickup mouth of building room 12 directly takes out, and makees with then being taken out in the prior art from top by rise building room piston plate 112
For industry substrate 111 compared with the direction of constituting parts, the removing method of the present embodiment is simple, and it is convenient to operate.Especially in the body of constituting parts
When product is larger, the method taken out from top is difficult to realize, and the method for the present embodiment then can easily take out large volume of composition
Part meets the job requirements of large-size components, has molding length >=3m large scale constituting parts condition.
Wherein, pickup switch can be pickup door.Pickup door is rotatably connected at pickup mouth.User can be taken by rotation
Part goalkeeper's pickup mouth turns on or off.Handle can be also set on pickup door, and user holds handle and rotates pickup door, convenient
User puts forth effort pickup door.
As shown in figure 3, on the basis of the above embodiments, further, building room piston 13 includes multiple lifters
131；Multiple lifters 131 are connect with operation post 11, for driving operation post 11 to move up and down.
In the present embodiment, drives operation post 11 to move up and down simultaneously by multiple lifters 131, the shifting of operation post 11 can be improved
Stability when dynamic.
Preferably, multiple lifters 131 are successively evenly spaced apart to be arranged along the circumferential direction of operation post 11, can make operation post in this way
11 uniform forces further increase the stability when movement of operation post 11.
Lifter 131 can be hydraulic cylinder or cylinder etc..
Fig. 4 is the structural schematic diagram of main platform in cuboid 3D printing provided in an embodiment of the present invention equipment, such as Fig. 1
To shown in Fig. 4, on the basis of the above embodiments, further, building molding machine 1 includes main platform 3 and is mounted on
The 3D printer work-room 4 of 3 top of main platform；Installing port 7 is provided on main platform 3；Operation post 11 is arranged in installing port 7
Place；On 3D printer work-room 4, positioned at the top of installing port 7, it is provided with powder injection 6 and residual powder suction outlet 5；Powder
The note powder switch for being used to open or closing powder injection 6 is provided at last inlet 6；It is arranged at residual powder suction outlet 5
There is the suction powder switch for turning on or off residual powder suction outlet 5；Building molding machine 1 is mounted under main platform 3
Side；Powder supplies system 2 is mounted on main platform 3.
In the present embodiment, main platform 3 is fixed on the ground, and powder supplies system 2 is mounted on main platform 3, building
Molding machine 1 is mounted on the lower section of main platform 3, and 3D printer work-room 4 is mounted on the top of main platform 3.3D printer
Powder injection 6 and note powder switch are set on the outer wall of work-room 4.User opens powder injection 6 by note powder switch,
Then metal powder is injected into powder feeding cylinder 221 by powder injection 6, powdering cylinder is again by the metal powder in powder feeding cylinder 221
It is laid on operation post 11.
In the present embodiment, the setting of main platform 3 greatly improves the size scale of 3D printer, so that 3D printer
Shaped component size greatly improves, and meets molding length >=3m large scale cuboid-type constituting parts processing conditions.
As shown in Figures 2 and 3, on the basis of the above embodiments, further, operation post 11 includes from top to bottom successively
The substrate 111 and building room piston plate 112 of setting；Installing port 7, substrate 111 and building room piston plate 112 are rectangle；Structure
Room piston plate 112 is built to connect with building room piston 13；The length and width of substrate 111 is respectively less than the length for constructing room piston plate 112
Degree and width；The length and width for constructing room piston plate 112 is identical as the length and width of installing port 7.
In the present embodiment, the size of substrate 111 is less than building room piston plate 112, and the size of building room piston plate 112 is equal to
The size of installing port 7, after the metal powder in powder feeding cylinder 221 is laid on substrate 111 by powder-laying roller 211, due to substrate 111
Size is less than building room piston plate 112, and extra metal powder can slide downwards on building room piston plate 112, design in this way
Beneficial effect be: form safety work together between 3 installing port 7 of 111 area of maximum operation face both substrate and main platform
Metallurgical connection occurs for band, shaped component and main platform 3 after can avoid metal powder selective melting.
On the basis of the above embodiments, further, the embodiment of the present invention also provides a kind of 3D printer, 3D printer
It is equipped including control system and cuboid 3D printing as described in the present invention；Flat powder part driving mechanism 233 and control system
Electrical connection.The working principle of 3D printing equipment is same as above, and details are not described herein.
Wherein, the selective melting mechanism of 3D printer is located at the top of operation post 11.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (7)
1. a kind of cuboid 3D printing equipment characterized by comprising building molding machine and powder supplies system；
The building molding machine includes operation post；The powder supplies system includes power spreading device, dust feeder and flat powder
Device；The power spreading device is used to the metal powder in the dust feeder being laid on the work in a manner of the powdering of compaction type
On industry platform；
The flat powder device includes flat powder part and flat powder part driving mechanism；The flat powder part driving mechanism and the flat powder part connect
It connects, for driving the flat powder part to move back and forth above the operation post, the metal powder on the operation post is smoothed out；
The flat powder part driving mechanism with the control system of 3D printer for being electrically connected；
The building molding machine includes building room and building room piston；
The operation post setting is indoor in the building；The building room piston is connect with the operation post, described for driving
Operation post moves up and down；Pickup mouth is provided on the outer wall of the building room；Pickup switch is provided at the pickup mouth；It is described
Pickup switch is used to open or closes the pickup mouth；
The building molding machine includes main platform and the 3D printer work-room being mounted on above the main platform；
Installing port is provided on the main platform；The operation post is arranged at the installing port；The 3D printer operation
On room, positioned at the top of the installing port, it is provided with powder injection and residual powder suction outlet；It is set at the powder injection
It is equipped with the note powder switch for being used to open or closing the powder injection；It is provided at the residual powder suction outlet for beating
On or off closes the suction powder switch of the residual powder suction outlet；
The building molding machine is mounted on the lower section of the main platform；It is flat that the powder supplies system is mounted on the main body
On platform；
The operation post includes the substrate from top to bottom set gradually and building room piston plate；
The installing port, the substrate and building room piston plate are rectangle；The building room piston plate and the structure
Build the connection of room piston；The length and width of the substrate is respectively less than the length and width of the building room piston plate；The building
The length and width of room piston plate is identical as the length and width of the installing port.
2. cuboid 3D printing equipment according to claim 1, which is characterized in that the flat powder device includes two collection
Powder cylinder；
Two collection powder cylinders are oppositely disposed at the both ends of the operation post；The flat powder part driving mechanism is described for driving
Flat powder part moves back and forth between two collection powder cylinders.
3. cuboid 3D printing according to claim 1 equipment, which is characterized in that the flat powder part driving mechanism includes
Flat powder motor, gear and the rack gear matched with gear；
The gear is arranged on the power output shaft of the flat powder motor；The flat powder part is fixed on the rack gear；It is described
Flat powder motor is used to drive the rack gear to move back and forth by the gear.
4. cuboid 3D printing equipment according to claim 2, which is characterized in that the dust feeder includes powder feeding
Cylinder receives powder cylinder, powder feeding piston and powder feeding piston plate；
The operation post is rectangle；The powder feeding cylinder and the receipts powder cylinder first end that be separately positioned on the operation post opposite
And second end；Two collection powder cylinders are separately positioned on the opposite third end and the 4th end of the operation post；
The powder feeding piston plate is arranged in the powder feeding cylinder, and the powder feeding piston is connect with the powder feeding piston plate, for driving
The powder feeding piston plate is moved to move up and down；For placing metal powder needed for operation on the powder feeding piston plate；The receipts powder cylinder
For storing the excessive powder after the power spreading device powdering.
5. cuboid 3D printing equipment according to claim 4, which is characterized in that
The first end and the second end are the long side of the operation post；The third end and the 4th end are described
The short side of operation post.
6. cuboid 3D printing equipment according to claim 1, which is characterized in that building room piston includes multiple
Lifter；
Multiple lifters are connect with the operation post, for driving the operation post to move up and down.
7. a kind of 3D printer, which is characterized in that including control system and cuboid as claimed in any one of claims 1 to 6
Shape 3D printing equipment；
The flat powder part driving mechanism is electrically connected with the control system.
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| CN201710326693.7A CN107008903B (en) | 2017-05-10 | 2017-05-10 | Cuboid 3D printing equipment and 3D printer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710326693.7A CN107008903B (en) | 2017-05-10 | 2017-05-10 | Cuboid 3D printing equipment and 3D printer |
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| CN107008903B true CN107008903B (en) | 2019-11-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107891147B (en) * | 2017-12-14 | 2024-02-20 | 苏州倍丰智能科技有限公司 | Spreading member, continuous spreading mechanism and continuous powder deposition printing equipment |
| EP3552803A1 (en) * | 2018-04-13 | 2019-10-16 | CL Schutzrechtsverwaltungs GmbH | Method for additively manufacturing at least one three-dimensional object |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1939706A (en) * | 2005-09-30 | 2007-04-04 | 3D系统公司 | Rapid prototyping and manufacturing system and method |
| CN106475562A (en) * | 2016-11-22 | 2017-03-08 | 上海航天精密机械研究所 | A kind of double scraper power spreading device of increasing material manufacturing attritive powder and its method |
| CN206677188U (en) * | 2017-05-10 | 2017-11-28 | 窦鹤鸿 | Cuboid 3D printing equipment and 3D printer |
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2017
- 2017-05-10 CN CN201710326693.7A patent/CN107008903B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1939706A (en) * | 2005-09-30 | 2007-04-04 | 3D系统公司 | Rapid prototyping and manufacturing system and method |
| CN106475562A (en) * | 2016-11-22 | 2017-03-08 | 上海航天精密机械研究所 | A kind of double scraper power spreading device of increasing material manufacturing attritive powder and its method |
| CN206677188U (en) * | 2017-05-10 | 2017-11-28 | 窦鹤鸿 | Cuboid 3D printing equipment and 3D printer |
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